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Convert old tests to use unittest

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This commit is contained in:
hugovk 2014-06-10 12:10:47 +03:00
parent c66f332679
commit 3ec505958e
97 changed files with 5162 additions and 4341 deletions
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20
Tests/test_000_sanity.py
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@ -1,18 +1,22 @@
from __future__ import print_function
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
import PIL
import PIL.Image
class TestSanity(PillowTestCase):
def test_sanity(self):
# Make sure we have the binary extension
im = PIL.Image.core.new("L", (100, 100))
assert PIL.Image.VERSION[:3] == '1.1'
self.assertEqual(PIL.Image.VERSION[:3], '1.1')
# Create an image and do stuff with it.
im = PIL.Image.new("1", (100, 100))
assert (im.mode, im.size) == ('1', (100, 100))
assert len(im.tobytes()) == 1300
self.assertEqual((im.mode, im.size), ('1', (100, 100)))
self.assertEqual(len(im.tobytes()), 1300)
# Create images in all remaining major modes.
im = PIL.Image.new("L", (100, 100))
@ -21,4 +25,8 @@ im = PIL.Image.new("RGB", (100, 100))
im = PIL.Image.new("I", (100, 100))
im = PIL.Image.new("F", (100, 100))
print("ok")
if __name__ == '__main__':
unittest.main()
# End of file

40
Tests/test_bmp_reference.py
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@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
import os
@ -6,32 +6,35 @@ import os
base = os.path.join('Tests', 'images', 'bmp')
def get_files(d, ext='.bmp'):
class TestBmpReference(PillowTestCase):
def get_files(self, d, ext='.bmp'):
return [os.path.join(base, d, f) for f
in os.listdir(os.path.join(base, d)) if ext in f]
def test_bad():
""" These shouldn't crash/dos, but they shouldn't return anything either """
for f in get_files('b'):
def test_bad(self):
""" These shouldn't crash/dos, but they shouldn't return anything
either """
for f in self.get_files('b'):
try:
im = Image.open(f)
im.load()
except Exception as msg:
except Exception: # as msg:
pass
# print ("Bad Image %s: %s" %(f,msg))
def test_questionable():
""" These shouldn't crash/dos, but its not well defined that these are in spec """
for f in get_files('q'):
def test_questionable(self):
""" These shouldn't crash/dos, but its not well defined that these
are in spec """
for f in self.get_files('q'):
try:
im = Image.open(f)
im.load()
except Exception as msg:
except Exception: # as msg:
pass
# print ("Bad Image %s: %s" %(f,msg))
def test_good():
def test_good(self):
""" These should all work. There's a set of target files in the
html directory that we can compare against. """
@ -61,7 +64,7 @@ def test_good():
(name, ext) = os.path.splitext(name)
return os.path.join(base, 'html', "%s.png" % name)
for f in get_files('g'):
for f in self.get_files('g'):
try:
im = Image.open(f)
im.load()
@ -73,8 +76,7 @@ def test_good():
# be differently ordered for an equivalent image.
im = im.convert('RGBA')
compare = im.convert('RGBA')
assert_image_similar(im, compare,5)
self.assert_image_similar(im, compare, 5)
except Exception as msg:
# there are three here that are unsupported:
@ -82,5 +84,11 @@ def test_good():
os.path.join(base, 'g', 'pal8rle.bmp'),
os.path.join(base, 'g', 'pal4rle.bmp'))
if f not in unsupported:
assert_true(False, "Unsupported Image %s: %s" %(f,msg))
self.assertTrue(
False, "Unsupported Image %s: %s" % (f, msg))
if __name__ == '__main__':
unittest.main()
# End of file

137
Tests/test_cffi.py
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@ -1,69 +1,99 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
try:
import cffi
from PIL import PyAccess
except:
skip()
# Skip in setUp()
pass
from PIL import Image, PyAccess
import test_image_putpixel as put
import test_image_getpixel as get
from PIL import Image
from test_image_putpixel import TestImagePutPixel
from test_image_getpixel import TestImageGetPixel
Image.USE_CFFI_ACCESS = True
def test_put():
put.test_sanity()
def test_get():
get.test_basic()
get.test_signedness()
class TestCffiPutPixel(TestImagePutPixel):
def _test_get_access(im):
def setUp(self):
try:
import cffi
except:
self.skipTest("No cffi")
def test_put(self):
self.test_sanity()
class TestCffiGetPixel(TestImageGetPixel):
def setUp(self):
try:
import cffi
except:
self.skipTest("No cffi")
def test_get(self):
self.test_basic()
self.test_signedness()
class TestCffi(PillowTestCase):
def setUp(self):
try:
import cffi
except:
self.skipTest("No cffi")
def _test_get_access(self, im):
""" Do we get the same thing as the old pixel access """
""" Using private interfaces, forcing a capi access and a pyaccess for the same image """
""" Using private interfaces, forcing a capi access and
a pyaccess for the same image """
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
w, h = im.size
for x in range(0, w, 10):
for y in range(0, h, 10):
assert_equal(access[(x,y)], caccess[(x,y)])
self.assertEqual(access[(x, y)], caccess[(x, y)])
def test_get_vs_c():
_test_get_access(lena('RGB'))
_test_get_access(lena('RGBA'))
_test_get_access(lena('L'))
_test_get_access(lena('LA'))
_test_get_access(lena('1'))
_test_get_access(lena('P'))
#_test_get_access(lena('PA')) # PA -- how do I make a PA image???
_test_get_access(lena('F'))
def test_get_vs_c(self):
rgb = lena('RGB')
rgb.load()
self._test_get_access(rgb)
self._test_get_access(lena('RGBA'))
self._test_get_access(lena('L'))
self._test_get_access(lena('LA'))
self._test_get_access(lena('1'))
self._test_get_access(lena('P'))
# self._test_get_access(lena('PA')) # PA -- how do I make a PA image?
self._test_get_access(lena('F'))
im = Image.new('I;16', (10, 10), 40000)
_test_get_access(im)
self._test_get_access(im)
im = Image.new('I;16L', (10, 10), 40000)
_test_get_access(im)
self._test_get_access(im)
im = Image.new('I;16B', (10, 10), 40000)
_test_get_access(im)
self._test_get_access(im)
im = Image.new('I', (10, 10), 40000)
_test_get_access(im)
self._test_get_access(im)
# These don't actually appear to be modes that I can actually make,
# as unpack sets them directly into the I mode.
# im = Image.new('I;32L', (10, 10), -2**10)
#_test_get_access(im)
# self._test_get_access(im)
# im = Image.new('I;32B', (10, 10), 2**10)
#_test_get_access(im)
# self._test_get_access(im)
def _test_set_access(im, color):
def _test_set_access(self, im, color):
""" Are we writing the correct bits into the image? """
""" Using private interfaces, forcing a capi access and a pyaccess for the same image """
""" Using private interfaces, forcing a capi access and
a pyaccess for the same image """
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
@ -71,29 +101,36 @@ def _test_set_access(im, color):
for x in range(0, w, 10):
for y in range(0, h, 10):
access[(x, y)] = color
assert_equal(color, caccess[(x,y)])
self.assertEqual(color, caccess[(x, y)])
def test_set_vs_c():
_test_set_access(lena('RGB'), (255, 128,0) )
_test_set_access(lena('RGBA'), (255, 192, 128, 0))
_test_set_access(lena('L'), 128)
_test_set_access(lena('LA'), (128,128))
_test_set_access(lena('1'), 255)
_test_set_access(lena('P') , 128)
##_test_set_access(i, (128,128)) #PA -- undone how to make
_test_set_access(lena('F'), 1024.0)
def test_set_vs_c(self):
rgb = lena('RGB')
rgb.load()
self._test_set_access(rgb, (255, 128, 0))
self._test_set_access(lena('RGBA'), (255, 192, 128, 0))
self._test_set_access(lena('L'), 128)
self._test_set_access(lena('LA'), (128, 128))
self._test_set_access(lena('1'), 255)
self._test_set_access(lena('P'), 128)
# self._test_set_access(i, (128, 128)) #PA -- undone how to make
self._test_set_access(lena('F'), 1024.0)
im = Image.new('I;16', (10, 10), 40000)
_test_set_access(im, 45000)
self._test_set_access(im, 45000)
im = Image.new('I;16L', (10, 10), 40000)
_test_set_access(im, 45000)
self._test_set_access(im, 45000)
im = Image.new('I;16B', (10, 10), 40000)
_test_set_access(im, 45000)
self._test_set_access(im, 45000)
im = Image.new('I', (10, 10), 40000)
_test_set_access(im, 45000)
self._test_set_access(im, 45000)
# im = Image.new('I;32L', (10, 10), -(2**10))
# _test_set_access(im, -(2**13)+1)
# self._test_set_access(im, -(2**13)+1)
# im = Image.new('I;32B', (10, 10), 2**10)
#_test_set_access(im, 2**13-1)
# self._test_set_access(im, 2**13-1)
if __name__ == '__main__':
unittest.main()
# End of file

42
Tests/test_file_bmp.py
View File

@ -1,30 +1,31 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
import io
def roundtrip(im):
outfile = tempfile("temp.bmp")
class TestFileBmp(PillowTestCase):
def roundtrip(self, im):
outfile = self.tempfile("temp.bmp")
im.save(outfile, 'BMP')
reloaded = Image.open(outfile)
reloaded.load()
assert_equal(im.mode, reloaded.mode)
assert_equal(im.size, reloaded.size)
assert_equal(reloaded.format, "BMP")
self.assertEqual(im.mode, reloaded.mode)
self.assertEqual(im.size, reloaded.size)
self.assertEqual(reloaded.format, "BMP")
def test_sanity(self):
self.roundtrip(lena())
def test_sanity():
roundtrip(lena())
self.roundtrip(lena("1"))
self.roundtrip(lena("L"))
self.roundtrip(lena("P"))
self.roundtrip(lena("RGB"))
roundtrip(lena("1"))
roundtrip(lena("L"))
roundtrip(lena("P"))
roundtrip(lena("RGB"))
def test_save_to_bytes():
def test_save_to_bytes(self):
output = io.BytesIO()
im = lena()
im.save(output, "BMP")
@ -32,7 +33,12 @@ def test_save_to_bytes():
output.seek(0)
reloaded = Image.open(output)
assert_equal(im.mode, reloaded.mode)
assert_equal(im.size, reloaded.size)
assert_equal(reloaded.format, "BMP")
self.assertEqual(im.mode, reloaded.mode)
self.assertEqual(im.size, reloaded.size)
self.assertEqual(reloaded.format, "BMP")
if __name__ == '__main__':
unittest.main()
# End of file

87
Tests/test_file_eps.py
View File

@ -1,11 +1,8 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image, EpsImagePlugin
import io
if not EpsImagePlugin.has_ghostscript():
skip()
# Our two EPS test files (they are identical except for their bounding boxes)
file1 = "Tests/images/zero_bb.eps"
file2 = "Tests/images/non_zero_bb.eps"
@ -20,91 +17,93 @@ file2_compare_scale2 = "Tests/images/non_zero_bb_scale2.png"
# EPS test files with binary preview
file3 = "Tests/images/binary_preview_map.eps"
def test_sanity():
class TestFileEps(PillowTestCase):
def setUp(self):
if not EpsImagePlugin.has_ghostscript():
self.skipTest("Ghostscript not available")
def test_sanity(self):
# Regular scale
image1 = Image.open(file1)
image1.load()
assert_equal(image1.mode, "RGB")
assert_equal(image1.size, (460, 352))
assert_equal(image1.format, "EPS")
self.assertEqual(image1.mode, "RGB")
self.assertEqual(image1.size, (460, 352))
self.assertEqual(image1.format, "EPS")
image2 = Image.open(file2)
image2.load()
assert_equal(image2.mode, "RGB")
assert_equal(image2.size, (360, 252))
assert_equal(image2.format, "EPS")
self.assertEqual(image2.mode, "RGB")
self.assertEqual(image2.size, (360, 252))
self.assertEqual(image2.format, "EPS")
# Double scale
image1_scale2 = Image.open(file1)
image1_scale2.load(scale=2)
assert_equal(image1_scale2.mode, "RGB")
assert_equal(image1_scale2.size, (920, 704))
assert_equal(image1_scale2.format, "EPS")
self.assertEqual(image1_scale2.mode, "RGB")
self.assertEqual(image1_scale2.size, (920, 704))
self.assertEqual(image1_scale2.format, "EPS")
image2_scale2 = Image.open(file2)
image2_scale2.load(scale=2)
assert_equal(image2_scale2.mode, "RGB")
assert_equal(image2_scale2.size, (720, 504))
assert_equal(image2_scale2.format, "EPS")
self.assertEqual(image2_scale2.mode, "RGB")
self.assertEqual(image2_scale2.size, (720, 504))
self.assertEqual(image2_scale2.format, "EPS")
def test_file_object():
def test_file_object(self):
# issue 479
image1 = Image.open(file1)
with open(tempfile('temp_file.eps'), 'wb') as fh:
with open(self.tempfile('temp_file.eps'), 'wb') as fh:
image1.save(fh, 'EPS')
def test_iobase_object():
def test_iobase_object(self):
# issue 479
image1 = Image.open(file1)
with io.open(tempfile('temp_iobase.eps'), 'wb') as fh:
with io.open(self.tempfile('temp_iobase.eps'), 'wb') as fh:
image1.save(fh, 'EPS')
def test_render_scale1():
def test_render_scale1(self):
# We need png support for these render test
codecs = dir(Image.core)
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
skip("zip/deflate support not available")
self.skipTest("zip/deflate support not available")
# Zero bounding box
image1_scale1 = Image.open(file1)
image1_scale1.load()
image1_scale1_compare = Image.open(file1_compare).convert("RGB")
image1_scale1_compare.load()
assert_image_similar(image1_scale1, image1_scale1_compare, 5)
self.assert_image_similar(image1_scale1, image1_scale1_compare, 5)
# Non-Zero bounding box
image2_scale1 = Image.open(file2)
image2_scale1.load()
image2_scale1_compare = Image.open(file2_compare).convert("RGB")
image2_scale1_compare.load()
assert_image_similar(image2_scale1, image2_scale1_compare, 10)
self.assert_image_similar(image2_scale1, image2_scale1_compare, 10)
def test_render_scale2():
def test_render_scale2(self):
# We need png support for these render test
codecs = dir(Image.core)
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
skip("zip/deflate support not available")
self.skipTest("zip/deflate support not available")
# Zero bounding box
image1_scale2 = Image.open(file1)
image1_scale2.load(scale=2)
image1_scale2_compare = Image.open(file1_compare_scale2).convert("RGB")
image1_scale2_compare.load()
assert_image_similar(image1_scale2, image1_scale2_compare, 5)
self.assert_image_similar(image1_scale2, image1_scale2_compare, 5)
# Non-Zero bounding box
image2_scale2 = Image.open(file2)
image2_scale2.load(scale=2)
image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB")
image2_scale2_compare.load()
assert_image_similar(image2_scale2, image2_scale2_compare, 10)
self.assert_image_similar(image2_scale2, image2_scale2_compare, 10)
def test_resize():
def test_resize(self):
# Arrange
image1 = Image.open(file1)
image2 = Image.open(file2)
@ -115,11 +114,10 @@ def test_resize():
image2 = image2.resize(new_size)
# Assert
assert_equal(image1.size, new_size)
assert_equal(image2.size, new_size)
self.assertEqual(image1.size, new_size)
self.assertEqual(image2.size, new_size)
def test_thumbnail():
def test_thumbnail(self):
# Issue #619
# Arrange
image1 = Image.open(file1)
@ -131,12 +129,15 @@ def test_thumbnail():
image2.thumbnail(new_size)
# Assert
assert_equal(max(image1.size), max(new_size))
assert_equal(max(image2.size), max(new_size))
self.assertEqual(max(image1.size), max(new_size))
self.assertEqual(max(image2.size), max(new_size))
def test_read_binary_preview():
def test_read_binary_preview(self):
# Issue 302
# open image with binary preview
image1 = Image.open(file3)
Image.open(file3)
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_file_fli.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -6,9 +6,18 @@ from PIL import Image
file = "Images/lena.fli"
data = open(file, "rb").read()
def test_sanity():
class TestFileFli(PillowTestCase):
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "P")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "FLI")
self.assertEqual(im.mode, "P")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "FLI")
if __name__ == '__main__':
unittest.main()
# End of file

61
Tests/test_file_gif.py
View File

@ -1,53 +1,58 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
codecs = dir(Image.core)
if "gif_encoder" not in codecs or "gif_decoder" not in codecs:
skip("gif support not available") # can this happen?
# sample gif stream
file = "Images/lena.gif"
with open(file, "rb") as f:
data = f.read()
def test_sanity():
class TestFileGif(PillowTestCase):
def setUp(self):
if "gif_encoder" not in codecs or "gif_decoder" not in codecs:
self.skipTest("gif support not available") # can this happen?
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "P")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "GIF")
self.assertEqual(im.mode, "P")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "GIF")
def test_optimize(self):
from io import BytesIO
def test_optimize():
def test(optimize):
im = Image.new("L", (1, 1), 0)
file = BytesIO()
im.save(file, "GIF", optimize=optimize)
return len(file.getvalue())
assert_equal(test(0), 800)
assert_equal(test(1), 38)
self.assertEqual(test(0), 800)
self.assertEqual(test(1), 38)
def test_roundtrip():
out = tempfile('temp.gif')
def test_roundtrip(self):
out = self.tempfile('temp.gif')
im = lena()
im.save(out)
reread = Image.open(out)
assert_image_similar(reread.convert('RGB'), im, 50)
self.assert_image_similar(reread.convert('RGB'), im, 50)
def test_roundtrip2():
def test_roundtrip2(self):
# see https://github.com/python-pillow/Pillow/issues/403
out = tempfile('temp.gif')
out = self.tempfile('temp.gif')
im = Image.open('Images/lena.gif')
im2 = im.copy()
im2.save(out)
reread = Image.open(out)
assert_image_similar(reread.convert('RGB'), lena(), 50)
self.assert_image_similar(reread.convert('RGB'), lena(), 50)
def test_palette_handling():
def test_palette_handling(self):
# see https://github.com/python-pillow/Pillow/issues/513
im = Image.open('Images/lena.gif')
@ -56,18 +61,18 @@ def test_palette_handling():
im = im.resize((100, 100), Image.ANTIALIAS)
im2 = im.convert('P', palette=Image.ADAPTIVE, colors=256)
f = tempfile('temp.gif')
f = self.tempfile('temp.gif')
im2.save(f, optimize=True)
reloaded = Image.open(f)
assert_image_similar(im, reloaded.convert('RGB'), 10)
self.assert_image_similar(im, reloaded.convert('RGB'), 10)
def test_palette_434():
def test_palette_434(self):
# see https://github.com/python-pillow/Pillow/issues/434
def roundtrip(im, *args, **kwargs):
out = tempfile('temp.gif')
out = self.tempfile('temp.gif')
im.save(out, *args, **kwargs)
reloaded = Image.open(out)
@ -76,12 +81,16 @@ def test_palette_434():
orig = "Tests/images/test.colors.gif"
im = Image.open(orig)
assert_image_equal(*roundtrip(im))
assert_image_equal(*roundtrip(im, optimize=True))
self.assert_image_equal(*roundtrip(im))
self.assert_image_equal(*roundtrip(im, optimize=True))
im = im.convert("RGB")
# check automatic P conversion
reloaded = roundtrip(im)[1].convert('RGB')
assert_image_equal(im, reloaded)
self.assert_image_equal(im, reloaded)
if __name__ == '__main__':
unittest.main()
# End of file

36
Tests/test_file_icns.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -8,16 +8,19 @@ data = open(file, "rb").read()
enable_jpeg2k = hasattr(Image.core, 'jp2klib_version')
def test_sanity():
class TestFileIcns(PillowTestCase):
def test_sanity(self):
# Loading this icon by default should result in the largest size
# (512x512@2x) being loaded
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGBA")
assert_equal(im.size, (1024, 1024))
assert_equal(im.format, "ICNS")
self.assertEqual(im.mode, "RGBA")
self.assertEqual(im.size, (1024, 1024))
self.assertEqual(im.format, "ICNS")
def test_sizes():
def test_sizes(self):
# Check that we can load all of the sizes, and that the final pixel
# dimensions are as expected
im = Image.open(file)
@ -27,10 +30,10 @@ def test_sizes():
im2 = Image.open(file)
im2.size = (w, h, r)
im2.load()
assert_equal(im2.mode, 'RGBA')
assert_equal(im2.size, (wr, hr))
self.assertEqual(im2.mode, 'RGBA')
self.assertEqual(im2.size, (wr, hr))
def test_older_icon():
def test_older_icon(self):
# This icon was made with Icon Composer rather than iconutil; it still
# uses PNG rather than JP2, however (since it was made on 10.9).
im = Image.open('Tests/images/pillow2.icns')
@ -40,10 +43,10 @@ def test_older_icon():
im2 = Image.open('Tests/images/pillow2.icns')
im2.size = (w, h, r)
im2.load()
assert_equal(im2.mode, 'RGBA')
assert_equal(im2.size, (wr, hr))
self.assertEqual(im2.mode, 'RGBA')
self.assertEqual(im2.size, (wr, hr))
def test_jp2_icon():
def test_jp2_icon(self):
# This icon was made by using Uli Kusterer's oldiconutil to replace
# the PNG images with JPEG 2000 ones. The advantage of doing this is
# that OS X 10.5 supports JPEG 2000 but not PNG; some commercial
@ -61,6 +64,11 @@ def test_jp2_icon():
im2 = Image.open('Tests/images/pillow3.icns')
im2.size = (w, h, r)
im2.load()
assert_equal(im2.mode, 'RGBA')
assert_equal(im2.size, (wr, hr))
self.assertEqual(im2.mode, 'RGBA')
self.assertEqual(im2.size, (wr, hr))
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_file_ico.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -6,9 +6,18 @@ from PIL import Image
file = "Images/lena.ico"
data = open(file, "rb").read()
def test_sanity():
class TestFileIco(PillowTestCase):
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGBA")
assert_equal(im.size, (16, 16))
assert_equal(im.format, "ICO")
self.assertEqual(im.mode, "RGBA")
self.assertEqual(im.size, (16, 16))
self.assertEqual(im.format, "ICO")
if __name__ == '__main__':
unittest.main()
# End of file

243
Tests/test_file_jpeg.py
View File

@ -1,19 +1,23 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, py3
import random
from io import BytesIO
from PIL import Image
from PIL import ImageFile
codecs = dir(Image.core)
if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
skip("jpeg support not available")
test_file = "Images/lena.jpg"
def roundtrip(im, **options):
class TestFileJpeg(PillowTestCase):
def setUp(self):
if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
self.skipTest("jpeg support not available")
def roundtrip(self, im, **options):
out = BytesIO()
im.save(out, "JPEG", **options)
bytes = out.tell()
@ -22,81 +26,78 @@ def roundtrip(im, **options):
im.bytes = bytes # for testing only
return im
# --------------------------------------------------------------------
def test_sanity():
def test_sanity(self):
# internal version number
assert_match(Image.core.jpeglib_version, "\d+\.\d+$")
self.assertRegexpMatches(Image.core.jpeglib_version, "\d+\.\d+$")
im = Image.open(test_file)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "JPEG")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "JPEG")
# --------------------------------------------------------------------
def test_app():
def test_app(self):
# Test APP/COM reader (@PIL135)
im = Image.open(test_file)
assert_equal(im.applist[0],
self.assertEqual(
im.applist[0],
("APP0", b"JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00"))
assert_equal(im.applist[1], ("COM", b"Python Imaging Library"))
assert_equal(len(im.applist), 2)
self.assertEqual(im.applist[1], ("COM", b"Python Imaging Library"))
self.assertEqual(len(im.applist), 2)
def test_cmyk():
def test_cmyk(self):
# Test CMYK handling. Thanks to Tim and Charlie for test data,
# Michael for getting me to look one more time.
f = "Tests/images/pil_sample_cmyk.jpg"
im = Image.open(f)
# the source image has red pixels in the upper left corner.
c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))]
assert_true(c == 0.0 and m > 0.8 and y > 0.8 and k == 0.0)
self.assertEqual(c, 0.0)
self.assertGreater(m, 0.8)
self.assertGreater(y, 0.8)
self.assertEqual(k, 0.0)
# the opposite corner is black
c, m, y, k = [x / 255.0 for x in im.getpixel((im.size[0]-1, im.size[1]-1))]
assert_true(k > 0.9)
self.assertGreater(k, 0.9)
# roundtrip, and check again
im = roundtrip(im)
im = self.roundtrip(im)
c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))]
assert_true(c == 0.0 and m > 0.8 and y > 0.8 and k == 0.0)
self.assertEqual(c, 0.0)
self.assertGreater(m, 0.8)
self.assertGreater(y, 0.8)
self.assertEqual(k, 0.0)
c, m, y, k = [x / 255.0 for x in im.getpixel((im.size[0]-1, im.size[1]-1))]
assert_true(k > 0.9)
self.assertGreater(k, 0.9)
def test_dpi():
def test_dpi(self):
def test(xdpi, ydpi=None):
im = Image.open(test_file)
im = roundtrip(im, dpi=(xdpi, ydpi or xdpi))
im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi))
return im.info.get("dpi")
assert_equal(test(72), (72, 72))
assert_equal(test(300), (300, 300))
assert_equal(test(100, 200), (100, 200))
assert_equal(test(0), None) # square pixels
self.assertEqual(test(72), (72, 72))
self.assertEqual(test(300), (300, 300))
self.assertEqual(test(100, 200), (100, 200))
self.assertEqual(test(0), None) # square pixels
def test_icc():
def test_icc(self):
# Test ICC support
im1 = Image.open("Tests/images/rgb.jpg")
icc_profile = im1.info["icc_profile"]
assert_equal(len(icc_profile), 3144)
self.assertEqual(len(icc_profile), 3144)
# Roundtrip via physical file.
f = tempfile("temp.jpg")
f = self.tempfile("temp.jpg")
im1.save(f, icc_profile=icc_profile)
im2 = Image.open(f)
assert_equal(im2.info.get("icc_profile"), icc_profile)
self.assertEqual(im2.info.get("icc_profile"), icc_profile)
# Roundtrip via memory buffer.
im1 = roundtrip(lena())
im2 = roundtrip(lena(), icc_profile=icc_profile)
assert_image_equal(im1, im2)
assert_false(im1.info.get("icc_profile"))
assert_true(im2.info.get("icc_profile"))
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), icc_profile=icc_profile)
self.assert_image_equal(im1, im2)
self.assertFalse(im1.info.get("icc_profile"))
self.assertTrue(im2.info.get("icc_profile"))
def test_icc_big():
def test_icc_big(self):
# Make sure that the "extra" support handles large blocks
def test(n):
# The ICC APP marker can store 65519 bytes per marker, so
@ -104,8 +105,8 @@ def test_icc_big():
# order issues.
icc_profile = (b"Test"*int(n/4+1))[:n]
assert len(icc_profile) == n # sanity
im1 = roundtrip(lena(), icc_profile=icc_profile)
assert_equal(im1.info.get("icc_profile"), icc_profile or None)
im1 = self.roundtrip(lena(), icc_profile=icc_profile)
self.assertEqual(im1.info.get("icc_profile"), icc_profile or None)
test(0)
test(1)
test(3)
@ -117,38 +118,33 @@ def test_icc_big():
test(ImageFile.MAXBLOCK+1) # full buffer block plus one byte
test(ImageFile.MAXBLOCK*4+3) # large block
def test_optimize(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), optimize=1)
self.assert_image_equal(im1, im2)
self.assertGreaterEqual(im1.bytes, im2.bytes)
def test_optimize():
im1 = roundtrip(lena())
im2 = roundtrip(lena(), optimize=1)
assert_image_equal(im1, im2)
assert_true(im1.bytes >= im2.bytes)
def test_optimize_large_buffer():
def test_optimize_large_buffer(self):
# https://github.com/python-pillow/Pillow/issues/148
f = tempfile('temp.jpg')
f = self.tempfile('temp.jpg')
# this requires ~ 1.5x Image.MAXBLOCK
im = Image.new("RGB", (4096, 4096), 0xff3333)
im.save(f, format="JPEG", optimize=True)
def test_progressive(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), progressive=True)
self.assert_image_equal(im1, im2)
self.assertGreaterEqual(im1.bytes, im2.bytes)
def test_progressive():
im1 = roundtrip(lena())
im2 = roundtrip(lena(), progressive=True)
assert_image_equal(im1, im2)
assert_true(im1.bytes >= im2.bytes)
def test_progressive_large_buffer():
f = tempfile('temp.jpg')
def test_progressive_large_buffer(self):
f = self.tempfile('temp.jpg')
# this requires ~ 1.5x Image.MAXBLOCK
im = Image.new("RGB", (4096, 4096), 0xff3333)
im.save(f, format="JPEG", progressive=True)
def test_progressive_large_buffer_highest_quality():
f = tempfile('temp.jpg')
def test_progressive_large_buffer_highest_quality(self):
f = self.tempfile('temp.jpg')
if py3:
a = bytes(random.randint(0, 255) for _ in range(256 * 256 * 3))
else:
@ -157,82 +153,79 @@ def test_progressive_large_buffer_highest_quality():
# this requires more bytes than pixels in the image
im.save(f, format="JPEG", progressive=True, quality=100)
def test_large_exif():
def test_large_exif(self):
# https://github.com/python-pillow/Pillow/issues/148
f = tempfile('temp.jpg')
f = self.tempfile('temp.jpg')
im = lena()
im.save(f, 'JPEG', quality=90, exif=b"1"*65532)
def test_progressive_compat(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), progressive=1)
im3 = self.roundtrip(lena(), progression=1) # compatibility
self.assert_image_equal(im1, im2)
self.assert_image_equal(im1, im3)
self.assertFalse(im1.info.get("progressive"))
self.assertFalse(im1.info.get("progression"))
self.assertTrue(im2.info.get("progressive"))
self.assertTrue(im2.info.get("progression"))
self.assertTrue(im3.info.get("progressive"))
self.assertTrue(im3.info.get("progression"))
def test_progressive_compat():
im1 = roundtrip(lena())
im2 = roundtrip(lena(), progressive=1)
im3 = roundtrip(lena(), progression=1) # compatibility
assert_image_equal(im1, im2)
assert_image_equal(im1, im3)
assert_false(im1.info.get("progressive"))
assert_false(im1.info.get("progression"))
assert_true(im2.info.get("progressive"))
assert_true(im2.info.get("progression"))
assert_true(im3.info.get("progressive"))
assert_true(im3.info.get("progression"))
def test_quality(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), quality=50)
self.assert_image(im1, im2.mode, im2.size)
self.assertGreaterEqual(im1.bytes, im2.bytes)
def test_smooth(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), smooth=100)
self.assert_image(im1, im2.mode, im2.size)
def test_quality():
im1 = roundtrip(lena())
im2 = roundtrip(lena(), quality=50)
assert_image(im1, im2.mode, im2.size)
assert_true(im1.bytes >= im2.bytes)
def test_smooth():
im1 = roundtrip(lena())
im2 = roundtrip(lena(), smooth=100)
assert_image(im1, im2.mode, im2.size)
def test_subsampling():
def test_subsampling(self):
def getsampling(im):
layer = im.layer
return layer[0][1:3] + layer[1][1:3] + layer[2][1:3]
# experimental API
im = roundtrip(lena(), subsampling=-1) # default
assert_equal(getsampling(im), (2, 2, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling=0) # 4:4:4
assert_equal(getsampling(im), (1, 1, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling=1) # 4:2:2
assert_equal(getsampling(im), (2, 1, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling=2) # 4:1:1
assert_equal(getsampling(im), (2, 2, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling=3) # default (undefined)
assert_equal(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=-1) # default
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=0) # 4:4:4
self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=1) # 4:2:2
self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=2) # 4:1:1
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=3) # default (undefined)
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling="4:4:4")
assert_equal(getsampling(im), (1, 1, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling="4:2:2")
assert_equal(getsampling(im), (2, 1, 1, 1, 1, 1))
im = roundtrip(lena(), subsampling="4:1:1")
assert_equal(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:4:4")
self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:2:2")
self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:1:1")
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
assert_exception(TypeError, lambda: roundtrip(lena(), subsampling="1:1:1"))
self.assertRaises(
TypeError, lambda: self.roundtrip(lena(), subsampling="1:1:1"))
def test_exif():
def test_exif(self):
im = Image.open("Tests/images/pil_sample_rgb.jpg")
info = im._getexif()
assert_equal(info[305], 'Adobe Photoshop CS Macintosh')
self.assertEqual(info[305], 'Adobe Photoshop CS Macintosh')
def test_quality_keep():
def test_quality_keep(self):
im = Image.open("Images/lena.jpg")
f = tempfile('temp.jpg')
assert_no_exception(lambda: im.save(f, quality='keep'))
f = self.tempfile('temp.jpg')
im.save(f, quality='keep')
def test_junk_jpeg_header():
def test_junk_jpeg_header(self):
# https://github.com/python-pillow/Pillow/issues/630
filename = "Tests/images/junk_jpeg_header.jpg"
assert_no_exception(lambda: Image.open(filename))
Image.open(filename)
if __name__ == '__main__':
unittest.main()
# End of file

112
Tests/test_file_jpeg2k.py
View File

@ -1,21 +1,25 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageFile
from io import BytesIO
codecs = dir(Image.core)
if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs:
skip('JPEG 2000 support not available')
# OpenJPEG 2.0.0 outputs this debugging message sometimes; we should
# ignore it---it doesn't represent a test failure.
ignore('Not enough memory to handle tile data')
test_card = Image.open('Tests/images/test-card.png')
test_card.load()
def roundtrip(im, **options):
# OpenJPEG 2.0.0 outputs this debugging message sometimes; we should
# ignore it---it doesn't represent a test failure.
# 'Not enough memory to handle tile data'
class TestFileJpeg2k(PillowTestCase):
def setUp(self):
if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs:
self.skipTest('JPEG 2000 support not available')
def roundtrip(self, im, **options):
out = BytesIO()
im.save(out, "JPEG2000", **options)
bytes = out.tell()
@ -25,74 +29,68 @@ def roundtrip(im, **options):
im.load()
return im
# ----------------------------------------------------------------------
def test_sanity():
def test_sanity(self):
# Internal version number
assert_match(Image.core.jp2klib_version, '\d+\.\d+\.\d+$')
self.assertRegexpMatches(Image.core.jp2klib_version, '\d+\.\d+\.\d+$')
im = Image.open('Tests/images/test-card-lossless.jp2')
im.load()
assert_equal(im.mode, 'RGB')
assert_equal(im.size, (640, 480))
assert_equal(im.format, 'JPEG2000')
# ----------------------------------------------------------------------
self.assertEqual(im.mode, 'RGB')
self.assertEqual(im.size, (640, 480))
self.assertEqual(im.format, 'JPEG2000')
# These two test pre-written JPEG 2000 files that were not written with
# PIL (they were made using Adobe Photoshop)
def test_lossless():
def test_lossless(self):
im = Image.open('Tests/images/test-card-lossless.jp2')
im.load()
im.save('/tmp/test-card.png')
assert_image_similar(im, test_card, 1.0e-3)
self.assert_image_similar(im, test_card, 1.0e-3)
def test_lossy_tiled():
def test_lossy_tiled(self):
im = Image.open('Tests/images/test-card-lossy-tiled.jp2')
im.load()
assert_image_similar(im, test_card, 2.0)
self.assert_image_similar(im, test_card, 2.0)
# ----------------------------------------------------------------------
def test_lossless_rt(self):
im = self.roundtrip(test_card)
self.assert_image_equal(im, test_card)
def test_lossless_rt():
im = roundtrip(test_card)
assert_image_equal(im, test_card)
def test_lossy_rt(self):
im = self.roundtrip(test_card, quality_layers=[20])
self.assert_image_similar(im, test_card, 2.0)
def test_lossy_rt():
im = roundtrip(test_card, quality_layers=[20])
assert_image_similar(im, test_card, 2.0)
def test_tiled_rt(self):
im = self.roundtrip(test_card, tile_size=(128, 128))
self.assert_image_equal(im, test_card)
def test_tiled_rt():
im = roundtrip(test_card, tile_size=(128, 128))
assert_image_equal(im, test_card)
def test_tiled_offset_rt(self):
im = self.roundtrip(
test_card, tile_size=(128, 128),
tile_offset=(0, 0), offset=(32, 32))
self.assert_image_equal(im, test_card)
def test_tiled_offset_rt():
im = roundtrip(test_card, tile_size=(128, 128), tile_offset=(0, 0),
offset=(32, 32))
assert_image_equal(im, test_card)
def test_irreversible_rt(self):
im = self.roundtrip(test_card, irreversible=True, quality_layers=[20])
self.assert_image_similar(im, test_card, 2.0)
def test_irreversible_rt():
im = roundtrip(test_card, irreversible=True, quality_layers=[20])
assert_image_similar(im, test_card, 2.0)
def test_prog_qual_rt(self):
im = self.roundtrip(
test_card, quality_layers=[60, 40, 20], progression='LRCP')
self.assert_image_similar(im, test_card, 2.0)
def test_prog_qual_rt():
im = roundtrip(test_card, quality_layers=[60, 40, 20], progression='LRCP')
assert_image_similar(im, test_card, 2.0)
def test_prog_res_rt(self):
im = self.roundtrip(test_card, num_resolutions=8, progression='RLCP')
self.assert_image_equal(im, test_card)
def test_prog_res_rt():
im = roundtrip(test_card, num_resolutions=8, progression='RLCP')
assert_image_equal(im, test_card)
# ----------------------------------------------------------------------
def test_reduce():
def test_reduce(self):
im = Image.open('Tests/images/test-card-lossless.jp2')
im.reduce = 2
im.load()
assert_equal(im.size, (160, 120))
self.assertEqual(im.size, (160, 120))
def test_layers():
def test_layers(self):
out = BytesIO()
test_card.save(out, 'JPEG2000', quality_layers=[100, 50, 10],
progression='LRCP')
@ -101,10 +99,16 @@ def test_layers():
im = Image.open(out)
im.layers = 1
im.load()
assert_image_similar(im, test_card, 13)
self.assert_image_similar(im, test_card, 13)
out.seek(0)
im = Image.open(out)
im.layers = 3
im.load()
assert_image_similar(im, test_card, 0.4)
self.assert_image_similar(im, test_card, 0.4)
if __name__ == '__main__':
unittest.main()
# End of file

226
Tests/test_file_libtiff.py
View File

@ -1,57 +1,62 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, py3
import os
from PIL import Image, TiffImagePlugin
class TestFileLibTiff(PillowTestCase):
def setUp(self):
codecs = dir(Image.core)
if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs:
skip("tiff support not available")
self.skipTest("tiff support not available")
def _assert_noerr(im):
def _assert_noerr(self, im):
"""Helper tests that assert basic sanity about the g4 tiff reading"""
# 1 bit
assert_equal(im.mode, "1")
self.assertEqual(im.mode, "1")
# Does the data actually load
assert_no_exception(lambda: im.load())
assert_no_exception(lambda: im.getdata())
im.load()
im.getdata()
try:
assert_equal(im._compression, 'group4')
self.assertEqual(im._compression, 'group4')
except:
print("No _compression")
print (dir(im))
# can we write it back out, in a different form.
out = tempfile("temp.png")
assert_no_exception(lambda: im.save(out))
out = self.tempfile("temp.png")
im.save(out)
def test_g4_tiff():
def test_g4_tiff(self):
"""Test the ordinary file path load path"""
file = "Tests/images/lena_g4_500.tif"
im = Image.open(file)
assert_equal(im.size, (500,500))
_assert_noerr(im)
self.assertEqual(im.size, (500, 500))
self._assert_noerr(im)
def test_g4_large():
def test_g4_large(self):
file = "Tests/images/pport_g4.tif"
im = Image.open(file)
_assert_noerr(im)
self._assert_noerr(im)
def test_g4_tiff_file():
def test_g4_tiff_file(self):
"""Testing the string load path"""
file = "Tests/images/lena_g4_500.tif"
with open(file, 'rb') as f:
im = Image.open(f)
assert_equal(im.size, (500,500))
_assert_noerr(im)
self.assertEqual(im.size, (500, 500))
self._assert_noerr(im)
def test_g4_tiff_bytesio():
def test_g4_tiff_bytesio(self):
"""Testing the stringio loading code path"""
from io import BytesIO
file = "Tests/images/lena_g4_500.tif"
@ -61,57 +66,58 @@ def test_g4_tiff_bytesio():
s.seek(0)
im = Image.open(s)
assert_equal(im.size, (500,500))
_assert_noerr(im)
self.assertEqual(im.size, (500, 500))
self._assert_noerr(im)
def test_g4_eq_png():
def test_g4_eq_png(self):
""" Checking that we're actually getting the data that we expect"""
png = Image.open('Tests/images/lena_bw_500.png')
g4 = Image.open('Tests/images/lena_g4_500.tif')
assert_image_equal(g4, png)
self.assert_image_equal(g4, png)
# see https://github.com/python-pillow/Pillow/issues/279
def test_g4_fillorder_eq_png():
def test_g4_fillorder_eq_png(self):
""" Checking that we're actually getting the data that we expect"""
png = Image.open('Tests/images/g4-fillorder-test.png')
g4 = Image.open('Tests/images/g4-fillorder-test.tif')
assert_image_equal(g4, png)
self.assert_image_equal(g4, png)
def test_g4_write():
def test_g4_write(self):
"""Checking to see that the saved image is the same as what we wrote"""
file = "Tests/images/lena_g4_500.tif"
orig = Image.open(file)
out = tempfile("temp.tif")
out = self.tempfile("temp.tif")
rot = orig.transpose(Image.ROTATE_90)
assert_equal(rot.size,(500,500))
self.assertEqual(rot.size, (500, 500))
rot.save(out)
reread = Image.open(out)
assert_equal(reread.size,(500,500))
_assert_noerr(reread)
assert_image_equal(reread, rot)
assert_equal(reread.info['compression'], 'group4')
self.assertEqual(reread.size, (500, 500))
self._assert_noerr(reread)
self.assert_image_equal(reread, rot)
self.assertEqual(reread.info['compression'], 'group4')
assert_equal(reread.info['compression'], orig.info['compression'])
self.assertEqual(reread.info['compression'], orig.info['compression'])
assert_false(orig.tobytes() == reread.tobytes())
self.assertNotEqual(orig.tobytes(), reread.tobytes())
def test_adobe_deflate_tiff():
def test_adobe_deflate_tiff(self):
file = "Tests/images/tiff_adobe_deflate.tif"
im = Image.open(file)
assert_equal(im.mode, "RGB")
assert_equal(im.size, (278, 374))
assert_equal(im.tile[0][:3], ('tiff_adobe_deflate', (0, 0, 278, 374), 0))
assert_no_exception(lambda: im.load())
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (278, 374))
self.assertEqual(
im.tile[0][:3], ('tiff_adobe_deflate', (0, 0, 278, 374), 0))
im.load()
def test_write_metadata():
def test_write_metadata(self):
""" Test metadata writing through libtiff """
img = Image.open('Tests/images/lena_g4.tif')
f = tempfile('temp.tiff')
f = self.tempfile('temp.tiff')
img.save(f, tiffinfo=img.tag)
@ -120,100 +126,106 @@ def test_write_metadata():
original = img.tag.named()
reloaded = loaded.tag.named()
# PhotometricInterpretation is set from SAVE_INFO, not the original image.
ignored = ['StripByteCounts', 'RowsPerStrip', 'PageNumber', 'PhotometricInterpretation']
# PhotometricInterpretation is set from SAVE_INFO,
# not the original image.
ignored = [
'StripByteCounts', 'RowsPerStrip',
'PageNumber', 'PhotometricInterpretation']
for tag, value in reloaded.items():
if tag not in ignored:
if tag.endswith('Resolution'):
val = original[tag]
assert_almost_equal(val[0][0]/val[0][1], value[0][0]/value[0][1],
self.assert_almost_equal(
val[0][0]/val[0][1], value[0][0]/value[0][1],
msg="%s didn't roundtrip" % tag)
else:
assert_equal(original[tag], value, "%s didn't roundtrip" % tag)
self.assertEqual(
original[tag], value, "%s didn't roundtrip" % tag)
for tag, value in original.items():
if tag not in ignored:
if tag.endswith('Resolution'):
val = reloaded[tag]
assert_almost_equal(val[0][0]/val[0][1], value[0][0]/value[0][1],
self.assert_almost_equal(
val[0][0]/val[0][1], value[0][0]/value[0][1],
msg="%s didn't roundtrip" % tag)
else:
assert_equal(value, reloaded[tag], "%s didn't roundtrip" % tag)
self.assertEqual(
value, reloaded[tag], "%s didn't roundtrip" % tag)
def test_g3_compression():
def test_g3_compression(self):
i = Image.open('Tests/images/lena_g4_500.tif')
out = tempfile("temp.tif")
out = self.tempfile("temp.tif")
i.save(out, compression='group3')
reread = Image.open(out)
assert_equal(reread.info['compression'], 'group3')
assert_image_equal(reread, i)
self.assertEqual(reread.info['compression'], 'group3')
self.assert_image_equal(reread, i)
def test_little_endian():
def test_little_endian(self):
im = Image.open('Tests/images/16bit.deflate.tif')
assert_equal(im.getpixel((0,0)), 480)
assert_equal(im.mode, 'I;16')
self.assertEqual(im.getpixel((0, 0)), 480)
self.assertEqual(im.mode, 'I;16')
b = im.tobytes()
# Bytes are in image native order (little endian)
if py3:
assert_equal(b[0], ord(b'\xe0'))
assert_equal(b[1], ord(b'\x01'))
self.assertEqual(b[0], ord(b'\xe0'))
self.assertEqual(b[1], ord(b'\x01'))
else:
assert_equal(b[0], b'\xe0')
assert_equal(b[1], b'\x01')
self.assertEqual(b[0], b'\xe0')
self.assertEqual(b[1], b'\x01')
out = tempfile("temp.tif")
out = self.tempfile("temp.tif")
# out = "temp.le.tif"
im.save(out)
reread = Image.open(out)
assert_equal(reread.info['compression'], im.info['compression'])
assert_equal(reread.getpixel((0,0)), 480)
self.assertEqual(reread.info['compression'], im.info['compression'])
self.assertEqual(reread.getpixel((0, 0)), 480)
# UNDONE - libtiff defaults to writing in native endian, so
# on big endian, we'll get back mode = 'I;16B' here.
def test_big_endian():
def test_big_endian(self):
im = Image.open('Tests/images/16bit.MM.deflate.tif')
assert_equal(im.getpixel((0,0)), 480)
assert_equal(im.mode, 'I;16B')
self.assertEqual(im.getpixel((0, 0)), 480)
self.assertEqual(im.mode, 'I;16B')
b = im.tobytes()
# Bytes are in image native order (big endian)
if py3:
assert_equal(b[0], ord(b'\x01'))
assert_equal(b[1], ord(b'\xe0'))
self.assertEqual(b[0], ord(b'\x01'))
self.assertEqual(b[1], ord(b'\xe0'))
else:
assert_equal(b[0], b'\x01')
assert_equal(b[1], b'\xe0')
self.assertEqual(b[0], b'\x01')
self.assertEqual(b[1], b'\xe0')
out = tempfile("temp.tif")
out = self.tempfile("temp.tif")
im.save(out)
reread = Image.open(out)
assert_equal(reread.info['compression'], im.info['compression'])
assert_equal(reread.getpixel((0,0)), 480)
self.assertEqual(reread.info['compression'], im.info['compression'])
self.assertEqual(reread.getpixel((0, 0)), 480)
def test_g4_string_info():
def test_g4_string_info(self):
"""Tests String data in info directory"""
file = "Tests/images/lena_g4_500.tif"
orig = Image.open(file)
out = tempfile("temp.tif")
out = self.tempfile("temp.tif")
orig.tag[269] = 'temp.tif'
orig.save(out)
reread = Image.open(out)
assert_equal('temp.tif', reread.tag[269])
self.assertEqual('temp.tif', reread.tag[269])
def test_12bit_rawmode():
""" Are we generating the same interpretation of the image as Imagemagick is? """
def test_12bit_rawmode(self):
""" Are we generating the same interpretation
of the image as Imagemagick is? """
TiffImagePlugin.READ_LIBTIFF = True
# Image.DEBUG = True
im = Image.open('Tests/images/12bit.cropped.tif')
@ -236,12 +248,13 @@ def test_12bit_rawmode():
print (im2.getpixel((0, 1)))
print (im2.getpixel((0, 2)))
assert_image_equal(im, im2)
self.assert_image_equal(im, im2)
def test_blur():
# test case from irc, how to do blur on b/w image and save to compressed tif.
def test_blur(self):
# test case from irc, how to do blur on b/w image
# and save to compressed tif.
from PIL import ImageFilter
out = tempfile('temp.tif')
out = self.tempfile('temp.tif')
im = Image.open('Tests/images/pport_g4.tif')
im = im.convert('L')
@ -251,50 +264,55 @@ def test_blur():
im2 = Image.open(out)
im2.load()
assert_image_equal(im, im2)
self.assert_image_equal(im, im2)
def test_compressions():
def test_compressions(self):
im = lena('RGB')
out = tempfile('temp.tif')
out = self.tempfile('temp.tif')
for compression in ('packbits', 'tiff_lzw'):
im.save(out, compression=compression)
im2 = Image.open(out)
assert_image_equal(im, im2)
self.assert_image_equal(im, im2)
im.save(out, compression='jpeg')
im2 = Image.open(out)
assert_image_similar(im, im2, 30)
self.assert_image_similar(im, im2, 30)
def test_cmyk_save():
def test_cmyk_save(self):
im = lena('CMYK')
out = tempfile('temp.tif')
out = self.tempfile('temp.tif')
im.save(out, compression='tiff_adobe_deflate')
im2 = Image.open(out)
assert_image_equal(im, im2)
self.assert_image_equal(im, im2)
def xtest_bw_compression_wRGB():
""" This test passes, but when running all tests causes a failure due to
output on stderr from the error thrown by libtiff. We need to capture that
but not now"""
def xtest_bw_compression_wRGB(self):
""" This test passes, but when running all tests causes a failure due
to output on stderr from the error thrown by libtiff. We need to
capture that but not now"""
im = lena('RGB')
out = tempfile('temp.tif')
out = self.tempfile('temp.tif')
assert_exception(IOError, lambda: im.save(out, compression='tiff_ccitt'))
assert_exception(IOError, lambda: im.save(out, compression='group3'))
assert_exception(IOError, lambda: im.save(out, compression='group4'))
self.assertRaises(
IOError, lambda: im.save(out, compression='tiff_ccitt'))
self.assertRaises(IOError, lambda: im.save(out, compression='group3'))
self.assertRaises(IOError, lambda: im.save(out, compression='group4'))
def test_fp_leak():
def test_fp_leak(self):
im = Image.open("Tests/images/lena_g4_500.tif")
fn = im.fp.fileno()
assert_no_exception(lambda: os.fstat(fn))
os.fstat(fn)
im.load() # this should close it.
assert_exception(OSError, lambda: os.fstat(fn))
self.assertRaises(OSError, lambda: os.fstat(fn))
im = None # this should force even more closed.
assert_exception(OSError, lambda: os.fstat(fn))
assert_exception(OSError, lambda: os.close(fn))
self.assertRaises(OSError, lambda: os.fstat(fn))
self.assertRaises(OSError, lambda: os.close(fn))
if __name__ == '__main__':
unittest.main()
# End of file

34
Tests/test_file_libtiff_small.py
View File

@ -1,13 +1,13 @@
from tester import *
from helper import unittest, tearDownModule
from PIL import Image
from test_file_libtiff import _assert_noerr
from test_file_libtiff import TestFileLibTiff
codecs = dir(Image.core)
if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs:
skip("tiff support not available")
class TestFileLibTiffSmall(TestFileLibTiff):
# Inherits TestFileLibTiff's setUp() and self._assert_noerr()
""" The small lena image was failing on open in the libtiff
decoder because the file pointer was set to the wrong place
@ -17,18 +17,17 @@ if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs:
file just before reading in libtiff. These tests remain
to ensure that it stays fixed. """
def test_g4_lena_file():
def test_g4_lena_file(self):
"""Testing the open file load path"""
file = "Tests/images/lena_g4.tif"
with open(file, 'rb') as f:
im = Image.open(f)
assert_equal(im.size, (128,128))
_assert_noerr(im)
self.assertEqual(im.size, (128, 128))
self._assert_noerr(im)
def test_g4_lena_bytesio():
def test_g4_lena_bytesio(self):
"""Testing the bytesio loading code path"""
from io import BytesIO
file = "Tests/images/lena_g4.tif"
@ -38,15 +37,20 @@ def test_g4_lena_bytesio():
s.seek(0)
im = Image.open(s)
assert_equal(im.size, (128,128))
_assert_noerr(im)
self.assertEqual(im.size, (128, 128))
self._assert_noerr(im)
def test_g4_lena():
def test_g4_lena(self):
"""The 128x128 lena image fails for some reason. Investigating"""
file = "Tests/images/lena_g4.tif"
im = Image.open(file)
assert_equal(im.size, (128,128))
_assert_noerr(im)
self.assertEqual(im.size, (128, 128))
self._assert_noerr(im)
if __name__ == '__main__':
unittest.main()
# End of file

21
Tests/test_file_msp.py
View File

@ -1,15 +1,24 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
file = tempfile("temp.msp")
class TestFileMsp(PillowTestCase):
def test_sanity(self):
file = self.tempfile("temp.msp")
lena("1").save(file)
im = Image.open(file)
im.load()
assert_equal(im.mode, "1")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "MSP")
self.assertEqual(im.mode, "1")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "MSP")
if __name__ == '__main__':
unittest.main()
# End of file

39
Tests/test_file_pcx.py
View File

@ -1,40 +1,47 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def _roundtrip(im):
f = tempfile("temp.pcx")
class TestFilePcx(PillowTestCase):
def _roundtrip(self, im):
f = self.tempfile("temp.pcx")
im.save(f)
im2 = Image.open(f)
assert_equal(im2.mode, im.mode)
assert_equal(im2.size, im.size)
assert_equal(im2.format, "PCX")
assert_image_equal(im2, im)
self.assertEqual(im2.mode, im.mode)
self.assertEqual(im2.size, im.size)
self.assertEqual(im2.format, "PCX")
self.assert_image_equal(im2, im)
def test_sanity():
def test_sanity(self):
for mode in ('1', 'L', 'P', 'RGB'):
_roundtrip(lena(mode))
self._roundtrip(lena(mode))
def test_odd():
def test_odd(self):
# see issue #523, odd sized images should have a stride that's even.
# not that imagemagick or gimp write pcx that way.
# we were not handling properly.
for mode in ('1', 'L', 'P', 'RGB'):
# larger, odd sized images are better here to ensure that
# we handle interrupted scan lines properly.
_roundtrip(lena(mode).resize((511,511)))
self._roundtrip(lena(mode).resize((511, 511)))
def test_pil184():
def test_pil184(self):
# Check reading of files where xmin/xmax is not zero.
file = "Tests/images/pil184.pcx"
im = Image.open(file)
assert_equal(im.size, (447, 144))
assert_equal(im.tile[0][1], (0, 0, 447, 144))
self.assertEqual(im.size, (447, 144))
self.assertEqual(im.tile[0][1], (0, 0, 447, 144))
# Make sure all pixels are either 0 or 255.
assert_equal(im.histogram()[0] + im.histogram()[255], 447*144)
self.assertEqual(im.histogram()[0] + im.histogram()[255], 447*144)
if __name__ == '__main__':
unittest.main()
# End of file

41
Tests/test_file_pdf.py
View File

@ -1,58 +1,59 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
import os.path
def helper_save_as_pdf(mode):
class TestFilePdf(PillowTestCase):
def helper_save_as_pdf(self, mode):
# Arrange
im = lena(mode)
outfile = tempfile("temp_" + mode + ".pdf")
outfile = self.tempfile("temp_" + mode + ".pdf")
# Act
im.save(outfile)
# Assert
assert_true(os.path.isfile(outfile))
assert_greater(os.path.getsize(outfile), 0)
self.assertTrue(os.path.isfile(outfile))
self.assertGreater(os.path.getsize(outfile), 0)
def test_monochrome():
def test_monochrome(self):
# Arrange
mode = "1"
# Act / Assert
helper_save_as_pdf(mode)
self.helper_save_as_pdf(mode)
def test_greyscale():
def test_greyscale(self):
# Arrange
mode = "L"
# Act / Assert
helper_save_as_pdf(mode)
self.helper_save_as_pdf(mode)
def test_rgb():
def test_rgb(self):
# Arrange
mode = "RGB"
# Act / Assert
helper_save_as_pdf(mode)
self.helper_save_as_pdf(mode)
def test_p_mode():
def test_p_mode(self):
# Arrange
mode = "P"
# Act / Assert
helper_save_as_pdf(mode)
self.helper_save_as_pdf(mode)
def test_cmyk_mode():
def test_cmyk_mode(self):
# Arrange
mode = "CMYK"
# Act / Assert
helper_save_as_pdf(mode)
self.helper_save_as_pdf(mode)
if __name__ == '__main__':
unittest.main()
# End of file

176
Tests/test_file_png.py
View File

@ -1,4 +1,6 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from io import BytesIO
from PIL import Image
from PIL import PngImagePlugin
@ -6,9 +8,6 @@ import zlib
codecs = dir(Image.core)
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
skip("zip/deflate support not available")
# sample png stream
file = "Images/lena.png"
@ -18,6 +17,7 @@ data = open(file, "rb").read()
MAGIC = PngImagePlugin._MAGIC
def chunk(cid, *data):
file = BytesIO()
PngImagePlugin.putchunk(*(file, cid) + data)
@ -32,31 +32,39 @@ IEND = chunk(b"IEND")
HEAD = MAGIC + IHDR
TAIL = IDAT + IEND
def load(data):
return Image.open(BytesIO(data))
def roundtrip(im, **options):
out = BytesIO()
im.save(out, "PNG", **options)
out.seek(0)
return Image.open(out)
# --------------------------------------------------------------------
def test_sanity():
class TestFilePng(PillowTestCase):
def setUp(self):
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
self.skipTest("zip/deflate support not available")
def test_sanity(self):
# internal version number
assert_match(Image.core.zlib_version, "\d+\.\d+\.\d+(\.\d+)?$")
self.assertRegexpMatches(
Image.core.zlib_version, "\d+\.\d+\.\d+(\.\d+)?$")
file = tempfile("temp.png")
file = self.tempfile("temp.png")
lena("RGB").save(file)
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "PNG")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PNG")
lena("1").save(file)
im = Image.open(file)
@ -73,145 +81,145 @@ def test_sanity():
lena("I").save(file)
im = Image.open(file)
# --------------------------------------------------------------------
def test_broken():
def test_broken(self):
# Check reading of totally broken files. In this case, the test
# file was checked into Subversion as a text file.
file = "Tests/images/broken.png"
assert_exception(IOError, lambda: Image.open(file))
self.assertRaises(IOError, lambda: Image.open(file))
def test_bad_text():
def test_bad_text(self):
# Make sure PIL can read malformed tEXt chunks (@PIL152)
im = load(HEAD + chunk(b'tEXt') + TAIL)
assert_equal(im.info, {})
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'tEXt', b'spam') + TAIL)
assert_equal(im.info, {'spam': ''})
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'tEXt', b'spam\0') + TAIL)
assert_equal(im.info, {'spam': ''})
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'tEXt', b'spam\0egg') + TAIL)
assert_equal(im.info, {'spam': 'egg'})
self.assertEqual(im.info, {'spam': 'egg'})
im = load(HEAD + chunk(b'tEXt', b'spam\0egg\0') + TAIL)
assert_equal(im.info, {'spam': 'egg\x00'})
self.assertEqual(im.info, {'spam': 'egg\x00'})
def test_bad_ztxt():
def test_bad_ztxt(self):
# Test reading malformed zTXt chunks (python-pillow/Pillow#318)
im = load(HEAD + chunk(b'zTXt') + TAIL)
assert_equal(im.info, {})
self.assertEqual(im.info, {})
im = load(HEAD + chunk(b'zTXt', b'spam') + TAIL)
assert_equal(im.info, {'spam': ''})
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'zTXt', b'spam\0') + TAIL)
assert_equal(im.info, {'spam': ''})
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'zTXt', b'spam\0\0') + TAIL)
assert_equal(im.info, {'spam': ''})
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')[:1]) + TAIL)
assert_equal(im.info, {'spam': ''})
im = load(HEAD + chunk(
b'zTXt', b'spam\0\0' + zlib.compress(b'egg')[:1]) + TAIL)
self.assertEqual(im.info, {'spam': ''})
im = load(HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')) + TAIL)
assert_equal(im.info, {'spam': 'egg'})
im = load(
HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')) + TAIL)
self.assertEqual(im.info, {'spam': 'egg'})
def test_interlace():
def test_interlace(self):
file = "Tests/images/pil123p.png"
im = Image.open(file)
assert_image(im, "P", (162, 150))
assert_true(im.info.get("interlace"))
self.assert_image(im, "P", (162, 150))
self.assertTrue(im.info.get("interlace"))
assert_no_exception(lambda: im.load())
im.load()
file = "Tests/images/pil123rgba.png"
im = Image.open(file)
assert_image(im, "RGBA", (162, 150))
assert_true(im.info.get("interlace"))
self.assert_image(im, "RGBA", (162, 150))
self.assertTrue(im.info.get("interlace"))
assert_no_exception(lambda: im.load())
im.load()
def test_load_transparent_p():
def test_load_transparent_p(self):
file = "Tests/images/pil123p.png"
im = Image.open(file)
assert_image(im, "P", (162, 150))
self.assert_image(im, "P", (162, 150))
im = im.convert("RGBA")
assert_image(im, "RGBA", (162, 150))
self.assert_image(im, "RGBA", (162, 150))
# image has 124 uniqe qlpha values
assert_equal(len(im.split()[3].getcolors()), 124)
self.assertEqual(len(im.split()[3].getcolors()), 124)
def test_load_transparent_rgb():
def test_load_transparent_rgb(self):
file = "Tests/images/rgb_trns.png"
im = Image.open(file)
assert_image(im, "RGB", (64, 64))
self.assert_image(im, "RGB", (64, 64))
im = im.convert("RGBA")
assert_image(im, "RGBA", (64, 64))
self.assert_image(im, "RGBA", (64, 64))
# image has 876 transparent pixels
assert_equal(im.split()[3].getcolors()[0][0], 876)
self.assertEqual(im.split()[3].getcolors()[0][0], 876)
def test_save_p_transparent_palette():
def test_save_p_transparent_palette(self):
in_file = "Tests/images/pil123p.png"
im = Image.open(in_file)
file = tempfile("temp.png")
assert_no_exception(lambda: im.save(file))
file = self.tempfile("temp.png")
im.save(file)
def test_save_p_single_transparency():
def test_save_p_single_transparency(self):
in_file = "Tests/images/p_trns_single.png"
im = Image.open(in_file)
file = tempfile("temp.png")
assert_no_exception(lambda: im.save(file))
file = self.tempfile("temp.png")
im.save(file)
def test_save_l_transparency():
def test_save_l_transparency(self):
in_file = "Tests/images/l_trns.png"
im = Image.open(in_file)
file = tempfile("temp.png")
assert_no_exception(lambda: im.save(file))
file = self.tempfile("temp.png")
im.save(file)
# There are 559 transparent pixels.
im = im.convert('RGBA')
assert_equal(im.split()[3].getcolors()[0][0], 559)
self.assertEqual(im.split()[3].getcolors()[0][0], 559)
def test_save_rgb_single_transparency():
def test_save_rgb_single_transparency(self):
in_file = "Tests/images/caption_6_33_22.png"
im = Image.open(in_file)
file = tempfile("temp.png")
assert_no_exception(lambda: im.save(file))
file = self.tempfile("temp.png")
im.save(file)
def test_load_verify():
def test_load_verify(self):
# Check open/load/verify exception (@PIL150)
im = Image.open("Images/lena.png")
assert_no_exception(lambda: im.verify())
im.verify()
im = Image.open("Images/lena.png")
im.load()
assert_exception(RuntimeError, lambda: im.verify())
self.assertRaises(RuntimeError, lambda: im.verify())
def test_roundtrip_dpi():
def test_roundtrip_dpi(self):
# Check dpi roundtripping
im = Image.open(file)
im = roundtrip(im, dpi=(100, 100))
assert_equal(im.info["dpi"], (100, 100))
self.assertEqual(im.info["dpi"], (100, 100))
def test_roundtrip_text():
def test_roundtrip_text(self):
# Check text roundtripping
im = Image.open(file)
@ -221,10 +229,10 @@ def test_roundtrip_text():
info.add_text("ZIP", "VALUE", 1)
im = roundtrip(im, pnginfo=info)
assert_equal(im.info, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
assert_equal(im.text, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
self.assertEqual(im.info, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
self.assertEqual(im.text, {'TXT': 'VALUE', 'ZIP': 'VALUE'})
def test_scary():
def test_scary(self):
# Check reading of evil PNG file. For information, see:
# http://scary.beasts.org/security/CESA-2004-001.txt
# The first byte is removed from pngtest_bad.png
@ -234,47 +242,46 @@ def test_scary():
data = b'\x89' + fd.read()
pngfile = BytesIO(data)
assert_exception(IOError, lambda: Image.open(pngfile))
self.assertRaises(IOError, lambda: Image.open(pngfile))
def test_trns_rgb():
def test_trns_rgb(self):
# Check writing and reading of tRNS chunks for RGB images.
# Independent file sample provided by Sebastian Spaeth.
file = "Tests/images/caption_6_33_22.png"
im = Image.open(file)
assert_equal(im.info["transparency"], (248, 248, 248))
self.assertEqual(im.info["transparency"], (248, 248, 248))
# check saving transparency by default
im = roundtrip(im)
assert_equal(im.info["transparency"], (248, 248, 248))
self.assertEqual(im.info["transparency"], (248, 248, 248))
im = roundtrip(im, transparency=(0, 1, 2))
assert_equal(im.info["transparency"], (0, 1, 2))
self.assertEqual(im.info["transparency"], (0, 1, 2))
def test_trns_p():
def test_trns_p(self):
# Check writing a transparency of 0, issue #528
im = lena('P')
im.info['transparency'] = 0
f = tempfile("temp.png")
f = self.tempfile("temp.png")
im.save(f)
im2 = Image.open(f)
assert_true('transparency' in im2.info)
self.assertIn('transparency', im2.info)
assert_image_equal(im2.convert('RGBA'), im.convert('RGBA'))
self.assert_image_equal(im2.convert('RGBA'), im.convert('RGBA'))
def test_save_icc_profile_none():
def test_save_icc_profile_none(self):
# check saving files with an ICC profile set to None (omit profile)
in_file = "Tests/images/icc_profile_none.png"
im = Image.open(in_file)
assert_equal(im.info['icc_profile'], None)
self.assertEqual(im.info['icc_profile'], None)
im = roundtrip(im)
assert_false('icc_profile' in im.info)
self.assertNotIn('icc_profile', im.info)
def test_roundtrip_icc_profile():
def test_roundtrip_icc_profile(self):
# check that we can roundtrip the icc profile
im = lena('RGB')
@ -283,5 +290,10 @@ def test_roundtrip_icc_profile():
im.info['icc_profile'] = expected_icc
im = roundtrip(im)
assert_equal(im.info['icc_profile'], expected_icc)
self.assertEqual(im.info['icc_profile'], expected_icc)
if __name__ == '__main__':
unittest.main()
# End of file

34
Tests/test_file_ppm.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -6,31 +6,37 @@ from PIL import Image
file = "Images/lena.ppm"
data = open(file, "rb").read()
def test_sanity():
class TestFilePpm(PillowTestCase):
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "PPM")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PPM")
def test_16bit_pgm():
def test_16bit_pgm(self):
im = Image.open('Tests/images/16_bit_binary.pgm')
im.load()
assert_equal(im.mode, 'I')
assert_equal(im.size, (20,100))
self.assertEqual(im.mode, 'I')
self.assertEqual(im.size, (20, 100))
tgt = Image.open('Tests/images/16_bit_binary_pgm.png')
assert_image_equal(im, tgt)
self.assert_image_equal(im, tgt)
def test_16bit_pgm_write():
def test_16bit_pgm_write(self):
im = Image.open('Tests/images/16_bit_binary.pgm')
im.load()
f = tempfile('temp.pgm')
assert_no_exception(lambda: im.save(f, 'PPM'))
f = self.tempfile('temp.pgm')
im.save(f, 'PPM')
reloaded = Image.open(f)
assert_image_equal(im, reloaded)
self.assert_image_equal(im, reloaded)
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_file_psd.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -6,9 +6,18 @@ from PIL import Image
file = "Images/lena.psd"
data = open(file, "rb").read()
def test_sanity():
class TestImagePsd(PillowTestCase):
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "PSD")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PSD")
if __name__ == '__main__':
unittest.main()
# End of file

31
Tests/test_file_spider.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import SpiderImagePlugin
@ -6,17 +6,18 @@ from PIL import SpiderImagePlugin
test_file = "Tests/images/lena.spider"
def test_sanity():
class TestImageSpider(PillowTestCase):
def test_sanity(self):
im = Image.open(test_file)
im.load()
assert_equal(im.mode, "F")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "SPIDER")
self.assertEqual(im.mode, "F")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "SPIDER")
def test_save():
def test_save(self):
# Arrange
temp = tempfile('temp.spider')
temp = self.tempfile('temp.spider')
im = lena()
# Act
@ -24,13 +25,15 @@ def test_save():
# Assert
im2 = Image.open(temp)
assert_equal(im2.mode, "F")
assert_equal(im2.size, (128, 128))
assert_equal(im2.format, "SPIDER")
self.assertEqual(im2.mode, "F")
self.assertEqual(im2.size, (128, 128))
self.assertEqual(im2.format, "SPIDER")
def test_isSpiderImage(self):
self.assertTrue(SpiderImagePlugin.isSpiderImage(test_file))
def test_isSpiderImage():
assert_true(SpiderImagePlugin.isSpiderImage(test_file))
if __name__ == '__main__':
unittest.main()
# End of file

30
Tests/test_file_tar.py
View File

@ -1,28 +1,38 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image, TarIO
codecs = dir(Image.core)
if "zip_decoder" not in codecs and "jpeg_decoder" not in codecs:
skip("neither jpeg nor zip support not available")
# sample ppm stream
tarfile = "Images/lena.tar"
def test_sanity():
class TestFileTar(PillowTestCase):
def setUp(self):
if "zip_decoder" not in codecs and "jpeg_decoder" not in codecs:
self.skipTest("neither jpeg nor zip support not available")
def test_sanity(self):
if "zip_decoder" in codecs:
tar = TarIO.TarIO(tarfile, 'lena.png')
im = Image.open(tar)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "PNG")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PNG")
if "jpeg_decoder" in codecs:
tar = TarIO.TarIO(tarfile, 'lena.jpg')
im = Image.open(tar)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "JPEG")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "JPEG")
if __name__ == '__main__':
unittest.main()
# End of file

91
Tests/test_file_tiff.py
View File

@ -1,18 +1,21 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, py3
from PIL import Image
def test_sanity():
file = tempfile("temp.tif")
class TestFileTiff(PillowTestCase):
def test_sanity(self):
file = self.tempfile("temp.tif")
lena("RGB").save(file)
im = Image.open(file)
im.load()
assert_equal(im.mode, "RGB")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "TIFF")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "TIFF")
lena("1").save(file)
im = Image.open(file)
@ -29,38 +32,39 @@ def test_sanity():
lena("I").save(file)
im = Image.open(file)
def test_mac_tiff():
def test_mac_tiff(self):
# Read RGBa images from Mac OS X [@PIL136]
file = "Tests/images/pil136.tiff"
im = Image.open(file)
assert_equal(im.mode, "RGBA")
assert_equal(im.size, (55, 43))
assert_equal(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))])
assert_no_exception(lambda: im.load())
self.assertEqual(im.mode, "RGBA")
self.assertEqual(im.size, (55, 43))
self.assertEqual(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))])
im.load()
def test_gimp_tiff():
def test_gimp_tiff(self):
# Read TIFF JPEG images from GIMP [@PIL168]
codecs = dir(Image.core)
if "jpeg_decoder" not in codecs:
skip("jpeg support not available")
self.skipTest("jpeg support not available")
file = "Tests/images/pil168.tif"
im = Image.open(file)
assert_equal(im.mode, "RGB")
assert_equal(im.size, (256, 256))
assert_equal(im.tile, [
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (256, 256))
self.assertEqual(
im.tile, [
('jpeg', (0, 0, 256, 64), 8, ('RGB', '')),
('jpeg', (0, 64, 256, 128), 1215, ('RGB', '')),
('jpeg', (0, 128, 256, 192), 2550, ('RGB', '')),
('jpeg', (0, 192, 256, 256), 3890, ('RGB', '')),
])
assert_no_exception(lambda: im.load())
im.load()
def test_xyres_tiff():
def test_xyres_tiff(self):
from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION
file = "Tests/images/pil168.tif"
im = Image.open(file)
@ -70,42 +74,40 @@ def test_xyres_tiff():
im.tag.tags[X_RESOLUTION] = (72,)
im.tag.tags[Y_RESOLUTION] = (72,)
im._setup()
assert_equal(im.info['dpi'], (72., 72.))
self.assertEqual(im.info['dpi'], (72., 72.))
def test_little_endian():
def test_little_endian(self):
im = Image.open('Tests/images/16bit.cropped.tif')
assert_equal(im.getpixel((0,0)), 480)
assert_equal(im.mode, 'I;16')
self.assertEqual(im.getpixel((0, 0)), 480)
self.assertEqual(im.mode, 'I;16')
b = im.tobytes()
# Bytes are in image native order (little endian)
if py3:
assert_equal(b[0], ord(b'\xe0'))
assert_equal(b[1], ord(b'\x01'))
self.assertEqual(b[0], ord(b'\xe0'))
self.assertEqual(b[1], ord(b'\x01'))
else:
assert_equal(b[0], b'\xe0')
assert_equal(b[1], b'\x01')
self.assertEqual(b[0], b'\xe0')
self.assertEqual(b[1], b'\x01')
def test_big_endian():
def test_big_endian(self):
im = Image.open('Tests/images/16bit.MM.cropped.tif')
assert_equal(im.getpixel((0,0)), 480)
assert_equal(im.mode, 'I;16B')
self.assertEqual(im.getpixel((0, 0)), 480)
self.assertEqual(im.mode, 'I;16B')
b = im.tobytes()
# Bytes are in image native order (big endian)
if py3:
assert_equal(b[0], ord(b'\x01'))
assert_equal(b[1], ord(b'\xe0'))
self.assertEqual(b[0], ord(b'\x01'))
self.assertEqual(b[1], ord(b'\xe0'))
else:
assert_equal(b[0], b'\x01')
assert_equal(b[1], b'\xe0')
self.assertEqual(b[0], b'\x01')
self.assertEqual(b[1], b'\xe0')
def test_12bit_rawmode():
""" Are we generating the same interpretation of the image as Imagemagick is? """
def test_12bit_rawmode(self):
""" Are we generating the same interpretation
of the image as Imagemagick is? """
# Image.DEBUG = True
im = Image.open('Tests/images/12bit.cropped.tif')
@ -127,15 +129,20 @@ def test_12bit_rawmode():
print (im2.getpixel((0, 1)))
print (im2.getpixel((0, 2)))
assert_image_equal(im, im2)
self.assert_image_equal(im, im2)
def test_32bit_float():
def test_32bit_float(self):
# Issue 614, specific 32 bit float format
path = 'Tests/images/10ct_32bit_128.tiff'
im = Image.open(path)
im.load()
assert_equal(im.getpixel((0,0)), -0.4526388943195343)
assert_equal(im.getextrema(), (-3.140936851501465, 3.140684127807617))
self.assertEqual(im.getpixel((0, 0)), -0.4526388943195343)
self.assertEqual(
im.getextrema(), (-3.140936851501465, 3.140684127807617))
if __name__ == '__main__':
unittest.main()
# End of file

43
Tests/test_file_tiff_metadata.py
View File

@ -1,9 +1,13 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image, TiffImagePlugin, TiffTags
tag_ids = dict(zip(TiffTags.TAGS.values(), TiffTags.TAGS.keys()))
def test_rt_metadata():
class TestFileTiffMetadata(PillowTestCase):
def test_rt_metadata(self):
""" Test writing arbitray metadata into the tiff image directory
Use case is ImageJ private tags, one numeric, one arbitrary
data. https://github.com/python-pillow/Pillow/issues/291
@ -17,16 +21,16 @@ def test_rt_metadata():
info[tag_ids['ImageJMetaDataByteCounts']] = len(textdata)
info[tag_ids['ImageJMetaData']] = textdata
f = tempfile("temp.tif")
f = self.tempfile("temp.tif")
img.save(f, tiffinfo=info)
loaded = Image.open(f)
assert_equal(loaded.tag[50838], (len(textdata),))
assert_equal(loaded.tag[50839], textdata)
self.assertEqual(loaded.tag[50838], (len(textdata),))
self.assertEqual(loaded.tag[50839], textdata)
def test_read_metadata():
def test_read_metadata(self):
img = Image.open('Tests/images/lena_g4.tif')
known = {'YResolution': ((1207959552, 16777216),),
@ -48,20 +52,20 @@ def test_read_metadata():
'StripOffsets': (8,),
'Software': 'ImageMagick 6.5.7-8 2012-08-17 Q16 http://www.imagemagick.org'}
# assert_equal is equivalent, but less helpful in telling what's wrong.
# self.assertEqual is equivalent,
# but less helpful in telling what's wrong.
named = img.tag.named()
for tag, value in named.items():
assert_equal(known[tag], value)
self.assertEqual(known[tag], value)
for tag, value in known.items():
assert_equal(value, named[tag])
self.assertEqual(value, named[tag])
def test_write_metadata():
def test_write_metadata(self):
""" Test metadata writing through the python code """
img = Image.open('Tests/images/lena.tif')
f = tempfile('temp.tiff')
f = self.tempfile('temp.tiff')
img.save(f, tiffinfo=img.tag)
loaded = Image.open(f)
@ -69,12 +73,21 @@ def test_write_metadata():
original = img.tag.named()
reloaded = loaded.tag.named()
ignored = ['StripByteCounts', 'RowsPerStrip', 'PageNumber', 'StripOffsets']
ignored = [
'StripByteCounts', 'RowsPerStrip', 'PageNumber', 'StripOffsets']
for tag, value in reloaded.items():
if tag not in ignored:
assert_equal(original[tag], value, "%s didn't roundtrip" % tag)
self.assertEqual(
original[tag], value, "%s didn't roundtrip" % tag)
for tag, value in original.items():
if tag not in ignored:
assert_equal(value, reloaded[tag], "%s didn't roundtrip" % tag)
self.assertEqual(
value, reloaded[tag], "%s didn't roundtrip" % tag)
if __name__ == '__main__':
unittest.main()
# End of file

79
Tests/test_file_webp.py
View File

@ -1,68 +1,79 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
try:
from PIL import _webp
except:
skip('webp support not installed')
# Skip in setUp()
pass
def test_version():
assert_no_exception(lambda: _webp.WebPDecoderVersion())
assert_no_exception(lambda: _webp.WebPDecoderBuggyAlpha())
class TestFileWebp(PillowTestCase):
def test_read_rgb():
def setUp(self):
try:
from PIL import _webp
except:
self.skipTest('WebP support not installed')
def test_version(self):
_webp.WebPDecoderVersion()
_webp.WebPDecoderBuggyAlpha()
def test_read_rgb(self):
file_path = "Images/lena.webp"
image = Image.open(file_path)
assert_equal(image.mode, "RGB")
assert_equal(image.size, (128, 128))
assert_equal(image.format, "WEBP")
assert_no_exception(lambda: image.load())
assert_no_exception(lambda: image.getdata())
self.assertEqual(image.mode, "RGB")
self.assertEqual(image.size, (128, 128))
self.assertEqual(image.format, "WEBP")
image.load()
image.getdata()
# generated with: dwebp -ppm ../../Images/lena.webp -o lena_webp_bits.ppm
# generated with:
# dwebp -ppm ../../Images/lena.webp -o lena_webp_bits.ppm
target = Image.open('Tests/images/lena_webp_bits.ppm')
assert_image_similar(image, target, 20.0)
self.assert_image_similar(image, target, 20.0)
def test_write_rgb():
def test_write_rgb(self):
"""
Can we write a RGB mode file to webp without error. Does it have the bits we
expect?
Can we write a RGB mode file to webp without error.
Does it have the bits we expect?
"""
temp_file = tempfile("temp.webp")
temp_file = self.tempfile("temp.webp")
lena("RGB").save(temp_file)
image = Image.open(temp_file)
image.load()
assert_equal(image.mode, "RGB")
assert_equal(image.size, (128, 128))
assert_equal(image.format, "WEBP")
assert_no_exception(lambda: image.load())
assert_no_exception(lambda: image.getdata())
self.assertEqual(image.mode, "RGB")
self.assertEqual(image.size, (128, 128))
self.assertEqual(image.format, "WEBP")
image.load()
image.getdata()
# If we're using the exact same version of webp, this test should pass.
# but it doesn't if the webp is generated on Ubuntu and tested on Fedora.
# If we're using the exact same version of WebP, this test should pass.
# but it doesn't if the WebP is generated on Ubuntu and tested on
# Fedora.
# generated with: dwebp -ppm temp.webp -o lena_webp_write.ppm
# target = Image.open('Tests/images/lena_webp_write.ppm')
#assert_image_equal(image, target)
# self.assert_image_equal(image, target)
# This test asserts that the images are similar. If the average pixel difference
# between the two images is less than the epsilon value, then we're going to
# accept that it's a reasonable lossy version of the image. The included lena images
# for webp are showing ~16 on Ubuntu, the jpegs are showing ~18.
# This test asserts that the images are similar. If the average pixel
# difference between the two images is less than the epsilon value,
# then we're going to accept that it's a reasonable lossy version of
# the image. The included lena images for WebP are showing ~16 on
# Ubuntu, the jpegs are showing ~18.
target = lena("RGB")
assert_image_similar(image, target, 20.0)
self.assert_image_similar(image, target, 20.0)
if __name__ == '__main__':
unittest.main()
# End of file

81
Tests/test_file_webp_alpha.py
View File

@ -1,82 +1,91 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
try:
from PIL import _webp
except:
skip('webp support not installed')
pass
# Skip in setUp()
if _webp.WebPDecoderBuggyAlpha():
skip("Buggy early version of webp installed, not testing transparency")
class TestFileWebpAlpha(PillowTestCase):
def test_read_rgba():
def setUp(self):
try:
from PIL import _webp
except:
self.skipTest('WebP support not installed')
if _webp.WebPDecoderBuggyAlpha(self):
self.skipTest("Buggy early version of WebP installed, not testing transparency")
def test_read_rgba(self):
# Generated with `cwebp transparent.png -o transparent.webp`
file_path = "Images/transparent.webp"
image = Image.open(file_path)
assert_equal(image.mode, "RGBA")
assert_equal(image.size, (200, 150))
assert_equal(image.format, "WEBP")
assert_no_exception(lambda: image.load())
assert_no_exception(lambda: image.getdata())
self.assertEqual(image.mode, "RGBA")
self.assertEqual(image.size, (200, 150))
self.assertEqual(image.format, "WEBP")
image.load()
image.getdata()
orig_bytes = image.tobytes()
image.tobytes()
target = Image.open('Images/transparent.png')
assert_image_similar(image, target, 20.0)
self.assert_image_similar(image, target, 20.0)
def test_write_lossless_rgb():
temp_file = tempfile("temp.webp")
def test_write_lossless_rgb(self):
temp_file = self.tempfile("temp.webp")
# temp_file = "temp.webp"
pil_image = lena('RGBA')
mask = Image.new("RGBA", (64, 64), (128, 128, 128, 128))
pil_image.paste(mask, (0,0), mask) # add some partially transparent bits.
# Add some partially transparent bits:
pil_image.paste(mask, (0, 0), mask)
pil_image.save(temp_file, lossless=True)
image = Image.open(temp_file)
image.load()
assert_equal(image.mode, "RGBA")
assert_equal(image.size, pil_image.size)
assert_equal(image.format, "WEBP")
assert_no_exception(lambda: image.load())
assert_no_exception(lambda: image.getdata())
self.assertEqual(image.mode, "RGBA")
self.assertEqual(image.size, pil_image.size)
self.assertEqual(image.format, "WEBP")
image.load()
image.getdata()
self.assert_image_equal(image, pil_image)
assert_image_equal(image, pil_image)
def test_write_rgba():
def test_write_rgba(self):
"""
Can we write a RGBA mode file to webp without error. Does it have the bits we
expect?
Can we write a RGBA mode file to webp without error.
Does it have the bits we expect?
"""
temp_file = tempfile("temp.webp")
temp_file = self.tempfile("temp.webp")
pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20))
pil_image.save(temp_file)
if _webp.WebPDecoderBuggyAlpha():
if _webp.WebPDecoderBuggyAlpha(self):
return
image = Image.open(temp_file)
image.load()
assert_equal(image.mode, "RGBA")
assert_equal(image.size, (10, 10))
assert_equal(image.format, "WEBP")
assert_no_exception(image.load)
assert_no_exception(image.getdata)
assert_image_similar(image, pil_image, 1.0)
self.assertEqual(image.mode, "RGBA")
self.assertEqual(image.size, (10, 10))
self.assertEqual(image.format, "WEBP")
image.load
image.getdata
self.assert_image_similar(image, pil_image, 1.0)
if __name__ == '__main__':
unittest.main()
# End of file

38
Tests/test_file_webp_lossless.py
View File

@ -1,33 +1,43 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
try:
from PIL import _webp
except:
skip('webp support not installed')
pass
# Skip in setUp()
class TestFileWebpLossless(PillowTestCase):
def setUp(self):
try:
from PIL import _webp
except:
self.skipTest('WebP support not installed')
if (_webp.WebPDecoderVersion() < 0x0200):
skip('lossless not included')
self.skipTest('lossless not included')
def test_write_lossless_rgb():
temp_file = tempfile("temp.webp")
def test_write_lossless_rgb(self):
temp_file = self.tempfile("temp.webp")
lena("RGB").save(temp_file, lossless=True)
image = Image.open(temp_file)
image.load()
assert_equal(image.mode, "RGB")
assert_equal(image.size, (128, 128))
assert_equal(image.format, "WEBP")
assert_no_exception(lambda: image.load())
assert_no_exception(lambda: image.getdata())
assert_image_equal(image, lena("RGB"))
self.assertEqual(image.mode, "RGB")
self.assertEqual(image.size, (128, 128))
self.assertEqual(image.format, "WEBP")
image.load()
image.getdata()
self.assert_image_equal(image, lena("RGB"))
if __name__ == '__main__':
unittest.main()
# End of file

59
Tests/test_file_webp_metadata.py
View File

@ -1,37 +1,40 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
class TestFileWebpMetadata(PillowTestCase):
def setUp(self):
try:
from PIL import _webp
if not _webp.HAVE_WEBPMUX:
skip('webpmux support not installed')
self.skipTest('webpmux support not installed')
except:
skip('webp support not installed')
self.skipTest('WebP support not installed')
def test_read_exif_metadata():
def test_read_exif_metadata(self):
file_path = "Images/flower.webp"
image = Image.open(file_path)
assert_equal(image.format, "WEBP")
self.assertEqual(image.format, "WEBP")
exif_data = image.info.get("exif", None)
assert_true(exif_data)
self.assertTrue(exif_data)
exif = image._getexif()
# camera make
assert_equal(exif[271], "Canon")
self.assertEqual(exif[271], "Canon")
jpeg_image = Image.open('Tests/images/flower.jpg')
expected_exif = jpeg_image.info['exif']
assert_equal(exif_data, expected_exif)
self.assertEqual(exif_data, expected_exif)
def test_write_exif_metadata(self):
from io import BytesIO
def test_write_exif_metadata():
file_path = "Tests/images/flower.jpg"
image = Image.open(file_path)
expected_exif = image.info['exif']
@ -44,28 +47,29 @@ def test_write_exif_metadata():
webp_image = Image.open(buffer)
webp_exif = webp_image.info.get('exif', None)
assert_true(webp_exif)
self.assertTrue(webp_exif)
if webp_exif:
assert_equal(webp_exif, expected_exif, "Webp Exif didn't match")
self.assertEqual(
webp_exif, expected_exif, "WebP EXIF didn't match")
def test_read_icc_profile():
def test_read_icc_profile(self):
file_path = "Images/flower2.webp"
image = Image.open(file_path)
assert_equal(image.format, "WEBP")
assert_true(image.info.get("icc_profile", None))
self.assertEqual(image.format, "WEBP")
self.assertTrue(image.info.get("icc_profile", None))
icc = image.info['icc_profile']
jpeg_image = Image.open('Tests/images/flower2.jpg')
expected_icc = jpeg_image.info['icc_profile']
assert_equal(icc, expected_icc)
self.assertEqual(icc, expected_icc)
def test_write_icc_metadata(self):
from io import BytesIO
def test_write_icc_metadata():
file_path = "Tests/images/flower2.jpg"
image = Image.open(file_path)
expected_icc_profile = image.info['icc_profile']
@ -79,15 +83,18 @@ def test_write_icc_metadata():
webp_icc_profile = webp_image.info.get('icc_profile', None)
assert_true(webp_icc_profile)
self.assertTrue(webp_icc_profile)
if webp_icc_profile:
assert_equal(webp_icc_profile, expected_icc_profile, "Webp ICC didn't match")
self.assertEqual(
webp_icc_profile, expected_icc_profile,
"Webp ICC didn't match")
def test_read_no_exif(self):
from io import BytesIO
def test_read_no_exif():
file_path = "Tests/images/flower.jpg"
image = Image.open(file_path)
expected_exif = image.info['exif']
image.info['exif']
buffer = BytesIO()
@ -96,6 +103,10 @@ def test_read_no_exif():
buffer.seek(0)
webp_image = Image.open(buffer)
assert_false(webp_image._getexif())
self.assertFalse(webp_image._getexif())
if __name__ == '__main__':
unittest.main()
# End of file

20
Tests/test_file_xbm.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -25,10 +25,20 @@ static char basic_bits[] = {
};
"""
def test_pil151():
class TestFileXbm(PillowTestCase):
def test_pil151(self):
from io import BytesIO
im = Image.open(BytesIO(PIL151))
assert_no_exception(lambda: im.load())
assert_equal(im.mode, '1')
assert_equal(im.size, (32, 32))
im.load()
self.assertEqual(im.mode, '1')
self.assertEqual(im.size, (32, 32))
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_file_xpm.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
@ -6,9 +6,18 @@ from PIL import Image
file = "Images/lena.xpm"
data = open(file, "rb").read()
def test_sanity():
class TestFileXpm(PillowTestCase):
def test_sanity(self):
im = Image.open(file)
im.load()
assert_equal(im.mode, "P")
assert_equal(im.size, (128, 128))
assert_equal(im.format, "XPM")
self.assertEqual(im.mode, "P")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "XPM")
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_font_bdf.py
View File

@ -1,13 +1,22 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image, FontFile, BdfFontFile
from PIL import FontFile, BdfFontFile
filename = "Images/courB08.bdf"
def test_sanity():
class TestFontBdf(PillowTestCase):
def test_sanity(self):
file = open(filename, "rb")
font = BdfFontFile.BdfFontFile(file)
assert_true(isinstance(font, FontFile.FontFile))
assert_equal(len([_f for _f in font.glyph if _f]), 190)
self.assertIsInstance(font, FontFile.FontFile)
self.assertEqual(len([_f for _f in font.glyph if _f]), 190)
if __name__ == '__main__':
unittest.main()
# End of file

42
Tests/test_font_pcf.py
View File

@ -1,49 +1,63 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image, FontFile, PcfFontFile
from PIL import ImageFont, ImageDraw
codecs = dir(Image.core)
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
skip("zlib support not available")
fontname = "Tests/fonts/helvO18.pcf"
tempname = tempfile("temp.pil", "temp.pbm")
message = "hello, world"
def test_sanity():
class TestFontPcf(PillowTestCase):
def setUp(self):
if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
self.skipTest("zlib support not available")
def save_font(self):
file = open(fontname, "rb")
font = PcfFontFile.PcfFontFile(file)
assert_true(isinstance(font, FontFile.FontFile))
assert_equal(len([_f for _f in font.glyph if _f]), 192)
self.assertIsInstance(font, FontFile.FontFile)
self.assertEqual(len([_f for _f in font.glyph if _f]), 192)
tempname = self.tempfile("temp.pil", "temp.pbm")
font.save(tempname)
return tempname
def xtest_draw():
def test_sanity(self):
self.save_font()
def xtest_draw(self):
tempname = self.save_font()
font = ImageFont.load(tempname)
image = Image.new("L", font.getsize(message), "white")
draw = ImageDraw.Draw(image)
draw.text((0, 0), message, font=font)
# assert_signature(image, "7216c60f988dea43a46bb68321e3c1b03ec62aee")
def _test_high_characters(message):
def _test_high_characters(self, message):
tempname = self.save_font()
font = ImageFont.load(tempname)
image = Image.new("L", font.getsize(message), "white")
draw = ImageDraw.Draw(image)
draw.text((0, 0), message, font=font)
compare = Image.open('Tests/images/high_ascii_chars.png')
assert_image_equal(image, compare)
self.assert_image_equal(image, compare)
def test_high_characters():
def test_high_characters(self):
message = "".join([chr(i+1) for i in range(140, 232)])
_test_high_characters(message)
self._test_high_characters(message)
# accept bytes instances in Py3.
if bytes is not str:
_test_high_characters(message.encode('latin1'))
self._test_high_characters(message.encode('latin1'))
if __name__ == '__main__':
unittest.main()
# End of file

37
Tests/test_format_lab.py
View File

@ -1,41 +1,48 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def test_white():
class TestFormatLab(PillowTestCase):
def test_white(self):
i = Image.open('Tests/images/lab.tif')
bits = i.load()
i.load()
assert_equal(i.mode, 'LAB')
self.assertEqual(i.mode, 'LAB')
assert_equal(i.getbands(), ('L','A', 'B'))
self.assertEqual(i.getbands(), ('L', 'A', 'B'))
k = i.getpixel((0, 0))
assert_equal(k, (255,128,128))
self.assertEqual(k, (255, 128, 128))
L = i.getdata(0)
a = i.getdata(1)
b = i.getdata(2)
assert_equal(list(L), [255]*100)
assert_equal(list(a), [128]*100)
assert_equal(list(b), [128]*100)
self.assertEqual(list(L), [255]*100)
self.assertEqual(list(a), [128]*100)
self.assertEqual(list(b), [128]*100)
def test_green():
def test_green(self):
# l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS
# == RGB: 0, 152, 117
i = Image.open('Tests/images/lab-green.tif')
k = i.getpixel((0, 0))
assert_equal(k, (128,28,128))
self.assertEqual(k, (128, 28, 128))
def test_red():
def test_red(self):
# l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS
# == RGB: 255, 0, 124
i = Image.open('Tests/images/lab-red.tif')
k = i.getpixel((0, 0))
assert_equal(k, (128,228,128))
self.assertEqual(k, (128, 228, 128))
if __name__ == '__main__':
unittest.main()
# End of file

46
Tests/test_image.py
View File

@ -1,39 +1,51 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def test_sanity():
class TestImage(PillowTestCase):
def test_sanity(self):
im = Image.new("L", (100, 100))
assert_equal(repr(im)[:45], "<PIL.Image.Image image mode=L size=100x100 at")
assert_equal(im.mode, "L")
assert_equal(im.size, (100, 100))
self.assertEqual(
repr(im)[:45], "<PIL.Image.Image image mode=L size=100x100 at")
self.assertEqual(im.mode, "L")
self.assertEqual(im.size, (100, 100))
im = Image.new("RGB", (100, 100))
assert_equal(repr(im)[:45], "<PIL.Image.Image image mode=RGB size=100x100 ")
assert_equal(im.mode, "RGB")
assert_equal(im.size, (100, 100))
self.assertEqual(
repr(im)[:45], "<PIL.Image.Image image mode=RGB size=100x100 ")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (100, 100))
im1 = Image.new("L", (100, 100), None)
Image.new("L", (100, 100), None)
im2 = Image.new("L", (100, 100), 0)
im3 = Image.new("L", (100, 100), "black")
assert_equal(im2.getcolors(), [(10000, 0)])
assert_equal(im3.getcolors(), [(10000, 0)])
self.assertEqual(im2.getcolors(), [(10000, 0)])
self.assertEqual(im3.getcolors(), [(10000, 0)])
assert_exception(ValueError, lambda: Image.new("X", (100, 100)))
# assert_exception(MemoryError, lambda: Image.new("L", (1000000, 1000000)))
self.assertRaises(ValueError, lambda: Image.new("X", (100, 100)))
# self.assertRaises(
# MemoryError, lambda: Image.new("L", (1000000, 1000000)))
def test_internals():
def test_internals(self):
im = Image.new("L", (100, 100))
im.readonly = 1
im._copy()
assert_false(im.readonly)
self.assertFalse(im.readonly)
im.readonly = 1
im.paste(0, (0, 0, 100, 100))
assert_false(im.readonly)
self.assertFalse(im.readonly)
file = tempfile("temp.ppm")
file = self.tempfile("temp.ppm")
im._dump(file)
if __name__ == '__main__':
unittest.main()
# End of file

47
Tests/test_image_array.py
View File

@ -1,22 +1,29 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
im = lena().resize((128, 100))
def test_toarray():
class TestImageCrop(PillowTestCase):
def test_toarray(self):
def test(mode):
ai = im.convert(mode).__array_interface__
return ai["shape"], ai["typestr"], len(ai["data"])
# assert_equal(test("1"), ((100, 128), '|b1', 1600))
assert_equal(test("L"), ((100, 128), '|u1', 12800))
assert_equal(test("I"), ((100, 128), Image._ENDIAN + 'i4', 51200)) # FIXME: wrong?
assert_equal(test("F"), ((100, 128), Image._ENDIAN + 'f4', 51200)) # FIXME: wrong?
assert_equal(test("RGB"), ((100, 128, 3), '|u1', 38400))
assert_equal(test("RGBA"), ((100, 128, 4), '|u1', 51200))
assert_equal(test("RGBX"), ((100, 128, 4), '|u1', 51200))
# self.assertEqual(test("1"), ((100, 128), '|b1', 1600))
self.assertEqual(test("L"), ((100, 128), '|u1', 12800))
def test_fromarray():
# FIXME: wrong?
self.assertEqual(test("I"), ((100, 128), Image._ENDIAN + 'i4', 51200))
# FIXME: wrong?
self.assertEqual(test("F"), ((100, 128), Image._ENDIAN + 'f4', 51200))
self.assertEqual(test("RGB"), ((100, 128, 3), '|u1', 38400))
self.assertEqual(test("RGBA"), ((100, 128, 4), '|u1', 51200))
self.assertEqual(test("RGBX"), ((100, 128, 4), '|u1', 51200))
def test_fromarray(self):
def test(mode):
i = im.convert(mode)
a = i.__array_interface__
@ -24,10 +31,16 @@ def test_fromarray():
i.__array_interface__ = a # patch in new version of attribute
out = Image.fromarray(i)
return out.mode, out.size, list(i.getdata()) == list(out.getdata())
# assert_equal(test("1"), ("1", (128, 100), True))
assert_equal(test("L"), ("L", (128, 100), True))
assert_equal(test("I"), ("I", (128, 100), True))
assert_equal(test("F"), ("F", (128, 100), True))
assert_equal(test("RGB"), ("RGB", (128, 100), True))
assert_equal(test("RGBA"), ("RGBA", (128, 100), True))
assert_equal(test("RGBX"), ("RGBA", (128, 100), True))
# self.assertEqual(test("1"), ("1", (128, 100), True))
self.assertEqual(test("L"), ("L", (128, 100), True))
self.assertEqual(test("I"), ("I", (128, 100), True))
self.assertEqual(test("F"), ("F", (128, 100), True))
self.assertEqual(test("RGB"), ("RGB", (128, 100), True))
self.assertEqual(test("RGBA"), ("RGBA", (128, 100), True))
self.assertEqual(test("RGBX"), ("RGBA", (128, 100), True))
if __name__ == '__main__':
unittest.main()
# End of file

110
Tests/test_image_convert.py
View File

@ -1,84 +1,78 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageConvert(PillowTestCase):
def test_sanity(self):
def convert(im, mode):
out = im.convert(mode)
assert_equal(out.mode, mode)
assert_equal(out.size, im.size)
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, im.size)
modes = "1", "L", "I", "F", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"
for mode in modes:
im = lena(mode)
for mode in modes:
yield_test(convert, im, mode)
convert(im, mode)
def test_default():
def test_default(self):
im = lena("P")
assert_image(im, "P", im.size)
self.assert_image(im, "P", im.size)
im = im.convert()
assert_image(im, "RGB", im.size)
self.assert_image(im, "RGB", im.size)
im = im.convert()
assert_image(im, "RGB", im.size)
self.assert_image(im, "RGB", im.size)
# ref https://github.com/python-pillow/Pillow/issues/274
def _test_float_conversion(im):
def _test_float_conversion(self, im):
orig = im.getpixel((5, 5))
converted = im.convert('F').getpixel((5, 5))
assert_equal(orig, converted)
self.assertEqual(orig, converted)
def test_8bit():
def test_8bit(self):
im = Image.open('Images/lena.jpg')
_test_float_conversion(im.convert('L'))
self._test_float_conversion(im.convert('L'))
def test_16bit():
def test_16bit(self):
im = Image.open('Tests/images/16bit.cropped.tif')
_test_float_conversion(im)
self._test_float_conversion(im)
def test_16bit_workaround():
def test_16bit_workaround(self):
im = Image.open('Tests/images/16bit.cropped.tif')
_test_float_conversion(im.convert('I'))
self._test_float_conversion(im.convert('I'))
def test_rgba_p():
def test_rgba_p(self):
im = lena('RGBA')
im.putalpha(lena('L'))
converted = im.convert('P')
comparable = converted.convert('RGBA')
assert_image_similar(im, comparable, 20)
self.assert_image_similar(im, comparable, 20)
def test_trns_p():
def test_trns_p(self):
im = lena('P')
im.info['transparency'] = 0
f = tempfile('temp.png')
f = self.tempfile('temp.png')
l = im.convert('L')
assert_equal(l.info['transparency'], 0) # undone
assert_no_exception(lambda: l.save(f))
self.assertEqual(l.info['transparency'], 0) # undone
l.save(f)
rgb = im.convert('RGB')
assert_equal(rgb.info['transparency'], (0, 0, 0)) # undone
assert_no_exception(lambda: rgb.save(f))
self.assertEqual(rgb.info['transparency'], (0, 0, 0)) # undone
rgb.save(f)
# ref https://github.com/python-pillow/Pillow/issues/664
def test_trns_p_rgba():
def test_trns_p_rgba(self):
# Arrange
im = lena('P')
im.info['transparency'] = 128
@ -87,44 +81,50 @@ def test_trns_p_rgba():
rgba = im.convert('RGBA')
# Assert
assert_false('transparency' in rgba.info)
self.assertNotIn('transparency', rgba.info)
def test_trns_l():
def test_trns_l(self):
im = lena('L')
im.info['transparency'] = 128
f = tempfile('temp.png')
f = self.tempfile('temp.png')
rgb = im.convert('RGB')
assert_equal(rgb.info['transparency'], (128, 128, 128)) # undone
assert_no_exception(lambda: rgb.save(f))
self.assertEqual(rgb.info['transparency'], (128, 128, 128)) # undone
rgb.save(f)
p = im.convert('P')
assert_true('transparency' in p.info)
assert_no_exception(lambda: p.save(f))
self.assertIn('transparency', p.info)
p.save(f)
p = assert_warning(UserWarning,
p = self.assert_warning(
UserWarning,
lambda: im.convert('P', palette=Image.ADAPTIVE))
assert_false('transparency' in p.info)
assert_no_exception(lambda: p.save(f))
self.assertNotIn('transparency', p.info)
p.save(f)
def test_trns_RGB():
def test_trns_RGB(self):
im = lena('RGB')
im.info['transparency'] = im.getpixel((0, 0))
f = tempfile('temp.png')
f = self.tempfile('temp.png')
l = im.convert('L')
assert_equal(l.info['transparency'], l.getpixel((0, 0))) # undone
assert_no_exception(lambda: l.save(f))
self.assertEqual(l.info['transparency'], l.getpixel((0, 0))) # undone
l.save(f)
p = im.convert('P')
assert_true('transparency' in p.info)
assert_no_exception(lambda: p.save(f))
self.assertIn('transparency', p.info)
p.save(f)
p = assert_warning(UserWarning,
p = self.assert_warning(
UserWarning,
lambda: im.convert('P', palette=Image.ADAPTIVE))
assert_false('transparency' in p.info)
assert_no_exception(lambda: p.save(f))
self.assertNotIn('transparency', p.info)
p.save(f)
if __name__ == '__main__':
unittest.main()
# End of file

18
Tests/test_image_copy.py
View File

@ -1,12 +1,20 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_copy():
class TestImageCopy(PillowTestCase):
def test_copy(self):
def copy(mode):
im = lena(mode)
out = im.copy()
assert_equal(out.mode, mode)
assert_equal(out.size, im.size)
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, im.size)
for mode in "1", "P", "L", "RGB", "I", "F":
yield_test(copy, mode)
copy(mode)
if __name__ == '__main__':
unittest.main()
# End of file

55
Tests/test_image_crop.py
View File

@ -1,16 +1,19 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_crop():
class TestImageCrop(PillowTestCase):
def test_crop(self):
def crop(mode):
out = lena(mode).crop((50, 50, 100, 100))
assert_equal(out.mode, mode)
assert_equal(out.size, (50, 50))
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, (50, 50))
for mode in "1", "P", "L", "RGB", "I", "F":
yield_test(crop, mode)
crop(mode)
def test_wide_crop():
def test_wide_crop(self):
def crop(*bbox):
i = im.crop(bbox)
@ -21,32 +24,36 @@ def test_wide_crop():
im = Image.new("L", (100, 100), 1)
assert_equal(crop(0, 0, 100, 100), (0, 10000))
assert_equal(crop(25, 25, 75, 75), (0, 2500))
self.assertEqual(crop(0, 0, 100, 100), (0, 10000))
self.assertEqual(crop(25, 25, 75, 75), (0, 2500))
# sides
assert_equal(crop(-25, 0, 25, 50), (1250, 1250))
assert_equal(crop(0, -25, 50, 25), (1250, 1250))
assert_equal(crop(75, 0, 125, 50), (1250, 1250))
assert_equal(crop(0, 75, 50, 125), (1250, 1250))
self.assertEqual(crop(-25, 0, 25, 50), (1250, 1250))
self.assertEqual(crop(0, -25, 50, 25), (1250, 1250))
self.assertEqual(crop(75, 0, 125, 50), (1250, 1250))
self.assertEqual(crop(0, 75, 50, 125), (1250, 1250))
assert_equal(crop(-25, 25, 125, 75), (2500, 5000))
assert_equal(crop(25, -25, 75, 125), (2500, 5000))
self.assertEqual(crop(-25, 25, 125, 75), (2500, 5000))
self.assertEqual(crop(25, -25, 75, 125), (2500, 5000))
# corners
assert_equal(crop(-25, -25, 25, 25), (1875, 625))
assert_equal(crop(75, -25, 125, 25), (1875, 625))
assert_equal(crop(75, 75, 125, 125), (1875, 625))
assert_equal(crop(-25, 75, 25, 125), (1875, 625))
self.assertEqual(crop(-25, -25, 25, 25), (1875, 625))
self.assertEqual(crop(75, -25, 125, 25), (1875, 625))
self.assertEqual(crop(75, 75, 125, 125), (1875, 625))
self.assertEqual(crop(-25, 75, 25, 125), (1875, 625))
# --------------------------------------------------------------------
def test_negative_crop():
def test_negative_crop(self):
# Check negative crop size (@PIL171)
im = Image.new("L", (512, 512))
im = im.crop((400, 400, 200, 200))
assert_equal(im.size, (0, 0))
assert_equal(len(im.getdata()), 0)
assert_exception(IndexError, lambda: im.getdata()[0])
self.assertEqual(im.size, (0, 0))
self.assertEqual(len(im.getdata()), 0)
self.assertRaises(IndexError, lambda: im.getdata()[0])
if __name__ == '__main__':
unittest.main()
# End of file

43
Tests/test_image_draft.py
View File

@ -1,30 +1,39 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, fromstring, tostring
from PIL import Image
codecs = dir(Image.core)
if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
skip("jpeg support not available")
filename = "Images/lena.jpg"
data = tostring(Image.open(filename).resize((512, 512)), "JPEG")
def draft(mode, size):
im = fromstring(data)
im.draft(mode, size)
return im
def test_size():
assert_equal(draft("RGB", (512, 512)).size, (512, 512))
assert_equal(draft("RGB", (256, 256)).size, (256, 256))
assert_equal(draft("RGB", (128, 128)).size, (128, 128))
assert_equal(draft("RGB", (64, 64)).size, (64, 64))
assert_equal(draft("RGB", (32, 32)).size, (64, 64))
def test_mode():
assert_equal(draft("1", (512, 512)).mode, "RGB")
assert_equal(draft("L", (512, 512)).mode, "L")
assert_equal(draft("RGB", (512, 512)).mode, "RGB")
assert_equal(draft("YCbCr", (512, 512)).mode, "YCbCr")
class TestImageDraft(PillowTestCase):
def setUp(self):
if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
self.skipTest("jpeg support not available")
def test_size(self):
self.assertEqual(draft("RGB", (512, 512)).size, (512, 512))
self.assertEqual(draft("RGB", (256, 256)).size, (256, 256))
self.assertEqual(draft("RGB", (128, 128)).size, (128, 128))
self.assertEqual(draft("RGB", (64, 64)).size, (64, 64))
self.assertEqual(draft("RGB", (32, 32)).size, (64, 64))
def test_mode(self):
self.assertEqual(draft("1", (512, 512)).mode, "RGB")
self.assertEqual(draft("L", (512, 512)).mode, "L")
self.assertEqual(draft("RGB", (512, 512)).mode, "RGB")
self.assertEqual(draft("YCbCr", (512, 512)).mode, "YCbCr")
if __name__ == '__main__':
unittest.main()
# End of file

51
Tests/test_image_filter.py
View File

@ -1,15 +1,18 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageFilter
def test_sanity():
class TestImageFilter(PillowTestCase):
def test_sanity(self):
def filter(filter):
im = lena("L")
out = im.filter(filter)
assert_equal(out.mode, im.mode)
assert_equal(out.size, im.size)
self.assertEqual(out.mode, im.mode)
self.assertEqual(out.size, im.size)
filter(ImageFilter.BLUR)
filter(ImageFilter.CONTOUR)
@ -27,21 +30,21 @@ def test_sanity():
filter(ImageFilter.ModeFilter)
filter(ImageFilter.Kernel((3, 3), list(range(9))))
assert_exception(TypeError, lambda: filter("hello"))
self.assertRaises(TypeError, lambda: filter("hello"))
def test_crash():
def test_crash(self):
# crashes on small images
im = Image.new("RGB", (1, 1))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
im.filter(ImageFilter.SMOOTH)
im = Image.new("RGB", (2, 2))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
im.filter(ImageFilter.SMOOTH)
im = Image.new("RGB", (3, 3))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
im.filter(ImageFilter.SMOOTH)
def test_modefilter():
def test_modefilter(self):
def modefilter(mode):
im = Image.new(mode, (3, 3), None)
@ -55,12 +58,12 @@ def test_modefilter():
mod2 = im.filter(ImageFilter.ModeFilter).getpixel((1, 1))
return mod, mod2
assert_equal(modefilter("1"), (4, 0))
assert_equal(modefilter("L"), (4, 0))
assert_equal(modefilter("P"), (4, 0))
assert_equal(modefilter("RGB"), ((4, 0, 0), (0, 0, 0)))
self.assertEqual(modefilter("1"), (4, 0))
self.assertEqual(modefilter("L"), (4, 0))
self.assertEqual(modefilter("P"), (4, 0))
self.assertEqual(modefilter("RGB"), ((4, 0, 0), (0, 0, 0)))
def test_rankfilter():
def test_rankfilter(self):
def rankfilter(mode):
im = Image.new(mode, (3, 3), None)
@ -74,9 +77,15 @@ def test_rankfilter():
max = im.filter(ImageFilter.MaxFilter).getpixel((1, 1))
return min, med, max
assert_equal(rankfilter("1"), (0, 4, 8))
assert_equal(rankfilter("L"), (0, 4, 8))
assert_exception(ValueError, lambda: rankfilter("P"))
assert_equal(rankfilter("RGB"), ((0, 0, 0), (4, 0, 0), (8, 0, 0)))
assert_equal(rankfilter("I"), (0, 4, 8))
assert_equal(rankfilter("F"), (0.0, 4.0, 8.0))
self.assertEqual(rankfilter("1"), (0, 4, 8))
self.assertEqual(rankfilter("L"), (0, 4, 8))
self.assertRaises(ValueError, lambda: rankfilter("P"))
self.assertEqual(rankfilter("RGB"), ((0, 0, 0), (4, 0, 0), (8, 0, 0)))
self.assertEqual(rankfilter("I"), (0, 4, 8))
self.assertEqual(rankfilter("F"), (0.0, 4.0, 8.0))
if __name__ == '__main__':
unittest.main()
# End of file

14
Tests/test_image_frombytes.py
View File

@ -1,10 +1,18 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageFromBytes(PillowTestCase):
def test_sanity(self):
im1 = lena()
im2 = Image.frombytes(im1.mode, im1.size, im1.tobytes())
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
if __name__ == '__main__':
unittest.main()
# End of file

33
Tests/test_image_getbands.py
View File

@ -1,15 +1,26 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def test_getbands():
assert_equal(Image.new("1", (1, 1)).getbands(), ("1",))
assert_equal(Image.new("L", (1, 1)).getbands(), ("L",))
assert_equal(Image.new("I", (1, 1)).getbands(), ("I",))
assert_equal(Image.new("F", (1, 1)).getbands(), ("F",))
assert_equal(Image.new("P", (1, 1)).getbands(), ("P",))
assert_equal(Image.new("RGB", (1, 1)).getbands(), ("R", "G", "B"))
assert_equal(Image.new("RGBA", (1, 1)).getbands(), ("R", "G", "B", "A"))
assert_equal(Image.new("CMYK", (1, 1)).getbands(), ("C", "M", "Y", "K"))
assert_equal(Image.new("YCbCr", (1, 1)).getbands(), ("Y", "Cb", "Cr"))
class TestImageGetBands(PillowTestCase):
def test_getbands(self):
self.assertEqual(Image.new("1", (1, 1)).getbands(), ("1",))
self.assertEqual(Image.new("L", (1, 1)).getbands(), ("L",))
self.assertEqual(Image.new("I", (1, 1)).getbands(), ("I",))
self.assertEqual(Image.new("F", (1, 1)).getbands(), ("F",))
self.assertEqual(Image.new("P", (1, 1)).getbands(), ("P",))
self.assertEqual(Image.new("RGB", (1, 1)).getbands(), ("R", "G", "B"))
self.assertEqual(
Image.new("RGBA", (1, 1)).getbands(), ("R", "G", "B", "A"))
self.assertEqual(
Image.new("CMYK", (1, 1)).getbands(), ("C", "M", "Y", "K"))
self.assertEqual(
Image.new("YCbCr", (1, 1)).getbands(), ("Y", "Cb", "Cr"))
if __name__ == '__main__':
unittest.main()
# End of file

33
Tests/test_image_getbbox.py
View File

@ -1,36 +1,45 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageGetBbox(PillowTestCase):
def test_sanity(self):
bbox = lena().getbbox()
assert_true(isinstance(bbox, tuple))
self.assertIsInstance(bbox, tuple)
def test_bbox():
def test_bbox(self):
# 8-bit mode
im = Image.new("L", (100, 100), 0)
assert_equal(im.getbbox(), None)
self.assertEqual(im.getbbox(), None)
im.paste(255, (10, 25, 90, 75))
assert_equal(im.getbbox(), (10, 25, 90, 75))
self.assertEqual(im.getbbox(), (10, 25, 90, 75))
im.paste(255, (25, 10, 75, 90))
assert_equal(im.getbbox(), (10, 10, 90, 90))
self.assertEqual(im.getbbox(), (10, 10, 90, 90))
im.paste(255, (-10, -10, 110, 110))
assert_equal(im.getbbox(), (0, 0, 100, 100))
self.assertEqual(im.getbbox(), (0, 0, 100, 100))
# 32-bit mode
im = Image.new("RGB", (100, 100), 0)
assert_equal(im.getbbox(), None)
self.assertEqual(im.getbbox(), None)
im.paste(255, (10, 25, 90, 75))
assert_equal(im.getbbox(), (10, 25, 90, 75))
self.assertEqual(im.getbbox(), (10, 25, 90, 75))
im.paste(255, (25, 10, 75, 90))
assert_equal(im.getbbox(), (10, 10, 90, 90))
self.assertEqual(im.getbbox(), (10, 10, 90, 90))
im.paste(255, (-10, -10, 110, 110))
assert_equal(im.getbbox(), (0, 0, 100, 100))
self.assertEqual(im.getbbox(), (0, 0, 100, 100))
if __name__ == '__main__':
unittest.main()
# End of file

64
Tests/test_image_getcolors.py
View File

@ -1,8 +1,9 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_getcolors():
class TestImageGetColors(PillowTestCase):
def test_getcolors(self):
def getcolors(mode, limit=None):
im = lena(mode)
@ -14,51 +15,60 @@ def test_getcolors():
return len(colors)
return None
assert_equal(getcolors("1"), 2)
assert_equal(getcolors("L"), 193)
assert_equal(getcolors("I"), 193)
assert_equal(getcolors("F"), 193)
assert_equal(getcolors("P"), 54) # fixed palette
assert_equal(getcolors("RGB"), None)
assert_equal(getcolors("RGBA"), None)
assert_equal(getcolors("CMYK"), None)
assert_equal(getcolors("YCbCr"), None)
self.assertEqual(getcolors("1"), 2)
self.assertEqual(getcolors("L"), 193)
self.assertEqual(getcolors("I"), 193)
self.assertEqual(getcolors("F"), 193)
self.assertEqual(getcolors("P"), 54) # fixed palette
self.assertEqual(getcolors("RGB"), None)
self.assertEqual(getcolors("RGBA"), None)
self.assertEqual(getcolors("CMYK"), None)
self.assertEqual(getcolors("YCbCr"), None)
assert_equal(getcolors("L", 128), None)
assert_equal(getcolors("L", 1024), 193)
self.assertEqual(getcolors("L", 128), None)
self.assertEqual(getcolors("L", 1024), 193)
assert_equal(getcolors("RGB", 8192), None)
assert_equal(getcolors("RGB", 16384), 14836)
assert_equal(getcolors("RGB", 100000), 14836)
self.assertEqual(getcolors("RGB", 8192), None)
self.assertEqual(getcolors("RGB", 16384), 14836)
self.assertEqual(getcolors("RGB", 100000), 14836)
assert_equal(getcolors("RGBA", 16384), 14836)
assert_equal(getcolors("CMYK", 16384), 14836)
assert_equal(getcolors("YCbCr", 16384), 11995)
self.assertEqual(getcolors("RGBA", 16384), 14836)
self.assertEqual(getcolors("CMYK", 16384), 14836)
self.assertEqual(getcolors("YCbCr", 16384), 11995)
# --------------------------------------------------------------------
def test_pack():
def test_pack(self):
# Pack problems for small tables (@PIL209)
im = lena().quantize(3).convert("RGB")
expected = [(3236, (227, 183, 147)), (6297, (143, 84, 81)), (6851, (208, 143, 112))]
expected = [
(3236, (227, 183, 147)),
(6297, (143, 84, 81)),
(6851, (208, 143, 112))]
A = im.getcolors(maxcolors=2)
assert_equal(A, None)
self.assertEqual(A, None)
A = im.getcolors(maxcolors=3)
A.sort()
assert_equal(A, expected)
self.assertEqual(A, expected)
A = im.getcolors(maxcolors=4)
A.sort()
assert_equal(A, expected)
self.assertEqual(A, expected)
A = im.getcolors(maxcolors=8)
A.sort()
assert_equal(A, expected)
self.assertEqual(A, expected)
A = im.getcolors(maxcolors=16)
A.sort()
assert_equal(A, expected)
self.assertEqual(A, expected)
if __name__ == '__main__':
unittest.main()
# End of file

37
Tests/test_image_getdata.py
View File

@ -1,28 +1,35 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageGetData(PillowTestCase):
def test_sanity(self):
data = lena().getdata()
assert_no_exception(lambda: len(data))
assert_no_exception(lambda: list(data))
len(data)
list(data)
assert_equal(data[0], (223, 162, 133))
self.assertEqual(data[0], (223, 162, 133))
def test_roundtrip():
def test_roundtrip(self):
def getdata(mode):
im = lena(mode).resize((32, 30))
data = im.getdata()
return data[0], len(data), len(list(data))
assert_equal(getdata("1"), (255, 960, 960))
assert_equal(getdata("L"), (176, 960, 960))
assert_equal(getdata("I"), (176, 960, 960))
assert_equal(getdata("F"), (176.0, 960, 960))
assert_equal(getdata("RGB"), ((223, 162, 133), 960, 960))
assert_equal(getdata("RGBA"), ((223, 162, 133, 255), 960, 960))
assert_equal(getdata("CMYK"), ((32, 93, 122, 0), 960, 960))
assert_equal(getdata("YCbCr"), ((176, 103, 160), 960, 960))
self.assertEqual(getdata("1"), (255, 960, 960))
self.assertEqual(getdata("L"), (176, 960, 960))
self.assertEqual(getdata("I"), (176, 960, 960))
self.assertEqual(getdata("F"), (176.0, 960, 960))
self.assertEqual(getdata("RGB"), ((223, 162, 133), 960, 960))
self.assertEqual(getdata("RGBA"), ((223, 162, 133, 255), 960, 960))
self.assertEqual(getdata("CMYK"), ((32, 93, 122, 0), 960, 960))
self.assertEqual(getdata("YCbCr"), ((176, 103, 160), 960, 960))
if __name__ == '__main__':
unittest.main()
# End of file

32
Tests/test_image_getextrema.py
View File

@ -1,17 +1,27 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_extrema():
class TestImageGetExtrema(PillowTestCase):
def test_extrema(self):
def extrema(mode):
return lena(mode).getextrema()
assert_equal(extrema("1"), (0, 255))
assert_equal(extrema("L"), (40, 235))
assert_equal(extrema("I"), (40, 235))
assert_equal(extrema("F"), (40.0, 235.0))
assert_equal(extrema("P"), (11, 218)) # fixed palette
assert_equal(extrema("RGB"), ((61, 255), (26, 234), (44, 223)))
assert_equal(extrema("RGBA"), ((61, 255), (26, 234), (44, 223), (255, 255)))
assert_equal(extrema("CMYK"), ((0, 194), (21, 229), (32, 211), (0, 0)))
self.assertEqual(extrema("1"), (0, 255))
self.assertEqual(extrema("L"), (40, 235))
self.assertEqual(extrema("I"), (40, 235))
self.assertEqual(extrema("F"), (40.0, 235.0))
self.assertEqual(extrema("P"), (11, 218)) # fixed palette
self.assertEqual(
extrema("RGB"), ((61, 255), (26, 234), (44, 223)))
self.assertEqual(
extrema("RGBA"), ((61, 255), (26, 234), (44, 223), (255, 255)))
self.assertEqual(
extrema("CMYK"), ((0, 194), (21, 229), (32, 211), (0, 0)))
if __name__ == '__main__':
unittest.main()
# End of file

15
Tests/test_image_getim.py
View File

@ -1,14 +1,19 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, py3
from PIL import Image
def test_sanity():
class TestImageGetIm(PillowTestCase):
def test_sanity(self):
im = lena()
type_repr = repr(type(im.getim()))
if py3:
assert_true("PyCapsule" in type_repr)
self.assertIn("PyCapsule", type_repr)
assert_true(isinstance(im.im.id, int))
self.assertIsInstance(im.im.id, int)
if __name__ == '__main__':
unittest.main()
# End of file

31
Tests/test_image_getpalette.py
View File

@ -1,19 +1,26 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_palette():
class TestImageGetPalette(PillowTestCase):
def test_palette(self):
def palette(mode):
p = lena(mode).getpalette()
if p:
return p[:10]
return None
assert_equal(palette("1"), None)
assert_equal(palette("L"), None)
assert_equal(palette("I"), None)
assert_equal(palette("F"), None)
assert_equal(palette("P"), [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
assert_equal(palette("RGB"), None)
assert_equal(palette("RGBA"), None)
assert_equal(palette("CMYK"), None)
assert_equal(palette("YCbCr"), None)
self.assertEqual(palette("1"), None)
self.assertEqual(palette("L"), None)
self.assertEqual(palette("I"), None)
self.assertEqual(palette("F"), None)
self.assertEqual(palette("P"), [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
self.assertEqual(palette("RGB"), None)
self.assertEqual(palette("RGBA"), None)
self.assertEqual(palette("CMYK"), None)
self.assertEqual(palette("YCbCr"), None)
if __name__ == '__main__':
unittest.main()
# End of file

36
Tests/test_image_getpixel.py
View File

@ -1,9 +1,10 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
Image.USE_CFFI_ACCESS = False
def color(mode):
bands = Image.getmodebands(mode)
if bands == 1:
@ -12,38 +13,41 @@ def color(mode):
return tuple(range(1, bands+1))
class TestImageGetPixel(PillowTestCase):
def check(mode, c=None):
def check(self, mode, c=None):
if not c:
c = color(mode)
# check putpixel
im = Image.new(mode, (1, 1), None)
im.putpixel((0, 0), c)
assert_equal(im.getpixel((0, 0)), c,
"put/getpixel roundtrip failed for mode %s, color %s" %
(mode, c))
self.assertEqual(
im.getpixel((0, 0)), c,
"put/getpixel roundtrip failed for mode %s, color %s" % (mode, c))
# check inital color
im = Image.new(mode, (1, 1), c)
assert_equal(im.getpixel((0, 0)), c,
"initial color failed for mode %s, color %s " %
(mode, color))
self.assertEqual(
im.getpixel((0, 0)), c,
"initial color failed for mode %s, color %s " % (mode, color))
def test_basic():
def test_basic(self):
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"):
check(mode)
self.check(mode)
def test_signedness():
def test_signedness(self):
# see https://github.com/python-pillow/Pillow/issues/452
# pixelaccess is using signed int* instead of uint*
for mode in ("I;16", "I;16B"):
check(mode, 2**15-1)
check(mode, 2**15)
check(mode, 2**15+1)
check(mode, 2**16-1)
self.check(mode, 2**15-1)
self.check(mode, 2**15)
self.check(mode, 2**15+1)
self.check(mode, 2**16-1)
if __name__ == '__main__':
unittest.main()
# End of file

34
Tests/test_image_getprojection.py
View File

@ -1,30 +1,38 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageGetProjection(PillowTestCase):
def test_sanity(self):
im = lena()
projection = im.getprojection()
assert_equal(len(projection), 2)
assert_equal(len(projection[0]), im.size[0])
assert_equal(len(projection[1]), im.size[1])
self.assertEqual(len(projection), 2)
self.assertEqual(len(projection[0]), im.size[0])
self.assertEqual(len(projection[1]), im.size[1])
# 8-bit image
im = Image.new("L", (10, 10))
assert_equal(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
assert_equal(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
im.paste(255, (2, 4, 8, 6))
assert_equal(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0])
assert_equal(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0])
self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
# 32-bit image
im = Image.new("RGB", (10, 10))
assert_equal(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
assert_equal(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
im.paste(255, (2, 4, 8, 6))
assert_equal(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0])
assert_equal(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0])
self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
if __name__ == '__main__':
unittest.main()
# End of file

31
Tests/test_image_histogram.py
View File

@ -1,19 +1,26 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_histogram():
class TestImageHistogram(PillowTestCase):
def test_histogram(self):
def histogram(mode):
h = lena(mode).histogram()
return len(h), min(h), max(h)
assert_equal(histogram("1"), (256, 0, 8872))
assert_equal(histogram("L"), (256, 0, 199))
assert_equal(histogram("I"), (256, 0, 199))
assert_equal(histogram("F"), (256, 0, 199))
assert_equal(histogram("P"), (256, 0, 2912))
assert_equal(histogram("RGB"), (768, 0, 285))
assert_equal(histogram("RGBA"), (1024, 0, 16384))
assert_equal(histogram("CMYK"), (1024, 0, 16384))
assert_equal(histogram("YCbCr"), (768, 0, 741))
self.assertEqual(histogram("1"), (256, 0, 8872))
self.assertEqual(histogram("L"), (256, 0, 199))
self.assertEqual(histogram("I"), (256, 0, 199))
self.assertEqual(histogram("F"), (256, 0, 199))
self.assertEqual(histogram("P"), (256, 0, 2912))
self.assertEqual(histogram("RGB"), (768, 0, 285))
self.assertEqual(histogram("RGBA"), (1024, 0, 16384))
self.assertEqual(histogram("CMYK"), (1024, 0, 16384))
self.assertEqual(histogram("YCbCr"), (768, 0, 741))
if __name__ == '__main__':
unittest.main()
# End of file

28
Tests/test_image_load.py
View File

@ -1,27 +1,35 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
import os
def test_sanity():
class TestImageLoad(PillowTestCase):
def test_sanity(self):
im = lena()
pix = im.load()
assert_equal(pix[0, 0], (223, 162, 133))
self.assertEqual(pix[0, 0], (223, 162, 133))
def test_close():
def test_close(self):
im = Image.open("Images/lena.gif")
assert_no_exception(lambda: im.close())
assert_exception(ValueError, lambda: im.load())
assert_exception(ValueError, lambda: im.getpixel((0,0)))
im.close()
self.assertRaises(ValueError, lambda: im.load())
self.assertRaises(ValueError, lambda: im.getpixel((0, 0)))
def test_contextmanager():
def test_contextmanager(self):
fn = None
with Image.open("Images/lena.gif") as im:
fn = im.fp.fileno()
assert_no_exception(lambda: os.fstat(fn))
os.fstat(fn)
assert_exception(OSError, lambda: os.fstat(fn))
self.assertRaises(OSError, lambda: os.fstat(fn))
if __name__ == '__main__':
unittest.main()
# End of file

19
Tests/test_image_mode.py
View File

@ -1,19 +1,22 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageMode(PillowTestCase):
def test_sanity(self):
im = lena()
assert_no_exception(lambda: im.mode)
im.mode
def test_properties():
def test_properties(self):
def check(mode, *result):
signature = (
Image.getmodebase(mode), Image.getmodetype(mode),
Image.getmodebands(mode), Image.getmodebandnames(mode),
)
assert_equal(signature, result)
self.assertEqual(signature, result)
check("1", "L", "L", 1, ("1",))
check("L", "L", "L", 1, ("L",))
check("P", "RGB", "L", 1, ("P",))
@ -25,3 +28,9 @@ def test_properties():
check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X"))
check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K"))
check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr"))
if __name__ == '__main__':
unittest.main()
# End of file

27
Tests/test_image_offset.py
View File

@ -1,16 +1,25 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_offset():
class TestImageOffset(PillowTestCase):
def test_offset(self):
im1 = lena()
im2 = assert_warning(DeprecationWarning, lambda: im1.offset(10))
assert_equal(im1.getpixel((0, 0)), im2.getpixel((10, 10)))
im2 = self.assert_warning(DeprecationWarning, lambda: im1.offset(10))
self.assertEqual(im1.getpixel((0, 0)), im2.getpixel((10, 10)))
im2 = assert_warning(DeprecationWarning, lambda: im1.offset(10, 20))
assert_equal(im1.getpixel((0, 0)), im2.getpixel((10, 20)))
im2 = self.assert_warning(
DeprecationWarning, lambda: im1.offset(10, 20))
self.assertEqual(im1.getpixel((0, 0)), im2.getpixel((10, 20)))
im2 = assert_warning(DeprecationWarning, lambda: im1.offset(20, 20))
assert_equal(im1.getpixel((0, 0)), im2.getpixel((20, 20)))
im2 = self.assert_warning(
DeprecationWarning, lambda: im1.offset(20, 20))
self.assertEqual(im1.getpixel((0, 0)), im2.getpixel((20, 20)))
if __name__ == '__main__':
unittest.main()
# End of file

44
Tests/test_image_point.py
View File

@ -1,33 +1,41 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
import sys
class TestImagePoint(PillowTestCase):
def setUp(self):
if hasattr(sys, 'pypy_version_info'):
# This takes _forever_ on pypy. Open Bug,
# This takes _forever_ on PyPy. Open Bug,
# see https://github.com/python-pillow/Pillow/issues/484
skip()
def test_sanity():
self.skipTest("Too slow on PyPy")
def test_sanity(self):
im = lena()
assert_exception(ValueError, lambda: im.point(list(range(256))))
assert_no_exception(lambda: im.point(list(range(256))*3))
assert_no_exception(lambda: im.point(lambda x: x))
self.assertRaises(ValueError, lambda: im.point(list(range(256))))
im.point(list(range(256))*3)
im.point(lambda x: x)
im = im.convert("I")
assert_exception(ValueError, lambda: im.point(list(range(256))))
assert_no_exception(lambda: im.point(lambda x: x*1))
assert_no_exception(lambda: im.point(lambda x: x+1))
assert_no_exception(lambda: im.point(lambda x: x*1+1))
assert_exception(TypeError, lambda: im.point(lambda x: x-1))
assert_exception(TypeError, lambda: im.point(lambda x: x/1))
self.assertRaises(ValueError, lambda: im.point(list(range(256))))
im.point(lambda x: x*1)
im.point(lambda x: x+1)
im.point(lambda x: x*1+1)
self.assertRaises(TypeError, lambda: im.point(lambda x: x-1))
self.assertRaises(TypeError, lambda: im.point(lambda x: x/1))
def test_16bit_lut():
def test_16bit_lut(self):
""" Tests for 16 bit -> 8 bit lut for converting I->L images
see https://github.com/python-pillow/Pillow/issues/440
"""
im = lena("I")
assert_no_exception(lambda: im.point(list(range(256))*256, 'L'))
im.point(list(range(256))*256, 'L')
if __name__ == '__main__':
unittest.main()
# End of file

43
Tests/test_image_putalpha.py
View File

@ -1,43 +1,52 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def test_interface():
class TestImagePutAlpha(PillowTestCase):
def test_interface(self):
im = Image.new("RGBA", (1, 1), (1, 2, 3, 0))
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 0))
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 0))
im = Image.new("RGBA", (1, 1), (1, 2, 3))
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 255))
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 255))
im.putalpha(Image.new("L", im.size, 4))
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 4))
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4))
im.putalpha(5)
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 5))
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 5))
def test_promote():
def test_promote(self):
im = Image.new("L", (1, 1), 1)
assert_equal(im.getpixel((0, 0)), 1)
self.assertEqual(im.getpixel((0, 0)), 1)
im.putalpha(2)
assert_equal(im.mode, 'LA')
assert_equal(im.getpixel((0, 0)), (1, 2))
self.assertEqual(im.mode, 'LA')
self.assertEqual(im.getpixel((0, 0)), (1, 2))
im = Image.new("RGB", (1, 1), (1, 2, 3))
assert_equal(im.getpixel((0, 0)), (1, 2, 3))
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3))
im.putalpha(4)
assert_equal(im.mode, 'RGBA')
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 4))
self.assertEqual(im.mode, 'RGBA')
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4))
def test_readonly():
def test_readonly(self):
im = Image.new("RGB", (1, 1), (1, 2, 3))
im.readonly = 1
im.putalpha(4)
assert_false(im.readonly)
assert_equal(im.mode, 'RGBA')
assert_equal(im.getpixel((0, 0)), (1, 2, 3, 4))
self.assertFalse(im.readonly)
self.assertEqual(im.mode, 'RGBA')
self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4))
if __name__ == '__main__':
unittest.main()
# End of file

34
Tests/test_image_putdata.py
View File

@ -1,10 +1,13 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
import sys
from PIL import Image
def test_sanity():
class TestImagePutData(PillowTestCase):
def test_sanity(self):
im1 = lena()
@ -13,28 +16,33 @@ def test_sanity():
im2 = Image.new(im1.mode, im1.size, 0)
im2.putdata(data)
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
# readonly
im2 = Image.new(im1.mode, im2.size, 0)
im2.readonly = 1
im2.putdata(data)
assert_false(im2.readonly)
assert_image_equal(im1, im2)
self.assertFalse(im2.readonly)
self.assert_image_equal(im1, im2)
def test_long_integers():
def test_long_integers(self):
# see bug-200802-systemerror
def put(value):
im = Image.new("RGBA", (1, 1))
im.putdata([value])
return im.getpixel((0, 0))
assert_equal(put(0xFFFFFFFF), (255, 255, 255, 255))
assert_equal(put(0xFFFFFFFF), (255, 255, 255, 255))
assert_equal(put(-1), (255, 255, 255, 255))
assert_equal(put(-1), (255, 255, 255, 255))
self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255))
self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255))
self.assertEqual(put(-1), (255, 255, 255, 255))
self.assertEqual(put(-1), (255, 255, 255, 255))
if sys.maxsize > 2**32:
assert_equal(put(sys.maxsize), (255, 255, 255, 255))
self.assertEqual(put(sys.maxsize), (255, 255, 255, 255))
else:
assert_equal(put(sys.maxsize), (255, 255, 255, 127))
self.assertEqual(put(sys.maxsize), (255, 255, 255, 127))
if __name__ == '__main__':
unittest.main()
# End of file

40
Tests/test_image_putpalette.py
View File

@ -1,9 +1,11 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImagePalette
def test_putpalette():
class TestImagePutPalette(PillowTestCase):
def test_putpalette(self):
def palette(mode):
im = lena(mode).copy()
im.putpalette(list(range(256))*3)
@ -11,18 +13,24 @@ def test_putpalette():
if p:
return im.mode, p[:10]
return im.mode
assert_exception(ValueError, lambda: palette("1"))
assert_equal(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
assert_equal(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
assert_exception(ValueError, lambda: palette("I"))
assert_exception(ValueError, lambda: palette("F"))
assert_exception(ValueError, lambda: palette("RGB"))
assert_exception(ValueError, lambda: palette("RGBA"))
assert_exception(ValueError, lambda: palette("YCbCr"))
self.assertRaises(ValueError, lambda: palette("1"))
self.assertEqual(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
self.assertEqual(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
self.assertRaises(ValueError, lambda: palette("I"))
self.assertRaises(ValueError, lambda: palette("F"))
self.assertRaises(ValueError, lambda: palette("RGB"))
self.assertRaises(ValueError, lambda: palette("RGBA"))
self.assertRaises(ValueError, lambda: palette("YCbCr"))
def test_imagepalette():
def test_imagepalette(self):
im = lena("P")
assert_no_exception(lambda: im.putpalette(ImagePalette.negative()))
assert_no_exception(lambda: im.putpalette(ImagePalette.random()))
assert_no_exception(lambda: im.putpalette(ImagePalette.sepia()))
assert_no_exception(lambda: im.putpalette(ImagePalette.wedge()))
im.putpalette(ImagePalette.negative())
im.putpalette(ImagePalette.random())
im.putpalette(ImagePalette.sepia())
im.putpalette(ImagePalette.wedge())
if __name__ == '__main__':
unittest.main()
# End of file

23
Tests/test_image_putpixel.py
View File

@ -1,10 +1,13 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
Image.USE_CFFI_ACCESS = False
def test_sanity():
class TestImagePutPixel(PillowTestCase):
def test_sanity(self):
im1 = lena()
im2 = Image.new(im1.mode, im1.size, 0)
@ -14,7 +17,7 @@ def test_sanity():
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
im2.readonly = 1
@ -24,8 +27,8 @@ def test_sanity():
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
assert_false(im2.readonly)
assert_image_equal(im1, im2)
self.assertFalse(im2.readonly)
self.assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
@ -36,10 +39,12 @@ def test_sanity():
for x in range(im1.size[0]):
pix2[x, y] = pix1[x, y]
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
# see test_image_getpixel for more tests
if __name__ == '__main__':
unittest.main()
# End of file

26
Tests/test_image_quantize.py
View File

@ -1,27 +1,35 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageQuantize(PillowTestCase):
def test_sanity(self):
im = lena()
im = im.quantize()
assert_image(im, "P", im.size)
self.assert_image(im, "P", im.size)
im = lena()
im = im.quantize(palette=lena("P"))
assert_image(im, "P", im.size)
self.assert_image(im, "P", im.size)
def test_octree_quantize():
def test_octree_quantize(self):
im = lena()
im = im.quantize(100, Image.FASTOCTREE)
assert_image(im, "P", im.size)
self.assert_image(im, "P", im.size)
assert len(im.getcolors()) == 100
def test_rgba_quantize():
def test_rgba_quantize(self):
im = lena('RGBA')
assert_no_exception(lambda: im.quantize())
assert_exception(Exception, lambda: im.quantize(method=0))
im.quantize()
self.assertRaises(Exception, lambda: im.quantize(method=0))
if __name__ == '__main__':
unittest.main()
# End of file

21
Tests/test_image_resize.py
View File

@ -1,12 +1,19 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_resize():
class TestImageResize(PillowTestCase):
def test_resize(self):
def resize(mode, size):
out = lena(mode).resize(size)
assert_equal(out.mode, mode)
assert_equal(out.size, size)
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, size)
for mode in "1", "P", "L", "RGB", "I", "F":
yield_test(resize, mode, (100, 100))
yield_test(resize, mode, (200, 200))
resize(mode, (100, 100))
resize(mode, (200, 200))
if __name__ == '__main__':
unittest.main()
# End of file

23
Tests/test_image_rotate.py
View File

@ -1,15 +1,22 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_rotate():
class TestImageRotate(PillowTestCase):
def test_rotate(self):
def rotate(mode):
im = lena(mode)
out = im.rotate(45)
assert_equal(out.mode, mode)
assert_equal(out.size, im.size) # default rotate clips output
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, im.size) # default rotate clips output
out = im.rotate(45, expand=1)
assert_equal(out.mode, mode)
assert_true(out.size != im.size)
self.assertEqual(out.mode, mode)
self.assertNotEqual(out.size, im.size)
for mode in "1", "P", "L", "RGB", "I", "F":
yield_test(rotate, mode)
rotate(mode)
if __name__ == '__main__':
unittest.main()
# End of file

76
Tests/test_image_split.py
View File

@ -1,49 +1,67 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_split():
class TestImageSplit(PillowTestCase):
def test_split(self):
def split(mode):
layers = lena(mode).split()
return [(i.mode, i.size[0], i.size[1]) for i in layers]
assert_equal(split("1"), [('1', 128, 128)])
assert_equal(split("L"), [('L', 128, 128)])
assert_equal(split("I"), [('I', 128, 128)])
assert_equal(split("F"), [('F', 128, 128)])
assert_equal(split("P"), [('P', 128, 128)])
assert_equal(split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
assert_equal(split("RGBA"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
assert_equal(split("CMYK"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
assert_equal(split("YCbCr"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
self.assertEqual(split("1"), [('1', 128, 128)])
self.assertEqual(split("L"), [('L', 128, 128)])
self.assertEqual(split("I"), [('I', 128, 128)])
self.assertEqual(split("F"), [('F', 128, 128)])
self.assertEqual(split("P"), [('P', 128, 128)])
self.assertEqual(
split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
self.assertEqual(
split("RGBA"),
[('L', 128, 128), ('L', 128, 128),
('L', 128, 128), ('L', 128, 128)])
self.assertEqual(
split("CMYK"),
[('L', 128, 128), ('L', 128, 128),
('L', 128, 128), ('L', 128, 128)])
self.assertEqual(
split("YCbCr"),
[('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
def test_split_merge():
def test_split_merge(self):
def split_merge(mode):
return Image.merge(mode, lena(mode).split())
assert_image_equal(lena("1"), split_merge("1"))
assert_image_equal(lena("L"), split_merge("L"))
assert_image_equal(lena("I"), split_merge("I"))
assert_image_equal(lena("F"), split_merge("F"))
assert_image_equal(lena("P"), split_merge("P"))
assert_image_equal(lena("RGB"), split_merge("RGB"))
assert_image_equal(lena("RGBA"), split_merge("RGBA"))
assert_image_equal(lena("CMYK"), split_merge("CMYK"))
assert_image_equal(lena("YCbCr"), split_merge("YCbCr"))
self.assert_image_equal(lena("1"), split_merge("1"))
self.assert_image_equal(lena("L"), split_merge("L"))
self.assert_image_equal(lena("I"), split_merge("I"))
self.assert_image_equal(lena("F"), split_merge("F"))
self.assert_image_equal(lena("P"), split_merge("P"))
self.assert_image_equal(lena("RGB"), split_merge("RGB"))
self.assert_image_equal(lena("RGBA"), split_merge("RGBA"))
self.assert_image_equal(lena("CMYK"), split_merge("CMYK"))
self.assert_image_equal(lena("YCbCr"), split_merge("YCbCr"))
def test_split_open():
def test_split_open(self):
codecs = dir(Image.core)
if 'zip_encoder' in codecs:
file = tempfile("temp.png")
file = self.tempfile("temp.png")
else:
file = tempfile("temp.pcx")
file = self.tempfile("temp.pcx")
def split_open(mode):
lena(mode).save(file)
im = Image.open(file)
return len(im.split())
assert_equal(split_open("1"), 1)
assert_equal(split_open("L"), 1)
assert_equal(split_open("P"), 1)
assert_equal(split_open("RGB"), 3)
self.assertEqual(split_open("1"), 1)
self.assertEqual(split_open("L"), 1)
self.assertEqual(split_open("P"), 1)
self.assertEqual(split_open("RGB"), 3)
if 'zip_encoder' in codecs:
assert_equal(split_open("RGBA"), 4)
self.assertEqual(split_open("RGBA"), 4)
if __name__ == '__main__':
unittest.main()
# End of file

29
Tests/test_image_thumbnail.py
View File

@ -1,36 +1,43 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_sanity():
class TestImageThumbnail(PillowTestCase):
def test_sanity(self):
im = lena()
im.thumbnail((100, 100))
assert_image(im, im.mode, (100, 100))
self.assert_image(im, im.mode, (100, 100))
def test_aspect():
def test_aspect(self):
im = lena()
im.thumbnail((100, 100))
assert_image(im, im.mode, (100, 100))
self.assert_image(im, im.mode, (100, 100))
im = lena().resize((128, 256))
im.thumbnail((100, 100))
assert_image(im, im.mode, (50, 100))
self.assert_image(im, im.mode, (50, 100))
im = lena().resize((128, 256))
im.thumbnail((50, 100))
assert_image(im, im.mode, (50, 100))
self.assert_image(im, im.mode, (50, 100))
im = lena().resize((256, 128))
im.thumbnail((100, 100))
assert_image(im, im.mode, (100, 50))
self.assert_image(im, im.mode, (100, 50))
im = lena().resize((256, 128))
im.thumbnail((100, 50))
assert_image(im, im.mode, (100, 50))
self.assert_image(im, im.mode, (100, 50))
im = lena().resize((128, 128))
im.thumbnail((100, 100))
assert_image(im, im.mode, (100, 100))
self.assert_image(im, im.mode, (100, 100))
if __name__ == '__main__':
unittest.main()
# End of file

21
Tests/test_image_tobitmap.py
View File

@ -1,15 +1,22 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, fromstring
from PIL import Image
def test_sanity():
class TestImageToBitmap(PillowTestCase):
assert_exception(ValueError, lambda: lena().tobitmap())
assert_no_exception(lambda: lena().convert("1").tobitmap())
def test_sanity(self):
self.assertRaises(ValueError, lambda: lena().tobitmap())
lena().convert("1").tobitmap()
im1 = lena().convert("1")
bitmap = im1.tobitmap()
assert_true(isinstance(bitmap, bytes))
assert_image_equal(im1, fromstring(bitmap))
self.assertIsInstance(bitmap, bytes)
self.assert_image_equal(im1, fromstring(bitmap))
if __name__ == '__main__':
unittest.main()
# End of file

14
Tests/test_image_tobytes.py
View File

@ -1,7 +1,13 @@
from tester import *
from helper import unittest, lena
from PIL import Image
def test_sanity():
class TestImageToBytes(unittest.TestCase):
def test_sanity(self):
data = lena().tobytes()
assert_true(isinstance(data, bytes))
self.assertTrue(isinstance(data, bytes))
if __name__ == '__main__':
unittest.main()
# End of file

57
Tests/test_image_transform.py
View File

@ -1,8 +1,11 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def test_extent():
class TestImageTransform(PillowTestCase):
def test_extent(self):
im = lena('RGB')
(w, h) = im.size
transformed = im.transform(im.size, Image.EXTENT,
@ -10,25 +13,26 @@ def test_extent():
w//2, h//2), # ul -> lr
Image.BILINEAR)
scaled = im.resize((w*2, h*2), Image.BILINEAR).crop((0, 0, w, h))
assert_image_similar(transformed, scaled, 10) # undone -- precision?
# undone -- precision?
self.assert_image_similar(transformed, scaled, 10)
def test_quad():
def test_quad(self):
# one simple quad transform, equivalent to scale & crop upper left quad
im = lena('RGB')
(w, h) = im.size
transformed = im.transform(im.size, Image.QUAD,
(0, 0, 0, h//2,
w//2,h//2,w//2,0), # ul -> ccw around quad
# ul -> ccw around quad:
w//2, h//2, w//2, 0),
Image.BILINEAR)
scaled = im.resize((w*2, h*2), Image.BILINEAR).crop((0, 0, w, h))
assert_image_equal(transformed, scaled)
self.assert_image_equal(transformed, scaled)
def test_mesh():
def test_mesh(self):
# this should be a checkerboard of halfsized lenas in ul, lr
im = lena('RGBA')
(w, h) = im.size
@ -49,20 +53,21 @@ def test_mesh():
checker.paste(scaled, (0, 0))
checker.paste(scaled, (w//2, h//2))
assert_image_equal(transformed, checker)
self.assert_image_equal(transformed, checker)
# now, check to see that the extra area is (0, 0, 0, 0)
blank = Image.new('RGBA', (w//2, h//2), (0, 0, 0, 0))
assert_image_equal(blank, transformed.crop((w//2,0,w,h//2)))
assert_image_equal(blank, transformed.crop((0,h//2,w//2,h)))
self.assert_image_equal(blank, transformed.crop((w//2, 0, w, h//2)))
self.assert_image_equal(blank, transformed.crop((0, h//2, w//2, h)))
def _test_alpha_premult(op):
# create image with half white, half black, with the black half transparent.
def _test_alpha_premult(self, op):
# create image with half white, half black,
# with the black half transparent.
# do op,
# there should be no darkness in the white section.
im = Image.new('RGBA', (10,10), (0,0,0,0));
im2 = Image.new('RGBA', (5,10), (255,255,255,255));
im = Image.new('RGBA', (10, 10), (0, 0, 0, 0))
im2 = Image.new('RGBA', (5, 10), (255, 255, 255, 255))
im.paste(im2, (0, 0))
im = op(im, (40, 10))
@ -70,17 +75,16 @@ def _test_alpha_premult(op):
im_background.paste(im, (0, 0), im)
hist = im_background.histogram()
assert_equal(40*10, hist[-1])
self.assertEqual(40*10, hist[-1])
def test_alpha_premult_resize():
def test_alpha_premult_resize(self):
def op(im, sz):
return im.resize(sz, Image.LINEAR)
_test_alpha_premult(op)
self._test_alpha_premult(op)
def test_alpha_premult_transform():
def test_alpha_premult_transform(self):
def op(im, sz):
(w, h) = im.size
@ -89,10 +93,9 @@ def test_alpha_premult_transform():
w, h),
Image.BILINEAR)
_test_alpha_premult(op)
self._test_alpha_premult(op)
def test_blank_fill():
def test_blank_fill(self):
# attempting to hit
# https://github.com/python-pillow/Pillow/issues/254 reported
#
@ -113,4 +116,10 @@ def test_blank_fill():
# Yeah. Watch some JIT optimize this out.
foo = None
test_mesh()
self.test_mesh()
if __name__ == '__main__':
unittest.main()
# End of file

34
Tests/test_image_transpose.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
@ -8,27 +8,37 @@ ROTATE_90 = Image.ROTATE_90
ROTATE_180 = Image.ROTATE_180
ROTATE_270 = Image.ROTATE_270
def test_sanity():
class TestImageTranspose(PillowTestCase):
def test_sanity(self):
im = lena()
assert_no_exception(lambda: im.transpose(FLIP_LEFT_RIGHT))
assert_no_exception(lambda: im.transpose(FLIP_TOP_BOTTOM))
im.transpose(FLIP_LEFT_RIGHT)
im.transpose(FLIP_TOP_BOTTOM)
assert_no_exception(lambda: im.transpose(ROTATE_90))
assert_no_exception(lambda: im.transpose(ROTATE_180))
assert_no_exception(lambda: im.transpose(ROTATE_270))
im.transpose(ROTATE_90)
im.transpose(ROTATE_180)
im.transpose(ROTATE_270)
def test_roundtrip():
def test_roundtrip(self):
im = lena()
def transpose(first, second):
return im.transpose(first).transpose(second)
assert_image_equal(im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT))
assert_image_equal(im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM))
self.assert_image_equal(
im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT))
self.assert_image_equal(
im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM))
assert_image_equal(im, transpose(ROTATE_90, ROTATE_270))
assert_image_equal(im, transpose(ROTATE_180, ROTATE_180))
self.assert_image_equal(im, transpose(ROTATE_90, ROTATE_270))
self.assert_image_equal(im, transpose(ROTATE_180, ROTATE_180))
if __name__ == '__main__':
unittest.main()
# End of file

42
Tests/test_imagechops.py
View File

@ -1,9 +1,12 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageChops
def test_sanity():
class TestImageChops(PillowTestCase):
def test_sanity(self):
im = lena("L")
@ -32,7 +35,7 @@ def test_sanity():
ImageChops.offset(im, 10)
ImageChops.offset(im, 10, 20)
def test_logical():
def test_logical(self):
def table(op, a, b):
out = []
@ -43,14 +46,29 @@ def test_logical():
out.append(op(imx, imy).getpixel((0, 0)))
return tuple(out)
assert_equal(table(ImageChops.logical_and, 0, 1), (0, 0, 0, 255))
assert_equal(table(ImageChops.logical_or, 0, 1), (0, 255, 255, 255))
assert_equal(table(ImageChops.logical_xor, 0, 1), (0, 255, 255, 0))
self.assertEqual(
table(ImageChops.logical_and, 0, 1), (0, 0, 0, 255))
self.assertEqual(
table(ImageChops.logical_or, 0, 1), (0, 255, 255, 255))
self.assertEqual(
table(ImageChops.logical_xor, 0, 1), (0, 255, 255, 0))
assert_equal(table(ImageChops.logical_and, 0, 128), (0, 0, 0, 255))
assert_equal(table(ImageChops.logical_or, 0, 128), (0, 255, 255, 255))
assert_equal(table(ImageChops.logical_xor, 0, 128), (0, 255, 255, 0))
self.assertEqual(
table(ImageChops.logical_and, 0, 128), (0, 0, 0, 255))
self.assertEqual(
table(ImageChops.logical_or, 0, 128), (0, 255, 255, 255))
self.assertEqual(
table(ImageChops.logical_xor, 0, 128), (0, 255, 255, 0))
assert_equal(table(ImageChops.logical_and, 0, 255), (0, 0, 0, 255))
assert_equal(table(ImageChops.logical_or, 0, 255), (0, 255, 255, 255))
assert_equal(table(ImageChops.logical_xor, 0, 255), (0, 255, 255, 0))
self.assertEqual(
table(ImageChops.logical_and, 0, 255), (0, 0, 0, 255))
self.assertEqual(
table(ImageChops.logical_or, 0, 255), (0, 255, 255, 255))
self.assertEqual(
table(ImageChops.logical_xor, 0, 255), (0, 255, 255, 0))
if __name__ == '__main__':
unittest.main()
# End of file

163
Tests/test_imagecms.py
View File

@ -1,146 +1,152 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
try:
from PIL import ImageCms
ImageCms.core.profile_open
except ImportError:
skip()
except ImportError as v:
# Skipped via setUp()
pass
SRGB = "Tests/icc/sRGB.icm"
def test_sanity():
class TestImageCms(PillowTestCase):
def setUp(self):
try:
from PIL import ImageCms
except ImportError as v:
self.skipTest(v)
def test_sanity(self):
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
assert_equal(v[0], '1.0.0 pil')
assert_equal(list(map(type, v)), [str, str, str, str])
self.assertEqual(v[0], '1.0.0 pil')
self.assertEqual(list(map(type, v)), [str, str, str, str])
# internal version number
assert_match(ImageCms.core.littlecms_version, "\d+\.\d+$")
self.assertRegexpMatches(ImageCms.core.littlecms_version, "\d+\.\d+$")
i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
i = lena()
ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
i = lena()
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(lena(), t, inPlace=True)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert_equal(t.inputMode, "RGB")
assert_equal(t.outputMode, "RGB")
self.assertEqual(t.inputMode, "RGB")
self.assertEqual(t.outputMode, "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
self.assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
lena().point(t)
def test_name():
def test_name(self):
# get profile information for file
assert_equal(ImageCms.getProfileName(SRGB).strip(),
self.assertEqual(
ImageCms.getProfileName(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
def test_info():
assert_equal(ImageCms.getProfileInfo(SRGB).splitlines(),
['sRGB IEC61966-2.1', '',
def test_info(self):
self.assertEqual(
ImageCms.getProfileInfo(SRGB).splitlines(), [
'sRGB IEC61966-2.1', '',
'Copyright (c) 1998 Hewlett-Packard Company', ''])
def test_copyright():
assert_equal(ImageCms.getProfileCopyright(SRGB).strip(),
def test_copyright(self):
self.assertEqual(
ImageCms.getProfileCopyright(SRGB).strip(),
'Copyright (c) 1998 Hewlett-Packard Company')
def test_manufacturer():
assert_equal(ImageCms.getProfileManufacturer(SRGB).strip(),
def test_manufacturer(self):
self.assertEqual(
ImageCms.getProfileManufacturer(SRGB).strip(),
'IEC http://www.iec.ch')
def test_model():
assert_equal(ImageCms.getProfileModel(SRGB).strip(),
def test_model(self):
self.assertEqual(
ImageCms.getProfileModel(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
def test_description():
assert_equal(ImageCms.getProfileDescription(SRGB).strip(),
def test_description(self):
self.assertEqual(
ImageCms.getProfileDescription(SRGB).strip(),
'sRGB IEC61966-2.1')
def test_intent():
assert_equal(ImageCms.getDefaultIntent(SRGB), 0)
assert_equal(ImageCms.isIntentSupported(
def test_intent(self):
self.assertEqual(ImageCms.getDefaultIntent(SRGB), 0)
self.assertEqual(ImageCms.isIntentSupported(
SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
def test_profile_object():
def test_profile_object(self):
# same, using profile object
p = ImageCms.createProfile("sRGB")
# assert_equal(ImageCms.getProfileName(p).strip(),
# self.assertEqual(ImageCms.getProfileName(p).strip(),
# 'sRGB built-in - (lcms internal)')
# assert_equal(ImageCms.getProfileInfo(p).splitlines(),
# self.assertEqual(ImageCms.getProfileInfo(p).splitlines(),
# ['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', ''])
assert_equal(ImageCms.getDefaultIntent(p), 0)
assert_equal(ImageCms.isIntentSupported(
self.assertEqual(ImageCms.getDefaultIntent(p), 0)
self.assertEqual(ImageCms.isIntentSupported(
p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
def test_extensions():
def test_extensions(self):
# extensions
from io import BytesIO
i = Image.open("Tests/images/rgb.jpg")
p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"]))
assert_equal(ImageCms.getProfileName(p).strip(),
self.assertEqual(
ImageCms.getProfileName(p).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
def test_exceptions():
def test_exceptions(self):
# the procedural pyCMS API uses PyCMSError for all sorts of errors
assert_exception(
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.profileToProfile(lena(), "foo", "bar"))
assert_exception(
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB"))
assert_exception(
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.getProfileName(None))
assert_exception(
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.isIntentSupported(SRGB, None, None))
def test_display_profile():
def test_display_profile(self):
# try fetching the profile for the current display device
assert_no_exception(lambda: ImageCms.get_display_profile())
ImageCms.get_display_profile()
def test_lab_color_profile():
def test_lab_color_profile(self):
ImageCms.createProfile("LAB", 5000)
ImageCms.createProfile("LAB", 6500)
def test_simple_lab():
def test_simple_lab(self):
i = Image.new('RGB', (10, 10), (128, 128, 128))
pLab = ImageCms.createProfile("LAB")
@ -148,36 +154,36 @@ def test_simple_lab():
i_lab = ImageCms.applyTransform(i, t)
assert_equal(i_lab.mode, 'LAB')
self.assertEqual(i_lab.mode, 'LAB')
k = i_lab.getpixel((0, 0))
assert_equal(k, (137, 128, 128)) # not a linear luminance map. so L != 128
# not a linear luminance map. so L != 128:
self.assertEqual(k, (137, 128, 128))
L = i_lab.getdata(0)
a = i_lab.getdata(1)
b = i_lab.getdata(2)
assert_equal(list(L), [137] * 100)
assert_equal(list(a), [128] * 100)
assert_equal(list(b), [128] * 100)
self.assertEqual(list(L), [137] * 100)
self.assertEqual(list(a), [128] * 100)
self.assertEqual(list(b), [128] * 100)
def test_lab_color():
def test_lab_color(self):
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(SRGB, pLab, "RGB", "LAB")
# Need to add a type mapping for some PIL type to TYPE_Lab_8 in
# findLCMSType, and have that mapping work back to a PIL mode (likely RGB).
# findLCMSType, and have that mapping work back to a PIL mode
# (likely RGB).
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "LAB", (128, 128))
self.assert_image(i, "LAB", (128, 128))
# i.save('temp.lab.tif') # visually verified vs PS.
target = Image.open('Tests/images/lena.Lab.tif')
assert_image_similar(i, target, 30)
self.assert_image_similar(i, target, 30)
def test_lab_srgb():
def test_lab_srgb(self):
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(pLab, SRGB, "LAB", "RGB")
@ -187,10 +193,9 @@ def test_lab_srgb():
# img_srgb.save('temp.srgb.tif') # visually verified vs ps.
assert_image_similar(lena(), img_srgb, 30)
self.assert_image_similar(lena(), img_srgb, 30)
def test_lab_roundtrip():
def test_lab_roundtrip(self):
# check to see if we're at least internally consistent.
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(SRGB, pLab, "RGB", "LAB")
@ -200,4 +205,10 @@ def test_lab_roundtrip():
i = ImageCms.applyTransform(lena(), t)
out = ImageCms.applyTransform(i, t2)
assert_image_similar(lena(), out, 2)
self.assert_image_similar(lena(), out, 2)
if __name__ == '__main__':
unittest.main()
# End of file

79
Tests/test_imagecolor.py
View File

@ -1,54 +1,71 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageColor
# --------------------------------------------------------------------
# sanity
assert_equal((255, 0, 0), ImageColor.getrgb("#f00"))
assert_equal((255, 0, 0), ImageColor.getrgb("#ff0000"))
assert_equal((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)"))
assert_equal((255, 0, 0), ImageColor.getrgb("rgb(255, 0, 0)"))
assert_equal((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)"))
assert_equal((255, 0, 0), ImageColor.getrgb("hsl(0, 100%, 50%)"))
assert_equal((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)"))
assert_equal((255, 0, 0, 0), ImageColor.getrgb("rgba(255, 0, 0, 0)"))
assert_equal((255, 0, 0), ImageColor.getrgb("red"))
class TestImageColor(PillowTestCase):
def test_sanity(self):
self.assertEqual((255, 0, 0), ImageColor.getrgb("#f00"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("#ff0000"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255, 0, 0)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(0, 100%, 50%)"))
self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)"))
self.assertEqual(
(255, 0, 0, 0), ImageColor.getrgb("rgba(255, 0, 0, 0)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("red"))
# --------------------------------------------------------------------
# look for rounding errors (based on code by Tim Hatch)
def test_rounding_errors(self):
for color in list(ImageColor.colormap.keys()):
expected = Image.new("RGB", (1, 1), color).convert("L").getpixel((0, 0))
expected = Image.new(
"RGB", (1, 1), color).convert("L").getpixel((0, 0))
actual = Image.new("L", (1, 1), color).getpixel((0, 0))
assert_equal(expected, actual)
self.assertEqual(expected, actual)
assert_equal((0, 0, 0), ImageColor.getcolor("black", "RGB"))
assert_equal((255, 255, 255), ImageColor.getcolor("white", "RGB"))
assert_equal((0, 255, 115), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB"))
self.assertEqual((0, 0, 0), ImageColor.getcolor("black", "RGB"))
self.assertEqual((255, 255, 255), ImageColor.getcolor("white", "RGB"))
self.assertEqual(
(0, 255, 115), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB"))
Image.new("RGB", (1, 1), "white")
assert_equal((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA"))
assert_equal((255, 255, 255, 255), ImageColor.getcolor("white", "RGBA"))
assert_equal((0, 255, 115, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA"))
self.assertEqual((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA"))
self.assertEqual(
(255, 255, 255, 255), ImageColor.getcolor("white", "RGBA"))
self.assertEqual(
(0, 255, 115, 33),
ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA"))
Image.new("RGBA", (1, 1), "white")
assert_equal(0, ImageColor.getcolor("black", "L"))
assert_equal(255, ImageColor.getcolor("white", "L"))
assert_equal(162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "L"))
self.assertEqual(0, ImageColor.getcolor("black", "L"))
self.assertEqual(255, ImageColor.getcolor("white", "L"))
self.assertEqual(
162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "L"))
Image.new("L", (1, 1), "white")
assert_equal(0, ImageColor.getcolor("black", "1"))
assert_equal(255, ImageColor.getcolor("white", "1"))
self.assertEqual(0, ImageColor.getcolor("black", "1"))
self.assertEqual(255, ImageColor.getcolor("white", "1"))
# The following test is wrong, but is current behavior
# The correct result should be 255 due to the mode 1
assert_equal(162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
self.assertEqual(
162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
# Correct behavior
# assert_equal(255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
# self.assertEqual(
# 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
Image.new("1", (1, 1), "white")
assert_equal((0, 255), ImageColor.getcolor("black", "LA"))
assert_equal((255, 255), ImageColor.getcolor("white", "LA"))
assert_equal((162, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA"))
self.assertEqual((0, 255), ImageColor.getcolor("black", "LA"))
self.assertEqual((255, 255), ImageColor.getcolor("white", "LA"))
self.assertEqual(
(162, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA"))
Image.new("LA", (1, 1), "white")
if __name__ == '__main__':
unittest.main()
# End of file

171
Tests/test_imagedraw.py
View File

@ -1,9 +1,11 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageColor
from PIL import ImageDraw
import sys
# Image size
w, h = 100, 100
@ -22,8 +24,9 @@ points1 = [(10, 10), (20, 40), (30, 30)]
points2 = [10, 10, 20, 40, 30, 30]
def test_sanity():
class TestImageDraw(PillowTestCase):
def test_sanity(self):
im = lena("RGB").copy()
draw = ImageDraw.ImageDraw(im)
@ -34,20 +37,15 @@ def test_sanity():
draw.polygon(list(range(100)))
draw.rectangle(list(range(4)))
success()
def test_deprecated():
def test_deprecated(self):
im = lena().copy()
draw = ImageDraw.Draw(im)
assert_warning(DeprecationWarning, lambda: draw.setink(0))
assert_warning(DeprecationWarning, lambda: draw.setfill(0))
self.assert_warning(DeprecationWarning, lambda: draw.setink(0))
self.assert_warning(DeprecationWarning, lambda: draw.setfill(0))
def helper_arc(bbox):
def helper_arc(self, bbox):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -58,18 +56,16 @@ def helper_arc(bbox):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_arc.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_arc.png"))
def test_arc1(self):
self.helper_arc(bbox1)
def test_arc1():
helper_arc(bbox1)
def test_arc2(self):
self.helper_arc(bbox2)
def test_arc2():
helper_arc(bbox2)
def test_bitmap():
def test_bitmap(self):
# Arrange
small = Image.open("Tests/images/pil123rgba.png").resize((50, 50))
im = Image.new("RGB", (w, h))
@ -80,10 +76,10 @@ def test_bitmap():
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_bitmap.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_bitmap.png"))
def helper_chord(bbox):
def helper_chord(self, bbox):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -93,18 +89,16 @@ def helper_chord(bbox):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_chord.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_chord.png"))
def test_chord1(self):
self.helper_chord(bbox1)
def test_chord1():
helper_chord(bbox1)
def test_chord2(self):
self.helper_chord(bbox2)
def test_chord2():
helper_chord(bbox2)
def helper_ellipse(bbox):
def helper_ellipse(self, bbox):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -114,18 +108,16 @@ def helper_ellipse(bbox):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_ellipse.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_ellipse.png"))
def test_ellipse1(self):
self.helper_ellipse(bbox1)
def test_ellipse1():
helper_ellipse(bbox1)
def test_ellipse2(self):
self.helper_ellipse(bbox2)
def test_ellipse2():
helper_ellipse(bbox2)
def helper_line(points):
def helper_line(self, points):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -135,18 +127,16 @@ def helper_line(points):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_line.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_line.png"))
def test_line1(self):
self.helper_line(points1)
def test_line1():
helper_line(points1)
def test_line2(self):
self.helper_line(points2)
def test_line2():
helper_line(points2)
def helper_pieslice(bbox):
def helper_pieslice(self, bbox):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -156,18 +146,16 @@ def helper_pieslice(bbox):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_pieslice.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_pieslice.png"))
def test_pieslice1(self):
self.helper_pieslice(bbox1)
def test_pieslice1():
helper_pieslice(bbox1)
def test_pieslice2(self):
self.helper_pieslice(bbox2)
def test_pieslice2():
helper_pieslice(bbox2)
def helper_point(points):
def helper_point(self, points):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -177,18 +165,16 @@ def helper_point(points):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_point.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_point.png"))
def test_point1(self):
self.helper_point(points1)
def test_point1():
helper_point(points1)
def test_point2(self):
self.helper_point(points2)
def test_point2():
helper_point(points2)
def helper_polygon(points):
def helper_polygon(self, points):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -198,18 +184,16 @@ def helper_polygon(points):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_polygon.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_polygon.png"))
def test_polygon1(self):
self.helper_polygon(points1)
def test_polygon1():
helper_polygon(points1)
def test_polygon2(self):
self.helper_polygon(points2)
def test_polygon2():
helper_polygon(points2)
def helper_rectangle(bbox):
def helper_rectangle(self, bbox):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -219,18 +203,16 @@ def helper_rectangle(bbox):
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_rectangle.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_rectangle.png"))
def test_rectangle1(self):
self.helper_rectangle(bbox1)
def test_rectangle1():
helper_rectangle(bbox1)
def test_rectangle2(self):
self.helper_rectangle(bbox2)
def test_rectangle2():
helper_rectangle(bbox2)
def test_floodfill():
def test_floodfill(self):
# Arrange
im = Image.new("RGB", (w, h))
draw = ImageDraw.Draw(im)
@ -242,14 +224,13 @@ def test_floodfill():
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_floodfill.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_floodfill.png"))
def test_floodfill_border():
@unittest.skipIf(hasattr(sys, 'pypy_version_info'),
"Causes fatal RPython error on PyPy")
def test_floodfill_border(self):
# floodfill() is experimental
if hasattr(sys, 'pypy_version_info'):
# Causes fatal RPython error on PyPy
skip()
# Arrange
im = Image.new("RGB", (w, h))
@ -264,7 +245,11 @@ def test_floodfill_border():
del draw
# Assert
assert_image_equal(im, Image.open("Tests/images/imagedraw_floodfill2.png"))
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_floodfill2.png"))
if __name__ == '__main__':
unittest.main()
# End of file

25
Tests/test_imageenhance.py
View File

@ -1,19 +1,28 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageEnhance
def test_sanity():
class TestImageEnhance(PillowTestCase):
def test_sanity(self):
# FIXME: assert_image
assert_no_exception(lambda: ImageEnhance.Color(lena()).enhance(0.5))
assert_no_exception(lambda: ImageEnhance.Contrast(lena()).enhance(0.5))
assert_no_exception(lambda: ImageEnhance.Brightness(lena()).enhance(0.5))
assert_no_exception(lambda: ImageEnhance.Sharpness(lena()).enhance(0.5))
# Implicit asserts no exception:
ImageEnhance.Color(lena()).enhance(0.5)
ImageEnhance.Contrast(lena()).enhance(0.5)
ImageEnhance.Brightness(lena()).enhance(0.5)
ImageEnhance.Sharpness(lena()).enhance(0.5)
def test_crash():
def test_crash(self):
# crashes on small images
im = Image.new("RGB", (1, 1))
assert_no_exception(lambda: ImageEnhance.Sharpness(im).enhance(0.5))
ImageEnhance.Sharpness(im).enhance(0.5)
if __name__ == '__main__':
unittest.main()
# End of file

55
Tests/test_imagefile.py
View File

@ -1,16 +1,22 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, fromstring, tostring
from io import BytesIO
from PIL import Image
from PIL import ImageFile
from PIL import EpsImagePlugin
codecs = dir(Image.core)
# save original block sizes
MAXBLOCK = ImageFile.MAXBLOCK
SAFEBLOCK = ImageFile.SAFEBLOCK
def test_parser():
class TestImagePutData(PillowTestCase):
def test_parser(self):
def roundtrip(format):
@ -30,48 +36,47 @@ def test_parser():
return im, imOut
assert_image_equal(*roundtrip("BMP"))
assert_image_equal(*roundtrip("GIF"))
assert_image_equal(*roundtrip("IM"))
assert_image_equal(*roundtrip("MSP"))
self.assert_image_equal(*roundtrip("BMP"))
self.assert_image_equal(*roundtrip("GIF"))
self.assert_image_equal(*roundtrip("IM"))
self.assert_image_equal(*roundtrip("MSP"))
if "zip_encoder" in codecs:
try:
# force multiple blocks in PNG driver
ImageFile.MAXBLOCK = 8192
assert_image_equal(*roundtrip("PNG"))
self.assert_image_equal(*roundtrip("PNG"))
finally:
ImageFile.MAXBLOCK = MAXBLOCK
assert_image_equal(*roundtrip("PPM"))
assert_image_equal(*roundtrip("TIFF"))
assert_image_equal(*roundtrip("XBM"))
assert_image_equal(*roundtrip("TGA"))
assert_image_equal(*roundtrip("PCX"))
self.assert_image_equal(*roundtrip("PPM"))
self.assert_image_equal(*roundtrip("TIFF"))
self.assert_image_equal(*roundtrip("XBM"))
self.assert_image_equal(*roundtrip("TGA"))
self.assert_image_equal(*roundtrip("PCX"))
if EpsImagePlugin.has_ghostscript():
im1, im2 = roundtrip("EPS")
assert_image_similar(im1, im2.convert('L'),20) # EPS comes back in RGB
# EPS comes back in RGB:
self.assert_image_similar(im1, im2.convert('L'), 20)
if "jpeg_encoder" in codecs:
im1, im2 = roundtrip("JPEG") # lossy compression
assert_image(im1, im2.mode, im2.size)
self.assert_image(im1, im2.mode, im2.size)
# XXX Why assert exception and why does it fail?
# https://github.com/python-pillow/Pillow/issues/78
#assert_exception(IOError, lambda: roundtrip("PDF"))
self.assertRaises(IOError, lambda: roundtrip("PDF"))
def test_ico():
def test_ico(self):
with open('Tests/images/python.ico', 'rb') as f:
data = f.read()
p = ImageFile.Parser()
p.feed(data)
assert_equal((48,48), p.image.size)
self.assertEqual((48, 48), p.image.size)
def test_safeblock():
def test_safeblock(self):
im1 = lena()
if "zip_encoder" not in codecs:
skip("PNG (zlib) encoder not available")
self.skipTest("PNG (zlib) encoder not available")
try:
ImageFile.SAFEBLOCK = 1
@ -79,4 +84,10 @@ def test_safeblock():
finally:
ImageFile.SAFEBLOCK = SAFEBLOCK
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
if __name__ == '__main__':
unittest.main()
# End of file

17
Tests/test_imagefileio.py
View File

@ -1,16 +1,21 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena, tostring
from PIL import Image
from PIL import ImageFileIO
def test_fileio():
class TestImageFileIo(PillowTestCase):
def test_fileio(self):
class DumbFile:
def __init__(self, data):
self.data = data
def read(self, bytes=None):
assert_equal(bytes, None)
assert(bytes is None)
return self.data
def close(self):
pass
@ -19,6 +24,10 @@ def test_fileio():
io = ImageFileIO.ImageFileIO(DumbFile(tostring(im1, "PPM")))
im2 = Image.open(io)
assert_image_equal(im1, im2)
self.assert_image_equal(im1, im2)
if __name__ == '__main__':
unittest.main()
# End of file

50
Tests/test_imagefilter.py
View File

@ -1,31 +1,37 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageFilter
def test_sanity():
class TestImageFilter(PillowTestCase):
def test_sanity(self):
# see test_image_filter for more tests
assert_no_exception(lambda: ImageFilter.MaxFilter)
assert_no_exception(lambda: ImageFilter.MedianFilter)
assert_no_exception(lambda: ImageFilter.MinFilter)
assert_no_exception(lambda: ImageFilter.ModeFilter)
assert_no_exception(lambda: ImageFilter.Kernel((3, 3), list(range(9))))
assert_no_exception(lambda: ImageFilter.GaussianBlur)
assert_no_exception(lambda: ImageFilter.GaussianBlur(5))
assert_no_exception(lambda: ImageFilter.UnsharpMask)
assert_no_exception(lambda: ImageFilter.UnsharpMask(10))
# Check these run. Exceptions cause failures.
ImageFilter.MaxFilter
ImageFilter.MedianFilter
ImageFilter.MinFilter
ImageFilter.ModeFilter
ImageFilter.Kernel((3, 3), list(range(9)))
ImageFilter.GaussianBlur
ImageFilter.GaussianBlur(5)
ImageFilter.UnsharpMask
ImageFilter.UnsharpMask(10)
assert_no_exception(lambda: ImageFilter.BLUR)
assert_no_exception(lambda: ImageFilter.CONTOUR)
assert_no_exception(lambda: ImageFilter.DETAIL)
assert_no_exception(lambda: ImageFilter.EDGE_ENHANCE)
assert_no_exception(lambda: ImageFilter.EDGE_ENHANCE_MORE)
assert_no_exception(lambda: ImageFilter.EMBOSS)
assert_no_exception(lambda: ImageFilter.FIND_EDGES)
assert_no_exception(lambda: ImageFilter.SMOOTH)
assert_no_exception(lambda: ImageFilter.SMOOTH_MORE)
assert_no_exception(lambda: ImageFilter.SHARPEN)
ImageFilter.BLUR
ImageFilter.CONTOUR
ImageFilter.DETAIL
ImageFilter.EDGE_ENHANCE
ImageFilter.EDGE_ENHANCE_MORE
ImageFilter.EMBOSS
ImageFilter.FIND_EDGES
ImageFilter.SMOOTH
ImageFilter.SMOOTH_MORE
ImageFilter.SHARPEN
if __name__ == '__main__':
unittest.main()
# End of file

106
Tests/test_imagefont.py
View File

@ -1,51 +1,54 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageDraw
from io import BytesIO
import os
try:
from PIL import ImageFont
ImageFont.core.getfont # check if freetype is available
except ImportError:
skip()
from PIL import ImageDraw
font_path = "Tests/fonts/FreeMono.ttf"
font_size = 20
def test_sanity():
assert_match(ImageFont.core.freetype2_version, "\d+\.\d+\.\d+$")
def test_font_with_name():
assert_no_exception(lambda: ImageFont.truetype(font_path, font_size))
assert_no_exception(lambda: _render(font_path))
_clean()
try:
from PIL import ImageFont
ImageFont.core.getfont # check if freetype is available
def _font_as_bytes():
class TestImageFont(PillowTestCase):
def test_sanity(self):
self.assertRegexpMatches(
ImageFont.core.freetype2_version, "\d+\.\d+\.\d+$")
def test_font_with_name(self):
ImageFont.truetype(font_path, font_size)
self._render(font_path)
self._clean()
def _font_as_bytes(self):
with open(font_path, 'rb') as f:
font_bytes = BytesIO(f.read())
return font_bytes
def test_font_with_filelike():
assert_no_exception(lambda: ImageFont.truetype(_font_as_bytes(), font_size))
assert_no_exception(lambda: _render(_font_as_bytes()))
def test_font_with_filelike(self):
ImageFont.truetype(self._font_as_bytes(), font_size)
self._render(self._font_as_bytes())
# Usage note: making two fonts from the same buffer fails.
#shared_bytes = _font_as_bytes()
#assert_no_exception(lambda: _render(shared_bytes))
#assert_exception(Exception, lambda: _render(shared_bytes))
_clean()
# shared_bytes = self._font_as_bytes()
# self._render(shared_bytes)
# self.assertRaises(Exception, lambda: _render(shared_bytes))
self._clean()
def test_font_with_open_file():
def test_font_with_open_file(self):
with open(font_path, 'rb') as f:
assert_no_exception(lambda: _render(f))
_clean()
self._render(f)
self._clean()
def test_font_old_parameters():
assert_warning(DeprecationWarning, lambda: ImageFont.truetype(filename=font_path, size=font_size))
def test_font_old_parameters(self):
self.assert_warning(
DeprecationWarning,
lambda: ImageFont.truetype(filename=font_path, size=font_size))
def _render(font):
def _render(self, font):
txt = "Hello World!"
ttf = ImageFont.truetype(font, font_size)
w, h = ttf.getsize(txt)
@ -56,20 +59,19 @@ def _render(font):
img.save('font.png')
return img
def _clean():
def _clean(self):
os.unlink('font.png')
def test_render_equal():
img_path = _render(font_path)
def test_render_equal(self):
img_path = self._render(font_path)
with open(font_path, 'rb') as f:
font_filelike = BytesIO(f.read())
img_filelike = _render(font_filelike)
img_filelike = self._render(font_filelike)
assert_image_equal(img_path, img_filelike)
_clean()
self.assert_image_equal(img_path, img_filelike)
self._clean()
def test_render_multiline():
def test_render_multiline(self):
im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im)
ttf = ImageFont.truetype(font_path, font_size)
@ -80,24 +82,23 @@ def test_render_multiline():
draw.text((0, y), line, font=ttf)
y += line_spacing
target = 'Tests/images/multiline_text.png'
target_img = Image.open(target)
# some versions of freetype have different horizontal spacing.
# setting a tight epsilon, I'm showing the original test failure
# at epsilon = ~38.
assert_image_similar(im, target_img,.5)
self.assert_image_similar(im, target_img, .5)
def test_rotated_transposed_font():
def test_rotated_transposed_font(self):
img_grey = Image.new("L", (100, 100))
draw = ImageDraw.Draw(img_grey)
word = "testing"
font = ImageFont.truetype(font_path, font_size)
orientation = Image.ROTATE_90
transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
transposed_font = ImageFont.TransposedFont(
font, orientation=orientation)
# Original font
draw.setfont(font)
@ -108,18 +109,18 @@ def test_rotated_transposed_font():
box_size_b = draw.textsize(word)
# Check (w,h) of box a is (h,w) of box b
assert_equal(box_size_a[0], box_size_b[1])
assert_equal(box_size_a[1], box_size_b[0])
self.assertEqual(box_size_a[0], box_size_b[1])
self.assertEqual(box_size_a[1], box_size_b[0])
def test_unrotated_transposed_font():
def test_unrotated_transposed_font(self):
img_grey = Image.new("L", (100, 100))
draw = ImageDraw.Draw(img_grey)
word = "testing"
font = ImageFont.truetype(font_path, font_size)
orientation = None
transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
transposed_font = ImageFont.TransposedFont(
font, orientation=orientation)
# Original font
draw.setfont(font)
@ -130,6 +131,15 @@ def test_unrotated_transposed_font():
box_size_b = draw.textsize(word)
# Check boxes a and b are same size
assert_equal(box_size_a, box_size_b)
self.assertEqual(box_size_a, box_size_b)
except ImportError:
class TestImageFont(PillowTestCase):
def test_skip(self):
self.skipTest("ImportError")
if __name__ == '__main__':
unittest.main()
# End of file

24
Tests/test_imagegrab.py
View File

@ -1,13 +1,25 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
try:
from PIL import ImageGrab
except ImportError as v:
skip(v)
def test_grab():
class TestImageCopy(PillowTestCase):
def test_grab(self):
im = ImageGrab.grab()
assert_image(im, im.mode, im.size)
self.assert_image(im, im.mode, im.size)
def test_grab2(self):
im = ImageGrab.grab()
self.assert_image(im, im.mode, im.size)
except ImportError:
class TestImageCopy(PillowTestCase):
def test_skip(self):
self.skipTest("ImportError")
if __name__ == '__main__':
unittest.main()
# End of file

88
Tests/test_imagemath.py
View File

@ -1,8 +1,9 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageMath
def pixel(im):
if hasattr(im, "im"):
return "%s %r" % (im.mode, im.getpixel((0, 0)))
@ -18,45 +19,60 @@ I = Image.new("I", (1, 1), 4)
images = {"A": A, "B": B, "F": F, "I": I}
def test_sanity():
assert_equal(ImageMath.eval("1"), 1)
assert_equal(ImageMath.eval("1+A", A=2), 3)
assert_equal(pixel(ImageMath.eval("A+B", A=A, B=B)), "I 3")
assert_equal(pixel(ImageMath.eval("A+B", images)), "I 3")
assert_equal(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
assert_equal(pixel(ImageMath.eval("int(float(A)+B)", images)), "I 3")
def test_ops():
class TestImageMath(PillowTestCase):
assert_equal(pixel(ImageMath.eval("-A", images)), "I -1")
assert_equal(pixel(ImageMath.eval("+B", images)), "L 2")
def test_sanity(self):
self.assertEqual(ImageMath.eval("1"), 1)
self.assertEqual(ImageMath.eval("1+A", A=2), 3)
self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B)), "I 3")
self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3")
self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
self.assertEqual(pixel(
ImageMath.eval("int(float(A)+B)", images)), "I 3")
assert_equal(pixel(ImageMath.eval("A+B", images)), "I 3")
assert_equal(pixel(ImageMath.eval("A-B", images)), "I -1")
assert_equal(pixel(ImageMath.eval("A*B", images)), "I 2")
assert_equal(pixel(ImageMath.eval("A/B", images)), "I 0")
assert_equal(pixel(ImageMath.eval("B**2", images)), "I 4")
assert_equal(pixel(ImageMath.eval("B**33", images)), "I 2147483647")
def test_ops(self):
assert_equal(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
assert_equal(pixel(ImageMath.eval("float(A)-B", images)), "F -1.0")
assert_equal(pixel(ImageMath.eval("float(A)*B", images)), "F 2.0")
assert_equal(pixel(ImageMath.eval("float(A)/B", images)), "F 0.5")
assert_equal(pixel(ImageMath.eval("float(B)**2", images)), "F 4.0")
assert_equal(pixel(ImageMath.eval("float(B)**33", images)), "F 8589934592.0")
self.assertEqual(pixel(ImageMath.eval("-A", images)), "I -1")
self.assertEqual(pixel(ImageMath.eval("+B", images)), "L 2")
def test_logical():
assert_equal(pixel(ImageMath.eval("not A", images)), 0)
assert_equal(pixel(ImageMath.eval("A and B", images)), "L 2")
assert_equal(pixel(ImageMath.eval("A or B", images)), "L 1")
self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3")
self.assertEqual(pixel(ImageMath.eval("A-B", images)), "I -1")
self.assertEqual(pixel(ImageMath.eval("A*B", images)), "I 2")
self.assertEqual(pixel(ImageMath.eval("A/B", images)), "I 0")
self.assertEqual(pixel(ImageMath.eval("B**2", images)), "I 4")
self.assertEqual(pixel(
ImageMath.eval("B**33", images)), "I 2147483647")
def test_convert():
assert_equal(pixel(ImageMath.eval("convert(A+B, 'L')", images)), "L 3")
assert_equal(pixel(ImageMath.eval("convert(A+B, '1')", images)), "1 0")
assert_equal(pixel(ImageMath.eval("convert(A+B, 'RGB')", images)), "RGB (3, 3, 3)")
self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
self.assertEqual(pixel(ImageMath.eval("float(A)-B", images)), "F -1.0")
self.assertEqual(pixel(ImageMath.eval("float(A)*B", images)), "F 2.0")
self.assertEqual(pixel(ImageMath.eval("float(A)/B", images)), "F 0.5")
self.assertEqual(pixel(ImageMath.eval("float(B)**2", images)), "F 4.0")
self.assertEqual(pixel(
ImageMath.eval("float(B)**33", images)), "F 8589934592.0")
def test_compare():
assert_equal(pixel(ImageMath.eval("min(A, B)", images)), "I 1")
assert_equal(pixel(ImageMath.eval("max(A, B)", images)), "I 2")
assert_equal(pixel(ImageMath.eval("A == 1", images)), "I 1")
assert_equal(pixel(ImageMath.eval("A == 2", images)), "I 0")
def test_logical(self):
self.assertEqual(pixel(ImageMath.eval("not A", images)), 0)
self.assertEqual(pixel(ImageMath.eval("A and B", images)), "L 2")
self.assertEqual(pixel(ImageMath.eval("A or B", images)), "L 1")
def test_convert(self):
self.assertEqual(pixel(
ImageMath.eval("convert(A+B, 'L')", images)), "L 3")
self.assertEqual(pixel(
ImageMath.eval("convert(A+B, '1')", images)), "1 0")
self.assertEqual(pixel(
ImageMath.eval("convert(A+B, 'RGB')", images)), "RGB (3, 3, 3)")
def test_compare(self):
self.assertEqual(pixel(ImageMath.eval("min(A, B)", images)), "I 1")
self.assertEqual(pixel(ImageMath.eval("max(A, B)", images)), "I 2")
self.assertEqual(pixel(ImageMath.eval("A == 1", images)), "I 1")
self.assertEqual(pixel(ImageMath.eval("A == 2", images)), "I 0")
if __name__ == '__main__':
unittest.main()
# End of file

29
Tests/test_imagemode.py
View File

@ -1,8 +1,11 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageMode
class TestImageMode(PillowTestCase):
def test_sanity(self):
ImageMode.getmode("1")
ImageMode.getmode("L")
ImageMode.getmode("P")
@ -11,13 +14,19 @@ ImageMode.getmode("I")
ImageMode.getmode("F")
m = ImageMode.getmode("1")
assert_equal(m.mode, "1")
assert_equal(m.bands, ("1",))
assert_equal(m.basemode, "L")
assert_equal(m.basetype, "L")
self.assertEqual(m.mode, "1")
self.assertEqual(m.bands, ("1",))
self.assertEqual(m.basemode, "L")
self.assertEqual(m.basetype, "L")
m = ImageMode.getmode("RGB")
assert_equal(m.mode, "RGB")
assert_equal(m.bands, ("R", "G", "B"))
assert_equal(m.basemode, "RGB")
assert_equal(m.basetype, "L")
self.assertEqual(m.mode, "RGB")
self.assertEqual(m.bands, ("R", "G", "B"))
self.assertEqual(m.basemode, "RGB")
self.assertEqual(m.basetype, "L")
if __name__ == '__main__':
unittest.main()
# End of file

30
Tests/test_imageops.py
View File

@ -1,8 +1,10 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageOps
class TestImageOps(PillowTestCase):
class Deformer:
def getmesh(self, im):
x, y = im.size
@ -10,7 +12,7 @@ class Deformer:
deformer = Deformer()
def test_sanity():
def test_sanity(self):
ImageOps.autocontrast(lena("L"))
ImageOps.autocontrast(lena("RGB"))
@ -24,8 +26,8 @@ def test_sanity():
ImageOps.crop(lena("L"), 1)
ImageOps.crop(lena("RGB"), 1)
ImageOps.deform(lena("L"), deformer)
ImageOps.deform(lena("RGB"), deformer)
ImageOps.deform(lena("L"), self.deformer)
ImageOps.deform(lena("RGB"), self.deformer)
ImageOps.equalize(lena("L"))
ImageOps.equalize(lena("RGB"))
@ -56,20 +58,18 @@ def test_sanity():
ImageOps.solarize(lena("L"))
ImageOps.solarize(lena("RGB"))
success()
def test_1pxfit():
def test_1pxfit(self):
# Division by zero in equalize if image is 1 pixel high
newimg = ImageOps.fit(lena("RGB").resize((1, 1)), (35, 35))
assert_equal(newimg.size,(35,35))
self.assertEqual(newimg.size, (35, 35))
newimg = ImageOps.fit(lena("RGB").resize((1, 100)), (35, 35))
assert_equal(newimg.size,(35,35))
self.assertEqual(newimg.size, (35, 35))
newimg = ImageOps.fit(lena("RGB").resize((100, 1)), (35, 35))
assert_equal(newimg.size,(35,35))
self.assertEqual(newimg.size, (35, 35))
def test_pil163():
def test_pil163(self):
# Division by zero in equalize if < 255 pixels in image (@PIL163)
i = lena("RGB").resize((15, 16))
@ -78,4 +78,8 @@ def test_pil163():
ImageOps.equalize(i.convert("P"))
ImageOps.equalize(i.convert("RGB"))
success()
if __name__ == '__main__':
unittest.main()
# End of file

67
Tests/test_imageops_usm.py
View File

@ -1,4 +1,4 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageOps
@ -6,50 +6,59 @@ from PIL import ImageFilter
im = Image.open("Images/lena.ppm")
def test_ops_api():
class TestImageOpsUsm(PillowTestCase):
def test_ops_api(self):
i = ImageOps.gaussian_blur(im, 2.0)
assert_equal(i.mode, "RGB")
assert_equal(i.size, (128, 128))
self.assertEqual(i.mode, "RGB")
self.assertEqual(i.size, (128, 128))
# i.save("blur.bmp")
i = ImageOps.usm(im, 2.0, 125, 8)
assert_equal(i.mode, "RGB")
assert_equal(i.size, (128, 128))
self.assertEqual(i.mode, "RGB")
self.assertEqual(i.size, (128, 128))
# i.save("usm.bmp")
def test_filter_api():
def test_filter_api(self):
filter = ImageFilter.GaussianBlur(2.0)
i = im.filter(filter)
assert_equal(i.mode, "RGB")
assert_equal(i.size, (128, 128))
self.assertEqual(i.mode, "RGB")
self.assertEqual(i.size, (128, 128))
filter = ImageFilter.UnsharpMask(2.0, 125, 8)
i = im.filter(filter)
assert_equal(i.mode, "RGB")
assert_equal(i.size, (128, 128))
self.assertEqual(i.mode, "RGB")
self.assertEqual(i.size, (128, 128))
def test_usm():
def test_usm(self):
usm = ImageOps.unsharp_mask
assert_exception(ValueError, lambda: usm(im.convert("1")))
assert_no_exception(lambda: usm(im.convert("L")))
assert_exception(ValueError, lambda: usm(im.convert("I")))
assert_exception(ValueError, lambda: usm(im.convert("F")))
assert_no_exception(lambda: usm(im.convert("RGB")))
assert_no_exception(lambda: usm(im.convert("RGBA")))
assert_no_exception(lambda: usm(im.convert("CMYK")))
assert_exception(ValueError, lambda: usm(im.convert("YCbCr")))
self.assertRaises(ValueError, lambda: usm(im.convert("1")))
usm(im.convert("L"))
self.assertRaises(ValueError, lambda: usm(im.convert("I")))
self.assertRaises(ValueError, lambda: usm(im.convert("F")))
usm(im.convert("RGB"))
usm(im.convert("RGBA"))
usm(im.convert("CMYK"))
self.assertRaises(ValueError, lambda: usm(im.convert("YCbCr")))
def test_blur():
def test_blur(self):
blur = ImageOps.gaussian_blur
assert_exception(ValueError, lambda: blur(im.convert("1")))
assert_no_exception(lambda: blur(im.convert("L")))
assert_exception(ValueError, lambda: blur(im.convert("I")))
assert_exception(ValueError, lambda: blur(im.convert("F")))
assert_no_exception(lambda: blur(im.convert("RGB")))
assert_no_exception(lambda: blur(im.convert("RGBA")))
assert_no_exception(lambda: blur(im.convert("CMYK")))
assert_exception(ValueError, lambda: blur(im.convert("YCbCr")))
self.assertRaises(ValueError, lambda: blur(im.convert("1")))
blur(im.convert("L"))
self.assertRaises(ValueError, lambda: blur(im.convert("I")))
self.assertRaises(ValueError, lambda: blur(im.convert("F")))
blur(im.convert("RGB"))
blur(im.convert("RGBA"))
blur(im.convert("CMYK"))
self.assertRaises(ValueError, lambda: blur(im.convert("YCbCr")))
if __name__ == '__main__':
unittest.main()
# End of file

32
Tests/test_imagepalette.py
View File

@ -1,16 +1,19 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImagePalette
ImagePalette = ImagePalette.ImagePalette
def test_sanity():
assert_no_exception(lambda: ImagePalette("RGB", list(range(256))*3))
assert_exception(ValueError, lambda: ImagePalette("RGB", list(range(256))*2))
class TestImagePalette(PillowTestCase):
def test_getcolor():
def test_sanity(self):
ImagePalette("RGB", list(range(256))*3)
self.assertRaises(
ValueError, lambda: ImagePalette("RGB", list(range(256))*2))
def test_getcolor(self):
palette = ImagePalette()
@ -18,14 +21,14 @@ def test_getcolor():
for i in range(256):
map[palette.getcolor((i, i, i))] = i
assert_equal(len(map), 256)
assert_exception(ValueError, lambda: palette.getcolor((1, 2, 3)))
self.assertEqual(len(map), 256)
self.assertRaises(ValueError, lambda: palette.getcolor((1, 2, 3)))
def test_file():
def test_file(self):
palette = ImagePalette()
file = tempfile("temp.lut")
file = self.tempfile("temp.lut")
palette.save(file)
@ -34,11 +37,14 @@ def test_file():
p = load(file)
# load returns raw palette information
assert_equal(len(p[0]), 768)
assert_equal(p[1], "RGB")
self.assertEqual(len(p[0]), 768)
self.assertEqual(p[1], "RGB")
p = raw(p[1], p[0])
assert_true(isinstance(p, ImagePalette))
self.assertIsInstance(p, ImagePalette)
if __name__ == '__main__':
unittest.main()
# End of file

60
Tests/test_imagepath.py
View File

@ -1,54 +1,68 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImagePath
import array
def test_path():
class TestImagePath(PillowTestCase):
def test_path(self):
p = ImagePath.Path(list(range(10)))
# sequence interface
assert_equal(len(p), 5)
assert_equal(p[0], (0.0, 1.0))
assert_equal(p[-1], (8.0, 9.0))
assert_equal(list(p[:1]), [(0.0, 1.0)])
assert_equal(list(p), [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)])
self.assertEqual(len(p), 5)
self.assertEqual(p[0], (0.0, 1.0))
self.assertEqual(p[-1], (8.0, 9.0))
self.assertEqual(list(p[:1]), [(0.0, 1.0)])
self.assertEqual(
list(p),
[(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)])
# method sanity check
assert_equal(p.tolist(), [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)])
assert_equal(p.tolist(1), [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0])
self.assertEqual(
p.tolist(),
[(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)])
self.assertEqual(
p.tolist(1),
[0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0])
assert_equal(p.getbbox(), (0.0, 1.0, 8.0, 9.0))
self.assertEqual(p.getbbox(), (0.0, 1.0, 8.0, 9.0))
assert_equal(p.compact(5), 2)
assert_equal(list(p), [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)])
self.assertEqual(p.compact(5), 2)
self.assertEqual(list(p), [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)])
p.transform((1, 0, 1, 0, 1, 1))
assert_equal(list(p), [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)])
self.assertEqual(list(p), [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)])
# alternative constructors
p = ImagePath.Path([0, 1])
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path([0.0, 1.0])
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path([0, 1])
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path([(0, 1)])
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path(p)
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path(p.tolist(0))
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path(p.tolist(1))
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
p = ImagePath.Path(array.array("f", [0, 1]))
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
arr = array.array("f", [0, 1])
if hasattr(arr, 'tobytes'):
p = ImagePath.Path(arr.tobytes())
else:
p = ImagePath.Path(arr.tostring())
assert_equal(list(p), [(0.0, 1.0)])
self.assertEqual(list(p), [(0.0, 1.0)])
if __name__ == '__main__':
unittest.main()
# End of file

44
Tests/test_imageqt.py
View File

@ -1,37 +1,53 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
try:
from PIL import ImageQt
from PyQt5.QtGui import QImage, qRgb, qRgba
except:
try:
from PyQt4.QtGui import QImage, qRgb, qRgba
except:
# Will be skipped in setUp
pass
class TestImageQt(PillowTestCase):
def setUp(self):
try:
from PyQt5.QtGui import QImage, qRgb, qRgba
except:
try:
from PyQt4.QtGui import QImage, qRgb, qRgba
except:
skip('PyQT4 or 5 not installed')
self.skipTest('PyQt4 or 5 not installed')
from PIL import ImageQt
def test_rgb():
def test_rgb(self):
# from https://qt-project.org/doc/qt-4.8/qcolor.html
# typedef QRgb
# An ARGB quadruplet on the format #AARRGGBB, equivalent to an unsigned int.
# An ARGB quadruplet on the format #AARRGGBB,
# equivalent to an unsigned int.
assert_equal(qRgb(0,0,0), qRgba(0,0,0,255))
self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255))
def checkrgb(r, g, b):
val = ImageQt.rgb(r, g, b)
val = val % 2**24 # drop the alpha
assert_equal(val >> 16, r)
assert_equal(((val >> 8 ) % 2**8), g)
assert_equal(val % 2**8, b)
self.assertEqual(val >> 16, r)
self.assertEqual(((val >> 8) % 2**8), g)
self.assertEqual(val % 2**8, b)
checkrgb(0, 0, 0)
checkrgb(255, 0, 0)
checkrgb(0, 255, 0)
checkrgb(0, 0, 255)
def test_image():
def test_image(self):
for mode in ('1', 'RGB', 'RGBA', 'L', 'P'):
assert_no_exception(lambda: ImageQt.ImageQt(lena(mode)))
ImageQt.ImageQt(lena(mode))
if __name__ == '__main__':
unittest.main()
# End of file

21
Tests/test_imagesequence.py
View File

@ -1,11 +1,13 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageSequence
def test_sanity():
file = tempfile("temp.im")
class TestImageSequence(PillowTestCase):
def test_sanity(self):
file = self.tempfile("temp.im")
im = lena("RGB")
im.save(file)
@ -14,9 +16,14 @@ def test_sanity():
index = 0
for frame in seq:
assert_image_equal(im, frame)
assert_equal(im.tell(), index)
self.assert_image_equal(im, frame)
self.assertEqual(im.tell(), index)
index = index + 1
assert_equal(index, 1)
self.assertEqual(index, 1)
if __name__ == '__main__':
unittest.main()
# End of file

16
Tests/test_imageshow.py
View File

@ -1,6 +1,18 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageShow
success()
class TestImageShow(PillowTestCase):
def test_sanity(self):
dir(Image)
dir(ImageShow)
pass
if __name__ == '__main__':
unittest.main()
# End of file

65
Tests/test_imagestat.py
View File

@ -1,9 +1,12 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageStat
def test_sanity():
class TestImageStat(PillowTestCase):
def test_sanity(self):
im = lena()
@ -11,42 +14,50 @@ def test_sanity():
st = ImageStat.Stat(im.histogram())
st = ImageStat.Stat(im, Image.new("1", im.size, 1))
assert_no_exception(lambda: st.extrema)
assert_no_exception(lambda: st.sum)
assert_no_exception(lambda: st.mean)
assert_no_exception(lambda: st.median)
assert_no_exception(lambda: st.rms)
assert_no_exception(lambda: st.sum2)
assert_no_exception(lambda: st.var)
assert_no_exception(lambda: st.stddev)
assert_exception(AttributeError, lambda: st.spam)
# Check these run. Exceptions will cause failures.
st.extrema
st.sum
st.mean
st.median
st.rms
st.sum2
st.var
st.stddev
assert_exception(TypeError, lambda: ImageStat.Stat(1))
self.assertRaises(AttributeError, lambda: st.spam)
def test_lena():
self.assertRaises(TypeError, lambda: ImageStat.Stat(1))
def test_lena(self):
im = lena()
st = ImageStat.Stat(im)
# verify a few values
assert_equal(st.extrema[0], (61, 255))
assert_equal(st.median[0], 197)
assert_equal(st.sum[0], 2954416)
assert_equal(st.sum[1], 2027250)
assert_equal(st.sum[2], 1727331)
self.assertEqual(st.extrema[0], (61, 255))
self.assertEqual(st.median[0], 197)
self.assertEqual(st.sum[0], 2954416)
self.assertEqual(st.sum[1], 2027250)
self.assertEqual(st.sum[2], 1727331)
def test_constant():
def test_constant(self):
im = Image.new("L", (128, 128), 128)
st = ImageStat.Stat(im)
assert_equal(st.extrema[0], (128, 128))
assert_equal(st.sum[0], 128**3)
assert_equal(st.sum2[0], 128**4)
assert_equal(st.mean[0], 128)
assert_equal(st.median[0], 128)
assert_equal(st.rms[0], 128)
assert_equal(st.var[0], 0)
assert_equal(st.stddev[0], 0)
self.assertEqual(st.extrema[0], (128, 128))
self.assertEqual(st.sum[0], 128**3)
self.assertEqual(st.sum2[0], 128**4)
self.assertEqual(st.mean[0], 128)
self.assertEqual(st.median[0], 128)
self.assertEqual(st.rms[0], 128)
self.assertEqual(st.var[0], 0)
self.assertEqual(st.stddev[0], 0)
if __name__ == '__main__':
unittest.main()
# End of file

16
Tests/test_imagetk.py
View File

@ -1,9 +1,17 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
class TestImageTk(PillowTestCase):
def test_import(self):
try:
from PIL import ImageTk
dir(ImageTk)
except (OSError, ImportError) as v:
skip(v)
self.skipTest(v)
success()
if __name__ == '__main__':
unittest.main()
# End of file

21
Tests/test_imagetransform.py
View File

@ -1,18 +1,27 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
from PIL import ImageTransform
class TestImageTransform(PillowTestCase):
def test_sanity(self):
im = Image.new("L", (100, 100))
seq = tuple(range(10))
def test_sanity():
transform = ImageTransform.AffineTransform(seq[:6])
assert_no_exception(lambda: im.transform((100, 100), transform))
im.transform((100, 100), transform)
transform = ImageTransform.ExtentTransform(seq[:4])
assert_no_exception(lambda: im.transform((100, 100), transform))
im.transform((100, 100), transform)
transform = ImageTransform.QuadTransform(seq[:8])
assert_no_exception(lambda: im.transform((100, 100), transform))
im.transform((100, 100), transform)
transform = ImageTransform.MeshTransform([(seq[:4], seq[:8])])
assert_no_exception(lambda: im.transform((100, 100), transform))
im.transform((100, 100), transform)
if __name__ == '__main__':
unittest.main()
# End of file

16
Tests/test_imagewin.py
View File

@ -1,6 +1,18 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
from PIL import ImageWin
success()
class TestImageWin(PillowTestCase):
def test_sanity(self):
dir(Image)
dir(ImageWin)
pass
if __name__ == '__main__':
unittest.main()
# End of file

33
Tests/test_lib_image.py
View File

@ -1,30 +1,39 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def test_setmode():
class TestSanity(PillowTestCase):
def test_setmode(self):
im = Image.new("L", (1, 1), 255)
im.im.setmode("1")
assert_equal(im.im.getpixel((0, 0)), 255)
self.assertEqual(im.im.getpixel((0, 0)), 255)
im.im.setmode("L")
assert_equal(im.im.getpixel((0, 0)), 255)
self.assertEqual(im.im.getpixel((0, 0)), 255)
im = Image.new("1", (1, 1), 1)
im.im.setmode("L")
assert_equal(im.im.getpixel((0, 0)), 255)
self.assertEqual(im.im.getpixel((0, 0)), 255)
im.im.setmode("1")
assert_equal(im.im.getpixel((0, 0)), 255)
self.assertEqual(im.im.getpixel((0, 0)), 255)
im = Image.new("RGB", (1, 1), (1, 2, 3))
im.im.setmode("RGB")
assert_equal(im.im.getpixel((0, 0)), (1, 2, 3))
self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3))
im.im.setmode("RGBA")
assert_equal(im.im.getpixel((0, 0)), (1, 2, 3, 255))
self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255))
im.im.setmode("RGBX")
assert_equal(im.im.getpixel((0, 0)), (1, 2, 3, 255))
self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255))
im.im.setmode("RGB")
assert_equal(im.im.getpixel((0, 0)), (1, 2, 3))
self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3))
assert_exception(ValueError, lambda: im.im.setmode("L"))
assert_exception(ValueError, lambda: im.im.setmode("RGBABCDE"))
self.assertRaises(ValueError, lambda: im.im.setmode("L"))
self.assertRaises(ValueError, lambda: im.im.setmode("RGBABCDE"))
if __name__ == '__main__':
unittest.main()
# End of file

161
Tests/test_lib_pack.py
View File

@ -1,11 +1,14 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, py3
from PIL import Image
def pack():
class TestLibPack(PillowTestCase):
def pack(self):
pass # not yet
def test_pack():
def test_pack(self):
def pack(mode, rawmode):
if len(mode) == 1:
@ -20,35 +23,35 @@ def test_pack():
order = 1 if Image._ENDIAN == '<' else -1
assert_equal(pack("1", "1"), [128])
assert_equal(pack("1", "1;I"), [0])
assert_equal(pack("1", "1;R"), [1])
assert_equal(pack("1", "1;IR"), [0])
self.assertEqual(pack("1", "1"), [128])
self.assertEqual(pack("1", "1;I"), [0])
self.assertEqual(pack("1", "1;R"), [1])
self.assertEqual(pack("1", "1;IR"), [0])
assert_equal(pack("L", "L"), [1])
self.assertEqual(pack("L", "L"), [1])
assert_equal(pack("I", "I"), [1, 0, 0, 0][::order])
self.assertEqual(pack("I", "I"), [1, 0, 0, 0][::order])
assert_equal(pack("F", "F"), [0, 0, 128, 63][::order])
self.assertEqual(pack("F", "F"), [0, 0, 128, 63][::order])
assert_equal(pack("LA", "LA"), [1, 2])
self.assertEqual(pack("LA", "LA"), [1, 2])
assert_equal(pack("RGB", "RGB"), [1, 2, 3])
assert_equal(pack("RGB", "RGB;L"), [1, 2, 3])
assert_equal(pack("RGB", "BGR"), [3, 2, 1])
assert_equal(pack("RGB", "RGBX"), [1, 2, 3, 255]) # 255?
assert_equal(pack("RGB", "BGRX"), [3, 2, 1, 0])
assert_equal(pack("RGB", "XRGB"), [0, 1, 2, 3])
assert_equal(pack("RGB", "XBGR"), [0, 3, 2, 1])
self.assertEqual(pack("RGB", "RGB"), [1, 2, 3])
self.assertEqual(pack("RGB", "RGB;L"), [1, 2, 3])
self.assertEqual(pack("RGB", "BGR"), [3, 2, 1])
self.assertEqual(pack("RGB", "RGBX"), [1, 2, 3, 255]) # 255?
self.assertEqual(pack("RGB", "BGRX"), [3, 2, 1, 0])
self.assertEqual(pack("RGB", "XRGB"), [0, 1, 2, 3])
self.assertEqual(pack("RGB", "XBGR"), [0, 3, 2, 1])
assert_equal(pack("RGBX", "RGBX"), [1, 2, 3, 4]) # 4->255?
self.assertEqual(pack("RGBX", "RGBX"), [1, 2, 3, 4]) # 4->255?
assert_equal(pack("RGBA", "RGBA"), [1, 2, 3, 4])
self.assertEqual(pack("RGBA", "RGBA"), [1, 2, 3, 4])
assert_equal(pack("CMYK", "CMYK"), [1, 2, 3, 4])
assert_equal(pack("YCbCr", "YCbCr"), [1, 2, 3])
self.assertEqual(pack("CMYK", "CMYK"), [1, 2, 3, 4])
self.assertEqual(pack("YCbCr", "YCbCr"), [1, 2, 3])
def test_unpack():
def test_unpack(self):
def unpack(mode, rawmode, bytes_):
im = None
@ -67,72 +70,78 @@ def test_unpack():
im = None
if py3:
im = Image.frombytes(mode, (8, 1), bytes([value]), "raw", rawmode, 0, 1)
im = Image.frombytes(
mode, (8, 1), bytes([value]), "raw", rawmode, 0, 1)
else:
im = Image.frombytes(mode, (8, 1), chr(value), "raw", rawmode, 0, 1)
im = Image.frombytes(
mode, (8, 1), chr(value), "raw", rawmode, 0, 1)
return tuple(im.getdata())
X = 255
assert_equal(unpack_1("1", "1", 1), (0,0,0,0,0,0,0,X))
assert_equal(unpack_1("1", "1;I", 1), (X,X,X,X,X,X,X,0))
assert_equal(unpack_1("1", "1;R", 1), (X,0,0,0,0,0,0,0))
assert_equal(unpack_1("1", "1;IR", 1), (0,X,X,X,X,X,X,X))
self.assertEqual(unpack_1("1", "1", 1), (0, 0, 0, 0, 0, 0, 0, X))
self.assertEqual(unpack_1("1", "1;I", 1), (X, X, X, X, X, X, X, 0))
self.assertEqual(unpack_1("1", "1;R", 1), (X, 0, 0, 0, 0, 0, 0, 0))
self.assertEqual(unpack_1("1", "1;IR", 1), (0, X, X, X, X, X, X, X))
assert_equal(unpack_1("1", "1", 170), (X,0,X,0,X,0,X,0))
assert_equal(unpack_1("1", "1;I", 170), (0,X,0,X,0,X,0,X))
assert_equal(unpack_1("1", "1;R", 170), (0,X,0,X,0,X,0,X))
assert_equal(unpack_1("1", "1;IR", 170), (X,0,X,0,X,0,X,0))
self.assertEqual(unpack_1("1", "1", 170), (X, 0, X, 0, X, 0, X, 0))
self.assertEqual(unpack_1("1", "1;I", 170), (0, X, 0, X, 0, X, 0, X))
self.assertEqual(unpack_1("1", "1;R", 170), (0, X, 0, X, 0, X, 0, X))
self.assertEqual(unpack_1("1", "1;IR", 170), (X, 0, X, 0, X, 0, X, 0))
assert_equal(unpack("L", "L;2", 1), 0)
assert_equal(unpack("L", "L;4", 1), 0)
assert_equal(unpack("L", "L", 1), 1)
assert_equal(unpack("L", "L;I", 1), 254)
assert_equal(unpack("L", "L;R", 1), 128)
assert_equal(unpack("L", "L;16", 2), 2) # little endian
assert_equal(unpack("L", "L;16B", 2), 1) # big endian
self.assertEqual(unpack("L", "L;2", 1), 0)
self.assertEqual(unpack("L", "L;4", 1), 0)
self.assertEqual(unpack("L", "L", 1), 1)
self.assertEqual(unpack("L", "L;I", 1), 254)
self.assertEqual(unpack("L", "L;R", 1), 128)
self.assertEqual(unpack("L", "L;16", 2), 2) # little endian
self.assertEqual(unpack("L", "L;16B", 2), 1) # big endian
assert_equal(unpack("LA", "LA", 2), (1, 2))
assert_equal(unpack("LA", "LA;L", 2), (1, 2))
self.assertEqual(unpack("LA", "LA", 2), (1, 2))
self.assertEqual(unpack("LA", "LA;L", 2), (1, 2))
assert_equal(unpack("RGB", "RGB", 3), (1, 2, 3))
assert_equal(unpack("RGB", "RGB;L", 3), (1, 2, 3))
assert_equal(unpack("RGB", "RGB;R", 3), (128, 64, 192))
assert_equal(unpack("RGB", "RGB;16B", 6), (1, 3, 5)) # ?
assert_equal(unpack("RGB", "BGR", 3), (3, 2, 1))
assert_equal(unpack("RGB", "RGB;15", 2), (8, 131, 0))
assert_equal(unpack("RGB", "BGR;15", 2), (0, 131, 8))
assert_equal(unpack("RGB", "RGB;16", 2), (8, 64, 0))
assert_equal(unpack("RGB", "BGR;16", 2), (0, 64, 8))
assert_equal(unpack("RGB", "RGB;4B", 2), (17, 0, 34))
self.assertEqual(unpack("RGB", "RGB", 3), (1, 2, 3))
self.assertEqual(unpack("RGB", "RGB;L", 3), (1, 2, 3))
self.assertEqual(unpack("RGB", "RGB;R", 3), (128, 64, 192))
self.assertEqual(unpack("RGB", "RGB;16B", 6), (1, 3, 5)) # ?
self.assertEqual(unpack("RGB", "BGR", 3), (3, 2, 1))
self.assertEqual(unpack("RGB", "RGB;15", 2), (8, 131, 0))
self.assertEqual(unpack("RGB", "BGR;15", 2), (0, 131, 8))
self.assertEqual(unpack("RGB", "RGB;16", 2), (8, 64, 0))
self.assertEqual(unpack("RGB", "BGR;16", 2), (0, 64, 8))
self.assertEqual(unpack("RGB", "RGB;4B", 2), (17, 0, 34))
assert_equal(unpack("RGB", "RGBX", 4), (1, 2, 3))
assert_equal(unpack("RGB", "BGRX", 4), (3, 2, 1))
assert_equal(unpack("RGB", "XRGB", 4), (2, 3, 4))
assert_equal(unpack("RGB", "XBGR", 4), (4, 3, 2))
self.assertEqual(unpack("RGB", "RGBX", 4), (1, 2, 3))
self.assertEqual(unpack("RGB", "BGRX", 4), (3, 2, 1))
self.assertEqual(unpack("RGB", "XRGB", 4), (2, 3, 4))
self.assertEqual(unpack("RGB", "XBGR", 4), (4, 3, 2))
assert_equal(unpack("RGBA", "RGBA", 4), (1, 2, 3, 4))
assert_equal(unpack("RGBA", "BGRA", 4), (3, 2, 1, 4))
assert_equal(unpack("RGBA", "ARGB", 4), (2, 3, 4, 1))
assert_equal(unpack("RGBA", "ABGR", 4), (4, 3, 2, 1))
assert_equal(unpack("RGBA", "RGBA;15", 2), (8, 131, 0, 0))
assert_equal(unpack("RGBA", "BGRA;15", 2), (0, 131, 8, 0))
assert_equal(unpack("RGBA", "RGBA;4B", 2), (17, 0, 34, 0))
self.assertEqual(unpack("RGBA", "RGBA", 4), (1, 2, 3, 4))
self.assertEqual(unpack("RGBA", "BGRA", 4), (3, 2, 1, 4))
self.assertEqual(unpack("RGBA", "ARGB", 4), (2, 3, 4, 1))
self.assertEqual(unpack("RGBA", "ABGR", 4), (4, 3, 2, 1))
self.assertEqual(unpack("RGBA", "RGBA;15", 2), (8, 131, 0, 0))
self.assertEqual(unpack("RGBA", "BGRA;15", 2), (0, 131, 8, 0))
self.assertEqual(unpack("RGBA", "RGBA;4B", 2), (17, 0, 34, 0))
assert_equal(unpack("RGBX", "RGBX", 4), (1, 2, 3, 4)) # 4->255?
assert_equal(unpack("RGBX", "BGRX", 4), (3, 2, 1, 255))
assert_equal(unpack("RGBX", "XRGB", 4), (2, 3, 4, 255))
assert_equal(unpack("RGBX", "XBGR", 4), (4, 3, 2, 255))
assert_equal(unpack("RGBX", "RGB;15", 2), (8, 131, 0, 255))
assert_equal(unpack("RGBX", "BGR;15", 2), (0, 131, 8, 255))
assert_equal(unpack("RGBX", "RGB;4B", 2), (17, 0, 34, 255))
self.assertEqual(unpack("RGBX", "RGBX", 4), (1, 2, 3, 4)) # 4->255?
self.assertEqual(unpack("RGBX", "BGRX", 4), (3, 2, 1, 255))
self.assertEqual(unpack("RGBX", "XRGB", 4), (2, 3, 4, 255))
self.assertEqual(unpack("RGBX", "XBGR", 4), (4, 3, 2, 255))
self.assertEqual(unpack("RGBX", "RGB;15", 2), (8, 131, 0, 255))
self.assertEqual(unpack("RGBX", "BGR;15", 2), (0, 131, 8, 255))
self.assertEqual(unpack("RGBX", "RGB;4B", 2), (17, 0, 34, 255))
assert_equal(unpack("CMYK", "CMYK", 4), (1, 2, 3, 4))
assert_equal(unpack("CMYK", "CMYK;I", 4), (254, 253, 252, 251))
self.assertEqual(unpack("CMYK", "CMYK", 4), (1, 2, 3, 4))
self.assertEqual(unpack("CMYK", "CMYK;I", 4), (254, 253, 252, 251))
assert_exception(ValueError, lambda: unpack("L", "L", 0))
assert_exception(ValueError, lambda: unpack("RGB", "RGB", 2))
assert_exception(ValueError, lambda: unpack("CMYK", "CMYK", 2))
self.assertRaises(ValueError, lambda: unpack("L", "L", 0))
self.assertRaises(ValueError, lambda: unpack("RGB", "RGB", 2))
self.assertRaises(ValueError, lambda: unpack("CMYK", "CMYK", 2))
run()
if __name__ == '__main__':
unittest.main()
# End of file

38
Tests/test_locale.py
View File

@ -1,31 +1,39 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
import locale
# ref https://github.com/python-pillow/Pillow/issues/272
## on windows, in polish locale:
# on windows, in polish locale:
## import locale
## print locale.setlocale(locale.LC_ALL, 'polish')
## import string
## print len(string.whitespace)
## print ord(string.whitespace[6])
# import locale
# print locale.setlocale(locale.LC_ALL, 'polish')
# import string
# print len(string.whitespace)
# print ord(string.whitespace[6])
## Polish_Poland.1250
## 7
## 160
# Polish_Poland.1250
# 7
# 160
# one of string.whitespace is not freely convertable into ascii.
path = "Images/lena.jpg"
def test_sanity():
assert_no_exception(lambda: Image.open(path))
class TestLocale(PillowTestCase):
def test_sanity(self):
Image.open(path)
try:
locale.setlocale(locale.LC_ALL, "polish")
except:
skip('polish locale not available')
import string
assert_no_exception(lambda: Image.open(path))
unittest.skip('Polish locale not available')
Image.open(path)
if __name__ == '__main__':
unittest.main()
# End of file

80
Tests/test_mode_i16.py
View File

@ -1,65 +1,63 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
def verify(im1):
class TestModeI16(PillowTestCase):
def verify(self, im1):
im2 = lena("I")
assert_equal(im1.size, im2.size)
self.assertEqual(im1.size, im2.size)
pix1 = im1.load()
pix2 = im2.load()
for y in range(im1.size[1]):
for x in range(im1.size[0]):
xy = x, y
if pix1[xy] != pix2[xy]:
failure(
"got %r from mode %s at %s, expected %r" %
(pix1[xy], im1.mode, xy, pix2[xy])
)
return
success()
self.assertEqual(
pix1[xy], pix2[xy],
("got %r from mode %s at %s, expected %r" %
(pix1[xy], im1.mode, xy, pix2[xy])))
def test_basic():
def test_basic(self):
# PIL 1.1 has limited support for 16-bit image data. Check that
# create/copy/transform and save works as expected.
def basic(mode):
imIn = lena("I").convert(mode)
verify(imIn)
self.verify(imIn)
w, h = imIn.size
imOut = imIn.copy()
verify(imOut) # copy
self.verify(imOut) # copy
imOut = imIn.transform((w, h), Image.EXTENT, (0, 0, w, h))
verify(imOut) # transform
self.verify(imOut) # transform
filename = tempfile("temp.im")
filename = self.tempfile("temp.im")
imIn.save(filename)
imOut = Image.open(filename)
verify(imIn)
verify(imOut)
self.verify(imIn)
self.verify(imOut)
imOut = imIn.crop((0, 0, w, h))
verify(imOut)
self.verify(imOut)
imOut = Image.new(mode, (w, h), None)
imOut.paste(imIn.crop((0, 0, w//2, h)), (0, 0))
imOut.paste(imIn.crop((w//2, 0, w, h)), (w//2, 0))
verify(imIn)
verify(imOut)
self.verify(imIn)
self.verify(imOut)
imIn = Image.new(mode, (1, 1), 1)
assert_equal(imIn.getpixel((0, 0)), 1)
self.assertEqual(imIn.getpixel((0, 0)), 1)
imIn.putpixel((0, 0), 2)
assert_equal(imIn.getpixel((0, 0)), 2)
self.assertEqual(imIn.getpixel((0, 0)), 2)
if mode == "L":
max = 255
@ -67,10 +65,10 @@ def test_basic():
max = 32767
imIn = Image.new(mode, (1, 1), 256)
assert_equal(imIn.getpixel((0, 0)), min(256, max))
self.assertEqual(imIn.getpixel((0, 0)), min(256, max))
imIn.putpixel((0, 0), 512)
assert_equal(imIn.getpixel((0, 0)), min(512, max))
self.assertEqual(imIn.getpixel((0, 0)), min(512, max))
basic("L")
@ -80,28 +78,32 @@ def test_basic():
basic("I")
def test_tobytes():
def test_tobytes(self):
def tobytes(mode):
return Image.new(mode, (1, 1), 1).tobytes()
order = 1 if Image._ENDIAN == '<' else -1
assert_equal(tobytes("L"), b"\x01")
assert_equal(tobytes("I;16"), b"\x01\x00")
assert_equal(tobytes("I;16B"), b"\x00\x01")
assert_equal(tobytes("I"), b"\x01\x00\x00\x00"[::order])
self.assertEqual(tobytes("L"), b"\x01")
self.assertEqual(tobytes("I;16"), b"\x01\x00")
self.assertEqual(tobytes("I;16B"), b"\x00\x01")
self.assertEqual(tobytes("I"), b"\x01\x00\x00\x00"[::order])
def test_convert():
def test_convert(self):
im = lena("I")
verify(im.convert("I;16"))
verify(im.convert("I;16").convert("L"))
verify(im.convert("I;16").convert("I"))
self.verify(im.convert("I;16"))
self.verify(im.convert("I;16").convert("L"))
self.verify(im.convert("I;16").convert("I"))
verify(im.convert("I;16B"))
verify(im.convert("I;16B").convert("L"))
verify(im.convert("I;16B").convert("I"))
self.verify(im.convert("I;16B"))
self.verify(im.convert("I;16B").convert("L"))
self.verify(im.convert("I;16B").convert("I"))
if __name__ == '__main__':
unittest.main()
# End of file

94
Tests/test_numpy.py
View File

@ -1,15 +1,25 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule, lena
from PIL import Image
import struct
try:
import site
import numpy
except ImportError:
skip()
# Skip via setUp()
pass
def test_numpy_to_image():
class TestNumpy(PillowTestCase):
def setUp(self):
try:
import site
import numpy
except ImportError:
self.skipTest("ImportError")
def test_numpy_to_image(self):
def to_image(dtype, bands=1, bool=0):
if bands == 1:
@ -32,62 +42,58 @@ def test_numpy_to_image():
# print dtype, list(i.getdata())
return i
# assert_image(to_image(numpy.bool, bool=1), "1", (10, 10))
# assert_image(to_image(numpy.bool8, bool=1), "1", (10, 10))
# self.assert_image(to_image(numpy.bool, bool=1), "1", (10, 10))
# self.assert_image(to_image(numpy.bool8, bool=1), "1", (10, 10))
assert_exception(TypeError, lambda: to_image(numpy.uint))
assert_image(to_image(numpy.uint8), "L", (10, 10))
assert_exception(TypeError, lambda: to_image(numpy.uint16))
assert_exception(TypeError, lambda: to_image(numpy.uint32))
assert_exception(TypeError, lambda: to_image(numpy.uint64))
self.assertRaises(TypeError, lambda: to_image(numpy.uint))
self.assert_image(to_image(numpy.uint8), "L", (10, 10))
self.assertRaises(TypeError, lambda: to_image(numpy.uint16))
self.assertRaises(TypeError, lambda: to_image(numpy.uint32))
self.assertRaises(TypeError, lambda: to_image(numpy.uint64))
assert_image(to_image(numpy.int8), "I", (10, 10))
self.assert_image(to_image(numpy.int8), "I", (10, 10))
if Image._ENDIAN == '<': # Little endian
assert_image(to_image(numpy.int16), "I;16", (10, 10))
self.assert_image(to_image(numpy.int16), "I;16", (10, 10))
else:
assert_image(to_image(numpy.int16), "I;16B", (10, 10))
assert_image(to_image(numpy.int32), "I", (10, 10))
assert_exception(TypeError, lambda: to_image(numpy.int64))
self.assert_image(to_image(numpy.int16), "I;16B", (10, 10))
self.assert_image(to_image(numpy.int32), "I", (10, 10))
self.assertRaises(TypeError, lambda: to_image(numpy.int64))
assert_image(to_image(numpy.float), "F", (10, 10))
assert_image(to_image(numpy.float32), "F", (10, 10))
assert_image(to_image(numpy.float64), "F", (10, 10))
assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10))
assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10))
self.assert_image(to_image(numpy.float), "F", (10, 10))
self.assert_image(to_image(numpy.float32), "F", (10, 10))
self.assert_image(to_image(numpy.float64), "F", (10, 10))
self.assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10))
self.assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10))
# based on an erring example at http://is.gd/6F0esS (which resolves to)
# http://stackoverflow.com/questions/10854903/what-is-causing-dimension-dependent-attributeerror-in-pil-fromarray-function
def test_3d_array():
def test_3d_array(self):
a = numpy.ones((10, 10, 10), dtype=numpy.uint8)
assert_image(Image.fromarray(a[1, :, :]), "L", (10, 10))
assert_image(Image.fromarray(a[:, 1, :]), "L", (10, 10))
assert_image(Image.fromarray(a[:, :, 1]), "L", (10, 10))
self.assert_image(Image.fromarray(a[1, :, :]), "L", (10, 10))
self.assert_image(Image.fromarray(a[:, 1, :]), "L", (10, 10))
self.assert_image(Image.fromarray(a[:, :, 1]), "L", (10, 10))
def _test_img_equals_nparray(img, np):
assert_equal(img.size, np.shape[0:2])
def _test_img_equals_nparray(self, img, np):
self.assertEqual(img.size, np.shape[0:2])
px = img.load()
for x in range(0, img.size[0], int(img.size[0]/10)):
for y in range(0, img.size[1], int(img.size[1]/10)):
assert_deep_equal(px[x,y], np[y,x])
self.assert_deep_equal(px[x, y], np[y, x])
def test_16bit():
def test_16bit(self):
img = Image.open('Tests/images/16bit.cropped.tif')
np_img = numpy.array(img)
_test_img_equals_nparray(img, np_img)
assert_equal(np_img.dtype, numpy.dtype('<u2'))
self._test_img_equals_nparray(img, np_img)
self.assertEqual(np_img.dtype, numpy.dtype('<u2'))
def test_to_array():
def test_to_array(self):
def _to_array(mode, dtype):
img = lena(mode)
np_img = numpy.array(img)
_test_img_equals_nparray(img, np_img)
assert_equal(np_img.dtype, numpy.dtype(dtype))
self._test_img_equals_nparray(img, np_img)
self.assertEqual(np_img.dtype, numpy.dtype(dtype))
modes = [("L", 'uint8'),
("I", 'int32'),
@ -102,12 +108,10 @@ def test_to_array():
("I;16L", '<u2'),
]
for mode in modes:
assert_no_exception(lambda: _to_array(*mode))
_to_array(*mode)
def test_point_lut():
def test_point_lut(self):
# see https://github.com/python-pillow/Pillow/issues/439
data = list(range(256))*3
@ -115,6 +119,10 @@ def test_point_lut():
im = lena()
assert_no_exception(lambda: im.point(lut))
im.point(lut)
if __name__ == '__main__':
unittest.main()
# End of file

71
Tests/test_olefileio.py
View File

@ -1,11 +1,13 @@
from __future__ import print_function
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
import datetime
import PIL.OleFileIO as OleFileIO
def test_isOleFile_false():
class TestOleFileIo(PillowTestCase):
def test_isOleFile_false(self):
# Arrange
non_ole_file = "Tests/images/flower.jpg"
@ -13,10 +15,9 @@ def test_isOleFile_false():
is_ole = OleFileIO.isOleFile(non_ole_file)
# Assert
assert_false(is_ole)
self.assertFalse(is_ole)
def test_isOleFile_true():
def test_isOleFile_true(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
@ -24,10 +25,9 @@ def test_isOleFile_true():
is_ole = OleFileIO.isOleFile(ole_file)
# Assert
assert_true(is_ole)
self.assertTrue(is_ole)
def test_exists_worddocument():
def test_exists_worddocument(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -36,11 +36,10 @@ def test_exists_worddocument():
exists = ole.exists('worddocument')
# Assert
assert_true(exists)
self.assertTrue(exists)
ole.close()
def test_exists_no_vba_macros():
def test_exists_no_vba_macros(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -49,11 +48,10 @@ def test_exists_no_vba_macros():
exists = ole.exists('macros/vba')
# Assert
assert_false(exists)
self.assertFalse(exists)
ole.close()
def test_get_type():
def test_get_type(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -62,11 +60,10 @@ def test_get_type():
type = ole.get_type('worddocument')
# Assert
assert_equal(type, OleFileIO.STGTY_STREAM)
self.assertEqual(type, OleFileIO.STGTY_STREAM)
ole.close()
def test_get_size():
def test_get_size(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -75,11 +72,10 @@ def test_get_size():
size = ole.get_size('worddocument')
# Assert
assert_greater(size, 0)
self.assertGreater(size, 0)
ole.close()
def test_get_rootentry_name():
def test_get_rootentry_name(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -88,11 +84,10 @@ def test_get_rootentry_name():
root = ole.get_rootentry_name()
# Assert
assert_equal(root, "Root Entry")
self.assertEqual(root, "Root Entry")
ole.close()
def test_meta():
def test_meta(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -101,12 +96,11 @@ def test_meta():
meta = ole.get_metadata()
# Assert
assert_equal(meta.author, b"Laurence Ipsum")
assert_equal(meta.num_pages, 1)
self.assertEqual(meta.author, b"Laurence Ipsum")
self.assertEqual(meta.num_pages, 1)
ole.close()
def test_gettimes():
def test_gettimes(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -117,14 +111,13 @@ def test_gettimes():
mtime = root_entry.getmtime()
# Assert
assert_is_instance(ctime, type(None))
assert_is_instance(mtime, datetime.datetime)
assert_equal(ctime, None)
assert_equal(mtime.year, 2014)
self.assertIsInstance(ctime, type(None))
self.assertIsInstance(mtime, datetime.datetime)
self.assertEqual(ctime, None)
self.assertEqual(mtime.year, 2014)
ole.close()
def test_listdir():
def test_listdir(self):
# Arrange
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
@ -133,13 +126,11 @@ def test_listdir():
dirlist = ole.listdir()
# Assert
assert_in(['WordDocument'], dirlist)
self.assertIn(['WordDocument'], dirlist)
ole.close()
def test_debug():
def test_debug(self):
# Arrange
print("ignore_all_except_last_line")
ole_file = "Tests/images/test-ole-file.doc"
ole = OleFileIO.OleFileIO(ole_file)
meta = ole.get_metadata()
@ -155,8 +146,10 @@ def test_debug():
# Assert
# No assert, just check they run ok
print("ok")
ole.close()
if __name__ == '__main__':
unittest.main()
# End of file

39
Tests/test_pickle.py
View File

@ -1,11 +1,13 @@
from tester import *
from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
def helper_test_pickle_file(pickle, protocol=0):
class TestPickle(PillowTestCase):
def helper_pickle_file(self, pickle, protocol=0):
im = Image.open('Images/lena.jpg')
filename = tempfile('temp.pkl')
filename = self.tempfile('temp.pkl')
# Act
with open(filename, 'wb') as f:
@ -14,10 +16,10 @@ def helper_test_pickle_file(pickle, protocol=0):
loaded_im = pickle.load(f)
# Assert
assert_image_completely_equal(im, loaded_im)
self.assertEqual(im, loaded_im)
def helper_test_pickle_string(pickle, protocol=0, file='Images/lena.jpg'):
def helper_pickle_string(
self, pickle, protocol=0, file='Images/lena.jpg'):
im = Image.open(file)
# Act
@ -25,20 +27,18 @@ def helper_test_pickle_string(pickle, protocol=0, file='Images/lena.jpg'):
loaded_im = pickle.loads(dumped_string)
# Assert
assert_image_completely_equal(im, loaded_im)
self.assertEqual(im, loaded_im)
def test_pickle_image():
def test_pickle_image(self):
# Arrange
import pickle
# Act / Assert
for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1):
helper_test_pickle_string(pickle, protocol)
helper_test_pickle_file(pickle, protocol)
self.helper_pickle_string(pickle, protocol)
self.helper_pickle_file(pickle, protocol)
def test_cpickle_image():
def test_cpickle_image(self):
# Arrange
try:
import cPickle
@ -47,11 +47,10 @@ def test_cpickle_image():
# Act / Assert
for protocol in range(0, cPickle.HIGHEST_PROTOCOL + 1):
helper_test_pickle_string(cPickle, protocol)
helper_test_pickle_file(cPickle, protocol)
self.helper_pickle_string(cPickle, protocol)
self.helper_pickle_file(cPickle, protocol)
def test_pickle_p_mode():
def test_pickle_p_mode(self):
# Arrange
import pickle
@ -65,6 +64,10 @@ def test_pickle_p_mode():
"Tests/images/p_trns_single.png",
"Tests/images/pil123p.png"
]:
helper_test_pickle_string(pickle, file=file)
self.helper_pickle_string(pickle, file=file)
if __name__ == '__main__':
unittest.main()
# End of file