Move more tests

This commit is contained in:
hugovk 2014-06-04 09:09:23 +03:00
parent 2e52f3ab46
commit c8626c6e93
14 changed files with 344 additions and 320 deletions

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from tester import *
from PIL import Image
im = lena().resize((128, 100))
def test_toarray():
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))
def test_fromarray():
def test(mode):
i = im.convert(mode)
a = i.__array_interface__
a["strides"] = 1 # pretend it's non-contigous
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))

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from tester import *
from PIL import Image
def test_crop():
def crop(mode):
out = lena(mode).crop((50, 50, 100, 100))
assert_equal(out.mode, mode)
assert_equal(out.size, (50, 50))
for mode in "1", "P", "L", "RGB", "I", "F":
yield_test(crop, mode)
def test_wide_crop():
def crop(*bbox):
i = im.crop(bbox)
h = i.histogram()
while h and not h[-1]:
del h[-1]
return tuple(h)
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))
# 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))
assert_equal(crop(-25, 25, 125, 75), (2500, 5000))
assert_equal(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))
# --------------------------------------------------------------------
def test_negative_crop():
# 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])

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from tester import *
from PIL import Image
from PIL import ImageFilter
def test_sanity():
def filter(filter):
im = lena("L")
out = im.filter(filter)
assert_equal(out.mode, im.mode)
assert_equal(out.size, im.size)
filter(ImageFilter.BLUR)
filter(ImageFilter.CONTOUR)
filter(ImageFilter.DETAIL)
filter(ImageFilter.EDGE_ENHANCE)
filter(ImageFilter.EDGE_ENHANCE_MORE)
filter(ImageFilter.EMBOSS)
filter(ImageFilter.FIND_EDGES)
filter(ImageFilter.SMOOTH)
filter(ImageFilter.SMOOTH_MORE)
filter(ImageFilter.SHARPEN)
filter(ImageFilter.MaxFilter)
filter(ImageFilter.MedianFilter)
filter(ImageFilter.MinFilter)
filter(ImageFilter.ModeFilter)
filter(ImageFilter.Kernel((3, 3), list(range(9))))
assert_exception(TypeError, lambda: filter("hello"))
def test_crash():
# crashes on small images
im = Image.new("RGB", (1, 1))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
im = Image.new("RGB", (2, 2))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
im = Image.new("RGB", (3, 3))
assert_no_exception(lambda: im.filter(ImageFilter.SMOOTH))
def test_modefilter():
def modefilter(mode):
im = Image.new(mode, (3, 3), None)
im.putdata(list(range(9)))
# image is:
# 0 1 2
# 3 4 5
# 6 7 8
mod = im.filter(ImageFilter.ModeFilter).getpixel((1, 1))
im.putdata([0, 0, 1, 2, 5, 1, 5, 2, 0]) # mode=0
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)))
def test_rankfilter():
def rankfilter(mode):
im = Image.new(mode, (3, 3), None)
im.putdata(list(range(9)))
# image is:
# 0 1 2
# 3 4 5
# 6 7 8
min = im.filter(ImageFilter.MinFilter).getpixel((1, 1))
med = im.filter(ImageFilter.MedianFilter).getpixel((1, 1))
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))

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from tester import *
import sys
from PIL import Image
def test_sanity():
im1 = lena()
data = list(im1.getdata())
im2 = Image.new(im1.mode, im1.size, 0)
im2.putdata(data)
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)
def test_long_integers():
# 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))
if sys.maxsize > 2**32:
assert_equal(put(sys.maxsize), (255, 255, 255, 255))
else:
assert_equal(put(sys.maxsize), (255, 255, 255, 127))

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from tester import *
from PIL import Image
from PIL import ImageFilter
def test_sanity():
# 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))
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)

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from tester import *
from PIL import Image
from PIL import ImageStat
def test_sanity():
im = lena()
st = ImageStat.Stat(im)
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)
assert_exception(TypeError, lambda: ImageStat.Stat(1))
def test_lena():
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)
def test_constant():
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)

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test/test_image_array.py Normal file
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from tester import unittest, PillowTestCase, lena
from PIL import Image
im = lena().resize((128, 100))
class TestImageCrop(PillowTestCase):
def test_toarray(self):
def test(mode):
ai = im.convert(mode).__array_interface__
return ai["shape"], ai["typestr"], len(ai["data"])
# self.assertEqual(test("1"), ((100, 128), '|b1', 1600))
self.assertEqual(test("L"), ((100, 128), '|u1', 12800))
# 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__
a["strides"] = 1 # pretend it's non-contigous
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())
# 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

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test/test_image_crop.py Normal file
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from tester import unittest, PillowTestCase, lena
from PIL import Image
class TestImageCrop(PillowTestCase):
def test_crop(self):
def crop(mode):
out = lena(mode).crop((50, 50, 100, 100))
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, (50, 50))
for mode in "1", "P", "L", "RGB", "I", "F":
crop(mode)
def test_wide_crop(self):
def crop(*bbox):
i = im.crop(bbox)
h = i.histogram()
while h and not h[-1]:
del h[-1]
return tuple(h)
im = Image.new("L", (100, 100), 1)
self.assertEqual(crop(0, 0, 100, 100), (0, 10000))
self.assertEqual(crop(25, 25, 75, 75), (0, 2500))
# sides
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))
self.assertEqual(crop(-25, 25, 125, 75), (2500, 5000))
self.assertEqual(crop(25, -25, 75, 125), (2500, 5000))
# corners
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(self):
# Check negative crop size (@PIL171)
im = Image.new("L", (512, 512))
im = im.crop((400, 400, 200, 200))
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

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test/test_image_filter.py Normal file
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from tester import unittest, PillowTestCase, lena
from PIL import Image
from PIL import ImageFilter
class TestImageFilter(PillowTestCase):
def test_sanity(self):
def filter(filter):
im = lena("L")
out = im.filter(filter)
self.assertEqual(out.mode, im.mode)
self.assertEqual(out.size, im.size)
filter(ImageFilter.BLUR)
filter(ImageFilter.CONTOUR)
filter(ImageFilter.DETAIL)
filter(ImageFilter.EDGE_ENHANCE)
filter(ImageFilter.EDGE_ENHANCE_MORE)
filter(ImageFilter.EMBOSS)
filter(ImageFilter.FIND_EDGES)
filter(ImageFilter.SMOOTH)
filter(ImageFilter.SMOOTH_MORE)
filter(ImageFilter.SHARPEN)
filter(ImageFilter.MaxFilter)
filter(ImageFilter.MedianFilter)
filter(ImageFilter.MinFilter)
filter(ImageFilter.ModeFilter)
filter(ImageFilter.Kernel((3, 3), list(range(9))))
self.assertRaises(TypeError, lambda: filter("hello"))
def test_crash(self):
# crashes on small images
im = Image.new("RGB", (1, 1))
im.filter(ImageFilter.SMOOTH)
im = Image.new("RGB", (2, 2))
im.filter(ImageFilter.SMOOTH)
im = Image.new("RGB", (3, 3))
im.filter(ImageFilter.SMOOTH)
def test_modefilter(self):
def modefilter(mode):
im = Image.new(mode, (3, 3), None)
im.putdata(list(range(9)))
# image is:
# 0 1 2
# 3 4 5
# 6 7 8
mod = im.filter(ImageFilter.ModeFilter).getpixel((1, 1))
im.putdata([0, 0, 1, 2, 5, 1, 5, 2, 0]) # mode=0
mod2 = im.filter(ImageFilter.ModeFilter).getpixel((1, 1))
return mod, mod2
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(self):
def rankfilter(mode):
im = Image.new(mode, (3, 3), None)
im.putdata(list(range(9)))
# image is:
# 0 1 2
# 3 4 5
# 6 7 8
min = im.filter(ImageFilter.MinFilter).getpixel((1, 1))
med = im.filter(ImageFilter.MedianFilter).getpixel((1, 1))
max = im.filter(ImageFilter.MaxFilter).getpixel((1, 1))
return min, med, max
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

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from tester import unittest, PillowTestCase, lena
import sys
from PIL import Image
class TestImagePutData(PillowTestCase):
def test_sanity(self):
im1 = lena()
data = list(im1.getdata())
im2 = Image.new(im1.mode, im1.size, 0)
im2.putdata(data)
self.assert_image_equal(im1, im2)
# readonly
im2 = Image.new(im1.mode, im2.size, 0)
im2.readonly = 1
im2.putdata(data)
self.assertFalse(im2.readonly)
self.assert_image_equal(im1, im2)
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))
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:
self.assertEqual(put(sys.maxsize), (255, 255, 255, 255))
else:
self.assertEqual(put(sys.maxsize), (255, 255, 255, 127))
if __name__ == '__main__':
unittest.main()
# End of file

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test/test_imagefilter.py Normal file
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from tester import unittest, PillowTestCase
from PIL import ImageFilter
class TestImageFilter(PillowTestCase):
def test_sanity(self):
# see test_image_filter for more tests
# 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)
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

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test/test_imagestat.py Normal file
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from tester import unittest, PillowTestCase, lena
from PIL import Image
from PIL import ImageStat
class TestImageStat(PillowTestCase):
def test_sanity(self):
im = lena()
st = ImageStat.Stat(im)
st = ImageStat.Stat(im.histogram())
st = ImageStat.Stat(im, Image.new("1", im.size, 1))
# Check these run. Exceptions will cause failures.
st.extrema
st.sum
st.mean
st.median
st.rms
st.sum2
st.var
st.stddev
self.assertRaises(AttributeError, lambda: st.spam)
self.assertRaises(TypeError, lambda: ImageStat.Stat(1))
def test_lena(self):
im = lena()
st = ImageStat.Stat(im)
# verify a few values
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(self):
im = Image.new("L", (128, 128), 128)
st = ImageStat.Stat(im)
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

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@ -161,17 +161,6 @@ def lena(mode="RGB", cache={}):
# success() # success()
# #
# #
# def assert_image_equal(a, b, msg=None):
# if a.mode != b.mode:
# failure(msg or "got mode %r, expected %r" % (a.mode, b.mode))
# elif a.size != b.size:
# failure(msg or "got size %r, expected %r" % (a.size, b.size))
# elif a.tobytes() != b.tobytes():
# failure(msg or "got different content")
# else:
# success()
#
#
# def assert_image_completely_equal(a, b, msg=None): # def assert_image_completely_equal(a, b, msg=None):
# if a != b: # if a != b:
# failure(msg or "images different") # failure(msg or "images different")

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from tester import unittest
class SomeTests(unittest.TestCase):
"""
Can we start moving the test suite here?
"""
def test_suite_should_move_here(self):
"""
Great idea!
"""
self.assertTrue(True)
if __name__ == '__main__':
unittest.main()
# End of file