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Save test_cffi for another day

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hugovk 2014-06-05 15:31:22 +03:00
parent 2833cb42b4
commit 07aa1a56bb
6 changed files with 193 additions and 217 deletions
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99
Tests/test_cffi.py Normal file
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from tester import *
try:
import cffi
except:
skip()
from PIL import Image, PyAccess
import test_image_putpixel as put
import test_image_getpixel as get
Image.USE_CFFI_ACCESS = True
def test_put():
put.test_sanity()
def test_get():
get.test_basic()
get.test_signedness()
def _test_get_access(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 """
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)])
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'))
im = Image.new('I;16', (10,10), 40000)
_test_get_access(im)
im = Image.new('I;16L', (10,10), 40000)
_test_get_access(im)
im = Image.new('I;16B', (10,10), 40000)
_test_get_access(im)
im = Image.new('I', (10,10), 40000)
_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)
#im = Image.new('I;32B', (10,10), 2**10)
#_test_get_access(im)
def _test_set_access(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 """
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):
access[(x,y)] = color
assert_equal(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)
im = Image.new('I;16', (10,10), 40000)
_test_set_access(im, 45000)
im = Image.new('I;16L', (10,10), 40000)
_test_set_access(im, 45000)
im = Image.new('I;16B', (10,10), 40000)
_test_set_access(im, 45000)
im = Image.new('I', (10,10), 40000)
_test_set_access(im, 45000)
# im = Image.new('I;32L', (10,10), -(2**10))
# _test_set_access(im, -(2**13)+1)
#im = Image.new('I;32B', (10,10), 2**10)
#_test_set_access(im, 2**13-1)

49
Tests/test_image_getpixel.py Normal file
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from tester import *
from PIL import Image
Image.USE_CFFI_ACCESS=False
def color(mode):
bands = Image.getmodebands(mode)
if bands == 1:
return 1
else:
return tuple(range(1, bands+1))
def check(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))
# 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))
def test_basic():
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK","YCbCr"):
check(mode)
def test_signedness():
# 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)

45
Tests/test_image_putpixel.py Normal file
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from tester import *
from PIL import Image
Image.USE_CFFI_ACCESS=False
def test_sanity():
im1 = lena()
im2 = Image.new(im1.mode, im1.size, 0)
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
im2.readonly = 1
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
assert_false(im2.readonly)
assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
pix1 = im1.load()
pix2 = im2.load()
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pix2[x, y] = pix1[x, y]
assert_image_equal(im1, im2)
# see test_image_getpixel for more tests

113
test/test_cffi.py
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from helper import unittest, PillowTestCase, lena
try:
import cffi
from PIL import Image, PyAccess
from test_image_putpixel import TestImagePutPixel
from test_image_getpixel import TestImageGetPixel
Image.USE_CFFI_ACCESS = True
class TestCffiPutPixel(TestImagePutPixel):
def test_put(self):
self.test_sanity()
class TestCffiGetPixel(TestImageGetPixel):
def test_get(self):
self.test_basic()
self.test_signedness()
class TestCffi(PillowTestCase):
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 """
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):
self.assertEqual(access[(x, y)], caccess[(x, y)])
def test_get_vs_c(self):
self._test_get_access(lena('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'))
# PA -- how do I make a PA image???
# self._test_get_access(lena('PA'))
self._test_get_access(lena('F'))
im = Image.new('I;16', (10, 10), 40000)
self._test_get_access(im)
im = Image.new('I;16L', (10, 10), 40000)
self._test_get_access(im)
im = Image.new('I;16B', (10, 10), 40000)
self._test_get_access(im)
im = Image.new('I', (10, 10), 40000)
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)
# self._test_get_access(im)
# im = Image.new('I;32B', (10, 10), 2**10)
# self._test_get_access(im)
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 """
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):
access[(x, y)] = color
self.assertEqual(color, caccess[(x, y)])
def test_set_vs_c(self):
self._test_set_access(lena('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)
self._test_set_access(im, 45000)
im = Image.new('I;16L', (10, 10), 40000)
self._test_set_access(im, 45000)
im = Image.new('I;16B', (10, 10), 40000)
self._test_set_access(im, 45000)
im = Image.new('I', (10, 10), 40000)
self._test_set_access(im, 45000)
# im = Image.new('I;32L', (10, 10), -(2**10))
# self._test_set_access(im, -(2**13)+1)
# im = Image.new('I;32B', (10, 10), 2**10)
# self._test_set_access(im, 2**13-1)
except ImportError:
class TestCffi(PillowTestCase):
def test_skip(self):
self.skipTest("ImportError")
if __name__ == '__main__':
unittest.main()
# End of file

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test/test_image_getpixel.py
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from helper import unittest, PillowTestCase
from PIL import Image
Image.USE_CFFI_ACCESS = False
class TestImageGetPixel(PillowTestCase):
def color(self, mode):
bands = Image.getmodebands(mode)
if bands == 1:
return 1
else:
return tuple(range(1, bands+1))
def check(self, mode, c=None):
if not c:
c = self.color(mode)
# check putpixel
im = Image.new(mode, (1, 1), None)
im.putpixel((0, 0), 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)
self.assertEqual(
im.getpixel((0, 0)), c,
"initial color failed for mode %s, color %s " %
(mode, self.color))
def test_basic(self):
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"):
self.check(mode)
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"):
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

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test/test_image_putpixel.py
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from helper import unittest, PillowTestCase, lena
from PIL import Image
Image.USE_CFFI_ACCESS = False
class TestImagePutPixel(PillowTestCase):
def test_sanity(self):
im1 = lena()
im2 = Image.new(im1.mode, im1.size, 0)
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
self.assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
im2.readonly = 1
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
self.assertFalse(im2.readonly)
self.assert_image_equal(im1, im2)
im2 = Image.new(im1.mode, im1.size, 0)
pix1 = im1.load()
pix2 = im2.load()
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pix2[x, y] = pix1[x, y]
self.assert_image_equal(im1, im2)
# see test_image_getpixel for more tests
if __name__ == '__main__':
unittest.main()
# End of file