python-pillow/Pillow
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improve tests

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This commit is contained in:
homm 2016-09-19 02:59:34 +03:00
parent 7faf18ccde
commit cdd0624945
2 changed files with 48 additions and 43 deletions
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9
Tests/helper.py
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@ -238,3 +238,12 @@ if sys.platform == 'win32':
IMCONVERT = os.path.join(IMCONVERT, 'convert.exe')
else:
IMCONVERT = 'convert'
class cached_property(object):
def __init__(self, func):
self.func = func
def __get__(self, instance, cls=None):
result = instance.__dict__[self.func.__name__] = self.func(instance)
return result

82
Tests/test_image_paste.py
View File

@ -1,4 +1,4 @@
from helper import PillowTestCase
from helper import PillowTestCase, cached_property
from PIL import Image
@ -28,6 +28,7 @@ class TestImagingPaste(PillowTestCase):
]
self.assertEqual(actual, expected)
@cached_property
def mask_1(self):
mask = Image.new('1', (self.size, self.size))
px = mask.load()
@ -36,9 +37,11 @@ class TestImagingPaste(PillowTestCase):
px[y, x] = (x + y) % 2
return mask
@cached_property
def mask_L(self):
return self.gradient_L().transpose(Image.ROTATE_270)
return self.gradient_L.transpose(Image.ROTATE_270)
@cached_property
def gradient_L(self):
gradient = Image.new('L', (self.size, self.size))
px = gradient.load()
@ -47,33 +50,36 @@ class TestImagingPaste(PillowTestCase):
px[y, x] = (x + y) % 255
return gradient
@cached_property
def gradient_RGB(self):
return Image.merge('RGB', [
self.gradient_L(),
self.gradient_L().transpose(Image.ROTATE_90),
self.gradient_L().transpose(Image.ROTATE_180),
self.gradient_L,
self.gradient_L.transpose(Image.ROTATE_90),
self.gradient_L.transpose(Image.ROTATE_180),
])
@cached_property
def gradient_RGBA(self):
return Image.merge('RGBA', [
self.gradient_L(),
self.gradient_L().transpose(Image.ROTATE_90),
self.gradient_L().transpose(Image.ROTATE_180),
self.gradient_L().transpose(Image.ROTATE_270),
self.gradient_L,
self.gradient_L.transpose(Image.ROTATE_90),
self.gradient_L.transpose(Image.ROTATE_180),
self.gradient_L.transpose(Image.ROTATE_270),
])
@cached_property
def gradient_RGBa(self):
return Image.merge('RGBa', [
self.gradient_L(),
self.gradient_L().transpose(Image.ROTATE_90),
self.gradient_L().transpose(Image.ROTATE_180),
self.gradient_L().transpose(Image.ROTATE_270),
self.gradient_L,
self.gradient_L.transpose(Image.ROTATE_90),
self.gradient_L.transpose(Image.ROTATE_180),
self.gradient_L.transpose(Image.ROTATE_270),
])
def test_image_solid(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), 'red')
im2 = getattr(self, 'gradient_' + mode)()
im2 = getattr(self, 'gradient_' + mode)
im.paste(im2, (12, 23))
@ -83,10 +89,9 @@ class TestImagingPaste(PillowTestCase):
def test_image_mask_1(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), 'white')
im2 = getattr(self, 'gradient_' + mode)()
mask = self.mask_1()
im2 = getattr(self, 'gradient_' + mode)
im.paste(im2, (0, 0), mask)
im.paste(im2, (0, 0), self.mask_1)
self.assert_9points_image(im, [
(255, 255, 255, 255),
@ -103,11 +108,9 @@ class TestImagingPaste(PillowTestCase):
def test_image_mask_L(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), 'white')
im2 = getattr(self, 'gradient_' + mode)()
mask = self.mask_L()
im2 = getattr(self, 'gradient_' + mode)
im.paste(im2, (0, 0), mask)
im.save('_test_image_mask_L {}.png'.format(mode))
im.paste(im2, (0, 0), self.mask_L)
self.assert_9points_image(im, [
(128, 191, 255, 191),
@ -124,11 +127,9 @@ class TestImagingPaste(PillowTestCase):
def test_image_mask_RGBA(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), 'white')
im2 = getattr(self, 'gradient_' + mode)()
mask = self.gradient_RGBA()
im2 = getattr(self, 'gradient_' + mode)
im.paste(im2, (0, 0), mask)
im.save('_test_image_mask_RGBA {}.png'.format(mode))
im.paste(im2, (0, 0), self.gradient_RGBA)
self.assert_9points_image(im, [
(128, 191, 255, 191),
@ -145,11 +146,9 @@ class TestImagingPaste(PillowTestCase):
def test_image_mask_RGBa(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), 'white')
im2 = getattr(self, 'gradient_' + mode)()
mask = self.gradient_RGBa()
im2 = getattr(self, 'gradient_' + mode)
im.paste(im2, (0, 0), mask)
im.save('_test_image_mask_RGBA {}.png'.format(mode))
im.paste(im2, (0, 0), self.gradient_RGBa)
self.assert_9points_image(im, [
(128, 255, 126, 255),
@ -179,9 +178,9 @@ class TestImagingPaste(PillowTestCase):
def test_color_mask_1(self):
for mode in ('RGBA', 'RGB', 'L'):
im = Image.new(mode, (200, 200), (50, 60, 70, 80)[:len(mode)])
mask = self.mask_1()
color = (10, 20, 30, 40)[:len(mode)]
im.paste((10, 20, 30, 40)[:len(mode)], (0, 0), mask)
im.paste(color, (0, 0), self.mask_1)
self.assert_9points_image(im, [
(50, 60, 70, 80),
@ -197,11 +196,10 @@ class TestImagingPaste(PillowTestCase):
def test_color_mask_L(self):
for mode in ('RGBA', 'RGB', 'L'):
im = getattr(self, 'gradient_' + mode)()
im2 = 'white'
mask = self.mask_L()
im = getattr(self, 'gradient_' + mode).copy()
color = 'white'
im.paste(im2, (0, 0), mask)
im.paste(color, (0, 0), self.mask_L)
self.assert_9points_image(im, [
(127, 191, 254, 191),
@ -217,11 +215,10 @@ class TestImagingPaste(PillowTestCase):
def test_color_mask_RGBA(self):
for mode in ('RGBA', 'RGB', 'L'):
im = getattr(self, 'gradient_' + mode)()
im2 = 'white'
mask = self.gradient_RGBA()
im = getattr(self, 'gradient_' + mode).copy()
color = 'white'
im.paste(im2, (0, 0), mask)
im.paste(color, (0, 0), self.gradient_RGBA)
self.assert_9points_image(im, [
(127, 191, 254, 191),
@ -237,11 +234,10 @@ class TestImagingPaste(PillowTestCase):
def test_color_mask_RGBa(self):
for mode in ('RGBA', 'RGB', 'L'):
im = getattr(self, 'gradient_' + mode)()
im2 = 'white'
mask = self.gradient_RGBa()
im = getattr(self, 'gradient_' + mode).copy()
color = 'white'
im.paste(im2, (0, 0), mask)
im.paste(color, (0, 0), self.gradient_RGBa)
self.assert_9points_image(im, [
(255, 63, 126, 63),