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https://github.com/python-pillow/Pillow.git
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4de5477b61
With the introduction and use of pytest, it is simple and easy to
execute specific tests in isolation through documented command line
arguments. Either by specifying the module path or through the `-k
EXPRESSION` argument. There is no longer any need to provide the
boilerplate:
if __name__ == '__main__':
unittest.main()
To every test file. It is simply noise.
The pattern remains in test files that aren't named with `test_*` as
those files are not discovered and executed by pytest by default.
86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
from .helper import PillowTestCase, hopper
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from array import array
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import sys
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from PIL import Image
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class TestImagePutData(PillowTestCase):
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def test_sanity(self):
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im1 = hopper()
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data = list(im1.getdata())
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im2 = Image.new(im1.mode, im1.size, 0)
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im2.putdata(data)
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self.assert_image_equal(im1, im2)
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# readonly
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im2 = Image.new(im1.mode, im2.size, 0)
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im2.readonly = 1
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im2.putdata(data)
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self.assertFalse(im2.readonly)
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self.assert_image_equal(im1, im2)
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def test_long_integers(self):
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# see bug-200802-systemerror
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def put(value):
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im = Image.new("RGBA", (1, 1))
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im.putdata([value])
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return im.getpixel((0, 0))
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self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255))
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self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255))
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self.assertEqual(put(-1), (255, 255, 255, 255))
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self.assertEqual(put(-1), (255, 255, 255, 255))
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if sys.maxsize > 2**32:
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self.assertEqual(put(sys.maxsize), (255, 255, 255, 255))
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else:
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self.assertEqual(put(sys.maxsize), (255, 255, 255, 127))
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def test_pypy_performance(self):
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im = Image.new('L', (256, 256))
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im.putdata(list(range(256))*256)
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def test_mode_i(self):
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src = hopper('L')
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data = list(src.getdata())
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im = Image.new('I', src.size, 0)
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im.putdata(data, 2, 256)
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target = [2 * elt + 256 for elt in data]
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self.assertEqual(list(im.getdata()), target)
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def test_mode_F(self):
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src = hopper('L')
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data = list(src.getdata())
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im = Image.new('F', src.size, 0)
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im.putdata(data, 2.0, 256.0)
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target = [2.0 * float(elt) + 256.0 for elt in data]
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self.assertEqual(list(im.getdata()), target)
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def test_array_B(self):
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# shouldn't segfault
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# see https://github.com/python-pillow/Pillow/issues/1008
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arr = array('B', [0])*15000
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im = Image.new('L', (150, 100))
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im.putdata(arr)
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self.assertEqual(len(im.getdata()), len(arr))
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def test_array_F(self):
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# shouldn't segfault
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# see https://github.com/python-pillow/Pillow/issues/1008
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im = Image.new('F', (150, 100))
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arr = array('f', [0.0])*15000
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im.putdata(arr)
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self.assertEqual(len(im.getdata()), len(arr))
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