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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.
85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
from .helper import PillowTestCase, hopper
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import io
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from PIL import Image, IcoImagePlugin
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TEST_ICO_FILE = "Tests/images/hopper.ico"
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class TestFileIco(PillowTestCase):
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def test_sanity(self):
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im = Image.open(TEST_ICO_FILE)
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im.load()
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self.assertEqual(im.mode, "RGBA")
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self.assertEqual(im.size, (16, 16))
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self.assertEqual(im.format, "ICO")
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def test_invalid_file(self):
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with open("Tests/images/flower.jpg", "rb") as fp:
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self.assertRaises(SyntaxError,
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IcoImagePlugin.IcoImageFile, fp)
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def test_save_to_bytes(self):
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output = io.BytesIO()
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im = hopper()
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im.save(output, "ico", sizes=[(32, 32), (64, 64)])
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# the default image
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output.seek(0)
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reloaded = Image.open(output)
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self.assertEqual(reloaded.info['sizes'], {(32, 32), (64, 64)})
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self.assertEqual(im.mode, reloaded.mode)
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self.assertEqual((64, 64), reloaded.size)
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self.assertEqual(reloaded.format, "ICO")
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self.assert_image_equal(reloaded,
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hopper().resize((64, 64), Image.LANCZOS))
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# the other one
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output.seek(0)
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reloaded = Image.open(output)
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reloaded.size = (32, 32)
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self.assertEqual(im.mode, reloaded.mode)
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self.assertEqual((32, 32), reloaded.size)
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self.assertEqual(reloaded.format, "ICO")
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self.assert_image_equal(reloaded,
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hopper().resize((32, 32), Image.LANCZOS))
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def test_incorrect_size(self):
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im = Image.open(TEST_ICO_FILE)
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with self.assertRaises(ValueError):
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im.size = (1, 1)
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def test_save_256x256(self):
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"""Issue #2264 https://github.com/python-pillow/Pillow/issues/2264"""
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# Arrange
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im = Image.open("Tests/images/hopper_256x256.ico")
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outfile = self.tempfile("temp_saved_hopper_256x256.ico")
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# Act
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im.save(outfile)
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im_saved = Image.open(outfile)
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# Assert
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self.assertEqual(im_saved.size, (256, 256))
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def test_only_save_relevant_sizes(self):
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"""Issue #2266 https://github.com/python-pillow/Pillow/issues/2266
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Should save in 16x16, 24x24, 32x32, 48x48 sizes
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and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes
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"""
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# Arrange
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im = Image.open("Tests/images/python.ico") # 16x16, 32x32, 48x48
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outfile = self.tempfile("temp_saved_python.ico")
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# Act
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im.save(outfile)
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im_saved = Image.open(outfile)
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# Assert
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self.assertEqual(
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im_saved.info['sizes'],
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{(16, 16), (24, 24), (32, 32), (48, 48)})
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