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57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
from helper import unittest, PillowTestCase, hopper
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import io
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from PIL import Image, IcoImagePlugin
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# sample ppm stream
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TEST_ICO_FILE = "Tests/images/hopper.ico"
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TEST_DATA = open(TEST_ICO_FILE, "rb").read()
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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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lambda: 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'], set([(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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if __name__ == '__main__':
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unittest.main()
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# End of file
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