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Add docstrings
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@ -7,9 +7,11 @@ TEST_FILE_DXT3 = "Tests/images/dxt3-argb-8bbp-explicitalpha_MipMaps-1.dds"
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TEST_FILE_DXT5 = "Tests/images/dxt5-argb-8bbp-interpolatedalpha_MipMaps-1.dds"
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TEST_FILE_DXT5 = "Tests/images/dxt5-argb-8bbp-interpolatedalpha_MipMaps-1.dds"
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class TestFileCur(PillowTestCase):
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class TestFileDds(PillowTestCase):
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"""Test DdsImagePlugin"""
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def test_sanity_dxt1(self):
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def test_sanity_dxt1(self):
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"""Check DXT1 images can be opened"""
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im = Image.open(TEST_FILE_DXT1)
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im = Image.open(TEST_FILE_DXT1)
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self.assertEqual(im.format, "DDS")
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self.assertEqual(im.format, "DDS")
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@ -18,6 +20,7 @@ class TestFileCur(PillowTestCase):
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self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
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self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
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def test_sanity_dxt5(self):
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def test_sanity_dxt5(self):
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"""Check DXT5 images can be opened"""
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im = Image.open(TEST_FILE_DXT5)
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im = Image.open(TEST_FILE_DXT5)
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self.assertEqual(im.format, "DDS")
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self.assertEqual(im.format, "DDS")
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@ -26,10 +29,12 @@ class TestFileCur(PillowTestCase):
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self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
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self.assertIsInstance(im, DdsImagePlugin.DdsImageFile)
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def test_sanity_dxt3(self):
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def test_sanity_dxt3(self):
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"""Check DXT3 images are not supported"""
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self.assertRaises(NotImplementedError,
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self.assertRaises(NotImplementedError,
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lambda: Image.open(TEST_FILE_DXT3))
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lambda: Image.open(TEST_FILE_DXT3))
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def test__validate_true(self):
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def test__validate_true(self):
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"""Check valid prefix"""
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# Arrange
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# Arrange
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prefix = b"DDS etc"
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prefix = b"DDS etc"
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@ -40,6 +45,7 @@ class TestFileCur(PillowTestCase):
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self.assertTrue(output)
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self.assertTrue(output)
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def test__validate_false(self):
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def test__validate_false(self):
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"""Check invalid prefix"""
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# Arrange
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# Arrange
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prefix = b"something invalid"
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prefix = b"something invalid"
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