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70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
from helper import unittest, PillowTestCase
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from PIL import features
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try:
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from PIL import _webp
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HAVE_WEBP = True
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except ImportError:
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HAVE_WEBP = False
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class TestFeatures(PillowTestCase):
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def test_check(self):
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# Check the correctness of the convenience function
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for module in features.modules:
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self.assertEqual(features.check_module(module),
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features.check(module))
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for codec in features.codecs:
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self.assertEqual(features.check_codec(codec),
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features.check(codec))
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for feature in features.features:
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self.assertEqual(features.check_feature(feature),
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features.check(feature))
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_transparency(self):
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self.assertEqual(features.check('transp_webp'),
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not _webp.WebPDecoderBuggyAlpha())
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self.assertEqual(features.check('transp_webp'),
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_webp.HAVE_TRANSPARENCY)
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_mux(self):
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self.assertEqual(features.check('webp_mux'),
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_webp.HAVE_WEBPMUX)
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@unittest.skipUnless(HAVE_WEBP, "WebP not available")
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def test_webp_anim(self):
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self.assertEqual(features.check('webp_anim'),
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_webp.HAVE_WEBPANIM)
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def test_check_modules(self):
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for feature in features.modules:
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self.assertIn(features.check_module(feature), [True, False])
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for feature in features.codecs:
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self.assertIn(features.check_codec(feature), [True, False])
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def test_supported_modules(self):
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self.assertIsInstance(features.get_supported_modules(), list)
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self.assertIsInstance(features.get_supported_codecs(), list)
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self.assertIsInstance(features.get_supported_features(), list)
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self.assertIsInstance(features.get_supported(), list)
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def test_unsupported_codec(self):
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# Arrange
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codec = "unsupported_codec"
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# Act / Assert
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self.assertRaises(ValueError, features.check_codec, codec)
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def test_unsupported_module(self):
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# Arrange
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module = "unsupported_module"
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# Act / Assert
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self.assertRaises(ValueError, features.check_module, module)
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if __name__ == '__main__':
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unittest.main()
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