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53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image, ImageSequence, TiffImagePlugin
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class TestImageSequence(PillowTestCase):
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def test_sanity(self):
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test_file = self.tempfile("temp.im")
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im = hopper("RGB")
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im.save(test_file)
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seq = ImageSequence.Iterator(im)
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index = 0
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for frame in seq:
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self.assert_image_equal(im, frame)
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self.assertEqual(im.tell(), index)
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index += 1
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self.assertEqual(index, 1)
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self.assertRaises(AttributeError, lambda: ImageSequence.Iterator(0))
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def _test_multipage_tiff(self, dbg=False):
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im = Image.open('Tests/images/multipage.tiff')
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for index, frame in enumerate(ImageSequence.Iterator(im)):
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frame.load()
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self.assertEqual(index, im.tell())
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frame.convert('RGB')
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def test_tiff(self):
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# self._test_multipage_tiff(True)
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self._test_multipage_tiff(False)
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def test_libtiff(self):
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codecs = dir(Image.core)
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if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs:
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self.skipTest("tiff support not available")
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TiffImagePlugin.READ_LIBTIFF = True
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# self._test_multipage_tiff(True)
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self._test_multipage_tiff(False)
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TiffImagePlugin.READ_LIBTIFF = False
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if __name__ == '__main__':
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unittest.main()
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# End of file
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