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9175706300
Support for plugins requiring olefile will not be loaded if it is not installed. Allows library consumers to avoid installing this dependency if they choose. Some library consumers have little interest in the format support and would like to keep dependencies to a minimum.
70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image, ImagePalette
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try:
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from PIL import MicImagePlugin
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except ImportError:
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olefile_installed = False
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else:
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olefile_installed = True
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TEST_FILE = "Tests/images/hopper.mic"
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@unittest.skipUnless(olefile_installed, "olefile package not installed")
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class TestFileMic(PillowTestCase):
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def test_sanity(self):
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im = Image.open(TEST_FILE)
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im.load()
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self.assertEqual(im.mode, "RGBA")
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self.assertEqual(im.size, (128, 128))
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self.assertEqual(im.format, "MIC")
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# Adjust for the gamma of 2.2 encoded into the file
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lut = ImagePalette.make_gamma_lut(1/2.2)
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im = Image.merge('RGBA', [chan.point(lut) for chan in im.split()])
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im2 = hopper("RGBA")
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self.assert_image_similar(im, im2, 10)
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def test_n_frames(self):
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im = Image.open(TEST_FILE)
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self.assertEqual(im.n_frames, 1)
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def test_is_animated(self):
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im = Image.open(TEST_FILE)
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self.assertFalse(im.is_animated)
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def test_tell(self):
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im = Image.open(TEST_FILE)
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self.assertEqual(im.tell(), 0)
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def test_seek(self):
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im = Image.open(TEST_FILE)
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im.seek(0)
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self.assertEqual(im.tell(), 0)
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self.assertRaises(EOFError, im.seek, 99)
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self.assertEqual(im.tell(), 0)
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def test_invalid_file(self):
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# Test an invalid OLE file
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invalid_file = "Tests/images/flower.jpg"
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self.assertRaises(SyntaxError,
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MicImagePlugin.MicImageFile, invalid_file)
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# Test a valid OLE file, but not a MIC file
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ole_file = "Tests/images/test-ole-file.doc"
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self.assertRaises(SyntaxError,
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MicImagePlugin.MicImageFile, ole_file)
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if __name__ == '__main__':
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unittest.main()
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