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64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
from .helper import unittest, PillowTestCase, hopper
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from PIL import Image, ImagePalette, features
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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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@unittest.skipUnless(features.check("libtiff"), "libtiff 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, 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, MicImagePlugin.MicImageFile, ole_file)
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