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87 lines
2.2 KiB
Python
87 lines
2.2 KiB
Python
from helper import hopper, unittest, PillowTestCase
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from PIL import Image, PsdImagePlugin
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# sample ppm stream
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test_file = "Tests/images/hopper.psd"
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class TestImagePsd(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, "RGB")
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self.assertEqual(im.size, (128, 128))
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self.assertEqual(im.format, "PSD")
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im2 = hopper()
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self.assert_image_similar(im, im2, 4.8)
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def test_invalid_file(self):
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invalid_file = "Tests/images/flower.jpg"
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self.assertRaises(SyntaxError,
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lambda: PsdImagePlugin.PsdImageFile(invalid_file))
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def test_n_frames(self):
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im = Image.open("Tests/images/hopper_merged.psd")
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self.assertEqual(im.n_frames, 1)
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self.assertFalse(im.is_animated)
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im = Image.open(test_file)
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self.assertEqual(im.n_frames, 2)
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self.assertTrue(im.is_animated)
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def test_eoferror(self):
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im = Image.open(test_file)
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n_frames = im.n_frames
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while True:
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n_frames -= 1
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try:
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# PSD seek index starts at 1 rather than 0
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im.seek(n_frames+1)
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break
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except EOFError:
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self.assertTrue(im.tell() < n_frames)
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def test_seek_tell(self):
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im = Image.open(test_file)
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layer_number = im.tell()
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self.assertEqual(layer_number, 0)
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im.seek(0)
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layer_number = im.tell()
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self.assertEqual(layer_number, 0)
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im.seek(1)
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layer_number = im.tell()
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self.assertEqual(layer_number, 1)
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im.seek(2)
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layer_number = im.tell()
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self.assertEqual(layer_number, 2)
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def test_seek_eoferror(self):
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im = Image.open(test_file)
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self.assertRaises(EOFError, lambda: im.seek(-1))
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def test_icc_profile(self):
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im = Image.open(test_file)
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self.assertIn("icc_profile", im.info)
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icc_profile = im.info["icc_profile"]
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self.assertEqual(len(icc_profile), 3144)
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def test_no_icc_profile(self):
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im = Image.open("Tests/images/hopper_merged.psd")
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self.assertNotIn("icc_profile", im.info)
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if __name__ == '__main__':
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unittest.main()
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