Pillow/Tests/test_file_psd.py

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from helper import 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"
data = open(test_file, "rb").read()
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class TestImagePsd(PillowTestCase):
def test_sanity(self):
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im = Image.open(test_file)
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im.load()
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PSD")
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def test_invalid_file(self):
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invalid_file = "Tests/images/flower.jpg"
self.assertRaises(SyntaxError,
lambda: PsdImagePlugin.PsdImageFile(invalid_file))
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def test_n_frames(self):
im = Image.open("Tests/images/hopper_merged.psd")
self.assertEqual(im.n_frames, 1)
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self.assertFalse(im.is_animated)
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im = Image.open(test_file)
self.assertEqual(im.n_frames, 2)
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self.assertTrue(im.is_animated)
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def test_eoferror(self):
im = Image.open(test_file)
n_frames = im.n_frames
while True:
n_frames -= 1
try:
# PSD seek index starts at 1 rather than 0
im.seek(n_frames+1)
break
except EOFError:
self.assertTrue(im.tell() < n_frames)
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if __name__ == '__main__':
unittest.main()