Pillow/Tests/test_file_psd.py
2017-09-30 13:33:13 +10:00

83 lines
2.2 KiB
Python

from helper import hopper, unittest, PillowTestCase
from PIL import Image, PsdImagePlugin
test_file = "Tests/images/hopper.psd"
class TestImagePsd(PillowTestCase):
def test_sanity(self):
im = Image.open(test_file)
im.load()
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, "PSD")
im2 = hopper()
self.assert_image_similar(im, im2, 4.8)
def test_invalid_file(self):
invalid_file = "Tests/images/flower.jpg"
self.assertRaises(SyntaxError,
PsdImagePlugin.PsdImageFile, invalid_file)
def test_n_frames(self):
im = Image.open("Tests/images/hopper_merged.psd")
self.assertEqual(im.n_frames, 1)
self.assertFalse(im.is_animated)
im = Image.open(test_file)
self.assertEqual(im.n_frames, 2)
self.assertTrue(im.is_animated)
def test_eoferror(self):
im = Image.open(test_file)
# PSD seek index starts at 1 rather than 0
n_frames = im.n_frames+1
# Test seeking past the last frame
self.assertRaises(EOFError, im.seek, n_frames)
self.assertLess(im.tell(), n_frames)
# Test that seeking to the last frame does not raise an error
im.seek(n_frames-1)
def test_seek_tell(self):
im = Image.open(test_file)
layer_number = im.tell()
self.assertEqual(layer_number, 1)
self.assertRaises(EOFError, im.seek, 0)
im.seek(1)
layer_number = im.tell()
self.assertEqual(layer_number, 1)
im.seek(2)
layer_number = im.tell()
self.assertEqual(layer_number, 2)
def test_seek_eoferror(self):
im = Image.open(test_file)
self.assertRaises(EOFError, im.seek, -1)
def test_icc_profile(self):
im = Image.open(test_file)
self.assertIn("icc_profile", im.info)
icc_profile = im.info["icc_profile"]
self.assertEqual(len(icc_profile), 3144)
def test_no_icc_profile(self):
im = Image.open("Tests/images/hopper_merged.psd")
self.assertNotIn("icc_profile", im.info)
if __name__ == '__main__':
unittest.main()