Pillow/Tests/test_file_dcx.py

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2014-07-17 02:20:19 +04:00
from helper import unittest, PillowTestCase, lena
from PIL import Image, DcxImagePlugin
# Created with ImageMagick: convert lena.ppm lena.dcx
TEST_FILE = "Tests/images/lena.dcx"
class TestFileDcx(PillowTestCase):
def test_sanity(self):
# Arrange
# Act
im = Image.open(TEST_FILE)
# Assert
self.assertEqual(im.size, (128, 128))
self.assertIsInstance(im, DcxImagePlugin.DcxImageFile)
orig = lena()
self.assert_image_equal(im, orig)
def test_tell(self):
# Arrange
im = Image.open(TEST_FILE)
# Act
frame = im.tell()
# Assert
self.assertEqual(frame, 0)
def test_seek_too_far(self):
# Arrange
im = Image.open(TEST_FILE)
frame = 999 # too big on purpose
# Act / Assert
self.assertRaises(EOFError, lambda: im.seek(frame))
if __name__ == '__main__':
unittest.main()
# End of file