mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-11-04 09:57:43 +03:00
70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
from helper import unittest, PillowTestCase, hopper
|
|
|
|
from PIL import Image, ImImagePlugin
|
|
|
|
# sample im
|
|
TEST_IM = "Tests/images/hopper.im"
|
|
|
|
|
|
class TestFileIm(PillowTestCase):
|
|
|
|
def test_sanity(self):
|
|
im = Image.open(TEST_IM)
|
|
im.load()
|
|
self.assertEqual(im.mode, "RGB")
|
|
self.assertEqual(im.size, (128, 128))
|
|
self.assertEqual(im.format, "IM")
|
|
|
|
def test_tell(self):
|
|
# Arrange
|
|
im = Image.open(TEST_IM)
|
|
|
|
# Act
|
|
frame = im.tell()
|
|
|
|
# Assert
|
|
self.assertEqual(frame, 0)
|
|
|
|
def test_n_frames(self):
|
|
im = Image.open(TEST_IM)
|
|
self.assertEqual(im.n_frames, 1)
|
|
self.assertFalse(im.is_animated)
|
|
|
|
def test_eoferror(self):
|
|
im = Image.open(TEST_IM)
|
|
n_frames = im.n_frames
|
|
|
|
# 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_roundtrip(self):
|
|
for mode in ["RGB", "P"]:
|
|
out = self.tempfile('temp.im')
|
|
im = hopper(mode)
|
|
im.save(out)
|
|
reread = Image.open(out)
|
|
|
|
self.assert_image_equal(reread, im)
|
|
|
|
def test_save_unsupported_mode(self):
|
|
out = self.tempfile('temp.im')
|
|
im = hopper("HSV")
|
|
self.assertRaises(ValueError, im.save, out)
|
|
|
|
def test_invalid_file(self):
|
|
invalid_file = "Tests/images/flower.jpg"
|
|
|
|
self.assertRaises(SyntaxError,
|
|
ImImagePlugin.ImImageFile, invalid_file)
|
|
|
|
def test_number(self):
|
|
self.assertEqual(1.2, ImImagePlugin.number("1.2"))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|