Pillow/Tests/test_file_tar.py
2019-11-26 07:03:23 +11:00

51 lines
1.4 KiB
Python

import unittest
from PIL import Image, TarIO
from .helper import PillowTestCase, is_pypy
codecs = dir(Image.core)
# Sample tar archive
TEST_TAR_FILE = "Tests/images/hopper.tar"
class TestFileTar(PillowTestCase):
def setUp(self):
if "zip_decoder" not in codecs and "jpeg_decoder" not in codecs:
self.skipTest("neither jpeg nor zip support available")
def test_sanity(self):
for codec, test_path, format in [
["zip_decoder", "hopper.png", "PNG"],
["jpeg_decoder", "hopper.jpg", "JPEG"],
]:
if codec in codecs:
with TarIO.TarIO(TEST_TAR_FILE, test_path) as tar:
with Image.open(tar) as im:
im.load()
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
self.assertEqual(im.format, format)
@unittest.skipIf(is_pypy(), "Requires CPython")
def test_unclosed_file(self):
def open():
TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
self.assert_warning(ResourceWarning, open)
def test_close(self):
def open():
tar = TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
tar.close()
self.assert_warning(None, open)
def test_contextmanager(self):
def open():
with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"):
pass
self.assert_warning(None, open)