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