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69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
from __future__ import annotations
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import warnings
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from pathlib import Path
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import pytest
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from PIL import Image, TarIO, features
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from .helper import is_pypy
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# Sample tar archive
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TEST_TAR_FILE = "Tests/images/hopper.tar"
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@pytest.mark.parametrize(
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"codec, test_path, format",
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(
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("zlib", "hopper.png", "PNG"),
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("jpg", "hopper.jpg", "JPEG"),
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),
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)
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def test_sanity(codec: str, test_path: str, format: str) -> None:
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if features.check(codec):
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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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assert im.mode == "RGB"
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assert im.size == (128, 128)
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assert im.format == format
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def test_unexpected_end(tmp_path: Path) -> None:
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tmpfile = str(tmp_path / "temp.tar")
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with open(tmpfile, "w"):
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pass
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with pytest.raises(OSError, match="unexpected end of tar file"):
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with TarIO.TarIO(tmpfile, "test"):
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pass
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def test_cannot_find_subfile() -> None:
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with pytest.raises(OSError, match="cannot find subfile"):
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with TarIO.TarIO(TEST_TAR_FILE, "test"):
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pass
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@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
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def test_unclosed_file() -> None:
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with pytest.warns(ResourceWarning):
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TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
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def test_close() -> None:
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with warnings.catch_warnings():
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warnings.simplefilter("error")
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tar = TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
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tar.close()
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def test_contextmanager() -> None:
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with warnings.catch_warnings():
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warnings.simplefilter("error")
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with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"):
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pass
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