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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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