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Fix PT031 (#135)

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Hugo van Kemenade 2025-06-27 14:30:41 +03:00 committed by GitHub
commit 6aff8fcc18
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1 changed files with 24 additions and 21 deletions
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45
Tests/test_file_apng.py
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@ -303,11 +303,11 @@ def test_apng_chunk_errors() -> None:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.warns(UserWarning, match="Invalid APNG"): # noqa: PT031
with Image.open("Tests/images/apng/chunk_multi_actl.png") as im:
im.load()
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/chunk_multi_actl.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.close()
with Image.open("Tests/images/apng/chunk_actl_after_idat.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
@ -330,18 +330,20 @@ def test_apng_chunk_errors() -> None:
def test_apng_syntax_errors() -> None:
with pytest.warns(UserWarning, match="Invalid APNG"): # noqa: PT031
with Image.open("Tests/images/apng/syntax_num_frames_zero.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.raises(OSError):
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_zero.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.raises(OSError):
im.load()
im.close()
with pytest.warns(UserWarning, match="Invalid APNG"): # noqa: PT031
with Image.open("Tests/images/apng/syntax_num_frames_zero_default.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_zero_default.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
im.close()
# we can handle this case gracefully
with Image.open("Tests/images/apng/syntax_num_frames_low.png") as im:
@ -354,11 +356,12 @@ def test_apng_syntax_errors() -> None:
im.seek(im.n_frames - 1)
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"): # noqa: PT031
with Image.open("Tests/images/apng/syntax_num_frames_invalid.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_invalid.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
im.close()
@pytest.mark.parametrize(