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Improve features test coverage #9077

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Merged
hugovk merged 1 commit into from
Jul 31, 2025
Merged

Improve features test coverage #9077

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19 changes: 19 additions & 0 deletions Tests/test_features.py
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,25 @@ def test_unsupported_module() -> None:
features.version_module(module)


def test_unsupported_feature() -> None:
# Arrange
feature = "unsupported_feature"
# Act / Assert
with pytest.raises(ValueError):
features.check_feature(feature)
with pytest.raises(ValueError):
features.version_feature(feature)


def test_unsupported_version() -> None:
assert features.version("unsupported_version") is None


def test_modulenotfound(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(features, "features", {"test": ("PIL._test", "", "")})
assert features.check_feature("test") is None


@pytest.mark.parametrize("supported_formats", (True, False))
def test_pilinfo(supported_formats: bool) -> None:
buf = io.StringIO()
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