Method test_read_cache_line_lengths

tests/test_black.py:2470–2481

(self)

                cache.write([])

    def test_read_cache_line_lengths(self) -> None:
        mode = DEFAULT_MODE
        short_mode = replace(DEFAULT_MODE, line_length=1)
        with cache_dir() as workspace:
            path = (workspace / "file.py").resolve()
            path.touch()
            cache = black.Cache.read(mode)
            cache.write([path])
            one = black.Cache.read(mode)
            assert not one.is_changed(path)
            two = black.Cache.read(short_mode)
            assert two.is_changed(path)

    def test_cache_key(self) -> None:
        # Test that all members of the mode enum affect the cache key.