Method test_trim_source

mypy/test/testformatter.py:9–51

(self)

class FancyErrorFormattingTestCases(TestCase):
    def test_trim_source(self) -> None:
        assert trim_source_line("0123456789abcdef", max_len=16, col=5, min_width=2) == (
            "0123456789abcdef",
            0,
        )

        # Locations near start.
        assert trim_source_line("0123456789abcdef", max_len=7, col=0, min_width=2) == (
            "0123456...",
            0,
        )
        assert trim_source_line("0123456789abcdef", max_len=7, col=4, min_width=2) == (
            "0123456...",
            0,
        )

        # Middle locations.
        assert trim_source_line("0123456789abcdef", max_len=7, col=5, min_width=2) == (
            "...1234567...",
            -2,
        )
        assert trim_source_line("0123456789abcdef", max_len=7, col=6, min_width=2) == (
            "...2345678...",
            -1,
        )
        assert trim_source_line("0123456789abcdef", max_len=7, col=8, min_width=2) == (
            "...456789a...",
            1,
        )

        # Locations near the end.
        assert trim_source_line("0123456789abcdef", max_len=7, col=11, min_width=2) == (
            "...789abcd...",
            4,
        )
        assert trim_source_line("0123456789abcdef", max_len=7, col=13, min_width=2) == (
            "...9abcdef",
            6,
        )
        assert trim_source_line("0123456789abcdef", max_len=7, col=15, min_width=2) == (
            "...9abcdef",
            6,
        )

    def test_split_words(self) -> None:
        assert split_words("Simple message") == ["Simple", "message"]