Function _assert_error_trace

python/pathway/tests/test_error_messages.py:221–228

(error_type: type, *, match: str | None = None)

@contextlib.contextmanager
def _assert_error_trace(error_type: type, *, match: str | None = None):
    file_name = os.path.abspath(__file__)
    with pytest.raises(error_type, match=match) as e:
        yield e
    assert re.match(
        rf"Occurred here:\n    Line: .* # cause\n    File: {re.escape(file_name)}:\d+$",
        e.value._pathway_trace_note,
    )


def test_traceback_expression():