Function test_recursive_exception

tests/test_traceback.py:378–399

Regression test for https://github.com/Textualize/rich/issues/3708 Test this doesn't create an infinite loop.

()

def test_recursive_exception() -> None:
    """Regression test for https://github.com/Textualize/rich/issues/3708

    Test this doesn't create an infinite loop.

    """
    console = Console()

    def foo() -> None:
        try:
            raise RuntimeError("Hello")
        except Exception as e:
            raise e from e

    def bar() -> None:
        try:
            foo()
        except Exception as e:
            assert e is e.__cause__
            console.print_exception(show_locals=True)

    bar()