Function test_reference_cycle_namedtuple

tests/test_pretty.py:330–344

()

def test_reference_cycle_namedtuple() -> None:
    class Example(NamedTuple):
        x: int
        y: Any

    test = Example(1, [Example(2, [])])
    test.y[0].y.append(test)
    res = pretty_repr(test)
    assert res == class="st">"Example(x=1, y=[Example(x=2, y=[...])])"

    class="cm"># Not a cyclic reference, just a repeated reference
    a = Example(2, None)
    test = Example(1, [a, a])
    res = pretty_repr(test)
    assert res == class="st">"Example(x=1, y=[Example(x=2, y=None), Example(x=2, y=None)])"


def test_reference_cycle_dataclass() -> None: