Function test_reference_cycle_dataclass

tests/test_pretty.py:347–367

()

def test_reference_cycle_dataclass() -> None:
    @dataclass
    class Example:
        x: int
        y: Any

    test = Example(1, None)
    test.y = test
    res = pretty_repr(test)
    assert res == "Example(x=1, y=...)"

    test = Example(1, Example(2, None))
    test.y.y = test
    res = pretty_repr(test)
    assert res == "Example(x=1, y=Example(x=2, y=...))"

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


def test_reference_cycle_attrs() -> None: