Function _assert_variable_invariants

xarray/testing/assertions.py:416–435

(
    var: Variable | Any,
    name: Hashable = None,
)

def _assert_variable_invariants(
    var: Variable | Any,
    name: Hashable = None,
) -> None:
    if name is None:
        name_or_empty: tuple = ()
    else:
        name_or_empty = (name,)

    assert isinstance(var, Variable), {name: type(var)}

    assert isinstance(var._dims, tuple), name_or_empty + (var._dims,)
    assert len(var._dims) == len(var._data.shape), name_or_empty + (
        var._dims,
        var._data.shape,
    )
    assert isinstance(var._encoding, type(None) | dict), name_or_empty + (
        var._encoding,
    )
    assert isinstance(var._attrs, type(None) | dict), name_or_empty + (var._attrs,)


def _assert_dataarray_invariants(da: DataArray, check_default_indexes: bool):