Function test_eval_error_invalid_assignment

xarray/tests/test_eval.py:337–342

Test error message when assignment target is invalid.

()

def test_eval_error_invalid_assignment() -> None:
    """Test error message when assignment target is invalid."""
    ds = Dataset({"a": ("x", [1, 2, 3])})
    # "1 = a" should fail during parsing - can't assign to a literal
    with pytest.raises(ValueError, match="Invalid"):
        ds.eval("1 = a")


def test_eval_error_dunder_access() -> None: