Method test_data_arg

xarray/tests/test_datatree.py:64–70

(self)

            DataTree(name="folder/data")

    def test_data_arg(self) -> None:
        ds = xr.Dataset({"foo": 42})
        tree: DataTree = DataTree(dataset=ds)
        assert_identical(tree.to_dataset(), ds)

        with pytest.raises(TypeError):
            DataTree(dataset=xr.DataArray(42, name="foo"))  # type: ignore[arg-type]

    def test_child_data_not_copied(self) -> None:
        # regression test for https://github.com/pydata/xarray/issues/9683