Method test_append_overwrite_values

xarray/tests/test_backends.py:1599–1608

(self)

            assert_identical(data, actual)

    def test_append_overwrite_values(self) -> None:
        # regression for GH1215
        data = create_test_data()
        with create_tmp_file(allow_cleanup_failure=False) as tmp_file:
            self.save(data, tmp_file, mode="w")
            data["var2"][:] = -999
            data["var9"] = data["var2"] * 3
            self.save(data[["var2", "var9"]], tmp_file, mode="a")
            with self.open(tmp_file) as actual:
                assert_identical(data, actual)

    def test_append_with_invalid_dim_raises(self) -> None:
        data = create_test_data()