Method test_file_remains_open

xarray/tests/test_backends.py:2559–2568

(self)

    engine: T_NetcdfEngine

    def test_file_remains_open(self) -> None:
        data = Dataset({"foo": ("x", [1, 2, 3])})
        f = BytesIO()
        data.to_netcdf(f, engine=self.engine)
        assert not f.closed
        restored = open_dataset(f, engine=self.engine)
        assert not f.closed
        assert_identical(restored, data)
        restored.close()
        assert not f.closed


@requires_h5netcdf_or_netCDF4