Method test_concat_lazy

xarray/tests/test_concat.py:1235–1247

(self)

    @requires_dask
    def test_concat_lazy(self) -> None:
        import dask.array as da

        arrays = [
            DataArray(
                da.from_array(InaccessibleArray(np.zeros((3, 3))), 3), dims=["x", "y"]
            )
            for _ in range(2)
        ]
        # should not raise
        combined = concat(arrays, dim="z")
        assert combined.shape == (2, 3, 3)
        assert combined.dims == ("z", "x", "y")

    def test_concat_avoids_index_auto_creation(self) -> None:
        # TODO once passing indexes={} directly to DataArray constructor is allowed then no need to create coords first