Method test_open_mfdataset_no_files

xarray/tests/test_backends.py:5996–6001

(self)

    @requires_fsspec
    def test_open_mfdataset_no_files(self) -> None:
        pytest.importorskip("aiobotocore")

        # glob is attempted as of #4823, but finds no files
        with pytest.raises(OSError, match=r"no files"):
            open_mfdataset("http://some/remote/uri", engine="zarr")

    def test_open_mfdataset_2d(self) -> None:
        original = Dataset({"foo": (["x", "y"], np.random.randn(10, 8))})