Method check

xarray/tests/test_variable.py:2859–2865

(actual, expect_dtype, expect_values)

        ).chunk(dict(x=(1, 1), y=(2,)))

        def check(actual, expect_dtype, expect_values):
            assert actual.dtype == expect_dtype
            assert actual.shape == orig.shape
            assert actual.dims == orig.dims
            assert actual.attrs == orig.attrs
            assert actual.chunks == orig.chunks
            assert_array_equal(actual.values, expect_values)

        check(full_like(orig, 2), orig.dtype, np.full_like(orig.values, 2))
        # override dtype