Function test_interp_like

xarray/tests/test_interp.py:678–700

()

@requires_scipy
def test_interp_like() -> None:
    ds = create_test_data()
    ds.attrs["foo"] = "var"
    ds["var1"].attrs["buz"] = "var2"

    other = xr.DataArray(np.random.randn(3), dims=["dim2"], coords={"dim2": [0, 1, 2]})
    interpolated = ds.interp_like(other)

    assert_allclose(interpolated["var1"], ds["var1"].interp(dim2=other["dim2"]))
    assert_allclose(interpolated["var1"], ds["var1"].interp_like(other))
    assert interpolated["var3"].equals(ds["var3"])

    # attrs should be kept
    assert interpolated.attrs["foo"] == "var"
    assert interpolated["var1"].attrs["buz"] == "var2"

    other = xr.DataArray(
        np.random.randn(3), dims=["dim3"], coords={"dim3": ["a", "b", "c"]}
    )

    actual = ds.interp_like(other)
    expected = ds.reindex_like(other)
    assert_allclose(actual, expected)


@requires_scipy