Function test_datetime_mean

xarray/tests/test_groupby.py:3755–3770

(chunk, use_cftime)

    ],
)
def test_datetime_mean(chunk, use_cftime):
    ds = xr.Dataset(
        {
            "var1": (
                ("time",),
                xr.date_range(
                    "2021-10-31", periods=10, freq="D", use_cftime=use_cftime
                ),
            ),
            "var2": (("x",), list(range(10))),
        }
    )
    if chunk:
        ds = ds.chunk()
    assert "var1" in ds.groupby("x").mean("time")
    assert "var1" in ds.mean("x")


def test_mean_with_mixed_types():