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Method test_drop_index_labels

xarray/tests/test_dataset.py:3035–3079  ·  view source on GitHub ↗
(self)

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3033 assert_identical(expected, actual)
3034
3035 def test_drop_index_labels(self) -> None:
3036 data = Dataset({"A": (["x", "y"], np.random.randn(2, 3)), "x": ["a", "b"]})
3037
3038 with pytest.warns(FutureWarning):
3039 actual = data.drop(["a"], dim="x")
3040 expected = data.isel(x=[1])
3041 assert_identical(expected, actual)
3042
3043 with pytest.warns(FutureWarning):
3044 actual = data.drop(["a", "b"], dim="x")
3045 expected = data.isel(x=slice(0, 0))
3046 assert_identical(expected, actual)
3047
3048 with pytest.raises(KeyError):
3049 # not contained in axis
3050 with pytest.warns(FutureWarning):
3051 data.drop(["c"], dim="x")
3052
3053 with pytest.warns(FutureWarning):
3054 actual = data.drop(["c"], dim="x", errors="ignore")
3055 assert_identical(data, actual)
3056
3057 with pytest.raises(ValueError):
3058 data.drop(["c"], dim="x", errors="wrong_value") # type: ignore[arg-type]
3059
3060 with pytest.warns(FutureWarning):
3061 actual = data.drop(["a", "b", "c"], "x", errors="ignore")
3062 expected = data.isel(x=slice(0, 0))
3063 assert_identical(expected, actual)
3064
3065 # DataArrays as labels are a nasty corner case as they are not
3066 # Iterable[Hashable] - DataArray.__iter__ yields scalar DataArrays.
3067 actual = data.drop_sel(x=DataArray(["a", "b", "c"]), errors="ignore")
3068 expected = data.isel(x=slice(0, 0))
3069 assert_identical(expected, actual)
3070 with pytest.warns(FutureWarning):
3071 data.drop(DataArray(["a", "b", "c"]), dim="x", errors="ignore")
3072 assert_identical(expected, actual)
3073
3074 actual = data.drop_sel(y=[1])
3075 expected = data.isel(y=[0, 2])
3076 assert_identical(expected, actual)
3077
3078 with pytest.raises(KeyError, match=r"not found in axis"):
3079 data.drop_sel(x=0)
3080
3081 def test_drop_labels_by_keyword(self) -> None:
3082 data = Dataset(

Callers

nothing calls this directly

Calls 6

dropMethod · 0.95
iselMethod · 0.95
drop_selMethod · 0.95
DatasetClass · 0.90
assert_identicalFunction · 0.90
DataArrayClass · 0.90

Tested by

no test coverage detected