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How to use test_set_index_append method in pandera

Best Python code snippet using pandera_python

test_set_index.py

Source:test_set_index.py

...113        tm.assert_frame_equal(result, expected)114    # A has duplicate values, C does not115    @pytest.mark.parametrize("keys", ["A", "C", ["A", "B"], ("tuple", "as", "label")])116    @pytest.mark.parametrize("drop", [True, False])117    def test_set_index_append(self, frame_of_index_cols, drop, keys):118        df = frame_of_index_cols119        keys = keys if isinstance(keys, list) else [keys]120        idx = MultiIndex.from_arrays(121            [df.index] + [df[x] for x in keys], names=[None] + keys122        )123        expected = df.drop(keys, axis=1) if drop else df.copy()124        expected.index = idx125        result = df.set_index(keys, drop=drop, append=True)126        tm.assert_frame_equal(result, expected)127    # A has duplicate values, C does not128    @pytest.mark.parametrize("keys", ["A", "C", ["A", "B"], ("tuple", "as", "label")])129    @pytest.mark.parametrize("drop", [True, False])130    def test_set_index_append_to_multiindex(self, frame_of_index_cols, drop, keys):131        # append to existing multiindex...

test_alter_axes.pyi

Source:test_alter_axes.pyi

...14    def test_set_index_drop_inplace(15            self, frame_of_index_cols: Any, drop: Any, inplace: Any,16            keys: Any) -> None:17        ...18    def test_set_index_append(19            self, frame_of_index_cols: Any, drop: Any, keys: Any) -> None:20        ...21    def test_set_index_append_to_multiindex(22            self, frame_of_index_cols: Any, drop: Any, keys: Any) -> None:23        ...24    def test_set_index_after_mutation(self):25        ...26    def test_set_index_pass_single_array(27            self, frame_of_index_cols: Any, drop: Any, append: Any,28            index_name: Any, box: Any) -> None:29        ...30    def test_set_index_pass_arrays(31            self, frame_of_index_cols: Any, drop: Any, append: Any,32            index_name: Any, box: Any) -> None:...

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