How to use multiindex_strategy method in pandera

Best Python code snippet using pandera_python

test_strategies.py

Source:test_strategies.py

...545@hypothesis.given(st.data())546@hypothesis.settings(547    suppress_health_check=[hypothesis.HealthCheck.too_slow],548)549def test_multiindex_strategy(data) -> None:550    """Test MultiIndex schema component strategy."""551    data_type = pa.Float()552    multiindex = pa.MultiIndex(553        indexes=[554            pa.Index(data_type, unique=True, name="level_0"),555            pa.Index(data_type, nullable=True),556            pa.Index(data_type),557        ]558    )559    strat = multiindex.strategy(size=10)560    example = data.draw(strat)561    for i in range(example.nlevels):562        actual_data_type = pandas_engine.Engine.dtype(563            example.get_level_values(i).dtype564        )565        assert data_type.check(actual_data_type)566    with pytest.raises(pa.errors.BaseStrategyOnlyError):567        strategies.multiindex_strategy(568            data_type, strategies.pandas_dtype_strategy(data_type)569        )570def test_multiindex_example() -> None:571    """572    Test MultiIndex schema component example method generates examples that573    pass.574    """575    data_type = pa.Float()576    multiindex = pa.MultiIndex(577        indexes=[578            pa.Index(data_type, unique=True, name="level_0"),579            pa.Index(data_type, nullable=True),580            pa.Index(data_type),581        ]...

schema_components.py

Source:schema_components.py

...654    # NOTE: remove these ignore statements as part of655    # https://github.com/pandera-dev/pandera/issues/403656    # pylint: disable=arguments-differ657    def strategy(self, *, size=None):  # type: ignore658        return st.multiindex_strategy(indexes=self.indexes, size=size)659    # NOTE: remove these ignore statements as part of660    # https://github.com/pandera-dev/pandera/issues/403661    # pylint: disable=arguments-differ662    def example(self, size=None) -> pd.MultiIndex:  # type: ignore663        # pylint: disable=import-outside-toplevel,cyclic-import,import-error664        import hypothesis665        with warnings.catch_warnings():666            warnings.simplefilter(667                "ignore",668                category=hypothesis.errors.NonInteractiveExampleWarning,669            )670            return self.strategy(size=size).example()671    def __repr__(self):672        return (...

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