How to use multiindex_strategy method in pandera

Best Python code snippet using pandera_python

test_strategies.py

Source:test_strategies.py Github

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...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 ]...

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schema_components.py

Source:schema_components.py Github

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...654 # NOTE: remove these ignore statements as part of655 # https:/​/​fanyv88.com:443/​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:/​/​fanyv88.com:443/​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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