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How to use test_generic_optional_field method in pandera

Best Python code snippet using pandera_python

test_model.py

Source:test_model.py

...910        FloatModel.validate(pd.DataFrame({"x": [1, 2, 3], "y": [4, 5, 6]}))911    with pytest.raises(SchemaError):912        IntModel.validate(pd.DataFrame({"x": [1, 2, 3], "y": [4.0, 5, 6]}))913    FloatModel.validate(pd.DataFrame({"x": [1, 2, 3], "y": [4.0, 5, 6]}))914def test_generic_optional_field() -> None:915    T = TypeVar("T", int, float, str)916    class GenericModel(pa.SchemaModel, Generic[T]):917        x: Series[int]918        y: Optional[Series[T]]919    class IntYModel(GenericModel[int]):920        ...921    IntYModel.validate(pd.DataFrame({"x": [1, 2, 3]}))922    IntYModel.validate(pd.DataFrame({"x": [1, 2, 3], "y": [4, 5, 6]}))923    with pytest.raises(SchemaError):924        IntYModel.validate(925            pd.DataFrame({"x": [1, 2, 3], "y": [4.0, 5.0, 6.0]})926        )927    class FloatYModel(GenericModel[float]):928        ......

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