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How to use test_field_and_check method in pandera

Best Python code snippet using pandera_python

test_model.py

Source:test_model.py

...238    df = pd.DataFrame(index=["cat", "dog"])239    err_msg = r"Index\s*<NA>\s*not_dog\s*\[dog\]\s*"240    with pytest.raises(pa.errors.SchemaErrors, match=err_msg):241        Schema.validate(df, lazy=True)242def test_field_and_check() -> None:243    """Test the combination of a field and a check on the same column."""244    class Schema(pa.SchemaModel):245        a: Series[int] = pa.Field(eq=1)246        @pa.check("a")247        @classmethod248        def int_column_lt_100(cls, series: pd.Series) -> Iterable[bool]:249            return series < 100250    schema = Schema.to_schema()251    assert len(schema.columns["a"].checks) == 2252def test_check_non_existing() -> None:253    """Test a check on a non-existing column."""254    class Schema(pa.SchemaModel):255        a: Series[int]256        @pa.check("nope")...

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