How to use test_column_type_can_be_set method in pandera

Best Python code snippet using pandera_python

test_schema_components.py

Source:test_schema_components.py

...491    schema = DataFrameSchema(492        columns={("foo_*", "bar_*"): Column(Int, regex=True)},493    )494    schema.validate(data)495def test_column_type_can_be_set() -> None:496    """Test that the Column dtype can be edited during schema construction."""497    column_a = Column(Int, name="a")498    changed_type = Float499    column_a.dtype = Float500    assert column_a.dtype == Engine.dtype(changed_type)501    for invalid_dtype in ("foobar", "bar"):502        with pytest.raises(TypeError):503            column_a.dtype = invalid_dtype504    for invalid_dtype in (1, 2.2, ["foo", 1, 1.1], {"b": 1}):505        with pytest.raises(TypeError):506            column_a.dtype = invalid_dtype507@pytest.mark.parametrize(508    "multiindex, error",509    [...

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