How to use test_add_and_remove_columns method in pandera

Best Python code snippet using pandera_python

test_schemas.py

Source:test_schemas.py

...648    assert series_schema == copy.deepcopy(series_schema)649    assert series_schema != not_equal_schema650    assert series_schema_base == copy.deepcopy(series_schema_base)651    assert series_schema_base != not_equal_schema652def test_add_and_remove_columns() -> None:653    """Check that adding and removing columns works as expected and doesn't654    modify the original underlying DataFrameSchema."""655    schema1 = DataFrameSchema(656        {657            "col1": Column(int, Check(lambda s: s >= 0)),658        },659        strict=True,660    )661    schema1_exact_copy = copy.deepcopy(schema1)662    # test that add_columns doesn't modify schema1 after add_columns:663    schema2 = schema1.add_columns(664        {665            "col2": Column(str, Check(lambda x: x <= 0)),666            "col3": Column(object, Check(lambda x: x == 0)),...

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