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)),...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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