Best Python code snippet using pandera_python
test_schemas.py
Source:test_schemas.py  
...846    assert all(x in select_columns for x in schema_selected.columns)847    assert all(x in original_columns for x in schema.columns)848    with pytest.raises(errors.SchemaInitError):849        schema.select_columns(["foo", "bar"])850def test_lazy_dataframe_validation_error() -> None:851    """Test exceptions on lazy dataframe validation."""852    schema = DataFrameSchema(853        columns={854            "int_col": Column(int, Check.greater_than(5)),855            "int_col2": Column(int),856            "float_col": Column(float, Check.less_than(0)),857            "str_col": Column(str, Check.isin(["foo", "bar"])),858            "not_in_dataframe": Column(int),859        },860        checks=Check(861            lambda df: df != 1, error="dataframe_not_equal_1", ignore_na=False862        ),863        index=Index(str, name="str_index"),864        strict=True,...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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