Best Python code snippet using pandera_python
test_schemas.py
Source:test_schemas.py  
...1091    )1092    schema = schema_cls(checks=check)1093    with pytest.raises(errors.SchemaErrors):1094        schema(data, lazy=True)1095def test_lazy_dataframe_unique() -> None:1096    """Tests the lazy evaluation of the unique keyword"""1097    data = pd.DataFrame.from_dict(1098        {"A": [1, 2, 3, 4], "B": [1, 2, 3, 1], "C": [1, 2, 3, 1]}1099    )1100    schema = DataFrameSchema(1101        columns={"A": Column(Int), "B": Column(Int), "C": Column(Int)},1102        strict=False,1103        coerce=True,1104        unique=None,1105    )1106    assert isinstance(schema.validate(data, lazy=False), pd.DataFrame)1107    schema.unique = ["A", "B"]1108    assert isinstance(schema.validate(data, lazy=False), pd.DataFrame)1109    schema.unique = ["B", "C"]...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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