Best Python code snippet using pandera_python
test_schemas.py
Source:test_schemas.py  
...566    # Validating with tail of 1000 should pass567    assert schema.validate(df, tail=1000).equals(df)568    with pytest.raises(errors.SchemaError):569        schema.validate(df)570def test_sample_dataframe_schema() -> None:571    """Test the sample argument of schema.validate."""572    df = pd.DataFrame({"col1": range(1, 1001)})573    # assert all values -1574    schema = DataFrameSchema(575        columns={"col1": Column(int, Check(lambda s: s == -1))}576    )577    for seed in [11, 123456, 9000, 654]:578        sample_index = df.sample(100, random_state=seed).index579        df.loc[sample_index] = -1580        assert schema.validate(df, sample=100, random_state=seed).equals(df)581def test_dataframe_schema_str_repr() -> None:582    """Test the __str__ and __repr__ methods which are used for cleanly583    printing/logging of a DataFrameSchema."""584    schema = DataFrameSchema(...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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