Best Python code snippet using pandera_python
test_errors.py
Source:test_errors.py  
...94@pytest.fixture(name="int_dataframe")95def fixture_int_dataframe() -> pd.DataFrame:96    """Fixture for simple DataFrame with one negative value."""97    return pd.DataFrame({"a": [-1, 0, 1]})98def _multi_check_schema() -> DataFrameSchema:99    """Schema with multiple positivity checks on column `a`"""100    return DataFrameSchema(101        {102            "a": Column(103                int,104                [105                    Check.isin([0, 1]),106                    Check(lambda x: x >= 0),107                ],108            ),109        }110    )111@pytest.fixture(name="multi_check_schema")112def fixture_multi_check_schema() -> DataFrameSchema:113    """Schema with multiple positivity checks on column `a`"""114    return _multi_check_schema()115@pytest.mark.filterwarnings("ignore:Pickling SchemaError")116class TestSchemaError:117    """Tests pickling behavior of errors.SchemaError."""118    @staticmethod119    @pytest.mark.parametrize(120        "check_obj", [Check.isin([0, 1]), Check(lambda x: x >= 0)]121    )122    def test_pickling(int_dataframe: pd.DataFrame, check_obj: Check):123        """Test for a non-empty pickled object."""124        schema = DataFrameSchema({"a": Column(int, check_obj)})125        try:126            # fails for element -1127            schema.validate(int_dataframe)128        except SchemaError as exc:...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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