Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use test_check_single_index method in pandera

Best Python code snippet using pandera_python

test_model.py

Source:test_model.py

...225    schema = Schema.to_schema()226    err_msg = r"Column\s*a\s*int_column_lt_100\s*\[101\]\s*1"227    with pytest.raises(pa.errors.SchemaErrors, match=err_msg):228        schema.validate(df, lazy=True)229def test_check_single_index() -> None:230    """Test the behaviour of a check on a single index."""231    class Schema(pa.SchemaModel):232        a: Index[str]233        @pa.check("a")234        def not_dog(cls, idx: pd.Index) -> Iterable[bool]:235            # pylint:disable=no-self-argument236            assert cls is Schema237            return ~idx.str.contains("dog")238    df = pd.DataFrame(index=["cat", "dog"])239    err_msg = r"Index\s*<NA>\s*not_dog\s*\[dog\]\s*"240    with pytest.raises(pa.errors.SchemaErrors, match=err_msg):241        Schema.validate(df, lazy=True)242def test_field_and_check() -> None:243    """Test the combination of a field and a check on the same column."""...

Automation Testing Tutorials

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.