Best Python code snippet using pandera_python
test_checks.py
Source:test_checks.py  
...24    assert isinstance(validated_series, pd.Series)25    # error case26    with pytest.raises(errors.SchemaError):27        schema.validate(pd.Series([1, 2, 3]))28def test_check_groupby() -> None:29    """Tests uses of groupby to specify dependencies between one column and a30    single other column, including error handling."""31    schema = DataFrameSchema(32        columns={33            "col1": Column(34                Int,35                [36                    Check(lambda s: s["foo"] > 10, groupby="col2"),37                    Check(lambda s: s["bar"] < 10, groupby=["col2"]),38                    Check(39                        lambda s: s["foo"] > 10,40                        groupby=lambda df: df.groupby("col2"),41                    ),42                    Check(...test_utilsbenchmark.py
Source:test_utilsbenchmark.py  
...229    append_metrics_scores(df, grpby_i=None, grp=None, act=act, grt=grt, srcs=srcs,230                          mthds=mthds, metrics=metrics, by='source', min_exp=1)231    assert len(df) == 4232    assert df[0][5] < df[1][5]233def test_check_groupby():234    obs = pd.DataFrame([235        ['A1', 'B1', 'C1'],236        ['A1', 'B2', 'C1'],237        ['A1', 'B2', 'C2'],238        ['A2', 'B1', 'C1'],239        ['A2', 'B1', 'C2'],240        ['A2', 'B2', 'C2'],241    ], columns=['A', 'B', 'C'])242    perturb = 'A'243    check_groupby(obs=obs, groupby='A', perturb=perturb, by='experiment')244    with pytest.raises(AssertionError):245        check_groupby(obs=obs, groupby='A', perturb=perturb, by='source')246    with pytest.raises(AssertionError):247        check_groupby(obs=obs, groupby='D', perturb=perturb, by='experiment')...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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