How to use test_dataframe_check method in pandera

Best Python code snippet using pandera_python

test_model.py

Source:test_model.py

...388    df = pd.DataFrame({"a": [15], "abc": [100]})389    err_msg = r"Column\s*a\s*a_max\s*\[15\]\s*1"390    with pytest.raises(pa.errors.SchemaErrors, match=err_msg):391        schema.validate(df, lazy=True)392def test_dataframe_check() -> None:393    """Test dataframe checks."""394    class Base(pa.SchemaModel):395        a: Series[int]396        b: Series[int]397        @pa.dataframe_check398        @classmethod399        def value_max(cls, df: pd.DataFrame) -> Iterable[bool]:400            return df < 200401    class Child(Base):402        @pa.dataframe_check()403        @classmethod404        def value_min(cls, df: pd.DataFrame) -> Iterable[bool]:405            return df > 0406        @pa.dataframe_check...

test_segment_processing.py

Source:test_segment_processing.py

...163        del self.df2164    def test_segment_check(self):165        "Makes sure segment object is passed"166        self.assertRaises(TypeError, AppendDataframesToSegment, 'not a segment')167    def test_dataframe_check(self):168        "Makes sure dataframe object is passed"169        self.assertRaises(TypeError, AppendDataframesToSegment, self.segment,170            'not a dataframe')171    def test_names_check(self):172        "Makes sure names is string or list"173        self.assertRaises(TypeError, AppendDataframesToSegment, self.segment,174            self.df, {'not': 'a list of string'})175    def test_segment_has_dataframe_attribute_if_none_before(self):176        "Makes sure segment has dataframes attribute if it didnt before"177        AppendDataframesToSegment(self.segment, self.df, 'test')178        self.assertTrue(hasattr(self.segment, 'dataframes'))179    def test_dataframe_object_is_added(self):180        "Makes sure dataframe object is added to dataframes"181        AppendDataframesToSegment(self.segment, self.df, 'test')...

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.