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

Copied to Clipboard!

How to use test_optional_column method in pandera

Best Python code snippet using pandera_python

test_column_mapper.py

Source:test_column_mapper.py

...44    def test_set_tag_columns(self):45        mapper = ColumnMapper()46        mapper.set_tag_columns(self.one_based_tag_columns, finalize_mapping=True)47        self.assertTrue(len(mapper._final_column_map) >= 2)48    def test_optional_column(self):49        mapper = ColumnMapper()50        mapper.set_tag_columns(tag_columns=["HED"])51        mapper.set_column_map({1: "HED"})52        self.assertTrue(len(mapper._final_column_map) == 1)53        mapper = ColumnMapper()54        mapper.set_tag_columns(optional_tag_columns=["HED"])55        mapper.set_column_map({1: "HED"})56        self.assertTrue(len(mapper._final_column_map) == 1)57        mapper = ColumnMapper()58        mapper.set_tag_columns(tag_columns=["HED"])59        self.assertTrue(len(mapper._final_column_map) == 0)60        self.assertTrue(len(mapper._finalize_mapping_issues) == 1)61        mapper = ColumnMapper()62        mapper.set_tag_columns(optional_tag_columns=["HED"])...

datasource.py

Source:datasource.py

...149        ds = Datasource.as_datasource(model=SimpleDemoModel,150                                      columns=[BooleanColumn('boolean')])151        self.assertSequenceEqual([c.title for c in ds.columns], ['Boolean'])152        self.assertSequenceEqual(ds, [(True,), (True,)])153    def test_optional_column(self):154        G(DemoOptionalModel, n=2, name='abc', user=G(User, n=1, first_name='user1'))155        ds = Datasource.as_datasource(model=DemoOptionalModel,156                                      columns=[Column('name'), OptionalColumn('user.first_name')])157        self.assertSequenceEqual([c.title for c in ds.columns], ['name', 'first name'])158        self.assertSequenceEqual(ds, [('abc', 'user1',), ('abc', 'user1')])159    def test_optional_column_optional(self):160        G(DemoOptionalModel, n=2, name='abc', user=None)161        ds = Datasource.as_datasource(model=DemoOptionalModel,162                                      columns=[Column('name'), OptionalColumn('user.first_name')])163        self.assertSequenceEqual([c.title for c in ds.columns], ['name', 'first name'])...

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.