Best Python code snippet using tavern
test_schema.py
Source:test_schema.py  
...100class TestBadSchemaAtCollect:101    """Some errors happen at collection time - harder to test"""102    @staticmethod103    @contextlib.contextmanager104    def wrapfile_nondict(to_wrap):105        with tempfile.NamedTemporaryFile(106            suffix=".yaml", prefix="test_", delete=False107        ) as wrapped_tmp:108            # put into a file109            wrapped_tmp.write(to_wrap.encode("utf8"))110            wrapped_tmp.close()111            try:112                yield wrapped_tmp.name113            finally:114                os.remove(wrapped_tmp.name)115    def test_empty_dict_val(self):116        """Defining an empty mapping value is not allowed"""117        text = dedent(118            """119        ---120        test_name: Test cannot send a set121        stages:122          - name: match top level123            request:124              url: "{host}/fake_dictionary"125              method: GET126              json: {a, b}127            response:128              status_code: 200129              json:130                top: !anything131        """132        )133        with TestBadSchemaAtCollect.wrapfile_nondict(text) as filename:134            with pytest.raises(BadSchemaError):135                load_single_document_yaml(filename)136    def test_empty_list_val(self):137        """Defining an empty list value is not allowed"""138        text = dedent(139            """140        ---141        test_name: Test cannot send a set142        stages:143          - name: match top level144            request:145              url: "{host}/fake_dictionary"146              method: GET147              json:148                - a149                -150                - b151            response:152              status_code: 200153              json:154                top: !anything155        """156        )157        with TestBadSchemaAtCollect.wrapfile_nondict(text) as filename:158            with pytest.raises(BadSchemaError):...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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