Best Python code snippet using tavern
base.py
Source:base.py  
...16        self.name = name17        # all errors in this response18        self.errors = []19        self.validate_functions = []20        self._check_for_validate_functions(expected)21        self.test_block_config = test_block_config22        self.expected = expected23        self.response = None24    def _str_errors(self):25        return "- " + "\n- ".join(self.errors)26    def _adderr(self, msg, *args, e=None):27        if e:28            logger.exception(msg, *args)29        else:30            logger.error(msg, *args)31        self.errors += [(msg % args)]32    @abstractmethod33    def verify(self, response):34        """Verify response against expected values and returns any values that35        we wanted to save for use in future requests36        """37    def recurse_check_key_match(self, expected_block, block, blockname, strict):38        """Valid returned data against expected data39        Todo:40            Optionally use a validation library too41        Args:42            strict: strictness setting for this block43            expected_block (dict): expected data44            block (dict): actual data45            blockname (str): 'name' of this block (params, mqtt, etc) for error messages46        """47        if expected_block is None:48            logger.debug("No expected %s to check against", blockname)49            return50        # This should be done _before_ it gets to this point - typically in get_expected_from_request from plugin51        # expected_block = format_keys(52        #     expected_block, self.test_block_config["variables"]53        # )54        if block is None:55            if not expected_block:56                logger.debug(57                    "No %s in response to check, but not erroring because expected was %s",58                    blockname,59                    expected_block,60                )61                return62            self._adderr(63                "expected %s in the %s, but there was no response %s",64                expected_block,65                blockname,66                blockname,67            )68            return69        if isinstance(block, Mapping):70            block = dict(block)71        logger.debug("expected = %s, actual = %s", expected_block, block)72        try:73            check_keys_match_recursive(expected_block, block, [], strict)74        except exceptions.KeyMismatchError as e:75            self._adderr(e.args[0], e=e)76    def _check_for_validate_functions(self, response_block):77        """78        See if there were any functions specified in the response block and save them for later use79        Args:80            response_block (dict): block of external functions to call81        """82        def check_ext_functions(verify_block):83            if isinstance(verify_block, list):84                for vf in verify_block:85                    self.validate_functions.append(get_wrapped_response_function(vf))86            elif isinstance(verify_block, dict):87                self.validate_functions.append(88                    get_wrapped_response_function(verify_block)89                )90            elif verify_block is not None:...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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