KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use _adderr method in tavern

Best Python code snippet using tavern

rest.py

Source:rest.py

...69        else:70            expected_status_code.append(self.expected["status_code"])71        if response.status_code not in expected_status_code:72            if 400 <= response.status_code < 500:73                self._adderr(74                    "Status code was %s, expected %s:\n%s",75                    response.status_code, self.expected["status_code"],76                    indent_err_text(json.dumps(body)),77                )78            else:79                self._adderr(80                    "Status code was %s, expected %s",81                    response.status_code, self.expected["status_code"]82                )83        if self.validate_function:84            try:85                self.validate_function(response)86            except Exception as e:  # pylint: disable=broad-except87                self._adderr(88                    "Error calling validate function '%s':\n%s",89                    self.validate_function.func,90                    indent_err_text(traceback.format_exc()),91                    e=e92                 )93        # Get any keys to save94        saved = {}95        try:96            redirect_url = response.headers["location"]97        except KeyError as e:98            if "redirect_query_params" in self.expected.get("save", {}):99                self._adderr(100                    "Wanted to save %s, but there was no redirect url in response",101                    self.expected["save"]["redirect_query_params"], e=e102                )103            qp_as_dict = {}104        else:105            parsed = urlparse(redirect_url)106            qp = parsed.query107            qp_as_dict = {i: j[0] for i, j in parse_qs(qp).items()}108        saved.update(self._save_value("body", body))109        saved.update(self._save_value("headers", response.headers))110        saved.update(self._save_value("redirect_query_params", qp_as_dict))111        for cookie in self.expected.get("cookies", []):112            if cookie not in response.cookies:113                self._adderr("No cookie named '%s' in response", cookie)114        try:115            wrapped = get_wrapped_response_function(self.expected["save"]["$ext"])116        except KeyError:117            logger.debug("No save function")118        else:119            try:120                to_save = wrapped(response)121            except Exception as e:  # pylint: disable=broad-except122                self._adderr(123                    "Error calling save function '%s':\n%s",124                    wrapped.func,125                    indent_err_text(traceback.format_exc()),126                    e=e127                )128            else:129                if isinstance(to_save, dict):130                    saved.update(to_save)131                elif not isinstance(to_save, None):132                    self._adderr("Unexpected return value '%s' from $ext save function")133        self._validate_block("body", body)134        self._validate_block("headers", response.headers)135        self._validate_block("redirect_query_params", qp_as_dict)136        if self.errors:137            raise TestFailError("Test '{:s}' failed:\n{:s}".format(self.name, self._str_errors()))138        return saved139    def _validate_block(self, blockname, block):140        """Validate a block of the response141        Args:142            blockname (str): which part of the response is being checked143            block (dict): The actual part being checked144        """145        try:146            expected_block = self.expected[blockname] or {}147        except KeyError:148            expected_block = {}149        if isinstance(expected_block, dict):150            special = ["$ext"]151            # This has to be a dict at the moment - might be possible at some152            # point in future to allow a list of multiple ext functions as well153            # but would require some changes in init. Probably need to abtract154            # out the 'checking' a bit more.155            for s in special:156                try:157                    expected_block.pop(s)158                except KeyError:159                    pass160        logger.debug("Validating %s for %s", blockname, expected_block)161        self.recurse_check_key_match(expected_block, block, blockname)162    def _save_value(self, key, to_check):163        """Save a value in the response for use in future tests164        Args:165            to_check (dict): An element of the response from which the given key166                is extracted167            key (str): Key to use168        Returns:169            dict: dictionary of save_name: value, where save_name is the key we170                wanted to save this value as171        """172        espec = self.expected173        saved = {}174        try:175            expected = espec["save"][key]176        except KeyError:177            logger.debug("Nothing expected to save for %s", key)178            return {}179        if not to_check:180            self._adderr("No %s in response (wanted to save %s)", key, expected)181        else:182            for save_as, joined_key in expected.items():183                split_key = joined_key.split(".")184                try:185                    saved[save_as] = recurse_access_key(to_check, copy.copy(split_key))186                except (IndexError, KeyError) as e:187                    self._adderr(188                        "Wanted to save '%s' from '%s', but it did not exist in the response",189                        joined_key, key, e=e190                    )191        if saved:192            logger.debug("Saved %s for '%s' from response", saved, key)...

base.py

Source:base.py

...15        # None by default?16        self.test_block_config = {"variables": {}}17    def _str_errors(self):18        return "- " + "\n- ".join(self.errors)19    def _adderr(self, msg, *args, **kwargs):20        e = kwargs.get('e')21        if e:22            logger.exception(msg, *args)23        else:24            logger.error(msg, *args)25        self.errors += [(msg % args)]26    @abstractmethod27    def verify(self, response):28        """Verify response against expected values and returns any values that29        we wanted to save for use in future requests30        """31    def recurse_check_key_match(self, expected_block, block, blockname):32        """Valid returned data against expected data33        Todo:34            Optionally use a validation library too35        Args:36            expected_block (dict): expected data37            block (dict): actual data38            blockname (str): 'name' of this block (params, mqtt, etc) for error messages39        """40        if not expected_block:41            logger.debug("Nothing to check against")42            return43        expected_block = format_keys(expected_block, self.test_block_config["variables"])44        if block is None:45            self._adderr("expected %s in the %s, but there was no response body",46                expected_block, blockname)47            return48        logger.debug("expected = %s, actual = %s", expected_block, block)49        if blockname == "body" and (not isinstance(expected_block, type(block))):50            if isinstance(block, list):51                block_type = "list"52            else:53                block_type = "dict"54            if isinstance(expected_block, list):55                expected_type = "list"56            else:57                expected_type = "dict"58            self._adderr("Expected %s to be returned, but a %s was returned",59                block_type, expected_type)60            # Fatal61            return62        for split_key, joined_key, expected_val in yield_keyvals(expected_block):63            try:64                actual_val = recurse_access_key(block, list(split_key))65            except KeyError as e:66                self._adderr("Key not present: %s", joined_key, e=e)67                continue68            except IndexError as e:69                self._adderr("Expected returned list to be of at least length %s but length was %s",70                        int(joined_key) + 1, len(block), e=e)71                continue72            logger.debug("%s: %s vs %s", joined_key, expected_val, actual_val)73            try:74                check_keys_match_recursive(expected_val, actual_val, [])75            except exceptions.KeyMismatchError as e:76                logger.error("Key mismatch on %s", joined_key)77                self._adderr("Value mismatch: got '%s' (type: %s), expected '%s' (type: %s)",78                    actual_val, type(actual_val), expected_val, type(expected_val), e=e)79            else:...

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.