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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:...

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