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How to use _test_parameter method in avocado

Best Python code snippet using avocado_python

Sub.py

Source:Sub.py

...17        matches = []18        string_params = cfn.get_sub_parameters(sub_string)19        for string_param in string_params:20            if isinstance(string_param, (str)):21                matches.extend(self._test_parameter(string_param, cfn, parameters, tree))22        return matches23    def _get_parameters(self, cfn):24        """Get all Parameter Names"""25        results = {}26        parameters = cfn.template.get('Parameters', {})27        if isinstance(parameters, dict):28            for param_name, param_values in parameters.items():29                # This rule isn't here to check the Types but we need30                # something valid if it doesn't exist31                if isinstance(param_values, dict):32                    results[param_name] = param_values.get('Type', 'String')33        return results34    def _test_parameters(self, parameters, cfn, tree):35        """Check parameters for appropriate configuration"""36        supported_functions = [37            'Fn::Base64',38            'Fn::FindInMap',39            'Fn::GetAZs',40            'Fn::GetAtt',41            'Fn::If',42            'Fn::ImportValue',43            'Fn::Join',44            'Fn::Select',45            'Fn::Sub',46            'Ref',47        ]48        matches = []49        for parameter_name, parameter_value_obj in parameters.items():50            param_tree = tree[:] + [parameter_name]51            if isinstance(parameter_value_obj, dict):52                if len(parameter_value_obj) == 1:53                    for key, value in parameter_value_obj.items():54                        if key not in supported_functions:55                            message = 'Sub parameter should use a valid function for {0}'56                            matches.append(RuleMatch(57                                param_tree, message.format('/'.join(map(str, tree)))))58                        elif key in ['Ref']:59                            matches.extend(self._test_parameter(value, cfn, {}, tree))60                        elif key in ['Fn::GetAtt']:61                            if isinstance(value, list):62                                # Only test this if all the items are a string63                                if_all_strings = True64                                for v in value:65                                    if not isinstance(v, str):66                                        # skip things got too complex67                                        if_all_strings = False68                                if if_all_strings:69                                    matches.extend(self._test_parameter(70                                        '.'.join(value), cfn, {}, tree))71                            elif isinstance(value, str):72                                matches.extend(self._test_parameter(value, cfn, {}, tree))73                else:74                    message = 'Sub parameter should be an object of 1 for {0}'75                    matches.append(RuleMatch(76                        param_tree, message.format('/'.join(map(str, tree)))))77            elif isinstance(parameter_value_obj, list):78                message = 'Sub parameter value should be a string for {0}'79                matches.append(RuleMatch(80                    param_tree, message.format('/'.join(map(str, tree)))))81        return matches82    def _test_parameter(self, parameter, cfn, parameters, tree):83        """ Test a parameter """84        matches = []85        get_atts = cfn.get_valid_getatts()86        valid_params = list(PSEUDOPARAMS)87        valid_params.extend(cfn.get_resource_names())88        template_parameters = self._get_parameters(cfn)89        for key, _ in parameters.items():90            valid_params.append(key)91        if parameter not in valid_params:92            found = False93            if parameter in template_parameters:94                found = True95                if template_parameters.get(parameter) in VALID_PARAMETER_TYPES_LIST:96                    message = 'Fn::Sub cannot use list {0} at {1}'...

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