2 # ============LICENSE_START====================================================
3 # org.onap.vvp/validation-scripts
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41 from tests.helpers import validates, traverse, load_yaml
44 def is_get_param(arg):
45 return isinstance(arg, dict) and "get_param" in arg
48 class GetParamChecker:
49 def __init__(self, yaml_file):
51 self.filename = os.path.basename(yaml_file)
53 def __call__(self, keys, param_value, *args, **kwargs):
54 if isinstance(param_value, str):
55 return # refers to a string or parameter - this is OK
57 return # output section is exempt from this requirement
58 if isinstance(param_value, list):
59 nested_get_params = (arg for arg in param_value if is_get_param(arg))
60 args = (call["get_param"] for call in nested_get_params)
61 invalid_args = (arg for arg in args if not isinstance(arg, str))
62 # We don't check if the args really point to parameters, because that
63 # check is already covered by test_05_all_get_param_have_defined_parameter
64 # in test_initial_configuration.py
68 "Invalid nesting of get_param detected in {} at {}. Calls to "
69 "get_param can only be nested two deep, and the argument to "
70 "the second get_param must only be a parameter name: {}"
72 self.filename, " > ".join(keys), {"get_param": param_value}
78 def test_nested_parameter_args(yaml_file):
79 heat = load_yaml(yaml_file)
80 checker = GetParamChecker(yaml_file)
81 traverse(heat, "get_param", checker)
82 assert not checker.errors, ". ".join(checker.errors)