# -*- coding: utf8 -*-
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# org.onap.vvp/validation-scripts
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import yaml
import pytest


def test_unique_name_str_replace_use_req_params(yaml_file):
    '''
    Check that all occurences of str_replace uses either vnf_name or
    vf_module_id to construct the name
    '''
    req_params = ['vnf_name', 'vf_module_id']

    with open(yaml_file) as fh:
        yml = yaml.load(fh)

    # skip if resources are not defined
    if "resources" not in yml:
        pytest.skip("No resources specified in the heat template")

    has_req_params = []
    for v1 in yml["resources"].values():
        if not isinstance(v1, dict):
            continue
        if "properties" not in v1:
            continue
        if v1["type"] in ["OS::Nova::Server", "OS::Neutron::Port",
                          "OS::Heat::ResourceGroup"]:
            continue

        try:
            v2 = v1["properties"]["name"]
            str_replace = v2["str_replace"]

            all_params = []
            for v3 in str_replace["params"].values():
                all_params.append(v3["get_param"])
            detected_params = set(all_params) & set(req_params)
            has_req_params.append(len(detected_params) > 0)
        except (TypeError, KeyError):
            continue

    if not has_req_params:
        pytest.skip("No str_replace instances were detected")
    assert all(c for c in has_req_params)