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


def test_required_parameters_provided_in_env_file(environment_pair):
    '''
    Make sure all required parameters are specified properly
    in the environment file if a server is defined in the
    corresponding heat template
    '''
    required_parameters = ["vnf_id", "vf_module_id", "vnf_name"]

    if "resources" not in environment_pair["yyml"]:
        pytest.skip("No resources specified in the heat template")

    if "parameters" not in environment_pair["eyml"]:
        pytest.skip("No parameters specified in the environment file")

    server_count = 0
    for v in environment_pair["yyml"]['resources'].values():
        if "type" not in v:
            continue
        if v["type"] == "OS::Nova::Server":
            server_count += 1

    if server_count == 0:
        pytest.skip("No Nova Server resources specified in " +
                    "the heat template")

    provided_parameters = []
    for k in environment_pair["eyml"]['parameters']:
        if k in required_parameters:
            provided_parameters.append(k)

    assert set(required_parameters) == set(provided_parameters)