# -*- coding: utf8 -*-
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# org.onap.vvp/validation-scripts
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from .helpers import validates

import pytest
import yaml
from .utils.vm_types import get_vm_types_for_resource


@validates('R-57282', 'R-40499')
def test_vm_type_consistent_on_nova_servers(heat_template):
    '''
    Make sure all nova servers have properly formatted properties
    for their name, image and flavor
    '''
    with open(heat_template) 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")

    invalid_nova_servers = []
    for k, v in yml["resources"].items():
        if not isinstance(v, dict):
            continue
        if v.get('type') != 'OS::Nova::Server':
            continue
        if 'properties' not in v:
            continue

        vm_types = get_vm_types_for_resource(v)
        if len(vm_types) != 1:
            invalid_nova_servers.append(k)

    assert not set(invalid_nova_servers)