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


def test_volume_templates_outputs_match_resources(volume_template):
    '''
    Check that all referenced resources in the outputs of a volume
    template actually exists
    '''
    with open(volume_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 volume template")

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

    referenced_resources = find_all_get_resource_in_yml(yml['outputs'])

    invalid_get_attr = []
    for k, v in yml['outputs'].items():
        if 'value' not in v:
            continue
        if 'get_attr' not in v['value']:
            continue
        if not isinstance(v['value']['get_attr'], list):
            continue

        for v1 in v['value']['get_attr']:
            if v1 in yml['resources']:
                break
        else:
            invalid_get_attr.append(k)

    assert (set(referenced_resources) <= set(yml["resources"]) and
            not invalid_get_attr)