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"""
A VNF's Heat Orchestration Template's Resource ``OS::Heat::MultipartMime``
Resource ID **MUST** contain the ``{vm-type}``.
"""

import pytest

from .structures import Heat
from .helpers import validates
from .utils import vm_types

VERSION = "1.0.1"


@validates("R-30804")
def test_multipart_mime(yaml_file):
    """validate resource ids
    """
    h = Heat(filepath=yaml_file)
    if not h.resources:
        pytest.skip("No resources in this template")

    multipart_mimes = get_multipart_mimes(h)
    if not multipart_mimes:
        pytest.skip("No MultipartMime resources in this template")

    resource_vm_types = vm_types.get_vm_types(h.resources)
    if not resource_vm_types:
        pytest.skip("No resources with {vm-type} in this template")

    bad = set()
    for rid in multipart_mimes:
        for vm_type in resource_vm_types:
            if vm_type in rid:
                break
        else:
            bad.add(rid)
    assert not bad, "MultipartMime %s have {vm-type} not in %s" % (
        list(bad),
        list(resource_vm_types),
    )


def get_multipart_mimes(heat):
    """Return list of resource_id whose type is OS::Heat::MultipartMime.
    """
    return [
        rid
        for rid, resource in heat.resources.items()
        if heat.nested_get(resource, "type") == "OS::Heat::MultipartMime"
    ]