ansible/test/integration/targets/apt_key/tasks/file.yml

- name: Get Fedora GPG Key
  get_url:
    url: https://getfedora.org/static/fedora.gpg
    dest: /tmp/fedora.gpg

- name: Run apt_key with both file and keyserver
  apt_key:
    file: /tmp/fedora.gpg
    keyserver: keys.gnupg.net
    id: 97A1AE57C3A2372CCA3A4ABA6C13026D12C944D0
  register: both_file_keyserver
  ignore_errors: true

- name: Run apt_key with file only
  apt_key:
    file: /tmp/fedora.gpg
  register: only_file

- name: Run apt_key with keyserver only
  apt_key:
    keyserver: keys.gnupg.net
    id: 97A1AE57C3A2372CCA3A4ABA6C13026D12C944D0
  register: only_keyserver

- name: validate results
  assert:
    that:
      - 'both_file_keyserver is failed'
      - 'only_file.changed'
      - 'not only_keyserver.changed'