- name: Test cartesian lookup
  debug: var=item
  with_cartesian:
    - ["A", "B", "C"]
    - ["1", "2", "3"]
  register: product

- name: Verify cartesian lookup
  assert:
    that:
        - product.results[0]['item'] == ["A", "1"]
        - product.results[1]['item'] == ["A", "2"]
        - product.results[2]['item'] == ["A", "3"]
        - product.results[3]['item'] == ["B", "1"]
        - product.results[4]['item'] == ["B", "2"]
        - product.results[5]['item'] == ["B", "3"]
        - product.results[6]['item'] == ["C", "1"]
        - product.results[7]['item'] == ["C", "2"]
        - product.results[8]['item'] == ["C", "3"]