ansible/test/integration/targets/old_style_modules_posix/tasks/main.yml

- name: Hello, World!
  helloworld:
  register: hello_world

- assert:
    that:
      - 'hello_world.msg == "Hello, World!"'

- name: Hello, Ansible!
  helloworld:
  args:
    name: Ansible
  register: hello_ansible

- assert:
    that:
      - 'hello_ansible.msg == "Hello, Ansible!"'

- name: Goodbye, Ansible!
  helloworld:
  args:
    salutation: Goodbye
    name: Ansible
  register: goodbye_ansible

- assert:
    that:
      - 'goodbye_ansible.msg == "Goodbye, Ansible!"'

- name: Execute module directly
  command: '/bin/sh {{ role_path }}/library/helloworld.sh'
  register: direct
  ignore_errors: true

- assert:
    that:
      - direct is failed
      - |
        direct.stdout == '{"msg": "No argument file provided", "failed": true}'