mitogen/tests/ansible/integration/action/remote_file_exists.yml

- name: integration/action/remote_file_exists.yml
  hosts: test-targets
  tasks:
    - name: Ensure does-not-exist doesnt
      file:
        path: /tmp/does-not-exist
        state: absent
    - action_passthrough:
        method: _remote_file_exists
        args: ['/tmp/does-not-exist']
      register: out
    - assert:
        that: out.result == False
        fail_msg: out={{out}}

    - name: Ensure does-exist does
      copy:
        dest: /tmp/does-exist
        content: "I think, therefore I am"
    - action_passthrough:
        method: _remote_file_exists
        args: ['/tmp/does-exist']
      register: out
    - assert:
        that: out.result == True
        fail_msg: out={{out}}

    - name: Cleanup
      file:
        path: /tmp/does-exist
        state: absent
  tags:
    - remote_file_exists