community.general/test/integration/targets/connection/test_connection.yml

- hosts: "{{ hosts }}"
  gather_facts: no
  serial: 1
  tasks:

  ### raw with unicode arg and output

  - name: raw with unicode arg and output
    raw: echo 汉语
    register: command
  - name: check output of raw with unicode arg and output
    assert:
      that:
      - "'汉语' in command.stdout"
      - command | changed # as of 2.2, raw should default to changed: true for consistency w/ shell/command/script modules

  ### copy local file with unicode filename and content

  - name: create local file with unicode filename and content
    local_action: lineinfile dest={{ local_tmp }}-汉语/汉语.txt create=true line=汉语
  - name: remove remote file with unicode filename and content
    action: "{{ action_prefix }}file path={{ remote_tmp }}-汉语/汉语.txt state=absent"
  - name: create remote directory with unicode name
    action: "{{ action_prefix }}file path={{ remote_tmp }}-汉语 state=directory"
  - name: copy local file with unicode filename and content
    action: "{{ action_prefix }}copy src={{ local_tmp }}-汉语/汉语.txt dest={{ remote_tmp }}-汉语/汉语.txt"

  ### fetch remote file with unicode filename and content

  - name: remove local file with unicode filename and content
    local_action: file path={{ local_tmp }}-汉语/汉语.txt state=absent
  - name: fetch remote file with unicode filename and content
    fetch: src={{ remote_tmp }}-汉语/汉语.txt dest={{ local_tmp }}-汉语/汉语.txt fail_on_missing=true validate_checksum=true flat=true

  ### remove local and remote temp files

  - name: remove local temp file
    local_action: file path={{ local_tmp }}-汉语 state=absent
  - name: remove remote temp file
    action: "{{ action_prefix }}file path={{ remote_tmp }}-汉语 state=absent"

  ### test wait_for_connection plugin
  - wait_for_connection: