- name: Try with subcommands
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy1'
    link: '/usr/bin/dummymain'
    subcommands:
      - name: dummysubcmd
        path: '/usr/bin/dummy2'
        link: '/usr/bin/dummysubcmd'
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is changed'

- name: Execute the current dummymain command
  command: dummymain
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy1"

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy2"

- name: Get dummymain alternatives output
  command:
    cmd: '{{ alternatives_command }} --display dummymain'
  register: result

- name: Print result
  debug:
    var: result.stdout_lines

- name: Subcommands are not removed if not specified
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy1'
    link: '/usr/bin/dummymain'
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is not changed'

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy2"

- name: Subcommands are removed if set to an empty list
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy1'
    link: '/usr/bin/dummymain'
    subcommands: []
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is changed'

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd
  ignore_errors: True

- name: Ensure that the subcommand is gone
  assert:
    that:
      - cmd.rc == 2
      - '"No such file" in cmd.msg'

- name: Get dummymain alternatives output
  command:
    cmd: '{{ alternatives_command }} --display dummymain'
  register: result

- name: Print result
  debug:
    var: result.stdout_lines

- name: Install other alternative with subcommands
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy3'
    link: '/usr/bin/dummymain'
    subcommands:
      - name: dummysubcmd
        path: '/usr/bin/dummy4'
        link: '/usr/bin/dummysubcmd'
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is changed'

- name: Execute the current dummymain command
  command: dummymain
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy3"

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy4"

- name: Get dummymain alternatives output
  command:
    cmd: '{{ alternatives_command }} --display dummymain'
  register: result

- name: Print result
  debug:
    var: result.stdout_lines

- name: Switch to first alternative
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy1'
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is changed'

- name: Execute the current dummymain command
  command: dummymain
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy1"

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd
  ignore_errors: True

- name: Ensure that the subcommand is gone
  assert:
    that:
      - cmd.rc == 2
      - '"No such file" in cmd.msg'

- name: Get dummymain alternatives output
  command:
    cmd: '{{ alternatives_command }} --display dummymain'
  register: result

- name: Print result
  debug:
    var: result.stdout_lines

- name: Switch to second alternative
  alternatives:
    name: dummymain
    path: '/usr/bin/dummy3'
  register: alternative

- name: Check expected command was executed
  assert:
    that:
      - 'alternative is changed'

- name: Execute the current dummymain command
  command: dummymain
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy3"

- name: Execute the current dummysubcmd command
  command: dummysubcmd
  register: cmd

- name: Ensure that the expected command was executed
  assert:
    that:
      - cmd.stdout == "dummy4"

- name: Get dummymain alternatives output
  command:
    cmd: '{{ alternatives_command }} --display dummymain'
  register: result

- name: Print result
  debug:
    var: result.stdout_lines