ansible/test/integration/targets/ansible-inventory/tasks/json_output.yml

- block:
  - name: check baseline
    command: ansible-inventory -i '{{ role_path }}/files/valid_sample.yml' --list
    register: limited

  - name: ensure non empty host list
    assert:
      that:
        - "'something' in inv['_meta']['hostvars']"

  - name: check that limit removes host
    command: ansible-inventory -i '{{ role_path }}/files/valid_sample.yml'  --limit '!something' --list
    register: limited

  - name: ensure empty host list
    assert:
      that:
        - "'something' not in inv['_meta']['hostvars']"

  - name: check dupes
    command: ansible-inventory -i '{{ role_path }}/files/complex.ini' --list
    register: limited

  - name: ensure host only appears on directly assigned
    assert:
      that:
        - "'hosts' not in inv['parent_1']"
        - "'hosts' not in inv['parent_2']"
        - "'hosts' in inv['parent_3']"
        - "'test1' in inv['test_group1']['hosts']"
  vars:
    inv: '{{limited.stdout|from_json }}'
  delegate_to: localhost