ansible/test/integration/targets/config/types.yml

- hosts: localhost
  gather_facts: false
  tasks:
    - name: ensures we got the values we expected
      block:
        - name: initialize plugin
          debug: msg={{ lookup('types', 'starting test') }}

        - set_fact:
            valid: '{{ lookup("config", "valid", plugin_type="lookup", plugin_name="types") }}'
            mustunquote: '{{ lookup("config", "mustunquote", plugin_type="lookup", plugin_name="types") }}'
            notvalid: '{{ lookup("config", "notvalid", plugin_type="lookup", plugin_name="types") }}'
            totallynotvalid: '{{ lookup("config", "totallynotvalid", plugin_type="lookup", plugin_name="types") }}'
            str_mustunquote: '{{ lookup("config", "str_mustunquote", plugin_type="lookup", plugin_name="types") }}'

        - assert:
            that:
            - 'valid|type_debug == "list"'
            - 'mustunquote|type_debug == "list"'
            - 'notvalid|type_debug == "list"'
            - 'totallynotvalid|type_debug == "list"'
            - 'str_mustunquote|type_debug == "AnsibleUnsafeText"'
            - valid[0]|int == 1
            - mustunquote[0]|int == 1
            - "notvalid[0] == '[1'"
            # using 'and true' to avoid quote hell
            - totallynotvalid[0] == "['1'" and True
            - str_mustunquote == "foo"