---
- name: Set fact
  ansible.builtin.set_fact:
    a:
      b:
        c:
          d:
            - 0

- name: Check argspec validation with lookup
  ansible.builtin.set_fact:
    _result: "{{ a | ansible.utils.to_paths(wantlist=5) }}"
  ignore_errors: true
  register: result

- name: Debug
  ansible.builtin.debug:
    var: result

- name: Assert
  ansible.builtin.assert:
    that: "{{ msg in result.msg }}"
  vars:
    msg: "'5' is not a valid boolean"

- name: Check argspec validation with lookup
  ansible.builtin.set_fact:
    _result: "{{ lookup('ansible.utils.to_paths') }}"
  ignore_errors: true
  register: result

- name: Debug
  ansible.builtin.debug:
    var: result

- name: Assert
  ansible.builtin.assert:
    that: "{{ msg in result.msg }}"
  vars:
    msg: "missing required arguments: var"