ansible/test/integration/targets/lookup_sequence/tasks/main.yml

- name: test with_sequence
  set_fact: "{{ 'x' + item }}={{ item }}"
  with_sequence: start=0 end=3

- name: test with_sequence backwards
  set_fact: "{{ 'y' + item }}={{ item }}"
  with_sequence: start=3 end=0 stride=-1

- name: verify with_sequence
  assert:
    that:
        - "x0 == '0'"
        - "x1 == '1'"
        - "x2 == '2'"
        - "x3 == '3'"
        - "y3 == '3'"
        - "y2 == '2'"
        - "y1 == '1'"
        - "y0 == '0'"

- name: test with_sequence not failing on count == 0
  debug: msg='previously failed with backward counting error'
  with_sequence: count=0
  register: count_of_zero

- name: test with_sequence does 1 when start == end
  debug: msg='should run once'
  with_sequence: start=1 end=1
  register: start_equal_end

- name: test with_sequence count 1
  set_fact: "{{ 'x' + item }}={{ item }}"
  with_sequence: count=1
  register: count_of_one

- assert:
    that:
        - start_equal_end is not skipped
        - count_of_zero is skipped
        - count_of_one is not skipped

- name: test with_sequence shortcut syntax (end)
  set_fact: "{{ 'ws_z_' + item }}={{ item }}"
  with_sequence: '4'

- name: test with_sequence shortcut syntax (start-end/stride)
  set_fact: "{{ 'ws_z_' + item }}=stride_{{ item }}"
  with_sequence: '2-6/2'

- name: test with_sequence shortcut syntax (start-end:format)
  set_fact: "{{ 'ws_z_' + item }}={{ item }}"
  with_sequence: '7-8:host%02d'

- name: verify with_sequence shortcut syntax
  assert:
    that:
        - "ws_z_1 == '1'"
        - "ws_z_2 == 'stride_2'"
        - "ws_z_3 == '3'"
        - "ws_z_4 == 'stride_4'"
        - "ws_z_6 == 'stride_6'"
        - "ws_z_host07 == 'host07'"
        - "ws_z_host08 == 'host08'"