community.general/tests/integration/targets/filesystem/tasks/create_fs.yml

- name: filesystem creation
  filesystem:
    dev: '{{ dev }}'
    fstype: '{{ fstype }}'
  register: fs_result

- assert:
    that:
      - 'fs_result is changed'
      - 'fs_result is success'

- command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
  register: uuid

- name: "Check that filesystem isn't created if force isn't used"
  filesystem:
    dev: '{{ dev }}'
    fstype: '{{ fstype }}'
  register: fs2_result

- command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
  register: uuid2

- assert:
    that:
      - 'not (fs2_result is changed)'
      - 'fs2_result is success'
      - 'uuid.stdout == uuid2.stdout'

- name: Check that filesystem is recreated if force is used
  filesystem:
    dev: '{{ dev }}'
    fstype: '{{ fstype }}'
    force: yes
  register: fs3_result

- command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
  register: uuid3

- assert:
    that:
      - 'fs3_result is changed'
      - 'fs3_result is success'
      - 'uuid.stdout != uuid3.stdout'


- when: 'grow|bool and (fstype != "vfat" or resize_vfat)'
  block:
    - name: increase fake device
      shell: 'dd if=/dev/zero bs=1M count=1 >> {{ image_file }}'

    - name: Resize loop device for LVM
      command: losetup -c {{ dev }}
      when: fstype == 'lvm'

    - name: Expand filesystem
      filesystem:
        dev: '{{ dev }}'
        fstype: '{{ fstype }}'
        resizefs: yes
      register: fs4_result

    - command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
      register: uuid4

    - assert:
        that:
          - 'fs4_result is changed'
          - 'fs4_result is success'
          - 'uuid3.stdout == uuid4.stdout' # unchanged

- when:
    - ((grow | bool and (fstype != "vfat" or resize_vfat)) or
      (fstype == "xfs" and ansible_system == "Linux" and
      ansible_distribution not in ["CentOS", "Ubuntu", "openSUSE Leap"]))
  block:
    - name: Check that resizefs does nothing if device size is not changed
      filesystem:
        dev: '{{ dev }}'
        fstype: '{{ fstype }}'
        resizefs: yes
      register: fs5_result

    - assert:
        that:
          - 'fs5_result is not changed'
          - 'fs5_result is succeeded'