---

- set_fact:
    test_ppa_name: 'ppa:git-core/ppa'
    test_ppa_filename: 'git-core'
    test_ppa_spec: 'deb http://ppa.launchpad.net/git-core/ppa/ubuntu {{ansible_distribution_release}} main'
    test_ppa_key: 'E1DF1F24' # http://keyserver.ubuntu.com:11371/pks/lookup?search=0xD06AAF4C11DAB86DF421421EFE6B20ECA7AD98A1&op=index

- name: show python version
  debug: var=ansible_python_version

- name: use python-apt
  set_fact:
    python_apt: python-apt
  when: ansible_python_version is version('3', '<')

- name: use python3-apt
  set_fact:
    python_apt: python3-apt
  when: ansible_python_version is version('3', '>=')

# UNINSTALL 'python-apt'
#  The `apt_repository` module has the smarts to auto-install `python-apt`.  To
# test, we will first uninstall `python-apt`.
- name: check {{ python_apt }} with dpkg
  shell: dpkg -s {{ python_apt }}
  register: dpkg_result
  ignore_errors: true

- name: uninstall {{ python_apt }} with apt
  apt: pkg={{ python_apt }} state=absent purge=yes
  register: apt_result
  when: dpkg_result is successful

#
# TEST: apt_repository: repo=<name>
#
- include: 'cleanup.yml'

- name: 'record apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_before

- name: 'name=<name> (expect: pass)'
  apt_repository: repo='{{test_ppa_name}}' state=present
  register: result

- name: 'assert the apt cache did *NOT* change'
  assert:
    that:
      - 'result.changed'
      - 'result.state == "present"'
      - 'result.repo == "{{test_ppa_name}}"'

- name: 'examine apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_after

- name: 'assert the apt cache did change'
  assert:
    that:
      - 'cache_before.stat.mtime != cache_after.stat.mtime'

- name: 'ensure ppa key is installed (expect: pass)'
  apt_key: id='{{test_ppa_key}}' state=present

#
# TEST: apt_repository: repo=<name> update_cache=no
#
- include: 'cleanup.yml'

- name: 'record apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_before

- name: 'name=<name> update_cache=no (expect: pass)'
  apt_repository: repo='{{test_ppa_name}}' state=present update_cache=no
  register: result

- assert:
    that:
      - 'result.changed'
      - 'result.state == "present"'
      - 'result.repo == "{{test_ppa_name}}"'

- name: 'examine apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_after

- name: 'assert the apt cache did *NOT* change'
  assert:
    that:
      - 'cache_before.stat.mtime == cache_after.stat.mtime'

- name: 'ensure ppa key is installed (expect: pass)'
  apt_key: id='{{test_ppa_key}}' state=present

#
# TEST: apt_repository: repo=<name> update_cache=yes
#
- include: 'cleanup.yml'

- name: 'record apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_before

- name: 'name=<name> update_cache=yes (expect: pass)'
  apt_repository: repo='{{test_ppa_name}}' state=present update_cache=yes
  register: result

- assert:
    that:
      - 'result.changed'
      - 'result.state == "present"'
      - 'result.repo == "{{test_ppa_name}}"'

- name: 'examine apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_after

- name: 'assert the apt cache did change'
  assert:
    that:
      - 'cache_before.stat.mtime != cache_after.stat.mtime'

- name: 'ensure ppa key is installed (expect: pass)'
  apt_key: id='{{test_ppa_key}}' state=present

#
# TEST: apt_repository: repo=<spec>
#
- include: 'cleanup.yml'

- name: 'record apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_before

- name: 'name=<spec> (expect: pass)'
  apt_repository: repo='{{test_ppa_spec}}' state=present
  register: result

- assert:
    that:
      - 'result.changed'
      - 'result.state == "present"'
      - 'result.repo == "{{test_ppa_spec}}"'

- name: 'examine apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_after

- name: 'assert the apt cache did change'
  assert:
    that:
      - 'cache_before.stat.mtime != cache_after.stat.mtime'

# When installing a repo with the spec, the key is *NOT* added
- name: 'ensure ppa key is absent (expect: pass)'
  apt_key: id='{{test_ppa_key}}' state=absent

#
# TEST: apt_repository: repo=<spec> filename=<filename>
#
- include: 'cleanup.yml'

- name: 'record apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_before

- name: 'name=<spec> filename=<filename> (expect: pass)'
  apt_repository: repo='{{test_ppa_spec}}' filename='{{test_ppa_filename}}' state=present
  register: result

- assert:
    that:
      - 'result.changed'
      - 'result.state == "present"'
      - 'result.repo == "{{test_ppa_spec}}"'

- name: 'examine source file'
  stat: path='/etc/apt/sources.list.d/{{test_ppa_filename}}.list'
  register: source_file

- name: 'assert source file exists'
  assert:
    that:
      - 'source_file.stat.exists == True'

- name: 'examine apt cache mtime'
  stat: path='/var/cache/apt/pkgcache.bin'
  register: cache_after

- name: 'assert the apt cache did change'
  assert:
    that:
      - 'cache_before.stat.mtime != cache_after.stat.mtime'

# When installing a repo with the spec, the key is *NOT* added
- name: 'ensure ppa key is absent (expect: pass)'
  apt_key: id='{{test_ppa_key}}' state=absent

- name: Test apt_repository with a null value for repo
  apt_repository:
    repo:
  register: result
  ignore_errors: yes

- assert:
    that:
      - result is failed
      - result.msg == 'Please set argument \'repo\' to a non-empty value'

- name: Test apt_repository with an empty value for repo
  apt_repository:
    repo: ""
  register: result
  ignore_errors: yes

- assert:
    that:
      - result is failed
      - result.msg == 'Please set argument \'repo\' to a non-empty value'

#
# TEARDOWN
#
- include: 'cleanup.yml'