####################################################################
# WARNING: These are designed specifically for Ansible tests       #
# and should not be used as examples of how to write Ansible roles #
####################################################################

# test code for the gem module
# (c) 2014, James Tanner <tanner.jc@gmail.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

- include_vars: '{{ item }}'
  with_first_found:
    - files:
        - '{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml'
        - '{{ ansible_distribution }}-{{ ansible_distribution_version }}.yml'
        - '{{ ansible_os_family }}.yml'
        - 'default.yml'
      paths: '../vars'

- name: Install dependencies for test
  package:
    name: "{{ item }}"
    state: present
  loop: "{{ test_packages }}"
  when: ansible_distribution != "MacOSX"

- name: Install a gem
  gem:
    name: gist
    state: present
  register: install_gem_result
  ignore_errors: yes

# when running as root on Fedora, '--install-dir' is set in the os defaults which is
# incompatible with '--user-install', we ignore this error for this case only
- name: fail if failed to install gem
  fail:
    msg: "failed to install gem: {{ install_gem_result.msg }}"
  when:
  - install_gem_result is failed
  - not (ansible_user_uid == 0 and "User --install-dir or --user-install but not both" not in install_gem_result.msg)

- block:
  - name: List gems
    command: gem list
    register: current_gems

  - name: Ensure gem was installed
    assert:
      that:
        - install_gem_result is changed
        - current_gems.stdout is search('gist\s+\([0-9.]+\)')

  - name: Remove a gem
    gem:
      name: gist
      state: absent
    register: remove_gem_results

  - name: List gems
    command: gem list
    register: current_gems

  - name: Verify gem is not installed
    assert:
      that:
        - remove_gem_results is changed
        - current_gems.stdout is not search('gist\s+\([0-9.]+\)')
  when: not install_gem_result is failed

# install gem in --no-user-install
- block:
  - name: Install a gem with --no-user-install
    gem:
      name: gist
      state: present
      user_install: no
    register: install_gem_result

  - name: List gems
    command: gem list
    register: current_gems

  - name: Ensure gem was installed
    assert:
      that:
        - install_gem_result is changed
        - current_gems.stdout is search('gist\s+\([0-9.]+\)')

  - name: Remove a gem
    gem:
      name: gist
      state: absent
    register: remove_gem_results

  - name: List gems
    command: gem list
    register: current_gems

  - name: Verify gem is not installed
    assert:
      that:
        - remove_gem_results is changed
        - current_gems.stdout is not search('gist\s+\([0-9.]+\)')
  when: ansible_user_uid == 0

# Check cutom gem directory
- name: Install gem in a custom directory with incorrect options
  gem:
    name: gist
    state: present
    install_dir: "{{ remote_tmp_dir }}/gems"
  ignore_errors: yes
  register: install_gem_fail_result

- debug:
    var: install_gem_fail_result
  tags: debug

- name: Ensure previous task failed
  assert:
    that:
      - install_gem_fail_result is failed
      - install_gem_fail_result.msg == 'install_dir requires user_install=false'

- name: Install a gem in a custom directory
  gem:
    name: gist
    state: present
    user_install: no
    install_dir: "{{ remote_tmp_dir }}/gems"
  register: install_gem_result

- name: Find gems in custom directory
  find:
    paths: "{{ remote_tmp_dir }}/gems/gems"
    file_type: directory
    contains: gist
  register: gem_search

- name: Ensure gem was installed in custom directory
  assert:
    that:
      - install_gem_result is changed
      - gem_search.files[0].path is search('gist-[0-9.]+')
  ignore_errors: yes

- name: Remove a gem in a custom directory
  gem:
    name: gist
    state: absent
    user_install: no
    install_dir: "{{ remote_tmp_dir }}/gems"
  register: install_gem_result

- name: Find gems in custom directory
  find:
    paths: "{{ remote_tmp_dir }}/gems/gems"
    file_type: directory
    contains: gist
  register: gem_search

- name: Ensure gem was removed in custom directory
  assert:
    that:
      - install_gem_result is changed
      - gem_search.files | length == 0