---
####################################################################
# 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
# Copyright (c) 2014, James Tanner <tanner.jc@gmail.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

- when:
    - not (ansible_os_family == 'Alpine')  # TODO
  block:

  - 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: true

  # 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: false
      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 custom 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: true
    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: false
      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: true

  - name: Remove a gem in a custom directory
    gem:
      name: gist
      state: absent
      user_install: false
      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

  # Custom directory for executables (--bindir)
  - name: Install gem with custom bindir
    gem:
      name: gist
      state: present
      bindir: "{{ remote_tmp_dir }}/custom_bindir"
      norc: true
      user_install: false  # Avoid conflicts between --install-dir and --user-install when running as root on CentOS / Fedora / RHEL
    register: install_gem_result

  - name: Get stats of gem executable
    stat:
      path: "{{ remote_tmp_dir }}/custom_bindir/gist"
    register: gem_bindir_stat

  - name: Ensure gem executable was installed in custom directory
    assert:
      that:
        - install_gem_result is changed
        - gem_bindir_stat.stat.exists and gem_bindir_stat.stat.isreg

  - name: Remove gem with custom bindir
    gem:
      name: gist
      state: absent
      bindir: "{{ remote_tmp_dir }}/custom_bindir"
      norc: true
      user_install: false  # Avoid conflicts between --install-dir and --user-install when running as root on CentOS / Fedora / RHEL
    register: install_gem_result

  - name: Get stats of gem executable
    stat:
      path: "{{ remote_tmp_dir }}/custom_bindir/gist"
    register: gem_bindir_stat

  - name: Ensure gem executable was removed from custom directory
    assert:
      that:
        - install_gem_result is changed
        - not gem_bindir_stat.stat.exists
