require 'rubygems/test_case'
require 'rubygems/commands/cleanup_command'

class TestGemCommandsCleanupCommand < Gem::TestCase

  def setup
    super

    @cmd = Gem::Commands::CleanupCommand.new

    @a_1 = util_spec 'a', 1
    @a_2 = util_spec 'a', 2

    install_gem @a_1
    install_gem @a_2
  end

  def test_handle_options_d
    @cmd.handle_options %w[-d]
    assert @cmd.options[:dryrun]
  end

  def test_handle_options_dry_run
    @cmd.handle_options %w[--dryrun]
    assert @cmd.options[:dryrun]
  end

  def test_handle_options_n
    @cmd.handle_options %w[-n]
    assert @cmd.options[:dryrun]
  end

  def test_execute
    @cmd.options[:args] = %w[a]

    @cmd.execute

    refute_path_exists @a_1.gem_dir
  end

  def test_execute_all_dependencies
    @b_1 = util_spec 'b', 1 do |s| s.add_dependency 'a', '1' end
    @b_2 = util_spec 'b', 2 do |s| s.add_dependency 'a', '2' end

    install_gem @b_1
    install_gem @b_2

    @cmd.options[:args] = []

    @cmd.execute

    refute_path_exists @a_1.gem_dir
    refute_path_exists @b_1.gem_dir
  end

  def test_execute_all
    gemhome2 = File.join @tempdir, 'gemhome2'

    Gem.ensure_gem_subdirectories gemhome2

    Gem.use_paths @gemhome, gemhome2

    @b_1 = util_spec 'b', 1
    @b_2 = util_spec 'b', 2

    install_gem @b_1
    install_gem @b_2

    @cmd.options[:args] = []

    @cmd.execute

    assert_equal @gemhome, Gem.dir, 'GEM_HOME'
    assert_equal [@gemhome, gemhome2], Gem.path.sort, 'GEM_PATH'

    refute_path_exists @a_1.gem_dir
    refute_path_exists @b_1.gem_dir
  end

  def test_execute_all_user
    @a_1_1 = util_spec 'a', '1.1'
    @a_1_1 = install_gem_user @a_1_1 # pick up user install path

    Gem::Specification.dirs = [Gem.dir, Gem.user_dir]

    assert_path_exists @a_1.gem_dir
    assert_path_exists @a_1_1.gem_dir

    @cmd.options[:args] = %w[a]

    @cmd.execute

    refute_path_exists @a_1.gem_dir
    refute_path_exists @a_1_1.gem_dir
  end

  def test_execute_all_user_no_sudo
    FileUtils.chmod 0555, @gemhome

    @a_1_1 = util_spec 'a', '1.1'
    @a_1_1 = install_gem_user @a_1_1 # pick up user install path

    Gem::Specification.dirs = [Gem.dir, Gem.user_dir]

    assert_path_exists @a_1.gem_dir
    assert_path_exists @a_1_1.gem_dir

    @cmd.options[:args] = %w[a]

    @cmd.execute

    assert_path_exists @a_1.gem_dir
    refute_path_exists @a_1_1.gem_dir
  ensure
    FileUtils.chmod 0755, @gemhome
  end unless win_platform?

  def test_execute_dry_run
    @cmd.options[:args] = %w[a]
    @cmd.options[:dryrun] = true

    @cmd.execute

    assert_path_exists @a_1.gem_dir
  end

  def test_execute_keeps_older_versions_with_deps
    @b_1 = util_spec 'b', 1
    @b_2 = util_spec 'b', 2

    @c = util_spec 'c', 1 do |s|
      s.add_dependency 'b', '1'
    end

    install_gem @c
    install_gem @b_1
    install_gem @b_2

    @cmd.options[:args] = []

    @cmd.execute

    assert_path_exists @b_1.gem_dir
  end

  def test_execute_ignore_default_gem_verbose
    Gem.configuration.verbose = :really

    @b_1 = util_spec 'b', 1
    @b_default = new_default_spec "b", "2"
    @b_2 = util_spec 'b', 3

    install_gem @b_1
    install_default_specs @b_default
    install_gem @b_2

    @cmd.options[:args] = []

    use_ui @ui do
      @cmd.execute
    end

    assert_match %r%^Skipped default gems: b-2%, @ui.output
    assert_empty @ui.error
  end
end