require 'rubygems/installer_test_case'
require 'rubygems/install_update_options'
require 'rubygems/command'

class TestGemInstallUpdateOptions < Gem::InstallerTestCase

  def setup
    super

    @cmd = Gem::Command.new 'dummy', 'dummy'
    @cmd.extend Gem::InstallUpdateOptions
    @cmd.add_install_update_options
  end

  def test_add_install_update_options
    args = %w[-i /install_to --rdoc --ri -E -f -w -P HighSecurity
              --ignore-dependencies --format-exec --include-dependencies]

    assert @cmd.handles?(args)
  end

  def test_security_policy
    @cmd.handle_options %w[-P HighSecurity]

    assert_equal Gem::Security::HighSecurity, @cmd.options[:security_policy]
  end

  def test_security_policy_unknown
    @cmd.add_install_update_options

    assert_raises OptionParser::InvalidArgument do
      @cmd.handle_options %w[-P UnknownSecurity]
    end
  end

  def test_user_install_enabled
    @cmd.handle_options %w[--user-install]

    assert @cmd.options[:user_install]

    @installer = Gem::Installer.new @gem, @cmd.options
    @installer.install
    assert_path_exists File.join(Gem.user_dir, 'gems')
    assert_path_exists File.join(Gem.user_dir, 'gems', @spec.full_name)
  end

  def test_user_install_disabled_read_only
    if win_platform?
      skip('test_user_install_disabled_read_only test skipped on MS Windows')
    else
      @cmd.handle_options %w[--no-user-install]

      refute @cmd.options[:user_install]

      FileUtils.chmod 0755, @userhome
      FileUtils.chmod 0000, @gemhome

      Gem.use_paths @gemhome, @userhome

      assert_raises(Gem::FilePermissionError) do
        Gem::Installer.new(@gem, @cmd.options).install
      end
    end
  ensure
    FileUtils.chmod 0755, @gemhome
  end
end