require File.expand_path('../spec_helper', __FILE__)

module XcodeInstall
  describe '#fetch' do
    before do
      client = mock
      client.stubs(:cookie).returns('customCookie')
      Spaceship::PortalClient.stubs(:login).returns(client)
    end

    it 'downloads the file and calls the `progress_block` with the percentage' do
      installer = Installer.new

      xcode = XcodeInstall::Xcode.new('name' => 'Xcode 9.3',
                                      'files' => [{
                                        'remotePath' => '/Developer_Tools/Xcode_9.3/Xcode_9.3.xip'
                                      }])

      installer.stubs(:fetch_seedlist).returns([xcode])

      stdin = 'stdin'
      stdout = 'stdout'
      stderr = 'stderr'
      wait_thr = 'wait_thr'

      stdin.stubs(:close)
      stdout.stubs(:close)
      stderr.stubs(:close)

      current_time = '123123'
      Time.stubs(:now).returns(current_time)

      xip_path = File.join(File.expand_path('~'), '/Library/Caches/XcodeInstall/Xcode_9.3.xip')
      progress_log_file = File.join(File.expand_path('~'), "/Library/Caches/XcodeInstall/progress.#{current_time}.progress")

      command = [
        'curl',
        '--cookie customCookie',
        '--cookie-jar /tmp/curl-cookies.txt',
        '--retry 3',
        '--location',
        '--continue-at -',
        "--output #{xip_path}",
        'https://developer.apple.com/devcenter/download.action\\?path\\=/Developer_Tools/Xcode_9.3/Xcode_9.3.xip',
        "2> #{progress_log_file}"
      ]
      Open3.stubs(:popen3).with(command.join(' ')).returns([stdin, stdout, stderr, wait_thr])

      wait_thr.stubs(:alive?).returns(true)

      thr_value = 'thr_value'
      wait_thr.stubs(:value).returns(thr_value)
      thr_value.stubs(:success?).returns(true)

      installer.stubs(:install_dmg).with(Pathname.new(xip_path), '-9.3', false, false)

      Thread.new do
        sleep(1)
        File.write(progress_log_file, '  0 4766M    0 6835k    0     0   573k      0  2:21:58  0:00:11  2:21:47  902k')
        sleep(1)
        File.write(progress_log_file, ' 5 4766M    0 6835k    0     0   573k      0  2:21:58  0:00:11  2:21:47  902k')
        sleep(1)
        File.write(progress_log_file, '50 4766M    0 6835k    0     0   573k      0  2:21:58  0:00:11  2:21:47  902k')
        sleep(1)
        File.write(progress_log_file, '100 4766M    0 6835k    0     0   573k      0  2:21:58  0:00:11  2:21:47  902k')
        sleep(0.5)
        wait_thr.stubs(:alive?).returns(false)
      end

      percentages = []
      installer.install_version(
        # version: the version to install
        '9.3',
        # `should_switch
        false,
        # `should_clean`
        false, # false for now for faster debugging
        # `should_install`
        true,
        # `progress`
        false,
        # `url` is nil, as we don't have a custom source
        nil,
        # `show_release_notes` is `false`, as this is a non-interactive machine
        false,
        # `progress_block` be updated on the download progress
        proc do |percent|
          percentages << percent
        end
      )

      percentages.each do |current_percent|
        # Verify all reported percentages are between 0 and 100
        current_percent.should.be.close(50, 50)
      end
      # Verify we got a good amount of percentages reported
      percentages.count.should.be.close(8, 4)
    end
  end
end