iOS TestNight #6の公開用サンプルコード

record.sh

# recordVideoをバックグラウンドで実行
xcrun simctl io booted recordVideo screenshots/test.mov &

# プロセスIDを保存
PID=`echo $!`

# テスト実行
bundle exec rspec spec/scenario_test.rb

# バックグラウンドのrecordVideoにSIGINTシグナルを送信
kill -2 $PID

recorder.rb

require 'open3'
require 'json'

class Recorder
  attr_reader :udid, :pid, :file_path

  def initialize(driver)
    @udid = _get_udid(driver)
  end

  def _get_udid(driver)
    device_name = driver.caps[:deviceName]
    platform_version = driver.caps[:platformVersion]

    # appiumが実行しているシミュレータのUDIDを取得
    stdout, _stderr, _status = Open3.capture3('xcrun simctl list --json devices')
    json = JSON.parse(stdout)
    booted_device = json.dig('devices', "iOS #{platform_version}").find do |device|
      device['state'] == 'Booted' && device['name'].match(device_name)
    end

    booted_device['udid']
  end

  def start(file_path)
    raise 'UDID is null' unless @udid
    raise 'Already started recording' if @pid

    # バックグラウンドで録画を開始
    @pid = spawn("xcrun simctl io #{@udid} recordVideo #{file_path}", out: '/dev/null', err: '/dev/null')
    @file_path = file_path
    Process.detach(@pid)
  end

  def stop
    raise 'Any recording process started' unless @pid

    # 録画終了
    killed_process_num = Process.kill('SIGINT', @pid)
    raise "Kill pid: #{@pid} did not end correctly" unless killed_process_num.positive?

    # たまに終了に時間がかかる場合があるので待つ。既に終了している場合はエラーになるのでrescueで無視する
    begin
      Process.waitpid(@pid)
    rescue Errno::ECHILD
    end

    @pid = nil
  end

  def remove_video
    raise 'file_path is null' unless @file_path

    File.delete(@file_path)
    @file_path = nil
  end
end

spec_helper.rb

RSpec.configure do |config|
  config.before(:each) do |example|
    @driver = Appium::Driver.new(capability)
    @driver.start_driver

    @recorder = Recorder.new(@driver)
    @recorder.start("#{ROOT}/screenshots/#{example.description}.mov")
  end

  config.after(:each) do |example|
    @recorder.stop

    # テストが通った場合は録画を消す（=失敗したものは残る）
    @recorder.remove_video unless example.exception

    @driver.driver_quit
  end
end