Class: Maze::Client::BrowserStackClientUtils

Inherits:
Object
  • Object
show all
Defined in:
lib/maze/client/bs_client_utils.rb

Overview

Utils supporting the BrowserStack device farm integration

Class Method Summary collapse

Class Method Details

.build_info(username, access_key, build_name) ⇒ Object

Gets the build/session info from BrowserStack

Parameters:

  • username (String) —

    the BrowserStack username

  • access_key (String) —

    the BrowserStack access key

  • build_name (String) —

    the name of the BrowserStack build



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# File 'lib/maze/client/bs_client_utils.rb', line 109

def build_info(username, access_key, build_name)
  # Get the ID of a build
  uri = URI("https://api.browserstack.com/app-automate/builds.json?name=#{build_name}")
  request = Net::HTTP::Get.new(uri)
  request.basic_auth(username, access_key)

  res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
    http.request(request)
  end

  build_info = JSON.parse(res.body)

  if !build_info.empty?
    build_id = build_info[0]['automation_build']['hashed_id']

    # Get the build info
    uri = URI("https://api.browserstack.com/app-automate/builds/#{build_id}/sessions")
    request = Net::HTTP::Get.new(uri)
    request.basic_auth(username, access_key)

    res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
      http.request(request)
    end

    build_json = JSON.parse(res.body)
  else
    raise "No build found for given ID: #{build_name}"
  end
  build_json
end

.download_log(username, access_key, name, log_url, log_type) ⇒ Object

Parameters:

  • username (String) —

    the BrowserStack username

  • access_key (String) —

    the BrowserStack access key

  • name (String) —

    name of the build the log is being downloaded from

  • log_url (String) —

    url to the log

  • log_type (Symbol) —

    The type of log we are downloading



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# File 'lib/maze/client/bs_client_utils.rb', line 145

def download_log(username, access_key, name, log_url, log_type)
  begin
    path = File.join(Dir.pwd, 'maze_output', log_type.to_s)
    FileUtils.makedirs(path)

    uri = URI(log_url)
    request = Net::HTTP::Get.new(uri)
    request.basic_auth(username, access_key)

    res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
      http.request(request)
    end

    $logger.info "Saving #{log_type.to_s} log to #{path}/#{name}.log"
    File.open("#{path}/#{name}.log", 'w+') { |file| file.write(res.body) }
  rescue StandardError => e
    $logger.warn "Unable to save log from #{log_url}"
    $logger.warn e
  end
end

.start_local_tunnel(bs_local, local_id, access_key) ⇒ Object

Starts the BrowserStack local tunnel

Parameters:

  • bs_local (String) —

    path to the BrowserStackLocal binary

  • local_id (String) —

    unique key for the tunnel instance

  • access_key (String) —

    BrowserStack access key



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# File 'lib/maze/client/bs_client_utils.rb', line 79

def start_local_tunnel(bs_local, local_id, access_key)
  $logger.info 'Starting BrowserStack local tunnel'
  command = "#{bs_local} -d start --key #{access_key} --local-identifier #{local_id} " \
              '--force-local --only-automate --force'

  # Extract the pid from the output so it gets killed at the end of the run
  output = Runner.run_command(command)[0][0]
  begin
    @pid = JSON.parse(output)['pid']
    $logger.info "BrowserStackLocal daemon running under pid #{@pid}"
  rescue JSON::ParserError
    $logger.warn 'Unable to parse pid from output, BrowserStackLocal will be left to die its own death'
  end
end

.stop_local_tunnel ⇒ Object

Stops the local tunnel



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# File 'lib/maze/client/bs_client_utils.rb', line 95

def stop_local_tunnel
  if @pid
    $logger.info "Stopping BrowserStack local tunnel"
    Process.kill('TERM', @pid)
    @pid = nil
  end
rescue Errno::ESRCH
  # ignored
end

.upload_app(username, access_key, app, app_id_file = nil) ⇒ Object

Uploads an app to BrowserStack for later consumption

Parameters:

  • username (String) —

    the BrowserStack username

  • access_key (String) —

    the BrowserStack access key

  • app_id_file (String) (defaults to: nil) —

    the file to write the uploaded app url to BrowserStack



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# File 'lib/maze/client/bs_client_utils.rb', line 13

def upload_app(username, access_key, app, app_id_file=nil)
  if app.start_with? 'bs://'
    app_url = app
    $logger.info "Using pre-uploaded app from #{app}"
  else
    expanded_app = Maze::Helper.expand_path(app)

    uri = URI('https://api-cloud.browserstack.com/app-automate/upload')
    request = Net::HTTP::Post.new(uri)
    request.basic_auth(username, access_key)
    request.set_form({ 'file' => File.new(expanded_app, 'rb') }, 'multipart/form-data')

    upload_tries = 0
    allowed_tries = 10

    while upload_tries < allowed_tries
      begin
        $logger.info "Uploading app: #{expanded_app}"
        res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
          http.request(request)
        end

        body = res.body
        response = JSON.parse body
        if response.include?('error')
          $logger.error "Upload failed due to error: #{response['error']}"
        elsif !response.include?('app_url')
          $logger.error "Upload failed, response did not include an app_url: #{res}"
        else
          # Successful upload
          break
        end
      rescue Net::ReadTimeout
        $logger.error "Upload failed due to ReadTimeout"
      rescue JSON::ParserError
        $logger.error "Unexpected JSON response, received: #{body}"
      end

      upload_tries += 1
      if upload_tries < allowed_tries
        $logger.info 'Retrying upload in 60s'
        Kernel::sleep 60
      end
    end

    if response.nil? || response.include?('error') || !response.include?('app_url')
      raise "Failed to upload app after #{upload_tries} attempts"
    end

    app_url = response['app_url']
    $logger.info "App uploaded to: #{app_url}"
    $logger.info 'You can use this url to avoid uploading the same app more than once.'
  end

  unless app_id_file.nil?
    $logger.info "Writing uploaded app url to #{app_id_file}"
    File.write(Maze::Helper.expand_path(app_id_file), app_url)
  end

  app_url
end