Class: Capybara::Cuprite::Browser::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/capybara/cuprite/browser/client.rb

Defined Under Namespace

Classes: IdError

Instance Method Summary collapse

Constructor Details

#initialize(browser, ws_url) ⇒ Client

Returns a new instance of Client.



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# File 'lib/capybara/cuprite/browser/client.rb', line 11

def initialize(browser, ws_url)
  @command_id = 0
  @subscribed = Hash.new { |h, k| h[k] = [] }
  @browser = browser
  @commands = Queue.new
  @ws = WebSocket.new(ws_url, @browser.logger)

  @thread = Thread.new do
    while message = @ws.messages.pop
      method, params = message.values_at("method", "params")
      if method
        @subscribed[method].each { |b| b.call(params) }
      else
        @commands.push(message)
      end
    end

    @commands.close
  end
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/capybara/cuprite/browser/client.rb', line 54

def close
  @ws.close
  @thread.kill
end

#command(method, params = {}) ⇒ Object 



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# File 'lib/capybara/cuprite/browser/client.rb', line 32

def command(method, params = {})
  message = build_message(method, params)
  @ws.send_message(message)
  message[:id]
end

#subscribe(event, &block) ⇒ Object 



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# File 'lib/capybara/cuprite/browser/client.rb', line 49

def subscribe(event, &block)
  @subscribed[event] << block
  true
end

#wait(id:) ⇒ Object 



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# File 'lib/capybara/cuprite/browser/client.rb', line 38

def wait(id:)
  message = Timeout.timeout(@browser.timeout, TimeoutError) { @commands.pop }
  raise DeadBrowser unless message
  raise IdError if message["id"] != id
  error, response = message.values_at("error", "result")
  raise BrowserError.new(error) if error
  response
rescue IdError
  retry
end