Best Selenium code snippet using Selenium.WebDriver.connect_until_stable
service_manager.rb
Source: service_manager.rb
...45 Platform.exit_hook(&method(:stop)) # make sure we don't leave the server running46 socket_lock.locked do47 find_free_port48 start_process49 connect_until_stable50 end51 end52 def stop53 return unless @shutdown_supported54 stop_server55 @process.poll_for_exit STOP_TIMEOUT56 rescue ChildProcess::TimeoutError57 nil # noop58 ensure59 stop_process60 end61 def uri62 @uri ||= URI.parse("http://#{@host}:#{@port}")63 end64 private65 def build_process(*command)66 WebDriver.logger.debug("Executing Process #{command}")67 @process = ChildProcess.build(*command)68 if WebDriver.logger.debug?69 @process.io.stdout = @process.io.stderr = WebDriver.logger.io70 elsif Platform.jruby?71 # Apparently we need to read the output of drivers on JRuby.72 @process.io.stdout = @process.io.stderr = File.new(Platform.null_device, 'w')73 end74 @process75 end76 def connect_to_server77 Net::HTTP.start(@host, @port) do |http|78 http.open_timeout = STOP_TIMEOUT / 279 http.read_timeout = STOP_TIMEOUT / 280 yield http81 end82 end83 def find_free_port84 @port = PortProber.above(@port)85 end86 def start_process87 @process = build_process(@executable_path, "--port=#{@port}", *@extra_args)88 # NOTE: this is a bug only in Windows 789 @process.leader = true unless Platform.windows?90 @process.start91 end92 def stop_process93 return if process_exited?94 @process.stop STOP_TIMEOUT95 @process.io.stdout.close if Platform.jruby? && !WebDriver.logger.debug?96 end97 def stop_server98 return if process_exited?99 connect_to_server do |http|100 headers = WebDriver::Remote::Http::Common::DEFAULT_HEADERS.dup101 http.get('/shutdown', headers)102 end103 end104 def process_running?105 defined?(@process) && @process&.alive?106 end107 def process_exited?108 @process.nil? || @process.exited?109 end110 def connect_until_stable111 socket_poller = SocketPoller.new @host, @port, START_TIMEOUT112 return if socket_poller.connected?113 raise Error::WebDriverError, cannot_connect_error_text114 end115 def cannot_connect_error_text116 "unable to connect to #{@executable_path} #{@host}:#{@port}"117 end118 def socket_lock119 @socket_lock ||= SocketLock.new(@port - 1, SOCKET_LOCK_TIMEOUT)120 end121 end # Service122 end # WebDriver123end # Selenium...
launcher.rb
Source: launcher.rb
...25 find_free_port26 create_profile27 start_silent_and_wait28 start29 connect_until_stable30 end31 self32 end33 def quit34 @binary.quit35 FileReaper.reap(@profile_dir) if @profile_dir36 end37 def find_free_port38 @port = PortProber.above @port39 end40 def create_profile41 fetch_profile unless @profile42 @profile.add_webdriver_extension43 @profile.port = @port44 @profile_dir = @profile.layout_on_disk45 FileReaper << @profile_dir46 end47 def start48 assert_profile49 @binary.start_with @profile, @profile_dir, "-foreground"50 end51 def start_silent_and_wait52 assert_profile53 @binary.start_with @profile, @profile_dir, "-silent"54 @binary.wait55 end56 def connect_until_stable57 poller = SocketPoller.new(@host, @port, STABLE_CONNECTION_TIMEOUT)58 unless poller.connected?59 @binary.quit60 raise Error::WebDriverError, "unable to obtain stable firefox connection in #{STABLE_CONNECTION_TIMEOUT} seconds (#{@host}:#{@port})"61 end62 end63 def fetch_profile64 if @profile_name65 @profile = Profile.from_name @profile_name66 unless @profile67 raise Error::WebDriverError, "unable to find profile named: #{@profile_name.inspect}"68 end69 else70 @profile = Profile.new...
connect_until_stable
Using AI Code Generation
1driver.find_element(:name, 'q').send_keys "Selenium WebDriver"2driver.find_element(:name, 'btnG').click3driver.find_element(:name, 'q').send_keys "Selenium WebDriver"4driver.find_element(:name, 'btnG').click5driver.find_element(:name, 'q').send_keys "Selenium WebDriver"6driver.find_element(:name, 'btnG').click7driver.find_element(:name, 'q').send_keys "Selenium WebDriver"8driver.find_element(:name, 'btnG').click9driver.find_element(:name, 'q').send_keys "Selenium WebDriver"10driver.find_element(:name, 'btnG').click11driver.find_element(:name, 'q').send_keys "Selenium WebDriver"12driver.find_element(:name, 'btnG').click13driver.find_element(:
connect_until_stable
Using AI Code Generation
1driver.find_element(:name, 'q').send_keys "Hello World"2driver.find_element(:name, 'btnG').click3driver.find_element(:name, 'q').send_keys "Hello World"4driver.find_element(:name, 'btnG').click5binary = Selenium::WebDriver::Firefox::Binary.new('C:\Program Files\Mozilla Firefox\firefox.exe')6driver.find_element(:name, 'q').send_keys "Hello World"7driver.find_element(:name, 'btnG').click8service = Selenium::WebDriver::Firefox::Service.new('C:\Program Files\Mozilla Firefox\firefox.exe')9driver.find_element(:name, 'q').send_keys "Hello World"10driver.find_element(:name, 'btnG').click
connect_until_stable
Using AI Code Generation
1search_box = driver.find_element(:name, 'q')2wait = Selenium::WebDriver::Wait.new(:timeout => 10)3wait.until { driver.title.downcase.start_with? 'selenium' }4search_box = driver.find_element(:name, 'q')5search_box.wait_until { |el| el.attribute('value').downcase.start_with? 'selenium' }6search_box = driver.find_element(:name, 'q')7search_box.wait_until(10) { |el| el.attribute('value').downcase.start_with? 'selenium' }8search_box = driver.find_element(:name, 'q')9search_box.wait_until(10, 'Expected text to start with "Selenium"') do |el|10 el.attribute('value').downcase.start_with? 'selenium'11search_box = driver.find_element(:name, 'q')12search_box.wait_until(10, Selenium::WebDriver::Error::NoSuchElementError
connect_until_stable
Using AI Code Generation
1driver.find_element(:name, 'q').send_keys("Selenium WebDriver")2driver.find_element(:name, 'btnG').click3driver.find_element(:name, 'q').send_keys("Selenium WebDriver")4driver.find_element(:name, 'btnG').click5driver.find_element(:name, 'q').send_keys("Selenium WebDriver")6driver.find_element(:name, 'btnG').click7driver.find_element(:name, 'q').send_keys("Selenium WebDriver")8driver.find_element(:name, 'btnG').click9driver.find_element(:name, 'q').send_keys("Selenium WebDriver")10driver.find_element(:name, 'btnG').click11driver.find_element(:name, 'q').send_keys("S
connect_until_stable
Using AI Code Generation
1driver.find_element(:name, 'q').send_keys("Selenium WebDriver")2driver.find_element(:name, 'btnG').click3driver.find_element(:name, 'q').send_keys("Selenium WebDriver")4driver.find_element(:name, 'btnG').click5driver.find_element(:name, 'q').send_keys("Selenium WebDriver")6driver.find_element(:name, 'btnG').click7driver.find_element(:name, 'q').send_keys("Selenium WebDriver")8driver.find_element(:name, 'btnG').click9driver.find_element(:name, 'q').send_keys("Selenium WebDriver")10driver.find_element(:name, 'btnG').click11driver.find_element(:name, 'q').send_keys("S
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Selenium is not crashing. Your code has encountered an exceptional condition (attempting to work with an element that is not there). The code is correctly responding to that exceptional condition by raising a NoSuchElementError
.
If you are trying to determine if an element is there, you can use Driver#find_elements
and check if the Array#size
equals 0.
If you are trying to work with an element that is not yet on the page, you'll need to create an explicit wait to poll for the element to show up as in DebanjanB's answer.
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