Class: Capybara::Apparition::Browser::Launcher
- Inherits:
-
Object
- Object
- Capybara::Apparition::Browser::Launcher
- Defined in:
- lib/capybara/apparition/driver/launcher.rb
Constant Summary collapse
- KILL_TIMEOUT =
5
Class Method Summary collapse
Instance Method Summary collapse
- #host ⇒ Object
-
#initialize(headless:, **options) ⇒ Launcher
constructor
A new instance of Launcher.
- #port ⇒ Object
- #restart ⇒ Object
- #start ⇒ Object
- #stop ⇒ Object
- #ws_url ⇒ Object
Constructor Details
#initialize(headless:, **options) ⇒ Launcher
Returns a new instance of Launcher.
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# File 'lib/capybara/apparition/driver/launcher.rb', line 37 def initialize(headless:, **) @path = ENV['BROWSER_PATH'] @options = DEFAULT_OPTIONS.merge([:browser_options] || {}) if headless @options.merge!(HEADLESS_OPTIONS) @options['disable-gpu'] = nil if Capybara::Apparition.windows? end @options['user-data-dir'] = Dir.mktmpdir end |
Class Method Details
.process_killer(pid) ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 14 def self.process_killer(pid) proc do begin sleep 1 if Capybara::Apparition.windows? ::Process.kill('KILL', pid) else ::Process.kill('USR1', pid) timer = Capybara::Helpers.timer(expire_in: KILL_TIMEOUT) while ::Process.wait(pid, ::Process::WNOHANG).nil? sleep 0.05 next unless timer.expired? ::Process.kill('KILL', pid) ::Process.wait(pid) break end end rescue Errno::ESRCH, Errno::ECHILD # rubocop:disable Lint/SuppressedException end end end |
.start(*args, **options) ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 10 def self.start(*args, **) new(*args, **).tap(&:start) end |
Instance Method Details
#host ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 80 def host @host ||= ws_url.host end |
#port ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 84 def port @port ||= ws_url.port end |
#restart ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 75 def restart stop start end |
#start ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 47 def start @output = Queue.new = {} [:pgroup] = true unless Capybara::Apparition.windows? cmd = [path] + @options.map { |k, v| v.nil? ? "--#{k}" : "--#{k}=#{v}" } stdin, @stdout_stderr, wait_thr = Open3.popen2e(*cmd, ) stdin.close @pid = wait_thr.pid @out_thread = Thread.new do while !@stdout_stderr.eof? && (data = @stdout_stderr.readpartial(512)) @output << data end end ObjectSpace.define_finalizer(self, self.class.process_killer(@pid)) end |
#stop ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 68 def stop return unless @pid kill ObjectSpace.undefine_finalizer(self) end |
#ws_url ⇒ Object
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# File 'lib/capybara/apparition/driver/launcher.rb', line 88 def ws_url @ws_url ||= begin regexp = %r{DevTools listening on (ws://.*)} url = nil sleep 3 loop do break if (url = @output.pop.scan(regexp)[0]) end @out_thread.kill @out_thread.join # wait for thread to end before closing io close_io Addressable::URI.parse(url[0]) end end |