Class: Capybara::Apparition::Driver

Inherits:
Driver::Base
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/capybara/apparition/driver.rb

Constant Summary collapse

DEFAULT_TIMEOUT = 
30

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Driver

Returns a new instance of Driver.



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# File 'lib/capybara/apparition/driver.rb', line 29

def initialize(app, options = {})
  @app       = app
  @options   = options
  generate_browser_options
  @browser   = nil
  @inspector = nil
  @client    = nil
  @launcher  = nil
  @started   = false
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/capybara/apparition/driver.rb', line 15

def app
  @app
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/capybara/apparition/driver.rb', line 15

def options
  @options
end

Instance Method Details

#accept_modal(type, options = {}) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 315

def accept_modal(type, options = {})
  case type
  when :alert
    browser.accept_alert
  when :confirm
    browser.accept_confirm
  when :prompt
    browser.accept_prompt options[:with]
  end

  yield if block_given?

  find_modal(options)
end

#add_header(name, value, options = {}) ⇒ Object Also known as: header 



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# File 'lib/capybara/apparition/driver.rb', line 218

def add_header(name, value, options = {})
  browser.add_header({ name => value }, { permanent: true }.merge(options))
end

#basic_authorize(user = nil, password = nil) ⇒ Object Also known as: authenticate 



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# File 'lib/capybara/apparition/driver.rb', line 249

def basic_authorize(user = nil, password = nil)
  browser.set_http_auth(user, password)
end

#browser ⇒ Object

def chrome_url

'ws://localhost:9223'

end



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# File 'lib/capybara/apparition/driver.rb', line 48

def browser
  @browser ||= begin
    Browser.new(client, browser_logger) do |browser|
      browser.js_errors = options.fetch(:js_errors, true)
      browser.ignore_https_errors = options.fetch(:ignore_https_errors, false)
      browser.extensions = options.fetch(:extensions, [])
      browser.debug      = options.fetch(:debug, false)
      browser.url_blacklist = options[:url_blacklist] || []
      browser.url_whitelist = options[:url_whitelist] || []
    end
  end
end

#browser_logger ⇒ Object

logger should be an object that behaves like IO or nil



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# File 'lib/capybara/apparition/driver.rb', line 87

def browser_logger
  options.fetch(:browser_logger, $stdout)
end

#click(x, y) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 116

def click(x, y)
  browser.click_coordinates(x, y)
end

#client ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 65

def client
  @client ||= begin
    @launcher ||= Browser::Launcher.start(
      headless: options.fetch(:headless, true),
      browser_options: browser_options
    )
    ws_url = @launcher.ws_url
    ::Capybara::Apparition::ChromeClient.client(ws_url.to_s)
  end
end

#current_window_handle ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 139

def current_window_handle
  browser.current_window_handle
end

#debug ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 254

def debug
  if @options[:inspector]
    # Fall back to default scheme
    scheme = begin
               URI.parse(browser.current_url).scheme
             rescue StandardError
               nil
             end
    scheme = 'http' if scheme != 'https'
    inspector.open(scheme)
    pause
  else
    raise Error, 'To use the remote debugging, you have to launch the driver ' \
                 'with `:inspector => true` configuration option'
  end
end

#dismiss_modal(type, options = {}) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 330

def dismiss_modal(type, options = {})
  case type
  when :confirm
    browser.dismiss_confirm
  when :prompt
    browser.dismiss_prompt
  end

  yield if block_given?
  find_modal(options)
end

#error_messages ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 350

def error_messages
  console_messages('error')
end

#evaluate_async_script(script, *args) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 126

def evaluate_async_script(script, *args)
  retry_if_wrong_world do
    unwrap_script_result(browser.evaluate_async(script, session_wait_time, *native_args(args)))
  end
end

#evaluate_script(script, *args) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 120

def evaluate_script(script, *args)
  retry_if_wrong_world do
    unwrap_script_result(browser.evaluate(script, *native_args(args)))
  end
end

#execute_script(script, *args) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 132

def execute_script(script, *args)
  retry_if_wrong_world do
    browser.execute(script, *native_args(args))
  end
  nil
end

#find(method, selector) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 102

def find(method, selector)
  browser.find(method, selector).map do |page_id, id, attrs|
    Capybara::Apparition::Node.new(self, page_id, id, attrs)
  end
end

#find_css(selector) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 112

def find_css(selector)
  find :css, selector.to_s
end

#find_xpath(selector) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 108

def find_xpath(selector)
  find :xpath, selector.to_s
end

#fullscreen_window(handle) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 190

def fullscreen_window(handle)
  _within_window(handle) do
    browser.fullscreen
  end
end

#inspector ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 61

def inspector
  @inspector ||= options[:inspector] && Inspector.new(options[:inspector])
end

#invalid_element_errors ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 311

def invalid_element_errors
  [Capybara::Apparition::ObsoleteNode, Capybara::Apparition::MouseEventFailed, Capybara::Apparition::WrongWorld]
end

#logger ⇒ Object

logger should be an object that responds to puts, or nil



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# File 'lib/capybara/apparition/driver.rb', line 82

def logger
  options[:logger] || (options[:debug] && STDERR)
end

#maximize_window(handle) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 184

def maximize_window(handle)
  _within_window(handle) do
    browser.maximize
  end
end

#needs_server? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/apparition/driver.rb', line 40

def needs_server?
  true
end

#no_such_window_error ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 143

def no_such_window_error
  NoSuchWindowError
end

#open_new_window ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 374

def open_new_window
  # needed because Capybara does arity detection on this method
  browser.open_new_window
end

#pause ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 271

def pause
  # STDIN is not necessarily connected to a keyboard. It might even be closed.
  # So we need a method other than keypress to continue.

  # In jRuby - STDIN returns immediately from select
  # see https://github.com/jruby/jruby/issues/1783
  # TODO: This limitation is no longer true can we simplify?
  read, write = IO.pipe
  Thread.new do
    IO.copy_stream(STDIN, write)
    write.close
  end

  STDERR.puts "Apparition execution paused. Press enter (or run 'kill -CONT #{Process.pid}') to continue." # rubocop:disable Style/StderrPuts

  signal = false
  old_trap = trap('SIGCONT') do
    signal = true
    STDERR.puts "\nSignal SIGCONT received" # rubocop:disable Style/StderrPuts
  end
  # wait for data on STDIN or signal SIGCONT received
  keyboard = IO.select([read], nil, nil, 1) until keyboard || signal

  unless signal
    begin
      input = read.read_nonblock(80) # clear out the read buffer
      puts unless input&.end_with?("\n")
    rescue EOFError, IO::WaitReadable # rubocop:disable Lint/HandleExceptions
      # Ignore problems reading from STDIN.
    end
  end
ensure
  trap('SIGCONT', old_trap) # Restore the previous signal handler, if there was one.
  STDERR.puts 'Continuing' # rubocop:disable Style/StderrPuts
end

#proxy_authorize(user = nil, password = nil) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 245

def proxy_authorize(user = nil, password = nil)
  browser.set_proxy_auth(user, password)
end

#quit ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 76

def quit
  @client&.stop
  @launcher&.stop
end

#render_base64(format = :png, options = {}) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 164

def render_base64(format = :png, options = {})
  browser.render_base64(options.merge(format: format))
end

#reset! ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 147

def reset!
  begin
    browser.reset
  rescue TimeoutError
    puts 'Reset timed out - retrying'
    browser.reset
  end
  browser.url_blacklist = options[:url_blacklist] || []
  browser.url_whitelist = options[:url_whitelist] || []
  @started = false
end

#resize(width, height) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 168

def resize(width, height)
  browser.resize(width, height, screen: options[:screen_size])
end

#resize_window(width, height) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 172

def resize_window(width, height)
  warn '[DEPRECATION] Capybara::Apparition::Driver#resize_window ' \
    'is deprecated. Please use Capybara::Window#resize_to instead.'
  resize(width, height)
end

#resize_window_to(handle, width, height) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 178

def resize_window_to(handle, width, height)
  _within_window(handle) do
    resize(width, height)
  end
end

#response_headers ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 223

def response_headers
  browser.response_headers.each_with_object({}) do |(key, value), hsh|
    hsh[key.split('-').map(&:capitalize).join('-')] = value
  end
end

#save_screenshot(path, options = {}) ⇒ Object Also known as: render 



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# File 'lib/capybara/apparition/driver.rb', line 159

def save_screenshot(path, options = {})
  browser.render(path, options)
end

#set_cookie(name, value = nil, options = {}) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 229

def set_cookie(name, value = nil, options = {})
  name, value, options = parse_raw_cookie(name) if value.nil?

  options[:name]  ||= name
  options[:value] ||= value
  options[:domain] ||= begin
    if @started
      URI.parse(browser.current_url).host
    else
      URI.parse(default_cookie_host).host || '127.0.0.1'
    end
  end

  browser.set_cookie(options)
end

#set_proxy(host, port, type = nil, user_ = nil, password_ = nil, user: nil, password: nil, bypass: []) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 202

def set_proxy(host, port, type = nil, user_ = nil, password_ = nil, user: nil, password: nil, bypass: [])
  if user_ || password_
    warn '#set_proxy: Passing `user` and `password` as positional arguments is deprecated. ' \
         'Please pass as keyword arguments.'
    user ||= user_
    password ||= password_
  end

  # TODO: Look at implementing via the CDP Fetch domain when available
  @options[:browser_options] ||= {}
  @options[:browser_options]['proxy-server'] = "#{type + '=' if type}#{host}:#{port}"
  bypass = Array(bypass).join(';')
  @options[:browser_options]['proxy-bypass-list'] = bypass unless bypass.empty?
  browser.set_proxy_auth(user, password) if user || password
end

#source ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 98

def source
  browser.source.to_s
end

#timeout ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 342

def timeout
  client.timeout
end

#timeout=(sec) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 346

def timeout=(sec)
  client.timeout = sec
end

#version ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 366

def version
  chrome_version = browser.command('Browser.getVersion')
  format(VERSION_STRING,
         capybara: Capybara::VERSION,
         apparition: Capybara::Apparition::VERSION,
         chrome: chrome_version['product'])
end

#visit(url) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 91

def visit(url)
  @started = true
  browser.visit(url)
end

#wait? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capybara/apparition/driver.rb', line 307

def wait?
  true
end

#window_size(handle) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 196

def window_size(handle)
  _within_window(handle) do
    evaluate_script('[window.innerWidth, window.innerHeight]')
  end
end

#within_window(selector, &block) ⇒ Object 



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# File 'lib/capybara/apparition/driver.rb', line 354

def within_window(selector, &block)
  warn 'Driver#within_window is deprecated, please switch to using Session#within_window instead.'
  _within_window(selector, &block)
  orig_window = current_window_handle
  switch_to_window(selector)
  begin
    yield
  ensure
    switch_to_window(orig_window)
  end
end