Class: Grell::CapybaraDriver

Inherits:
Object
  • Object
show all
Defined in:
lib/grell/capybara_driver.rb

Overview

This class setups the driver for capybara. Used internally by the CrawlerManager It uses Portelgeist to control PhantomJS

Defined Under Namespace

Modules: FakePoltergeistLogger

Constant Summary collapse

USER_AGENT = 
"Mozilla/5.0 (Grell Crawler)".freeze

Instance Method Summary collapse

Instance Method Details

#setup_capybara ⇒ Object

Returns a poltergeist driver



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# File 'lib/grell/capybara_driver.rb', line 8

def setup_capybara
  @poltergeist_driver = nil

  # Capybara will not re-run the block if the driver name already exists, so the driver name
  # will have a time integer appended to ensure uniqueness.
  driver_name = "poltergeist_crawler_#{Time.now.to_f}".to_sym
  Grell.logger.info "GRELL Registering poltergeist driver with name '#{driver_name}'"

  Capybara.register_driver driver_name do |app|
    @poltergeist_driver = Capybara::Poltergeist::Driver.new(app,
      js_errors: false,
      inspector: false,
      phantomjs_logger: FakePoltergeistLogger,
      phantomjs_options: ['--debug=no', '--load-images=no', '--ignore-ssl-errors=yes', '--ssl-protocol=TLSv1.2'])
  end

  Capybara.default_max_wait_time = 3
  Capybara.run_server = false
  Capybara.default_driver = driver_name
  Capybara.current_session.driver.headers = { # The driver gets initialized when modified here
    "DNT" => 1,
    "User-Agent" => USER_AGENT
  }

  raise 'Poltergeist Driver could not be properly initialized' unless @poltergeist_driver

  @poltergeist_driver
end