method

preload

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preload() public

driver_path can be configured as a proc. The webdrivers gem uses this proc to update web drivers. Running this proc early allows us to only update the webdriver once and avoid race conditions when using parallel tests.

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# File actionpack/lib/action_dispatch/system_testing/browser.rb, line 33
      def preload
        case type
        when :chrome
          if ::Selenium::WebDriver::Service.respond_to? :driver_path=
            ::Selenium::WebDriver::Chrome::Service.driver_path&.call
          else
            # Selenium <= v3.141.0
            ::Selenium::WebDriver::Chrome.driver_path
          end
        when :firefox
          if ::Selenium::WebDriver::Service.respond_to? :driver_path=
            ::Selenium::WebDriver::Firefox::Service.driver_path&.call
          else
            # Selenium <= v3.141.0
            ::Selenium::WebDriver::Firefox.driver_path
          end
        end
      end

preload

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