6 files changed, 79 insertions, 0 deletions
diff --git a/actionpack/lib/system_test_case.rb b/actionpack/lib/system_test_case.rb
index fdaae3ff40..4265798073 100644
--- a/actionpack/lib/system_test_case.rb
+++ b/actionpack/lib/system_test_case.rb
@@ -1,5 +1,8 @@
+require 'system_testing/base'
+
 module Rails
   class SystemTestCase < ActiveSupport::TestCase
     include Rails.application.routes.url_helpers
+    include SystemTesting::Base
   end
 end
diff --git a/actionpack/lib/system_testing/base.rb b/actionpack/lib/system_testing/base.rb
new file mode 100644
index 0000000000..ae4236f97d
--- /dev/null
+++ b/actionpack/lib/system_testing/base.rb
@@ -0,0 +1,9 @@
+require 'system_testing/test_helper'
+require 'system_testing/driver_adapter'
+
+module SystemTesting
+  module Base
+    include TestHelper
+    include DriverAdapter
+  end
+end
diff --git a/actionpack/lib/system_testing/driver_adapter.rb b/actionpack/lib/system_testing/driver_adapter.rb
new file mode 100644
index 0000000000..70c4396323
--- /dev/null
+++ b/actionpack/lib/system_testing/driver_adapter.rb
@@ -0,0 +1,18 @@
+require 'system_testing/driver_adapters'
+
+module SystemTesting
+  module DriverAdapter
+    extend ActiveSupport::Concern
+
+    included do
+      self.driver_adapter = :capybara_rack_test_driver
+    end
+
+    module ClassMethods
+      def driver_adapter=(driver_name_or_class)
+        driver = DriverAdapters.lookup(driver_name_or_class).new
+        driver.call
+      end
+    end
+  end
+end
diff --git a/actionpack/lib/system_testing/driver_adapters.rb b/actionpack/lib/system_testing/driver_adapters.rb
new file mode 100644
index 0000000000..38e2bdddcc
--- /dev/null
+++ b/actionpack/lib/system_testing/driver_adapters.rb
@@ -0,0 +1,13 @@
+module SystemTesting
+  module DriverAdapters
+    extend ActiveSupport::Autoload
+
+    autoload :CapybaraRackTestDriver
+
+    class << self
+      def lookup(name)
+        const_get(name.to_s.camelize)
+      end
+    end
+  end
+end
diff --git a/actionpack/lib/system_testing/driver_adapters/capybara_rack_test_driver.rb b/actionpack/lib/system_testing/driver_adapters/capybara_rack_test_driver.rb
new file mode 100644
index 0000000000..2890686e29
--- /dev/null
+++ b/actionpack/lib/system_testing/driver_adapters/capybara_rack_test_driver.rb
@@ -0,0 +1,24 @@
+module SystemTesting
+  module DriverAdapters
+    class CapybaraRackTestDriver
+      attr_reader :useragent
+
+      def initialize(useragent: 'Capybara')
+        @useragent = useragent
+      end
+
+      def call
+        registration
+      end
+
+      private
+        def registration
+          Capybara.register_driver :rack_test do |app|
+            Capybara::RackTest::Driver.new(app, headers: {
+              'HTTP_USER_AGENT' => @useragent
+            })
+          end
+        end
+    end
+  end
+end
diff --git a/actionpack/lib/system_testing/test_helper.rb b/actionpack/lib/system_testing/test_helper.rb
new file mode 100644
index 0000000000..68b187ed7a
--- /dev/null
+++ b/actionpack/lib/system_testing/test_helper.rb
@@ -0,0 +1,12 @@
+require 'capybara/rails'
+
+module SystemTesting
+  module TestHelper
+    include Capybara::DSL
+
+    def after_teardown
+      Capybara.reset_sessions!
+      super
+    end
+  end
+end