1 files changed, 45 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/system_testing/server.rb b/actionpack/lib/action_dispatch/system_testing/server.rb
new file mode 100644
index 0000000000..76bada8df1
--- /dev/null
+++ b/actionpack/lib/action_dispatch/system_testing/server.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "rack/handler/puma"
+
+module ActionDispatch
+  module SystemTesting
+    class Server # :nodoc:
+      class << self
+        attr_accessor :silence_puma
+      end
+
+      self.silence_puma = false
+
+      def run
+        register
+        setup
+      end
+
+      private
+        def register
+          Capybara.register_server :rails_puma do |app, port, host|
+            Rack::Handler::Puma.run(
+              app,
+              Port: port,
+              Threads: "0:1",
+              Silent: self.class.silence_puma
+            )
+          end
+        end
+
+        def setup
+          set_server
+          set_port
+        end
+
+        def set_server
+          Capybara.server = :rails_puma
+        end
+
+        def set_port
+          Capybara.always_include_port = true
+        end
+    end
+  end
+end