implemented start and stop selenium server only if the selenium_server_address is nil

lib/webrat/selenium.rb

@@ -13,21 +13,22 @@ module Webrat
   end
 
   def self.start_selenium_server #:nodoc:
-    remote_control = ::Selenium::RemoteControl::RemoteControl.new("0.0.0.0", 4444, 5)
+    unless Webrat.configuration.selenium_server_address
+      remote_control = ::Selenium::RemoteControl::RemoteControl.new("0.0.0.0", Webrat.configuration.selenium_server_port, 5)
       remote_control.jar_file = File.expand_path(__FILE__ + "../../../../vendor/selenium-server.jar")
       remote_control.start :background => true
-    TCPSocket.wait_for_service :host => "0.0.0.0", :port => 4444
+    end
+    TCPSocket.wait_for_service :host => (Webrat.configuration.selenium_server_address || "0.0.0.0"), :port => Webrat.configuration.selenium_server_port
   end
 
   def self.stop_selenium_server #:nodoc:
-    remote_control = ::Selenium::RemoteControl::RemoteControl.new("0.0.0.0", 4444, 5)
-    remote_control.stop
+    ::Selenium::RemoteControl::RemoteControl.new("0.0.0.0", Webrat.configuration.selenium_server_port, 5).stop unless Webrat.configuration.selenium_server_address
   end
 
   def self.start_app_server #:nodoc:
     pid_file = File.expand_path(RAILS_ROOT + "/tmp/pids/mongrel_selenium.pid")
     system("mongrel_rails start -d --chdir=#{RAILS_ROOT} --port=#{Webrat.configuration.application_port} --environment=#{Webrat.configuration.application_environment} --pid #{pid_file} &")
-    TCPSocket.wait_for_service :host => "0.0.0.0", :port => Webrat.configuration.application_port.to_i
+    TCPSocket.wait_for_service :host => Webrat.configuration.application_address, :port => Webrat.configuration.application_port.to_i
   end
 
   def self.stop_app_server #:nodoc:

spec/private/selenium/selenium_spec.rb

@@ -12,8 +12,41 @@ describe Webrat, "Selenium" do
     pid_file = "file"
     File.should_receive(:expand_path).with(RAILS_ROOT + "/tmp/pids/mongrel_selenium.pid").and_return pid_file
     Webrat.should_receive(:system).with("mongrel_rails start -d --chdir=#{RAILS_ROOT} --port=#{Webrat.configuration.application_port} --environment=#{Webrat.configuration.application_environment} --pid #{pid_file} &")
-    TCPSocket.should_receive(:wait_for_service).with(:host => "0.0.0.0", :port => Webrat.configuration.application_port.to_i)
+    TCPSocket.should_receive(:wait_for_service).with(:host => Webrat.configuration.application_address, :port => Webrat.configuration.application_port.to_i)
     Webrat.start_app_server
   end
 
+  describe "start_selenium_server" do
+    it "should not start the local selenium server if the selenium_server_address is set" do
+      Webrat.configuration.selenium_server_address = 'foo address'
+      ::Selenium::RemoteControl::RemoteControl.should_not_receive(:new)
+      TCPSocket.should_receive(:wait_for_service).with(:host => Webrat.configuration.selenium_server_address, :port => Webrat.configuration.selenium_server_port)
+      Webrat.start_selenium_server
+    end
+
+    it "should start the local selenium server if the selenium_server_address is set" do
+      remote_control = mock "selenium remote control"
+      ::Selenium::RemoteControl::RemoteControl.should_receive(:new).with("0.0.0.0", Webrat.configuration.selenium_server_port, 5).and_return remote_control
+      remote_control.should_receive(:jar_file=).with(/selenium-server\.jar/)
+      remote_control.should_receive(:start).with(:background => true)
+      TCPSocket.should_receive(:wait_for_service).with(:host => "0.0.0.0", :port => Webrat.configuration.selenium_server_port)
+      Webrat.start_selenium_server
+    end
+  end
+
+  describe "stop_selenium_server" do
+
+    it "should not attempt to stop the server if the selenium_server_address is set" do
+      Webrat.configuration.selenium_server_address = 'foo address'
+      ::Selenium::RemoteControl::RemoteControl.should_not_receive(:new)
+      Webrat.stop_selenium_server
+    end
+
+    it "should stop the local server is the selenium_server_address is nil" do
+      remote_control = mock "selenium remote control"
+      ::Selenium::RemoteControl::RemoteControl.should_receive(:new).with("0.0.0.0", Webrat.configuration.selenium_server_port, 5).and_return remote_control
+      remote_control.should_receive(:stop)
+      Webrat.stop_selenium_server
+    end
+  end
 end