Reload FactoryGirl if it's loaded

Also test that Rails actually receives the reload messages.

README.md

@@ -54,7 +54,7 @@ When using this gem on a non Rails 3.2+ project, you may want to unload these cl
 Pass in custom reloaders as an option:
 
     unload_my_class     = lambda { |changed_paths| Object.send :remove_const, 'MyClass' }
-    reload_factory_girl = lambda { |changed_paths| FactoryGirl.reload }
+    reload_factory_girl = lambda { |changed_paths| FactoryGirl.reload } # Already included by default when FactoryGirl is loaded
     guard 'jruby-rspec', :custom_reloaders => [unload_my_class, reload_factory_girl] do
       ...
     end

lib/guard/jruby-rspec.rb

@@ -84,6 +84,10 @@ def reload_rails(*)
       end
     end
 
+    def reload_factory_girl(*)
+      FactoryGirl.reload if defined? ::FactoryGirl
+    end
+
     def reload_paths(paths)
       paths.reject {|p| p.end_with?(@options[:spec_file_suffix])}.each do |p|
         if File.exists?(p)
@@ -112,7 +116,7 @@ def reload_paths(paths)
 
     def set_up_reloaders(options)
       reloaders = Reloaders.new
-      reloader_methods = [:reload_rails, :reload_paths]
+      reloader_methods = [:reload_rails, :reload_paths, :reload_factory_girl]
       reloader_procs = reloader_methods.map { |name| method(name) }
       reloader_procs += options[:custom_reloaders]
       reloader_procs.each { |reloader| reloaders.register &reloader }

spec/guard/jruby-rspec_spec.rb

@@ -116,6 +116,28 @@
         subject.reload_rails
       }.not_to raise_exception
     end
+
+    it "reloads Rails if it's loaded" do
+      stub_const '::ActionDispatch::Reloader', double
+			ActionDispatch::Reloader.should_receive 'cleanup!'
+			ActionDispatch::Reloader.should_receive 'prepare!'
+			subject.reload_rails
+    end
+  end
+
+  describe '#reload_factory_girl' do
+    it 'continues silently if FactoryGirl is not loaded' do
+      defined?(::FactoryGirl).should be_false
+      expect {
+        subject.reload_factory_girl
+      }.not_to raise_exception
+    end
+
+    it "reloads FactoryGirl if it's loaded" do
+      stub_const 'FactoryGirl', double
+			FactoryGirl.should_receive 'reload'
+			subject.reload_factory_girl
+    end
   end
 
   describe '#reload_paths' do