Unit test showing escape_javascript is being called on request.url

lib/templates/javascript_notifier.erb

@@ -2,12 +2,12 @@
     var notifierJsScheme = (("https:" == document.location.protocol) ? "https://" : "http://");
     document.write(unescape("%3Cscript src='" + notifierJsScheme + "#{host}/javascripts/notifier.js' type='text/javascript'%3E%3C/script%3E"));
   }
--%>
+%>
 
 <%= javascript_tag %Q{
     Hoptoad.setKey('#{api_key}');
     Hoptoad.setHost('#{host}');
     Hoptoad.setEnvironment('#{environment}');
     Hoptoad.setErrorDefaults({ url: "#{escape_javascript url}", component: "#{controller_name}", action: "#{action_name}" });
   } 
--%>
+%>

test/javascript_notifier_test.rb

@@ -0,0 +1,52 @@
+require File.dirname(__FILE__) + '/helper'
+require 'hoptoad_notifier/rails/javascript_notifier'
+require 'ostruct'
+
+class JavascriptNotifierTest < Test::Unit::TestCase
+  module FakeRenderer
+    def javascript_tag(text)
+      "<script>#{text}</script>"
+    end
+    def escape_javascript(text)
+      "ESC#{text}ESC"
+    end
+  end
+
+  class FakeController
+    def self.helper_method(*args)
+    end
+
+    include HoptoadNotifier::Rails::JavascriptNotifier
+
+    def action_name
+      "action"
+    end
+
+    def controller_name
+      "controller"
+    end
+
+    def request
+      @request ||= OpenStruct.new
+    end
+
+    def render_to_string(options)
+      context = OpenStruct.new(options[:locals])
+      context.extend(FakeRenderer)
+      context.instance_eval do
+        erb = ERB.new(IO.read(options[:file]))
+        erb.result(binding)
+      end
+    end
+  end
+
+  should "make sure escape_javacript is called on the request.url" do
+    HoptoadNotifier.configure do
+    end
+    controller = FakeController.new
+    controller.request.url = "bad_javascript"
+    assert controller.send(:hoptoad_javascript_notifier)['"ESCbad_javascriptESC"']
+    assert ! controller.send(:hoptoad_javascript_notifier)['"bad_javascript"']
+  end
+end
+