Test periodically_call_remote with frequency. Closes #7244 [Rich Collins]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6963 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/test/template/prototype_helper_test.rb

@@ -81,6 +81,13 @@ class PrototypeHelperTest < Test::Unit::TestCase
       periodically_call_remote(:update => "schremser_bier", :url => { :action => "mehr_bier" })
   end
   
+  def test_periodically_call_remote_with_frequency
+    assert_dom_equal(
+      "<script type=\"text/javascript\">\n//<![CDATA[\nnew PeriodicalExecuter(function() {new Ajax.Request('http://www.example.com/', {asynchronous:true, evalScripts:true})}, 2)\n//]]>\n</script>",
+      periodically_call_remote(:frequency => 2)
+    )
+  end
+  
   def test_form_remote_tag
     assert_dom_equal %(<form action=\"http://www.example.com/fast\" method=\"post\" onsubmit=\"new Ajax.Updater('glass_of_beer', 'http://www.example.com/fast', {asynchronous:true, evalScripts:true, parameters:Form.serialize(this)}); return false;\">),
       form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast  })