diff --git a/actionpack/test/javascript/ajax_test.rb b/actionpack/test/javascript/ajax_test.rb
index 5b61524984e6ca968c629a42735da490c17e4f10..65395833983dc4a2596c102154db83e85934176f 100644
--- a/actionpack/test/javascript/ajax_test.rb
+++ b/actionpack/test/javascript/ajax_test.rb
@@ -111,3 +111,54 @@ class LegacyButtonToRemoteTest < ButtonToRemoteTest
end
end
end
+
+class ObserveFieldTest < AjaxTestCase
+ def protect_against_forgery?
+ false
+ end
+
+ def field(options = {})
+ observe_field("title", options)
+ end
+
+ test "basic" do
+ assert_html field,
+ %w(data-observe="true")
+ end
+
+ test "with a :frequency option" do
+ assert_html field(:frequency => 5.minutes),
+ %w(data-observe="true" data-frequency="300")
+ end
+
+ test "using a url string" do
+ assert_html field(:url => "/some/other/url"),
+ %w(data-observe="true" data-url="/some/other/url")
+ end
+
+ test "using a url hash" do
+ assert_html field(:url => {:controller => :blog, :action => :update}),
+ %w(data-observe="true" data-url="/url/hash")
+ end
+
+# def test_observe_field
+# assert_dom_equal %(),
+# observe_field("glass", :frequency => 5.minutes, :url => { :action => "reorder_if_empty" })
+# end
+#
+# def test_observe_field_using_with_option
+# expected = %()
+# assert_dom_equal expected, observe_field("glass", :frequency => 5.minutes, :url => { :action => "check_value" }, :with => 'id')
+# assert_dom_equal expected, observe_field("glass", :frequency => 5.minutes, :url => { :action => "check_value" }, :with => "'id=' + encodeURIComponent(value)")
+# end
+#
+# def test_observe_field_using_json_in_with_option
+# expected = %()
+# assert_dom_equal expected, observe_field("glass", :frequency => 5.minutes, :url => { :action => "check_value" }, :with => "{'id':value}")
+# end
+#
+# def test_observe_field_using_function_for_callback
+# assert_dom_equal %(),
+# observe_field("glass", :frequency => 5.minutes, :function => "alert('Element changed')")
+# end
+end