diff -r 000000000000 -r 6474c204b198 dom/tests/mochitest/notification/MockServices.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/tests/mochitest/notification/MockServices.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,81 @@
+var MockServices = (function () {
+  "use strict";
+
+  const MOCK_ALERTS_CID = SpecialPowers.wrap(SpecialPowers.Components)
+                          .ID("{48068bc2-40ab-4904-8afd-4cdfb3a385f3}");
+  const ALERTS_SERVICE_CONTRACT_ID = "@mozilla.org/alerts-service;1";
+
+  const MOCK_SYSTEM_ALERTS_CID = SpecialPowers.wrap(SpecialPowers.Components)
+                                 .ID("{e86d888c-e41b-4b78-9104-2f2742a532de}");
+  const SYSTEM_ALERTS_SERVICE_CONTRACT_ID = "@mozilla.org/system-alerts-service;1";
+
+  var registrar = SpecialPowers.wrap(SpecialPowers.Components).manager
+                  .QueryInterface(SpecialPowers.Ci.nsIComponentRegistrar);
+
+  var activeNotifications = Object.create(null);
+
+  var mockAlertsService = {
+    showAlertNotification: function(imageUrl, title, text, textClickable,
+                                    cookie, alertListener, name) {
+      var listener = SpecialPowers.wrap(alertListener);
+      activeNotifications[name] = {
+        listener: listener,
+        cookie: cookie
+      };
+
+      // fake async alert show event
+      setTimeout(function () {
+        listener.observe(null, "alertshow", cookie);
+      }, 100);
+
+      // ?? SpecialPowers.wrap(alertListener).observe(null, "alertclickcallback", cookie);
+    },
+
+    showAppNotification: function(imageUrl, title, text, textClickable,
+                                  manifestURL, alertListener, name) {
+      this.showAlertNotification(imageUrl, title, text, textClickable, "", alertListener, name);
+    },
+
+    closeAlert: function(name) {
+      var notification = activeNotifications[name];
+      if (notification) {
+        notification.listener.observe(null, "alertfinished", notification.cookie);
+        delete activeNotifications[name];
+      }
+    },
+
+    QueryInterface: function(aIID) {
+      if (SpecialPowers.wrap(aIID).equals(SpecialPowers.Ci.nsISupports) ||
+          SpecialPowers.wrap(aIID).equals(SpecialPowers.Ci.nsIAlertsService)) {
+        return this;
+      }
+      throw SpecialPowers.Components.results.NS_ERROR_NO_INTERFACE;
+    },
+
+    createInstance: function(aOuter, aIID) {
+      if (aOuter != null) {
+        throw SpecialPowers.Components.results.NS_ERROR_NO_AGGREGATION;
+      }
+      return this.QueryInterface(aIID);
+    }
+  };
+  mockAlertsService = SpecialPowers.wrapCallbackObject(mockAlertsService);
+
+  // MockServices API
+  return {
+    register: function () {
+      registrar.registerFactory(MOCK_ALERTS_CID, "alerts service",
+          ALERTS_SERVICE_CONTRACT_ID,
+          mockAlertsService);
+
+      registrar.registerFactory(MOCK_SYSTEM_ALERTS_CID, "system alerts service",
+          SYSTEM_ALERTS_SERVICE_CONTRACT_ID,
+          mockAlertsService);
+    },
+
+    unregister: function () {
+      registrar.unregisterFactory(MOCK_ALERTS_CID, mockAlertsService);
+      registrar.unregisterFactory(MOCK_SYSTEM_ALERTS_CID, mockAlertsService);
+    },
+  };
+})();