diff --git a/test/javascripts/integration/header_test.js b/test/javascripts/integration/header_test.js
index 161ca7e04bc..fc3b4809f7d 100644
--- a/test/javascripts/integration/header_test.js
+++ b/test/javascripts/integration/header_test.js
@@ -1,4 +1,18 @@
-integration("Header");
+module("Integration: Header", {
+  setup: function() {
+    sinon.stub(I18n, "t", function(scope, options) {
+      if (options) {
+        return [scope, options.username, options.link].join(" ").trim();
+      }
+      return scope;
+    });
+    Discourse.reset();
+  },
+
+  teardown: function() {
+    I18n.t.restore();
+  }
+});
 
 test("header", function() {
   expect(1);
@@ -20,3 +34,120 @@ test("logo", function() {
     ok(exists(".logo-small"), "is properly wired to showExtraInfo property (when showExtraInfo value changes, logo size also changes)");
   });
 });
+
+var notificationsDropdown = function() {
+  return Ember.$("#notifications-dropdown");
+};
+
+var notificationFixture = [
+  {
+    notification_type: 1, //mentioned
+    read: false,
+    created_at: "2013-11-03T12:12:12-04:00",
+    post_number: 1, //post number == 1 means no number included in URL
+    topic_id: 1234,
+    slug: "some-topic-title",
+    data: {
+      topic_title: "Some topic title",
+      display_username: "velesin"
+    }
+  },
+  {
+    notification_type: 2, //replied
+    read: true,
+    created_at: "2013-11-02T10:10:10-04:00",
+    post_number: 2, //post number > 1 means number is included in URL
+    topic_id: 1234,
+    slug: "", //no slug == differently formatted URL (hardcoded 'topic/' segment instead of slug)
+    data: {
+      topic_title: "Some topic title",
+      display_username: "velesin"
+    }
+  },
+  {
+    notification_type: 5, //liked
+    read: true,
+    created_at: "2013-11-01T11:11:11-04:00",
+    post_number: 2,
+    topic_id: 1234,
+    slug: "some-topic-title",
+    data: {
+      topic_title: "", //no title == link URL should be empty
+      display_username: "velesin"
+    }
+  }
+];
+
+test("notifications: flow", function() {
+  expect(8);
+
+  Ember.run(function() {
+    Discourse.URL_FIXTURES["/notifications"] = [notificationFixture[0]];
+    Discourse.User.current().set("unread_notifications", 1);
+  });
+
+  visit("/")
+    .then(function() {
+      equal(notificationsDropdown().find("ul").length, 0, "initially a list of notifications is not loaded");
+      equal(notificationsDropdown().find("div.none").length, 1, "initially special 'no notifications' message is displayed");
+      equal(notificationsDropdown().find("div.none").text(), "notifications.none", "'no notifications' message contains proper internationalized text");
+      equal(Discourse.User.current().get("unread_notifications"), 1, "initially current user's unread notification count is not reset");
+    })
+    .click("#user-notifications")
+    .then(function() {
+      equal(notificationsDropdown().find("li").length, 2, "after user opens notifications dropdown, notifications are loaded");
+      equal(Discourse.User.current().get("unread_notifications"), 0, "after user opens notifications dropdown, current user's notification count is zeroed");
+    })
+    .then(function() {
+      Ember.run(function() {
+        Discourse.URL_FIXTURES["/notifications"] = [notificationFixture[0], notificationFixture[1]];
+        Discourse.User.current().set("unread_notifications", 1);
+      });
+    })
+    .click("#user-notifications")
+    .then(function() {
+      equal(notificationsDropdown().find("li").length, 3, "when user opens notifications dropdown for the second time, notifications are reloaded afresh");
+      equal(Discourse.User.current().get("unread_notifications"), 0, "when user opens notifications dropdown for the second time, current user's notification count is zeroed again");
+    });
+});
+
+test("notifications: when there are no notifications", function() {
+  expect(3);
+
+  Discourse.URL_FIXTURES["/notifications"] = [];
+
+  visit("/")
+  .click("#user-notifications")
+  .then(function() {
+    equal(notificationsDropdown().find("ul").length, 0, "a list of notifications is not displayed");
+    equal(notificationsDropdown().find("div.none").length, 1, "special 'no notifications' message is displayed");
+    equal(notificationsDropdown().find("div.none").text(), "notifications.none", "'no notifications' message contains proper internationalized text");
+  });
+});
+
+test("notifications: content", function() {
+  expect(9);
+
+  Ember.run(function() {
+    Discourse.URL_FIXTURES["/notifications"] = notificationFixture;
+    Discourse.User.current().set("unread_notifications", 2);
+  });
+
+  visit("/")
+    .click("#user-notifications")
+    .then(function() {
+      equal(notificationsDropdown().find("li").length, 4, "dropdown contains list items for all notifications plus for additional 'more' link");
+
+      equal(notificationsDropdown().find("li").eq(0).attr("class"), "", "list item for unread notification has no class");
+      equal(notificationsDropdown().find("li").eq(0).html(), 'notifications.mentioned velesin <a href="/t/some-topic-title/1234">Some topic title</a>', "notification with a slug and for the first post in a topic is rendered correctly");
+
+      equal(notificationsDropdown().find("li").eq(1).attr("class"), "read", "list item for read notification has correct class");
+      equal(notificationsDropdown().find("li").eq(1).html(), 'notifications.replied velesin <a href="/t/topic/1234/2">Some topic title</a>', "notification without a slug and for a non-first post in a topic is rendered correctly");
+
+      equal(notificationsDropdown().find("li").eq(2).html(), 'notifications.liked velesin <a href=""></a>', "notification without topic title is rendered correctly");
+
+      equal(notificationsDropdown().find("li").eq(3).attr("class"), "read last", "list item for 'more' link has correct class");
+      equal(notificationsDropdown().find("li").eq(3).find("a").attr("href"), Discourse.User.current().get("path"), "'more' link points to a correct URL");
+      equal(notificationsDropdown().find("li").eq(3).find("a").text(), "notifications.more" + " …", "'more' link has correct text");
+    });
+});