diff -r 000000000000 -r 6474c204b198 browser/devtools/app-manager/test/head.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/app-manager/test/head.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,175 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+const {utils: Cu, classes: Cc, interfaces: Ci} = Components;
+
+const {Promise: promise} =
+  Cu.import("resource://gre/modules/devtools/deprecated-sync-thenables.js", {});
+const {devtools} =
+  Cu.import("resource://gre/modules/devtools/Loader.jsm", {});
+const {require} = devtools;
+
+const {AppProjects} = require("devtools/app-manager/app-projects");
+
+const APP_MANAGER_URL = "about:app-manager";
+const TEST_BASE =
+  "chrome://mochitests/content/browser/browser/devtools/app-manager/test/";
+const HOSTED_APP_MANIFEST = TEST_BASE + "hosted_app.manifest";
+
+const PACKAGED_APP_DIR_PATH = getTestFilePath(".");
+
+gDevTools.testing = true;
+SimpleTest.registerCleanupFunction(() => {
+  gDevTools.testing = false;
+});
+
+function addTab(url, targetWindow = window) {
+  info("Adding tab: " + url);
+
+  let deferred = promise.defer();
+  let targetBrowser = targetWindow.gBrowser;
+
+  targetWindow.focus();
+  let tab = targetBrowser.selectedTab = targetBrowser.addTab(url);
+  let linkedBrowser = tab.linkedBrowser;
+
+  linkedBrowser.addEventListener("load", function onLoad() {
+    linkedBrowser.removeEventListener("load", onLoad, true);
+    info("Tab added and finished loading: " + url);
+    deferred.resolve(tab);
+  }, true);
+
+  return deferred.promise;
+}
+
+function removeTab(tab, targetWindow = window) {
+  info("Removing tab.");
+
+  let deferred = promise.defer();
+  let targetBrowser = targetWindow.gBrowser;
+  let tabContainer = targetBrowser.tabContainer;
+
+  tabContainer.addEventListener("TabClose", function onClose(aEvent) {
+    tabContainer.removeEventListener("TabClose", onClose, false);
+    info("Tab removed and finished closing.");
+    deferred.resolve();
+  }, false);
+
+  targetBrowser.removeTab(tab);
+
+  return deferred.promise;
+}
+
+function openAppManager() {
+  return addTab(APP_MANAGER_URL);
+}
+
+function addSampleHostedApp() {
+  info("Adding sample hosted app");
+  let projectsWindow = getProjectsWindow();
+  let projectsDocument = projectsWindow.document;
+  let url = projectsDocument.querySelector("#url-input");
+  url.value = HOSTED_APP_MANIFEST;
+  return projectsWindow.UI.addHosted();
+}
+
+function removeSampleHostedApp() {
+  info("Removing sample hosted app");
+  return AppProjects.remove(HOSTED_APP_MANIFEST);
+}
+
+function addSamplePackagedApp() {
+  info("Adding sample packaged app");
+  let appDir = Cc['@mozilla.org/file/local;1'].createInstance(Ci.nsIFile);
+  appDir.initWithPath(PACKAGED_APP_DIR_PATH);
+  return getProjectsWindow().UI.addPackaged(appDir);
+}
+
+function removeSamplePackagedApp() {
+  info("Removing sample packaged app");
+  return AppProjects.remove(PACKAGED_APP_DIR_PATH);
+}
+
+function getProjectsWindow() {
+  return content.document.querySelector(".projects-panel").contentWindow;
+}
+
+function getManifestWindow() {
+  return getProjectsWindow().document.querySelector(".variables-view")
+         .contentWindow;
+}
+
+function waitForProjectsPanel(deferred = promise.defer()) {
+  info("Wait for projects panel");
+
+  let projectsWindow = getProjectsWindow();
+  let projectsUI = projectsWindow.UI;
+  if (!projectsUI) {
+    info("projectsUI false");
+    projectsWindow.addEventListener("load", function onLoad() {
+      info("got load event");
+      projectsWindow.removeEventListener("load", onLoad);
+      waitForProjectsPanel(deferred);
+    });
+    return deferred.promise;
+  }
+
+  if (projectsUI.isReady) {
+    info("projectsUI ready");
+    deferred.resolve();
+    return deferred.promise;
+  }
+
+  info("projectsUI not ready");
+  projectsUI.once("ready", deferred.resolve);
+  return deferred.promise;
+}
+
+function selectProjectsPanel() {
+  return Task.spawn(function() {
+    let projectsButton = content.document.querySelector(".projects-button");
+    EventUtils.sendMouseEvent({ type: "click" }, projectsButton, content);
+
+    yield waitForProjectsPanel();
+  });
+}
+
+function waitForProjectSelection() {
+  info("Wait for project selection");
+
+  let deferred = promise.defer();
+  getProjectsWindow().UI.once("project-selected", deferred.resolve);
+  return deferred.promise;
+}
+
+function selectFirstProject() {
+  return Task.spawn(function() {
+    let projectsFrame = content.document.querySelector(".projects-panel");
+    let projectsWindow = projectsFrame.contentWindow;
+    let projectsDoc = projectsWindow.document;
+    let projectItem = projectsDoc.querySelector(".project-item");
+    EventUtils.sendMouseEvent({ type: "click" }, projectItem, projectsWindow);
+
+    yield waitForProjectSelection();
+  });
+}
+
+function showSampleProjectDetails() {
+  return Task.spawn(function() {
+    yield selectProjectsPanel();
+    yield selectFirstProject();
+  });
+}
+
+function waitForTick() {
+  let deferred = promise.defer();
+  executeSoon(deferred.resolve);
+  return deferred.promise;
+}
+
+function waitForTime(aDelay) {
+  let deferred = promise.defer();
+  setTimeout(deferred.resolve, aDelay);
+  return deferred.promise;
+}