summaryrefslogtreecommitdiffstats
path: root/toolkit/mozapps/extensions/test/browser/browser_experiments.js
blob: 18a548de5551ba6983b5b1ccb9b3216be8f7296d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

Components.utils.import("resource://gre/modules/Promise.jsm", this);

var {AddonManagerTesting} = Components.utils.import("resource://testing-common/AddonManagerTesting.jsm", {});
var {HttpServer} = Components.utils.import("resource://testing-common/httpd.js", {});

var gManagerWindow;
var gCategoryUtilities;
var gExperiments;
var gHttpServer;

var gSavedManifestURI;
var gIsEnUsLocale;

const SEC_IN_ONE_DAY = 24 * 60 * 60;
const MS_IN_ONE_DAY  = SEC_IN_ONE_DAY * 1000;

function getExperimentAddons() {
  let deferred = Promise.defer();
  AddonManager.getAddonsByTypes(["experiment"], (addons) => {
    deferred.resolve(addons);
  });
  return deferred.promise;
}

function getInstallItem() {
  let doc = gManagerWindow.document;
  let view = get_current_view(gManagerWindow);
  let list = doc.getElementById("addon-list");

  let node = list.firstChild;
  while (node) {
    if (node.getAttribute("status") == "installing") {
      return node;
    }
    node = node.nextSibling;
  }

  return null;
}

function patchPolicy(policy, data) {
  for (let key of Object.keys(data)) {
    Object.defineProperty(policy, key, {
      value: data[key],
      writable: true,
    });
  }
}

function defineNow(policy, time) {
  patchPolicy(policy, { now: () => new Date(time) });
}

function openDetailsView(aId) {
  let item = get_addon_element(gManagerWindow, aId);
  Assert.ok(item, "Should have got add-on element.");
  is_element_visible(item, "Add-on element should be visible.");

  EventUtils.synthesizeMouseAtCenter(item, { clickCount: 1 }, gManagerWindow);
  EventUtils.synthesizeMouseAtCenter(item, { clickCount: 2 }, gManagerWindow);

  let deferred = Promise.defer();
  wait_for_view_load(gManagerWindow, deferred.resolve);
  return deferred.promise;
}

function clickRemoveButton(addonElement) {
  let btn = gManagerWindow.document.getAnonymousElementByAttribute(addonElement, "anonid", "remove-btn");
  if (!btn) {
    return Promise.reject();
  }

  EventUtils.synthesizeMouseAtCenter(btn, { clickCount: 1 }, gManagerWindow);
  let deferred = Promise.defer();
  setTimeout(deferred.resolve, 0);
  return deferred;
}

function clickUndoButton(addonElement) {
  let btn = gManagerWindow.document.getAnonymousElementByAttribute(addonElement, "anonid", "undo-btn");
  if (!btn) {
    return Promise.reject();
  }

  EventUtils.synthesizeMouseAtCenter(btn, { clickCount: 1 }, gManagerWindow);
  let deferred = Promise.defer();
  setTimeout(deferred.resolve, 0);
  return deferred;
}

add_task(function* initializeState() {
  gManagerWindow = yield open_manager();
  gCategoryUtilities = new CategoryUtilities(gManagerWindow);

  registerCleanupFunction(() => {
    Services.prefs.clearUserPref("experiments.enabled");
    Services.prefs.clearUserPref("toolkit.telemetry.enabled");
    if (gHttpServer) {
      gHttpServer.stop(() => {});
      if (gSavedManifestURI !== undefined) {
        Services.prefs.setCharPref("experments.manifest.uri", gSavedManifestURI);
      }
    }
    if (gExperiments) {
      let tmp = {};
      Cu.import("resource:///modules/experiments/Experiments.jsm", tmp);
      gExperiments._policy = new tmp.Experiments.Policy();
    }
  });

  let chrome = Cc["@mozilla.org/chrome/chrome-registry;1"].getService(Ci.nsIXULChromeRegistry);
  gIsEnUsLocale = chrome.getSelectedLocale("global") == "en-US";

  // The Experiments Manager will interfere with us by preventing installs
  // of experiments it doesn't know about. We remove it from the equation
  // because here we are only concerned with core Addon Manager operation,
  // not the superset Experiments Manager has imposed.
  if ("@mozilla.org/browser/experiments-service;1" in Components.classes) {
    let tmp = {};
    Cu.import("resource:///modules/experiments/Experiments.jsm", tmp);
    // There is a race condition between XPCOM service initialization and
    // this test running. We have to initialize the instance first, then
    // uninitialize it to prevent this.
    gExperiments = tmp.Experiments.instance();
    yield gExperiments._mainTask;
    yield gExperiments.uninit();
  }
});

// On an empty profile with no experiments, the experiment category
// should be hidden.
add_task(function* testInitialState() {
  Assert.ok(gCategoryUtilities.get("experiment", false), "Experiment tab is defined.");
  Assert.ok(!gCategoryUtilities.isTypeVisible("experiment"), "Experiment tab hidden by default.");
});

add_task(function* testExperimentInfoNotVisible() {
  yield gCategoryUtilities.openType("extension");
  let el = gManagerWindow.document.getElementsByClassName("experiment-info-container")[0];
  is_element_hidden(el, "Experiment info not visible on other types.");
});

// If we have an active experiment, we should see the experiments tab
// and that tab should have some messages.
add_task(function* testActiveExperiment() {
  let addon = yield install_addon("addons/browser_experiment1.xpi");

  Assert.ok(addon.userDisabled, "Add-on is disabled upon initial install.");
  Assert.equal(addon.isActive, false, "Add-on is not active.");

  Assert.ok(gCategoryUtilities.isTypeVisible("experiment"), "Experiment tab visible.");

  yield gCategoryUtilities.openType("experiment");
  let el = gManagerWindow.document.getElementsByClassName("experiment-info-container")[0];
  is_element_visible(el, "Experiment info is visible on experiment tab.");
});

add_task(function* testExperimentLearnMore() {
  // Actual URL is irrelevant.
  Services.prefs.setCharPref("toolkit.telemetry.infoURL",
                             "http://mochi.test:8888/server.js");

  yield gCategoryUtilities.openType("experiment");
  let btn = gManagerWindow.document.getElementById("experiments-learn-more");

  if (!gUseInContentUI) {
    is_element_hidden(btn, "Learn more button hidden if not using in-content UI.");
    Services.prefs.clearUserPref("toolkit.telemetry.infoURL");

    return;
  }

  is_element_visible(btn, "Learn more button visible.");

  let deferred = Promise.defer();
  window.addEventListener("DOMContentLoaded", function onLoad(event) {
    info("Telemetry privacy policy window opened.");
    window.removeEventListener("DOMContentLoaded", onLoad, false);

    let browser = gBrowser.selectedBrowser;
    let expected = Services.prefs.getCharPref("toolkit.telemetry.infoURL");
    Assert.equal(browser.currentURI.spec, expected, "New tab should have loaded privacy policy.");
    browser.contentWindow.close();

    Services.prefs.clearUserPref("toolkit.telemetry.infoURL");

    deferred.resolve();
  }, false);

  info("Opening telemetry privacy policy.");
  EventUtils.synthesizeMouseAtCenter(btn, {}, gManagerWindow);

  yield deferred.promise;
});

add_task(function* testOpenPreferences() {
  yield gCategoryUtilities.openType("experiment");
  let btn = gManagerWindow.document.getElementById("experiments-change-telemetry");
  if (!gUseInContentUI) {
    is_element_hidden(btn, "Change telemetry button not enabled in out of window UI.");
    info("Skipping preferences open test because not using in-content UI.");
    return;
  }

  is_element_visible(btn, "Change telemetry button visible in in-content UI.");

  let deferred = Promise.defer();
  Services.obs.addObserver(function observer(prefWin, topic, data) {
    Services.obs.removeObserver(observer, "advanced-pane-loaded");
    info("Advanced preference pane opened.");
    executeSoon(function() {
      // We want this test to fail if the preferences pane changes.
      let el = prefWin.document.getElementById("dataChoicesPanel");
      is_element_visible(el);

      prefWin.close();
      info("Closed preferences pane.");

      deferred.resolve();
    });
  }, "advanced-pane-loaded", false);

  info("Loading preferences pane.");
  // We need to focus before synthesizing the mouse event (bug 1240052) as
  // synthesizeMouseAtCenter currently only synthesizes the mouse in the child process.
  // This can cause some subtle differences if the child isn't focused.
  yield SimpleTest.promiseFocus();
  yield BrowserTestUtils.synthesizeMouseAtCenter("#experiments-change-telemetry", {},
                                                 gBrowser.selectedBrowser);

  yield deferred.promise;
});

add_task(function* testButtonPresence() {
  yield gCategoryUtilities.openType("experiment");
  let item = get_addon_element(gManagerWindow, "test-experiment1@experiments.mozilla.org");
  Assert.ok(item, "Got add-on element.");
  item.parentNode.ensureElementIsVisible(item);

  let el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "remove-btn");
  // Corresponds to the uninstall permission.
  is_element_visible(el, "Remove button is visible.");
  // Corresponds to lack of disable permission.
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "disable-btn");
  is_element_hidden(el, "Disable button not visible.");
  // Corresponds to lack of enable permission.
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "enable-btn");
  is_element_hidden(el, "Enable button not visible.");
});

// Remove the add-on we've been testing with.
add_task(function* testCleanup() {
  yield AddonManagerTesting.uninstallAddonByID("test-experiment1@experiments.mozilla.org");
  // Verify some conditions, just in case.
  let addons = yield getExperimentAddons();
  Assert.equal(addons.length, 0, "No experiment add-ons are installed.");
});

// The following tests should ideally live in browser/experiments/. However,
// they rely on some of the helper functions from head.js, which can't easily
// be consumed from other directories. So, they live here.

add_task(function* testActivateExperiment() {
  if (!gExperiments) {
    info("Skipping experiments test because that feature isn't available.");
    return;
  }

  gHttpServer = new HttpServer();
  gHttpServer.start(-1);
  let root = "http://localhost:" + gHttpServer.identity.primaryPort + "/";
  gHttpServer.registerPathHandler("/manifest", (request, response) => {
    response.setStatusLine(null, 200, "OK");
    response.write(JSON.stringify({
      "version": 1,
      "experiments": [
        {
          id: "experiment-1",
          xpiURL: TESTROOT + "addons/browser_experiment1.xpi",
          xpiHash: "IRRELEVANT",
          startTime: Date.now() / 1000 - 3600,
          endTime: Date.now() / 1000 + 3600,
          maxActiveSeconds: 600,
          appName: [Services.appinfo.name],
          channel: [gExperiments._policy.updatechannel()],
        },
      ],
    }));
    response.processAsync();
    response.finish();
  });

  gSavedManifestURI = Services.prefs.getCharPref("experiments.manifest.uri");
  Services.prefs.setCharPref("experiments.manifest.uri", root + "manifest");

  // We need to remove the cache file to help ensure consistent state.
  yield OS.File.remove(gExperiments._cacheFilePath);

  Services.prefs.setBoolPref("toolkit.telemetry.enabled", true);
  Services.prefs.setBoolPref("experiments.enabled", true);

  info("Initializing experiments service.");
  yield gExperiments.init();
  info("Experiments service finished first run.");

  // Check conditions, just to be sure.
  let experiments = yield gExperiments.getExperiments();
  Assert.equal(experiments.length, 0, "No experiments known to the service.");

  // This makes testing easier.
  gExperiments._policy.ignoreHashes = true;

  info("Manually updating experiments manifest.");
  yield gExperiments.updateManifest();
  info("Experiments update complete.");

  let deferred = Promise.defer();
  gHttpServer.stop(() => {
    gHttpServer = null;

    info("getting experiment by ID");
    AddonManager.getAddonByID("test-experiment1@experiments.mozilla.org", (addon) => {
      Assert.ok(addon, "Add-on installed via Experiments manager.");

      deferred.resolve();
    });
  });

  yield deferred.promise;

  Assert.ok(gCategoryUtilities.isTypeVisible, "experiment", "Experiment tab visible.");
  yield gCategoryUtilities.openType("experiment");
  let el = gManagerWindow.document.getElementsByClassName("experiment-info-container")[0];
  is_element_visible(el, "Experiment info is visible on experiment tab.");
});

add_task(function* testDeactivateExperiment() {
  if (!gExperiments) {
    return;
  }

  // Fake an empty manifest to purge data from previous manifest.
  yield gExperiments._updateExperiments({
    "version": 1,
    "experiments": [],
  });

  yield gExperiments.disableExperiment("testing");

  // We should have a record of the previously-active experiment.
  let experiments = yield gExperiments.getExperiments();
  Assert.equal(experiments.length, 1, "1 experiment is known.");
  Assert.equal(experiments[0].active, false, "Experiment is not active.");

  // We should have a previous experiment in the add-ons manager.
  let deferred = Promise.defer();
  AddonManager.getAddonsByTypes(["experiment"], (addons) => {
    deferred.resolve(addons);
  });
  let addons = yield deferred.promise;
  Assert.equal(addons.length, 1, "1 experiment add-on known.");
  Assert.ok(addons[0].appDisabled, "It is a previous experiment.");
  Assert.equal(addons[0].id, "experiment-1", "Add-on ID matches expected.");

  // Verify the UI looks sane.

  Assert.ok(gCategoryUtilities.isTypeVisible("experiment"), "Experiment tab visible.");
  let item = get_addon_element(gManagerWindow, "experiment-1");
  Assert.ok(item, "Got add-on element.");
  Assert.ok(!item.active, "Element should not be active.");
  item.parentNode.ensureElementIsVisible(item);

  // User control buttons should not be present because previous experiments
  // should have no permissions.
  let el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "remove-btn");
  is_element_hidden(el, "Remove button is not visible.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "disable-btn");
  is_element_hidden(el, "Disable button is not visible.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "enable-btn");
  is_element_hidden(el, "Enable button is not visible.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "preferences-btn");
  is_element_hidden(el, "Preferences button is not visible.");
});

add_task(function* testActivateRealExperiments() {
  if (!gExperiments) {
    info("Skipping experiments test because that feature isn't available.");
    return;
  }

  yield gExperiments._updateExperiments({
    "version": 1,
    "experiments": [
      {
        id: "experiment-2",
        xpiURL: TESTROOT + "addons/browser_experiment1.xpi",
        xpiHash: "IRRELEVANT",
        startTime: Date.now() / 1000 - 3600,
        endTime: Date.now() / 1000 + 3600,
        maxActiveSeconds: 600,
        appName: [Services.appinfo.name],
        channel: [gExperiments._policy.updatechannel()],
      },
    ],
  });
  yield gExperiments._run();

  // Check the active experiment.

  let item = get_addon_element(gManagerWindow, "test-experiment1@experiments.mozilla.org");
  Assert.ok(item, "Got add-on element.");
  item.parentNode.ensureElementIsVisible(item);

  let el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Active");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Less than a day remaining");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "error-container");
  is_element_hidden(el, "error-container should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "warning-container");
  is_element_hidden(el, "warning-container should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "pending-container");
  is_element_hidden(el, "pending-container should be hidden.");
  let { version } = yield get_tooltip_info(item);
  Assert.equal(version, undefined, "version should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "disabled-postfix");
  is_element_hidden(el, "disabled-postfix should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "update-postfix");
  is_element_hidden(el, "update-postfix should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "experiment-bullet");
  is_element_visible(el, "experiment-bullet should be visible.");

  // Check the previous experiment.

  item = get_addon_element(gManagerWindow, "experiment-1");
  Assert.ok(item, "Got add-on element.");
  item.parentNode.ensureElementIsVisible(item);

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Complete");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Less than a day ago");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "error-container");
  is_element_hidden(el, "error-container should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "warning-container");
  is_element_hidden(el, "warning-container should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "pending-container");
  is_element_hidden(el, "pending-container should be hidden.");
  ({ version } = yield get_tooltip_info(item));
  Assert.equal(version, undefined, "version should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "disabled-postfix");
  is_element_hidden(el, "disabled-postfix should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "update-postfix");
  is_element_hidden(el, "update-postfix should be hidden.");
  el = item.ownerDocument.getAnonymousElementByAttribute(item, "class", "experiment-bullet");
  is_element_visible(el, "experiment-bullet should be visible.");

  // Install an "older" experiment.

  yield gExperiments.disableExperiment("experiment-2");

  let now = Date.now();
  let fakeNow = now - 5 * MS_IN_ONE_DAY;
  defineNow(gExperiments._policy, fakeNow);

  yield gExperiments._updateExperiments({
    "version": 1,
    "experiments": [
      {
        id: "experiment-3",
        xpiURL: TESTROOT + "addons/browser_experiment1.xpi",
        xpiHash: "IRRELEVANT",
        startTime: fakeNow / 1000 - SEC_IN_ONE_DAY,
        endTime: now / 1000 + 10 * SEC_IN_ONE_DAY,
        maxActiveSeconds: 100 * SEC_IN_ONE_DAY,
        appName: [Services.appinfo.name],
        channel: [gExperiments._policy.updatechannel()],
      },
    ],
  });
  yield gExperiments._run();

  // Check the active experiment.

  item = get_addon_element(gManagerWindow, "test-experiment1@experiments.mozilla.org");
  Assert.ok(item, "Got add-on element.");
  item.parentNode.ensureElementIsVisible(item);

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Active");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "10 days remaining");
  }

  // Disable it and check it's previous experiment entry.

  yield gExperiments.disableExperiment("experiment-3");

  item = get_addon_element(gManagerWindow, "experiment-3");
  Assert.ok(item, "Got add-on element.");
  item.parentNode.ensureElementIsVisible(item);

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Complete");
  }

  el = item.ownerDocument.getAnonymousElementByAttribute(item, "anonid", "experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "5 days ago");
  }
});

add_task(function* testDetailView() {
  if (!gExperiments) {
    info("Skipping experiments test because that feature isn't available.");
    return;
  }

  defineNow(gExperiments._policy, Date.now());
  yield gExperiments._updateExperiments({
    "version": 1,
    "experiments": [
      {
        id: "experiment-4",
        xpiURL: TESTROOT + "addons/browser_experiment1.xpi",
        xpiHash: "IRRELEVANT",
        startTime: Date.now() / 1000 - 3600,
        endTime: Date.now() / 1000 + 3600,
        maxActiveSeconds: 600,
        appName: [Services.appinfo.name],
        channel: [gExperiments._policy.updatechannel()],
      },
    ],
  });
  yield gExperiments._run();

  // Check active experiment.

  yield openDetailsView("test-experiment1@experiments.mozilla.org");

  let el = gManagerWindow.document.getElementById("detail-experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Active");
  }

  el = gManagerWindow.document.getElementById("detail-experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Less than a day remaining");
  }

  el = gManagerWindow.document.getElementById("detail-version");
  is_element_hidden(el, "detail-version should be hidden.");
  el = gManagerWindow.document.getElementById("detail-creator");
  is_element_hidden(el, "detail-creator should be hidden.");
  el = gManagerWindow.document.getElementById("detail-experiment-bullet");
  is_element_visible(el, "experiment-bullet should be visible.");

  // Check previous experiment.

  yield gCategoryUtilities.openType("experiment");
  yield openDetailsView("experiment-3");

  el = gManagerWindow.document.getElementById("detail-experiment-state");
  is_element_visible(el, "Experiment state label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "Complete");
  }

  el = gManagerWindow.document.getElementById("detail-experiment-time");
  is_element_visible(el, "Experiment time label should be visible.");
  if (gIsEnUsLocale) {
    Assert.equal(el.value, "5 days ago");
  }

  el = gManagerWindow.document.getElementById("detail-version");
  is_element_hidden(el, "detail-version should be hidden.");
  el = gManagerWindow.document.getElementById("detail-creator");
  is_element_hidden(el, "detail-creator should be hidden.");
  el = gManagerWindow.document.getElementById("detail-experiment-bullet");
  is_element_visible(el, "experiment-bullet should be visible.");
});

add_task(function* testRemoveAndUndo() {
  if (!gExperiments) {
    info("Skipping experiments test because that feature isn't available.");
    return;
  }

  yield gCategoryUtilities.openType("experiment");

  let addon = get_addon_element(gManagerWindow, "test-experiment1@experiments.mozilla.org");
  Assert.ok(addon, "Got add-on element.");

  yield clickRemoveButton(addon);
  addon.parentNode.ensureElementIsVisible(addon);

  let el = gManagerWindow.document.getAnonymousElementByAttribute(addon, "class", "pending");
  is_element_visible(el, "Uninstall undo information should be visible.");

  yield clickUndoButton(addon);
  addon = get_addon_element(gManagerWindow, "test-experiment1@experiments.mozilla.org");
  Assert.ok(addon, "Got add-on element.");
});

add_task(function* testCleanup() {
  if (gExperiments) {
    Services.prefs.clearUserPref("experiments.enabled");
    Services.prefs.setCharPref("experiments.manifest.uri", gSavedManifestURI);

    // We perform the uninit/init cycle to purge any leftover state.
    yield OS.File.remove(gExperiments._cacheFilePath);
    yield gExperiments.uninit();
    yield gExperiments.init();

    Services.prefs.clearUserPref("toolkit.telemetry.enabled");
  }

  // Check post-conditions.
  let addons = yield getExperimentAddons();
  Assert.equal(addons.length, 0, "No experiment add-ons are installed.");

  yield close_manager(gManagerWindow);
});