chrome/browser/apps/ephemeral_app_browsertest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/apps/ephemeral_app_browsertest.h"
   6
   7 #include <vector>
   8
   9 #include "apps/app_restore_service.h"
  10 #include "apps/saved_files_service.h"
  11 #include "base/files/scoped_temp_dir.h"
  12 #include "base/scoped_observer.h"
  13 #include "base/stl_util.h"
  14 #include "chrome/browser/apps/app_browsertest_util.h"
  15 #include "chrome/browser/apps/ephemeral_app_service.h"
  16 #include "chrome/browser/extensions/api/file_system/file_system_api.h"
  17 #include "chrome/browser/extensions/app_sync_data.h"
  18 #include "chrome/browser/extensions/extension_service.h"
  19 #include "chrome/browser/extensions/extension_sync_service.h"
  20 #include "chrome/browser/extensions/extension_util.h"
  21 #include "chrome/browser/notifications/desktop_notification_service.h"
  22 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  23 #include "content/public/browser/power_save_blocker.h"
  24 #include "content/public/test/browser_test.h"
  25 #include "content/public/test/test_utils.h"
  26 #include "extensions/browser/api/power/power_api.h"
  27 #include "extensions/browser/app_sorting.h"
  28 #include "extensions/browser/event_router.h"
  29 #include "extensions/browser/extension_prefs.h"
  30 #include "extensions/browser/extension_registry.h"
  31 #include "extensions/browser/extension_registry_observer.h"
  32 #include "extensions/browser/extension_system.h"
  33 #include "extensions/browser/extension_util.h"
  34 #include "extensions/browser/process_manager.h"
  35 #include "extensions/browser/test_extension_registry_observer.h"
  36 #include "extensions/browser/uninstall_reason.h"
  37 #include "extensions/common/api/alarms.h"
  38 #include "extensions/common/extension.h"
  39 #include "extensions/test/extension_test_message_listener.h"
  40 #include "extensions/test/result_catcher.h"
  41 #include "sync/api/fake_sync_change_processor.h"
  42 #include "sync/api/sync_change_processor_wrapper_for_test.h"
  43 #include "sync/api/sync_error_factory_mock.h"
  44 #include "ui/app_list/app_list_switches.h"
  45 #include "ui/message_center/message_center.h"
  46 #include "ui/message_center/notifier_settings.h"
  47
  48 using extensions::AppSyncData;
  49 using extensions::Event;
  50 using extensions::EventRouter;
  51 using extensions::Extension;
  52 using extensions::ExtensionPrefs;
  53 using extensions::ExtensionRegistry;
  54 using extensions::ExtensionRegistryObserver;
  55 using extensions::ExtensionSystem;
  56 using extensions::Manifest;
  57 using extensions::ResultCatcher;
  58
  59 namespace {
  60
  61 namespace alarms = extensions::core_api::alarms;
  62
  63 const char kPowerTestApp[] = "ephemeral_apps/power";
  64
  65 // Enabling sync causes these tests to be flaky on Windows. Disable sync so that
  66 // everything else can be tested. See crbug.com/401028
  67 #if defined(OS_WIN)
  68 const bool kEnableSync = false;
  69 #else
  70 const bool kEnableSync = true;
  71 #endif
  72
  73 typedef std::vector<message_center::Notifier*> NotifierList;
  74
  75 bool IsNotifierInList(const message_center::NotifierId& notifier_id,
  76                       const NotifierList& notifiers) {
  77   for (NotifierList::const_iterator it = notifiers.begin();
  78        it != notifiers.end(); ++it) {
  79     const message_center::Notifier* notifier = *it;
  80     if (notifier->notifier_id == notifier_id)
  81       return true;
  82   }
  83
  84   return false;
  85 }
  86
  87 // Saves some parameters from the extension installed notification in order
  88 // to verify them in tests.
  89 class InstallObserver : public ExtensionRegistryObserver {
  90  public:
  91   struct InstallParameters {
  92     std::string id;
  93     bool is_update;
  94     bool from_ephemeral;
  95
  96     InstallParameters(
  97         const std::string& id,
  98         bool is_update,
  99         bool from_ephemeral)
 100           : id(id), is_update(is_update), from_ephemeral(from_ephemeral) {}
 101   };
 102
 103   explicit InstallObserver(Profile* profile) : registry_observer_(this) {
 104     registry_observer_.Add(ExtensionRegistry::Get(profile));
 105   }
 106
 107   ~InstallObserver() override {}
 108
 109   const InstallParameters& Last() {
 110     CHECK(!install_params_.empty());
 111     return install_params_.back();
 112   }
 113
 114  private:
 115   void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
 116                                   const Extension* extension,
 117                                   bool is_update,
 118                                   bool from_ephemeral,
 119                                   const std::string& old_name) override {
 120     install_params_.push_back(
 121         InstallParameters(extension->id(), is_update, from_ephemeral));
 122   }
 123
 124   std::vector<InstallParameters> install_params_;
 125   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
 126       registry_observer_;
 127 };
 128
 129 // Instead of actually changing the system power settings, tests will just
 130 // issue requests to this mock.
 131 class PowerSettingsMock {
 132  public:
 133   PowerSettingsMock() : keep_awake_count_(0) {}
 134
 135   void request_keep_awake() { ++keep_awake_count_; }
 136
 137   void release_keep_awake() {
 138     --keep_awake_count_;
 139     ASSERT_GE(keep_awake_count_, 0);
 140   }
 141
 142   int keep_awake_count() const { return keep_awake_count_; }
 143
 144  private:
 145   int keep_awake_count_;
 146
 147   DISALLOW_COPY_AND_ASSIGN(PowerSettingsMock);
 148 };
 149
 150 // Stub implementation of content::PowerSaveBlocker that updates the
 151 // PowerSettingsMock.
 152 class PowerSaveBlockerStub : public content::PowerSaveBlocker {
 153  public:
 154   explicit PowerSaveBlockerStub(PowerSettingsMock* power_settings)
 155       : power_settings_(power_settings) {
 156     power_settings_->request_keep_awake();
 157   }
 158
 159   ~PowerSaveBlockerStub() override { power_settings_->release_keep_awake(); }
 160
 161   static scoped_ptr<PowerSaveBlocker> Create(PowerSettingsMock* power_settings,
 162                                              PowerSaveBlockerType type,
 163                                              Reason reason,
 164                                              const std::string& description) {
 165     return scoped_ptr<PowerSaveBlocker>(
 166         new PowerSaveBlockerStub(power_settings));
 167   }
 168
 169  private:
 170   PowerSettingsMock* power_settings_;  // Not owned.
 171
 172   DISALLOW_COPY_AND_ASSIGN(PowerSaveBlockerStub);
 173 };
 174
 175 }  // namespace
 176
 177
 178 // EphemeralAppTestBase:
 179
 180 const char EphemeralAppTestBase::kMessagingReceiverApp[] =
 181     "ephemeral_apps/messaging_receiver";
 182 const char EphemeralAppTestBase::kMessagingReceiverAppV2[] =
 183     "ephemeral_apps/messaging_receiver2";
 184 const char EphemeralAppTestBase::kDispatchEventTestApp[] =
 185     "ephemeral_apps/dispatch_event";
 186 const char EphemeralAppTestBase::kNotificationsTestApp[] =
 187     "ephemeral_apps/notification_settings";
 188 const char EphemeralAppTestBase::kFileSystemTestApp[] =
 189     "ephemeral_apps/filesystem_retain_entries";
 190
 191 EphemeralAppTestBase::EphemeralAppTestBase() {}
 192
 193 EphemeralAppTestBase::~EphemeralAppTestBase() {}
 194
 195 void EphemeralAppTestBase::SetUpCommandLine(base::CommandLine* command_line) {
 196   // Skip PlatformAppBrowserTest, which sets different values for the switches
 197   // below.
 198   ExtensionBrowserTest::SetUpCommandLine(command_line);
 199
 200   // Make event pages get suspended immediately.
 201   extensions::ProcessManager::SetEventPageIdleTimeForTesting(1);
 202   extensions::ProcessManager::SetEventPageSuspendingTimeForTesting(1);
 203
 204   // Enable ephemeral apps, which are gated by the experimental app launcher
 205   // flag.
 206   command_line->AppendSwitch(app_list::switches::kEnableExperimentalAppList);
 207 }
 208
 209 void EphemeralAppTestBase::SetUpOnMainThread() {
 210   PlatformAppBrowserTest::SetUpOnMainThread();
 211
 212   // Disable ephemeral apps immediately after they stop running in tests.
 213   EphemeralAppService::Get(profile())->set_disable_delay_for_test(0);
 214 }
 215
 216 base::FilePath EphemeralAppTestBase::GetTestPath(const char* test_path) {
 217   return test_data_dir_.AppendASCII("platform_apps").AppendASCII(test_path);
 218 }
 219
 220 const Extension* EphemeralAppTestBase::InstallEphemeralApp(
 221     const char* test_path, Manifest::Location manifest_location) {
 222   const Extension* extension = InstallEphemeralAppWithSourceAndFlags(
 223       GetTestPath(test_path), 1, manifest_location, Extension::NO_FLAGS);
 224   EXPECT_TRUE(extension);
 225   if (extension)
 226     EXPECT_TRUE(extensions::util::IsEphemeralApp(extension->id(), profile()));
 227   return extension;
 228 }
 229
 230 const Extension* EphemeralAppTestBase::InstallEphemeralApp(
 231     const char* test_path) {
 232   return InstallEphemeralApp(test_path, Manifest::INTERNAL);
 233 }
 234
 235 const Extension* EphemeralAppTestBase::InstallAndLaunchEphemeralApp(
 236     const char* test_path) {
 237   ExtensionTestMessageListener launched_listener("launched", false);
 238   const Extension* extension = InstallEphemeralApp(test_path);
 239   EXPECT_TRUE(extension);
 240   if (!extension)
 241     return NULL;
 242
 243   LaunchPlatformApp(extension);
 244   bool wait_result = launched_listener.WaitUntilSatisfied();
 245   EXPECT_TRUE(wait_result);
 246   if (!wait_result)
 247     return NULL;
 248
 249   return extension;
 250 }
 251
 252 const Extension* EphemeralAppTestBase::UpdateEphemeralApp(
 253     const std::string& app_id,
 254     const base::FilePath& test_dir,
 255     const base::FilePath& pem_path) {
 256   // Pack a new version of the app.
 257   base::ScopedTempDir temp_dir;
 258   EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
 259
 260   base::FilePath crx_path = temp_dir.path().AppendASCII("temp.crx");
 261   if (!base::DeleteFile(crx_path, false)) {
 262     ADD_FAILURE() << "Failed to delete existing crx: " << crx_path.value();
 263     return NULL;
 264   }
 265
 266   base::FilePath app_v2_path = PackExtensionWithOptions(
 267       test_dir, crx_path, pem_path, base::FilePath());
 268   EXPECT_FALSE(app_v2_path.empty());
 269
 270   // Update the ephemeral app and wait for the update to finish.
 271   extensions::CrxInstaller* crx_installer = NULL;
 272   content::WindowedNotificationObserver windowed_observer(
 273       extensions::NOTIFICATION_CRX_INSTALLER_DONE,
 274       content::Source<extensions::CrxInstaller>(crx_installer));
 275   ExtensionService* service =
 276       ExtensionSystem::Get(profile())->extension_service();
 277   EXPECT_TRUE(service->UpdateExtension(
 278       extensions::CRXFileInfo(app_id, app_v2_path), true, &crx_installer));
 279   windowed_observer.Wait();
 280
 281   return ExtensionRegistry::Get(profile())
 282       ->GetExtensionById(app_id, ExtensionRegistry::EVERYTHING);
 283 }
 284
 285 void EphemeralAppTestBase::PromoteEphemeralApp(
 286     const extensions::Extension* app) {
 287   ExtensionService* extension_service =
 288       ExtensionSystem::Get(profile())->extension_service();
 289   ASSERT_TRUE(extension_service);
 290   extension_service->PromoteEphemeralApp(app, false);
 291 }
 292
 293 void EphemeralAppTestBase::DisableEphemeralApp(
 294     const Extension* app,
 295     Extension::DisableReason disable_reason) {
 296   ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 297
 298   // Disabling due to a permissions increase also involves setting the
 299   // DidExtensionEscalatePermissions flag.
 300   if (disable_reason == Extension::DISABLE_PERMISSIONS_INCREASE)
 301     prefs->SetDidExtensionEscalatePermissions(app, true);
 302
 303   ExtensionSystem::Get(profile())->extension_service()->DisableExtension(
 304       app->id(), disable_reason);
 305
 306   ASSERT_TRUE(ExtensionRegistry::Get(profile())->disabled_extensions().Contains(
 307       app->id()));
 308 }
 309
 310 void EphemeralAppTestBase::CloseApp(const std::string& app_id) {
 311   EXPECT_EQ(1U, GetAppWindowCountForApp(app_id));
 312   extensions::AppWindow* app_window = GetFirstAppWindowForApp(app_id);
 313   ASSERT_TRUE(app_window);
 314   CloseAppWindow(app_window);
 315 }
 316
 317 void EphemeralAppTestBase::CloseAppWaitForUnload(const std::string& app_id) {
 318   // Ephemeral apps are unloaded from extension system after they stop running.
 319   extensions::TestExtensionRegistryObserver observer(
 320       ExtensionRegistry::Get(profile()), app_id);
 321   CloseApp(app_id);
 322   observer.WaitForExtensionUnloaded();
 323 }
 324
 325 void EphemeralAppTestBase::EvictApp(const std::string& app_id) {
 326   // Uninstall the app, which is what happens when ephemeral apps get evicted
 327   // from the cache.
 328   extensions::TestExtensionRegistryObserver observer(
 329       ExtensionRegistry::Get(profile()), app_id);
 330
 331   ExtensionService* service =
 332       ExtensionSystem::Get(profile())->extension_service();
 333   ASSERT_TRUE(service);
 334   service->UninstallExtension(
 335       app_id,
 336       extensions::UNINSTALL_REASON_ORPHANED_EPHEMERAL_EXTENSION,
 337       base::Bind(&base::DoNothing),
 338       NULL);
 339
 340   observer.WaitForExtensionUninstalled();
 341 }
 342
 343 // EphemeralAppBrowserTest:
 344
 345 class EphemeralAppBrowserTest : public EphemeralAppTestBase {
 346  protected:
 347   bool LaunchAppAndRunTest(const Extension* app, const char* test_name) {
 348     // Ephemeral apps are unloaded after they are closed. Ensure they are
 349     // enabled before launch.
 350     ExtensionService* service =
 351         ExtensionSystem::Get(profile())->extension_service();
 352     service->EnableExtension(app->id());
 353
 354     ExtensionTestMessageListener launched_listener("launched", true);
 355     LaunchPlatformApp(app);
 356     if (!launched_listener.WaitUntilSatisfied()) {
 357       message_ = "Failed to receive launched message from test";
 358       return false;
 359     }
 360
 361     ResultCatcher catcher;
 362     launched_listener.Reply(test_name);
 363
 364     bool result = catcher.GetNextResult();
 365     message_ = catcher.message();
 366
 367     CloseAppWaitForUnload(app->id());
 368     return result;
 369   }
 370
 371   // Verify that the event page of the app has not been loaded.
 372   void VerifyAppNotLoaded(const std::string& app_id) {
 373     EXPECT_FALSE(extensions::ProcessManager::Get(profile())
 374                      ->GetBackgroundHostForExtension(app_id));
 375   }
 376
 377   // Verify properties of ephemeral apps.
 378   void VerifyEphemeralApp(const std::string& app_id) {
 379     EXPECT_TRUE(extensions::util::IsEphemeralApp(app_id, profile()));
 380
 381     // Ephemeral apps should not be synced.
 382     scoped_ptr<AppSyncData> sync_change = GetLastSyncChangeForApp(app_id);
 383     EXPECT_FALSE(sync_change.get());
 384
 385     // Ephemeral apps should not be assigned ordinals.
 386     extensions::AppSorting* app_sorting =
 387         ExtensionPrefs::Get(profile())->app_sorting();
 388     EXPECT_FALSE(app_sorting->GetAppLaunchOrdinal(app_id).IsValid());
 389     EXPECT_FALSE(app_sorting->GetPageOrdinal(app_id).IsValid());
 390   }
 391
 392   // Verify that after ephemeral apps stop running, they reside in extension
 393   // system in a disabled and unloaded state.
 394   void VerifyInactiveEphemeralApp(const std::string& app_id) {
 395     EXPECT_TRUE(
 396         ExtensionRegistry::Get(profile())->disabled_extensions().Contains(
 397             app_id));
 398
 399     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 400     EXPECT_TRUE(prefs->IsExtensionDisabled(app_id));
 401     EXPECT_NE(0,
 402               prefs->GetDisableReasons(app_id) &
 403                   Extension::DISABLE_INACTIVE_EPHEMERAL_APP);
 404   }
 405
 406   // Verify the state of an app that has been promoted from an ephemeral to a
 407   // fully installed app.
 408   void VerifyPromotedApp(const std::string& app_id,
 409                          ExtensionRegistry::IncludeFlag expected_set) {
 410     const Extension* app = ExtensionRegistry::Get(profile())
 411                                ->GetExtensionById(app_id, expected_set);
 412     ASSERT_TRUE(app) << "App not found in expected set: " << expected_set;
 413
 414     // The app should not be ephemeral.
 415     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 416     ASSERT_TRUE(prefs);
 417     EXPECT_FALSE(prefs->IsEphemeralApp(app_id));
 418     EXPECT_EQ(0,
 419               prefs->GetDisableReasons(app_id) &
 420                   Extension::DISABLE_INACTIVE_EPHEMERAL_APP);
 421
 422     // Check sort ordinals.
 423     extensions::AppSorting* app_sorting = prefs->app_sorting();
 424     EXPECT_TRUE(app_sorting->GetAppLaunchOrdinal(app_id).IsValid());
 425     EXPECT_TRUE(app_sorting->GetPageOrdinal(app_id).IsValid());
 426   }
 427
 428   // Dispatch a fake alarm event to the app.
 429   void DispatchAlarmEvent(EventRouter* event_router,
 430                           const std::string& app_id) {
 431     alarms::Alarm dummy_alarm;
 432     dummy_alarm.name = "test_alarm";
 433
 434     scoped_ptr<base::ListValue> args(new base::ListValue());
 435     args->Append(dummy_alarm.ToValue().release());
 436     scoped_ptr<Event> event(new Event(alarms::OnAlarm::kEventName,
 437                                       args.Pass()));
 438
 439     event_router->DispatchEventToExtension(app_id, event.Pass());
 440   }
 441
 442   // Simulates the scenario where an app is installed, via the normal
 443   // installation route, on top of an ephemeral app. This can occur due to race
 444   // conditions.
 445   const Extension* ReplaceEphemeralApp(const std::string& app_id,
 446                                        const char* test_path,
 447                                        int expected_enabled_change) {
 448     return UpdateExtensionWaitForIdle(
 449         app_id, GetTestPath(test_path), expected_enabled_change);
 450   }
 451
 452   void PromoteEphemeralAppAndVerify(
 453       const Extension* app,
 454       ExtensionRegistry::IncludeFlag expected_set) {
 455     ASSERT_TRUE(app);
 456
 457     // Ephemeral apps should not be synced.
 458     scoped_ptr<AppSyncData> sync_change = GetLastSyncChangeForApp(app->id());
 459     EXPECT_FALSE(sync_change.get());
 460
 461     // Promote the app to a regular installed app.
 462     InstallObserver installed_observer(profile());
 463     PromoteEphemeralApp(app);
 464     VerifyPromotedApp(app->id(), expected_set);
 465
 466     // Check the notification parameters.
 467     const InstallObserver::InstallParameters& params =
 468         installed_observer.Last();
 469     EXPECT_EQ(app->id(), params.id);
 470     EXPECT_TRUE(params.is_update);
 471     EXPECT_TRUE(params.from_ephemeral);
 472
 473     // The installation should now be synced.
 474     sync_change = GetLastSyncChangeForApp(app->id());
 475     VerifySyncChange(sync_change.get(),
 476                      expected_set == ExtensionRegistry::ENABLED);
 477   }
 478
 479   void PromoteEphemeralAppFromSyncAndVerify(
 480       const Extension* app,
 481       bool enable_from_sync,
 482       ExtensionRegistry::IncludeFlag expected_set) {
 483     ASSERT_TRUE(app);
 484
 485     // Simulate an install from sync.
 486     const syncer::StringOrdinal kAppLaunchOrdinal("x");
 487     const syncer::StringOrdinal kPageOrdinal("y");
 488     AppSyncData app_sync_data(*app,
 489                               enable_from_sync,
 490                               false /* incognito enabled */,
 491                               false /* remote install */,
 492                               extensions::ExtensionSyncData::BOOLEAN_UNSET,
 493                               kAppLaunchOrdinal,
 494                               kPageOrdinal,
 495                               extensions::LAUNCH_TYPE_REGULAR);
 496
 497     std::string app_id = app->id();
 498     app = NULL;
 499
 500     ExtensionSyncService* sync_service = ExtensionSyncService::Get(profile());
 501     sync_service->ProcessAppSyncData(app_sync_data);
 502
 503     // Verify the installation.
 504     VerifyPromotedApp(app_id, expected_set);
 505
 506     // The sort ordinals from sync should not be overridden.
 507     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 508     extensions::AppSorting* app_sorting = prefs->app_sorting();
 509     EXPECT_TRUE(
 510         app_sorting->GetAppLaunchOrdinal(app_id).Equals(kAppLaunchOrdinal));
 511     EXPECT_TRUE(app_sorting->GetPageOrdinal(app_id).Equals(kPageOrdinal));
 512   }
 513
 514   void InitSyncService() {
 515     if (!kEnableSync)
 516       return;
 517
 518     ExtensionSyncService* sync_service = ExtensionSyncService::Get(profile());
 519     sync_service->MergeDataAndStartSyncing(
 520         syncer::APPS,
 521         syncer::SyncDataList(),
 522         scoped_ptr<syncer::SyncChangeProcessor>(
 523             new syncer::SyncChangeProcessorWrapperForTest(
 524                 &mock_sync_processor_)),
 525         scoped_ptr<syncer::SyncErrorFactory>(
 526             new syncer::SyncErrorFactoryMock()));
 527   }
 528
 529   scoped_ptr<AppSyncData> GetLastSyncChangeForApp(const std::string& id) {
 530     scoped_ptr<AppSyncData> sync_data;
 531     for (syncer::SyncChangeList::iterator it =
 532              mock_sync_processor_.changes().begin();
 533          it != mock_sync_processor_.changes().end(); ++it) {
 534       scoped_ptr<AppSyncData> data(AppSyncData::CreateFromSyncChange(*it));
 535       if (data.get() && data->id() == id)
 536         sync_data.reset(data.release());
 537     }
 538
 539     return sync_data.Pass();
 540   }
 541
 542   void VerifySyncChange(const AppSyncData* sync_change, bool expect_enabled) {
 543     if (!kEnableSync)
 544       return;
 545
 546     ASSERT_TRUE(sync_change);
 547     EXPECT_TRUE(sync_change->page_ordinal().IsValid());
 548     EXPECT_TRUE(sync_change->app_launch_ordinal().IsValid());
 549     EXPECT_FALSE(sync_change->uninstalled());
 550     EXPECT_EQ(expect_enabled, sync_change->extension_sync_data().enabled());
 551   }
 552
 553   void TestInstallEvent(bool close_app) {
 554     ExtensionTestMessageListener first_msg_listener(false);
 555     const Extension* app = InstallAndLaunchEphemeralApp(kDispatchEventTestApp);
 556     ASSERT_TRUE(app);
 557
 558     // When an ephemeral app is first added, it should not receive the
 559     // onInstalled event, hence the first message received from the test should
 560     // be "launched" and not "installed".
 561     ASSERT_TRUE(first_msg_listener.WaitUntilSatisfied());
 562     EXPECT_EQ(std::string("launched"), first_msg_listener.message());
 563
 564     if (close_app)
 565       CloseAppWaitForUnload(app->id());
 566
 567     // When installed permanently, the app should receive the onInstalled event.
 568     ExtensionTestMessageListener install_listener("installed", false);
 569     PromoteEphemeralApp(app);
 570     ASSERT_TRUE(install_listener.WaitUntilSatisfied());
 571   }
 572
 573  private:
 574   syncer::FakeSyncChangeProcessor mock_sync_processor_;
 575 };
 576
 577 // Verify that ephemeral apps can be launched and receive system events when
 578 // they are running. Once they are inactive they should not receive system
 579 // events.
 580 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, EventDispatchWhenLaunched) {
 581   const Extension* extension =
 582       InstallAndLaunchEphemeralApp(kDispatchEventTestApp);
 583   ASSERT_TRUE(extension);
 584
 585   // Send a fake alarm event to the app and verify that a response is
 586   // received.
 587   EventRouter* event_router = EventRouter::Get(profile());
 588   ASSERT_TRUE(event_router);
 589
 590   ExtensionTestMessageListener alarm_received_listener("alarm_received", false);
 591   DispatchAlarmEvent(event_router, extension->id());
 592   ASSERT_TRUE(alarm_received_listener.WaitUntilSatisfied());
 593
 594   CloseAppWaitForUnload(extension->id());
 595
 596   // Dispatch the alarm event again and verify that the event page did not get
 597   // loaded for the app.
 598   DispatchAlarmEvent(event_router, extension->id());
 599   VerifyAppNotLoaded(extension->id());
 600 }
 601
 602 // Verify that ephemeral apps will receive messages while they are running.
 603 // Flaky test: crbug.com/394426
 604 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 605                        DISABLED_ReceiveMessagesWhenLaunched) {
 606   const Extension* receiver =
 607       InstallAndLaunchEphemeralApp(kMessagingReceiverApp);
 608   ASSERT_TRUE(receiver);
 609
 610   // Verify that messages are received while the app is running.
 611   ResultCatcher result_catcher;
 612   LoadAndLaunchPlatformApp("ephemeral_apps/messaging_sender_success",
 613                            "Launched");
 614   EXPECT_TRUE(result_catcher.GetNextResult());
 615
 616   CloseAppWaitForUnload(receiver->id());
 617
 618   // Verify that messages are not received while the app is inactive.
 619   LoadAndLaunchPlatformApp("ephemeral_apps/messaging_sender_fail", "Launched");
 620   EXPECT_TRUE(result_catcher.GetNextResult());
 621 }
 622
 623 // Verifies that the chrome.runtime.onInstalled() event is received by a running
 624 // ephemeral app only when it is promoted.
 625 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 626                        InstallEventReceivedWhileRunning) {
 627   TestInstallEvent(false /* close app */);
 628 }
 629
 630 // Verifies that when an idle ephemeral app is promoted, it will be loaded to
 631 // receive the chrome.runtime.onInstalled() event.
 632 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, InstallEventReceivedWhileIdle) {
 633   TestInstallEvent(true /* close app */);
 634 }
 635
 636 // Verifies that the chrome.runtime.onRestarted() event is received by an
 637 // ephemeral app.
 638 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, RestartEventReceived) {
 639   const Extension* app = InstallAndLaunchEphemeralApp(kDispatchEventTestApp);
 640   ASSERT_TRUE(app);
 641   CloseAppWaitForUnload(app->id());
 642
 643   // Fake ephemeral app running before restart.
 644   ExtensionSystem::Get(profile())->extension_service()->EnableExtension(
 645       app->id());
 646   ASSERT_TRUE(ExtensionRegistry::Get(profile())->enabled_extensions().Contains(
 647       app->id()));
 648   ExtensionPrefs::Get(profile())->SetExtensionRunning(app->id(), true);
 649
 650   ExtensionTestMessageListener restart_listener("restarted", false);
 651   apps::AppRestoreService::Get(profile())->HandleStartup(true);
 652   EXPECT_TRUE(restart_listener.WaitUntilSatisfied());
 653 }
 654
 655 // Verify that an updated ephemeral app will still have its ephemeral flag
 656 // enabled.
 657 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, UpdateEphemeralApp) {
 658   InitSyncService();
 659
 660   const Extension* app_v1 = InstallAndLaunchEphemeralApp(kMessagingReceiverApp);
 661   ASSERT_TRUE(app_v1);
 662   VerifyEphemeralApp(app_v1->id());
 663   CloseAppWaitForUnload(app_v1->id());
 664   VerifyInactiveEphemeralApp(app_v1->id());
 665
 666   std::string app_id = app_v1->id();
 667   base::Version app_original_version = *app_v1->version();
 668
 669   // Update to version 2 of the app.
 670   app_v1 = NULL;  // The extension object will be destroyed during update.
 671   InstallObserver installed_observer(profile());
 672   const Extension* app_v2 =
 673       UpdateEphemeralApp(app_id,
 674                          GetTestPath(kMessagingReceiverAppV2),
 675                          GetTestPath(kMessagingReceiverApp)
 676                              .ReplaceExtension(FILE_PATH_LITERAL(".pem")));
 677
 678   // Check the notification parameters.
 679   const InstallObserver::InstallParameters& params = installed_observer.Last();
 680   EXPECT_EQ(app_id, params.id);
 681   EXPECT_TRUE(params.is_update);
 682   EXPECT_FALSE(params.from_ephemeral);
 683
 684   // The ephemeral flag should still be set.
 685   ASSERT_TRUE(app_v2);
 686   EXPECT_GT(app_v2->version()->CompareTo(app_original_version), 0);
 687   VerifyEphemeralApp(app_id);
 688
 689   // The app should still be disabled in extension system.
 690   VerifyInactiveEphemeralApp(app_id);
 691 }
 692
 693 // Verify that if notifications have been disabled for an ephemeral app, it will
 694 // remain disabled even after being evicted from the cache.
 695 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, StickyNotificationSettings) {
 696   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 697   ASSERT_TRUE(app);
 698
 699   // Disable notifications for this app.
 700   DesktopNotificationService* notification_service =
 701       DesktopNotificationServiceFactory::GetForProfile(profile());
 702   ASSERT_TRUE(notification_service);
 703
 704   message_center::NotifierId notifier_id(
 705       message_center::NotifierId::APPLICATION, app->id());
 706   EXPECT_TRUE(notification_service->IsNotifierEnabled(notifier_id));
 707   notification_service->SetNotifierEnabled(notifier_id, false);
 708   EXPECT_FALSE(notification_service->IsNotifierEnabled(notifier_id));
 709
 710   // Remove the app.
 711   CloseAppWaitForUnload(app->id());
 712   EvictApp(app->id());
 713
 714   // Reinstall the ephemeral app and verify that notifications remain disabled.
 715   app = InstallEphemeralApp(kNotificationsTestApp);
 716   ASSERT_TRUE(app);
 717   message_center::NotifierId reinstalled_notifier_id(
 718       message_center::NotifierId::APPLICATION, app->id());
 719   EXPECT_FALSE(notification_service->IsNotifierEnabled(
 720       reinstalled_notifier_id));
 721 }
 722
 723 // Verify that only running ephemeral apps will appear in the Notification
 724 // Settings UI. Inactive, cached ephemeral apps should not appear.
 725 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 726                        IncludeRunningEphemeralAppsInNotifiers) {
 727   message_center::NotifierSettingsProvider* settings_provider =
 728       message_center::MessageCenter::Get()->GetNotifierSettingsProvider();
 729   DCHECK(settings_provider);
 730
 731   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 732   ASSERT_TRUE(app);
 733   message_center::NotifierId notifier_id(
 734       message_center::NotifierId::APPLICATION, app->id());
 735
 736   // Since the ephemeral app is running, it should be included in the list
 737   // of notifiers to show in the UI.
 738   NotifierList notifiers;
 739   STLElementDeleter<NotifierList> notifier_deleter(&notifiers);
 740
 741   settings_provider->GetNotifierList(&notifiers);
 742   EXPECT_TRUE(IsNotifierInList(notifier_id, notifiers));
 743   STLDeleteElements(&notifiers);
 744
 745   // Close the ephemeral app.
 746   CloseAppWaitForUnload(app->id());
 747
 748   // Inactive ephemeral apps should not be included in the list of notifiers to
 749   // show in the UI.
 750   settings_provider->GetNotifierList(&notifiers);
 751   EXPECT_FALSE(IsNotifierInList(notifier_id, notifiers));
 752 }
 753
 754 // Verify that ephemeral apps will have no ability to retain file entries after
 755 // close. Normal retainEntry behavior for installed apps is tested in
 756 // FileSystemApiTest.
 757 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 758                        DisableRetainFileSystemEntries) {
 759   // Create a dummy file that we can just return to the test.
 760   base::ScopedTempDir temp_dir;
 761   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
 762   base::FilePath temp_file;
 763   ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir.path(), &temp_file));
 764
 765   using extensions::FileSystemChooseEntryFunction;
 766   FileSystemChooseEntryFunction::SkipPickerAndAlwaysSelectPathForTest(
 767       &temp_file);
 768   // The temporary file needs to be registered for the tests to pass on
 769   // ChromeOS.
 770   FileSystemChooseEntryFunction::RegisterTempExternalFileSystemForTest(
 771       "temp", temp_dir.path());
 772
 773   // The first test opens the file and writes the file handle to local storage.
 774   const Extension* app = InstallEphemeralApp(kFileSystemTestApp,
 775                                              Manifest::UNPACKED);
 776   ASSERT_TRUE(LaunchAppAndRunTest(app, "OpenAndRetainFile")) << message_;
 777
 778   // Verify that after the app has been closed, all retained entries are
 779   // flushed.
 780   std::vector<apps::SavedFileEntry> file_entries =
 781       apps::SavedFilesService::Get(profile())
 782           ->GetAllFileEntries(app->id());
 783   EXPECT_TRUE(file_entries.empty());
 784
 785   // The second test verifies that the file cannot be reopened.
 786   ASSERT_TRUE(LaunchAppAndRunTest(app, "RestoreRetainedFile")) << message_;
 787 }
 788
 789 // Checks the process of launching an ephemeral app and then promoting the app
 790 // while it is running.
 791 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, PromoteAppWhileRunning) {
 792   InitSyncService();
 793
 794   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 795   ASSERT_TRUE(app);
 796
 797   PromoteEphemeralAppAndVerify(app, ExtensionRegistry::ENABLED);
 798
 799   // Ensure that the app is not unloaded and disabled after it is closed.
 800   CloseApp(app->id());
 801   VerifyPromotedApp(app->id(), ExtensionRegistry::ENABLED);
 802 }
 803
 804 // Checks the process of launching an ephemeral app and then promoting the app
 805 // while it is idle.
 806 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, PromoteAppWhileIdle) {
 807   InitSyncService();
 808
 809   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 810   ASSERT_TRUE(app);
 811   CloseAppWaitForUnload(app->id());
 812   VerifyInactiveEphemeralApp(app->id());
 813
 814   PromoteEphemeralAppAndVerify(app, ExtensionRegistry::ENABLED);
 815 }
 816
 817 // Verifies that promoting an ephemeral app that was disabled due to a
 818 // permissions increase will enable it.
 819 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, PromoteAppAndGrantPermissions) {
 820   InitSyncService();
 821
 822   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 823   ASSERT_TRUE(app);
 824   CloseAppWaitForUnload(app->id());
 825   DisableEphemeralApp(app, Extension::DISABLE_PERMISSIONS_INCREASE);
 826
 827   PromoteEphemeralAppAndVerify(app, ExtensionRegistry::ENABLED);
 828   EXPECT_FALSE(ExtensionPrefs::Get(profile())
 829                    ->DidExtensionEscalatePermissions(app->id()));
 830 }
 831
 832 // Verifies that promoting an ephemeral app that has unsupported requirements
 833 // will not enable it.
 834 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 835                        PromoteUnsupportedEphemeralApp) {
 836   InitSyncService();
 837
 838   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 839   ASSERT_TRUE(app);
 840   CloseAppWaitForUnload(app->id());
 841   DisableEphemeralApp(app, Extension::DISABLE_UNSUPPORTED_REQUIREMENT);
 842
 843   // When promoted to a regular installed app, it should remain disabled.
 844   PromoteEphemeralAppAndVerify(app, ExtensionRegistry::DISABLED);
 845 }
 846
 847 // Verifies that promoting an ephemeral app that is blacklisted will not enable
 848 // it.
 849 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 850                        PromoteBlacklistedEphemeralApp) {
 851   InitSyncService();
 852
 853   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 854   ASSERT_TRUE(app);
 855   CloseAppWaitForUnload(app->id());
 856
 857   ExtensionService* service =
 858       ExtensionSystem::Get(profile())->extension_service();
 859   service->BlacklistExtensionForTest(app->id());
 860   ASSERT_TRUE(
 861       ExtensionRegistry::Get(profile())->blacklisted_extensions().Contains(
 862           app->id()));
 863
 864   // When promoted to a regular installed app, it should remain blacklisted.
 865   PromoteEphemeralAppAndVerify(app, ExtensionRegistry::BLACKLISTED);
 866
 867   // The app should be synced, but disabled.
 868   scoped_ptr<AppSyncData> sync_change = GetLastSyncChangeForApp(app->id());
 869   VerifySyncChange(sync_change.get(), false);
 870 }
 871
 872 // Checks the process of promoting an ephemeral app from sync while the app is
 873 // running.
 874 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 875                        PromoteAppFromSyncWhileRunning) {
 876   InitSyncService();
 877
 878   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 879   ASSERT_TRUE(app);
 880
 881   PromoteEphemeralAppFromSyncAndVerify(app, true, ExtensionRegistry::ENABLED);
 882
 883   // Ensure that the app is not unloaded and disabled after it is closed.
 884   CloseApp(app->id());
 885   VerifyPromotedApp(app->id(), ExtensionRegistry::ENABLED);
 886 }
 887
 888 // Checks the process of promoting an ephemeral app from sync while the app is
 889 // idle.
 890 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, PromoteAppFromSyncWhileIdle) {
 891   InitSyncService();
 892
 893   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 894   ASSERT_TRUE(app);
 895   CloseAppWaitForUnload(app->id());
 896   VerifyInactiveEphemeralApp(app->id());
 897
 898   PromoteEphemeralAppFromSyncAndVerify(app, true, ExtensionRegistry::ENABLED);
 899 }
 900
 901 // Checks the process of promoting an ephemeral app from sync, where the app
 902 // from sync is disabled, and the ephemeral app is running.
 903 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 904                        PromoteDisabledAppFromSyncWhileRunning) {
 905   InitSyncService();
 906
 907   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 908   ASSERT_TRUE(app);
 909
 910   PromoteEphemeralAppFromSyncAndVerify(app, false, ExtensionRegistry::DISABLED);
 911 }
 912
 913 // Checks the process of promoting an ephemeral app from sync, where the app
 914 // from sync is disabled, and the ephemeral app is idle.
 915 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 916                        PromoteDisabledAppFromSyncWhileIdle) {
 917   InitSyncService();
 918
 919   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 920   ASSERT_TRUE(app);
 921   CloseAppWaitForUnload(app->id());
 922   VerifyInactiveEphemeralApp(app->id());
 923
 924   PromoteEphemeralAppFromSyncAndVerify(app, false, ExtensionRegistry::DISABLED);
 925 }
 926
 927 // In most cases, ExtensionService::PromoteEphemeralApp() will be called to
 928 // permanently install an ephemeral app. However, there may be cases where an
 929 // install occurs through the usual route of installing from the Web Store (due
 930 // to race conditions). Ensure that the app is still installed correctly.
 931 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 932                        ReplaceEphemeralAppWithInstalledApp) {
 933   InitSyncService();
 934
 935   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 936   ASSERT_TRUE(app);
 937   CloseAppWaitForUnload(app->id());
 938   std::string app_id = app->id();
 939   app = NULL;
 940
 941   InstallObserver installed_observer(profile());
 942   ReplaceEphemeralApp(app_id, kNotificationsTestApp, 1);
 943   VerifyPromotedApp(app_id, ExtensionRegistry::ENABLED);
 944
 945   // Check the notification parameters.
 946   const InstallObserver::InstallParameters& params = installed_observer.Last();
 947   EXPECT_EQ(app_id, params.id);
 948   EXPECT_TRUE(params.is_update);
 949   EXPECT_TRUE(params.from_ephemeral);
 950 }
 951
 952 // This is similar to ReplaceEphemeralAppWithInstalledApp, but installs will
 953 // be delayed until the app is idle.
 954 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 955                        ReplaceEphemeralAppWithDelayedInstalledApp) {
 956   InitSyncService();
 957   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 958   ASSERT_TRUE(app);
 959   std::string app_id = app->id();
 960   app = NULL;
 961
 962   // Initiate install.
 963   ReplaceEphemeralApp(app_id, kNotificationsTestApp, 0);
 964
 965   // The delayed installation will occur when the ephemeral app is closed.
 966   extensions::TestExtensionRegistryObserver observer(
 967       ExtensionRegistry::Get(profile()), app_id);
 968   InstallObserver installed_observer(profile());
 969   CloseAppWaitForUnload(app_id);
 970   observer.WaitForExtensionWillBeInstalled();
 971   VerifyPromotedApp(app_id, ExtensionRegistry::ENABLED);
 972
 973   // Check the notification parameters.
 974   const InstallObserver::InstallParameters& params = installed_observer.Last();
 975   EXPECT_EQ(app_id, params.id);
 976   EXPECT_TRUE(params.is_update);
 977   EXPECT_TRUE(params.from_ephemeral);
 978 }
 979
 980 // Verifies that an installed app cannot turn into an ephemeral app as result of
 981 // race conditions, i.e. an ephemeral app can be promoted to an installed app,
 982 // but not vice versa.
 983 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 984                        ReplaceInstalledAppWithEphemeralApp) {
 985   const Extension* app = InstallPlatformApp(kNotificationsTestApp);
 986   ASSERT_TRUE(app);
 987   std::string app_id = app->id();
 988   app = NULL;
 989
 990   EXPECT_FALSE(extensions::util::IsEphemeralApp(app_id, profile()));
 991   app =
 992       InstallEphemeralAppWithSourceAndFlags(GetTestPath(kNotificationsTestApp),
 993                                             0,
 994                                             Manifest::INTERNAL,
 995                                             Extension::NO_FLAGS);
 996   EXPECT_FALSE(extensions::util::IsEphemeralApp(app_id, profile()));
 997 }
 998
 999 // Ephemerality was previously encoded by the Extension::IS_EPHEMERAL creation
1000 // flag. This was changed to an "ephemeral_app" property. Check that the prefs
1001 // are handled correctly.
1002 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
1003                        ExtensionPrefBackcompatibility) {
1004   // Ensure that apps with the old prefs are recognized as ephemeral.
1005   const Extension* app =
1006       InstallExtensionWithSourceAndFlags(GetTestPath(kNotificationsTestApp),
1007                                          1,
1008                                          Manifest::INTERNAL,
1009                                          Extension::IS_EPHEMERAL);
1010   ASSERT_TRUE(app);
1011   EXPECT_TRUE(extensions::util::IsEphemeralApp(app->id(), profile()));
1012
1013   // Ensure that when the app is promoted to an installed app, the bit in the
1014   // creation flags is cleared.
1015   PromoteEphemeralApp(app);
1016   EXPECT_FALSE(extensions::util::IsEphemeralApp(app->id(), profile()));
1017
1018   int creation_flags =
1019       ExtensionPrefs::Get(profile())->GetCreationFlags(app->id());
1020   EXPECT_EQ(0, creation_flags & Extension::IS_EPHEMERAL);
1021 }
1022
1023 // Verifies that the power keep awake will be automatically released for
1024 // ephemeral apps that stop running. Well behaved apps should actually call
1025 // chrome.power.releaseKeepAwake() themselves.
1026 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, ReleasePowerKeepAwake) {
1027   PowerSettingsMock power_settings;
1028   extensions::PowerAPI::Get(profile())->SetCreateBlockerFunctionForTesting(
1029       base::Bind(&PowerSaveBlockerStub::Create, &power_settings));
1030
1031   const Extension* app = InstallAndLaunchEphemeralApp(kPowerTestApp);
1032   ASSERT_TRUE(app);
1033   EXPECT_EQ(1, power_settings.keep_awake_count());
1034
1035   CloseAppWaitForUnload(app->id());
1036
1037   EXPECT_EQ(0, power_settings.keep_awake_count());
1038 }