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/extension_service.h"
  18 #include "chrome/browser/extensions/extension_sync_data.h"
  19 #include "chrome/browser/extensions/extension_sync_service.h"
  20 #include "chrome/browser/extensions/extension_util.h"
  21 #include "chrome/browser/notifications/notifier_state_tracker.h"
  22 #include "chrome/browser/notifications/notifier_state_tracker_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::Event;
  49 using extensions::EventRouter;
  50 using extensions::Extension;
  51 using extensions::ExtensionPrefs;
  52 using extensions::ExtensionRegistry;
  53 using extensions::ExtensionRegistryObserver;
  54 using extensions::ExtensionSyncData;
  55 using extensions::ExtensionSystem;
  56 using extensions::Manifest;
  57 using extensions::ResultCatcher;
  58
  59 namespace {
  60
  61 namespace alarms = extensions::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   ExtensionSystem::Get(profile())->extension_service()->DisableExtension(
 297       app->id(), disable_reason);
 298
 299   ASSERT_TRUE(ExtensionRegistry::Get(profile())->disabled_extensions().Contains(
 300       app->id()));
 301 }
 302
 303 void EphemeralAppTestBase::CloseApp(const std::string& app_id) {
 304   EXPECT_EQ(1U, GetAppWindowCountForApp(app_id));
 305   extensions::AppWindow* app_window = GetFirstAppWindowForApp(app_id);
 306   ASSERT_TRUE(app_window);
 307   CloseAppWindow(app_window);
 308 }
 309
 310 void EphemeralAppTestBase::CloseAppWaitForUnload(const std::string& app_id) {
 311   // Ephemeral apps are unloaded from extension system after they stop running.
 312   extensions::TestExtensionRegistryObserver observer(
 313       ExtensionRegistry::Get(profile()), app_id);
 314   CloseApp(app_id);
 315   observer.WaitForExtensionUnloaded();
 316 }
 317
 318 void EphemeralAppTestBase::EvictApp(const std::string& app_id) {
 319   // Uninstall the app, which is what happens when ephemeral apps get evicted
 320   // from the cache.
 321   extensions::TestExtensionRegistryObserver observer(
 322       ExtensionRegistry::Get(profile()), app_id);
 323
 324   ExtensionService* service =
 325       ExtensionSystem::Get(profile())->extension_service();
 326   ASSERT_TRUE(service);
 327   service->UninstallExtension(
 328       app_id,
 329       extensions::UNINSTALL_REASON_ORPHANED_EPHEMERAL_EXTENSION,
 330       base::Bind(&base::DoNothing),
 331       NULL);
 332
 333   observer.WaitForExtensionUninstalled();
 334 }
 335
 336 // EphemeralAppBrowserTest:
 337
 338 class EphemeralAppBrowserTest : public EphemeralAppTestBase {
 339  protected:
 340   bool LaunchAppAndRunTest(const Extension* app, const char* test_name) {
 341     // Ephemeral apps are unloaded after they are closed. Ensure they are
 342     // enabled before launch.
 343     ExtensionService* service =
 344         ExtensionSystem::Get(profile())->extension_service();
 345     service->EnableExtension(app->id());
 346
 347     ExtensionTestMessageListener launched_listener("launched", true);
 348     LaunchPlatformApp(app);
 349     if (!launched_listener.WaitUntilSatisfied()) {
 350       message_ = "Failed to receive launched message from test";
 351       return false;
 352     }
 353
 354     ResultCatcher catcher;
 355     launched_listener.Reply(test_name);
 356
 357     bool result = catcher.GetNextResult();
 358     message_ = catcher.message();
 359
 360     CloseAppWaitForUnload(app->id());
 361     return result;
 362   }
 363
 364   // Verify that the event page of the app has not been loaded.
 365   void VerifyAppNotLoaded(const std::string& app_id) {
 366     EXPECT_FALSE(extensions::ProcessManager::Get(profile())
 367                      ->GetBackgroundHostForExtension(app_id));
 368   }
 369
 370   // Verify properties of ephemeral apps.
 371   void VerifyEphemeralApp(const std::string& app_id) {
 372     EXPECT_TRUE(extensions::util::IsEphemeralApp(app_id, profile()));
 373
 374     // Ephemeral apps should not be synced.
 375     scoped_ptr<ExtensionSyncData> sync_change = GetLastSyncChangeForApp(app_id);
 376     EXPECT_FALSE(sync_change.get());
 377
 378     // Ephemeral apps should not be assigned ordinals.
 379     extensions::AppSorting* app_sorting =
 380         ExtensionPrefs::Get(profile())->app_sorting();
 381     EXPECT_FALSE(app_sorting->GetAppLaunchOrdinal(app_id).IsValid());
 382     EXPECT_FALSE(app_sorting->GetPageOrdinal(app_id).IsValid());
 383   }
 384
 385   // Verify that after ephemeral apps stop running, they reside in extension
 386   // system in a disabled and unloaded state.
 387   void VerifyInactiveEphemeralApp(const std::string& app_id) {
 388     EXPECT_TRUE(
 389         ExtensionRegistry::Get(profile())->disabled_extensions().Contains(
 390             app_id));
 391
 392     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 393     EXPECT_TRUE(prefs->IsExtensionDisabled(app_id));
 394     EXPECT_NE(0,
 395               prefs->GetDisableReasons(app_id) &
 396                   Extension::DISABLE_INACTIVE_EPHEMERAL_APP);
 397   }
 398
 399   // Verify the state of an app that has been promoted from an ephemeral to a
 400   // fully installed app.
 401   void VerifyPromotedApp(const std::string& app_id,
 402                          ExtensionRegistry::IncludeFlag expected_set) {
 403     const Extension* app = ExtensionRegistry::Get(profile())
 404                                ->GetExtensionById(app_id, expected_set);
 405     ASSERT_TRUE(app) << "App not found in expected set: " << expected_set;
 406
 407     // The app should not be ephemeral.
 408     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 409     ASSERT_TRUE(prefs);
 410     EXPECT_FALSE(prefs->IsEphemeralApp(app_id));
 411     EXPECT_EQ(0,
 412               prefs->GetDisableReasons(app_id) &
 413                   Extension::DISABLE_INACTIVE_EPHEMERAL_APP);
 414
 415     // Check sort ordinals.
 416     extensions::AppSorting* app_sorting = prefs->app_sorting();
 417     EXPECT_TRUE(app_sorting->GetAppLaunchOrdinal(app_id).IsValid());
 418     EXPECT_TRUE(app_sorting->GetPageOrdinal(app_id).IsValid());
 419   }
 420
 421   // Dispatch a fake alarm event to the app.
 422   void DispatchAlarmEvent(EventRouter* event_router,
 423                           const std::string& app_id) {
 424     alarms::Alarm dummy_alarm;
 425     dummy_alarm.name = "test_alarm";
 426
 427     scoped_ptr<base::ListValue> args(new base::ListValue());
 428     args->Append(dummy_alarm.ToValue().release());
 429     scoped_ptr<Event> event(new Event(extensions::events::ALARMS_ON_ALARM,
 430                                       alarms::OnAlarm::kEventName,
 431                                       args.Pass()));
 432
 433     event_router->DispatchEventToExtension(app_id, event.Pass());
 434   }
 435
 436   // Simulates the scenario where an app is installed, via the normal
 437   // installation route, on top of an ephemeral app. This can occur due to race
 438   // conditions.
 439   const Extension* ReplaceEphemeralApp(const std::string& app_id,
 440                                        const char* test_path,
 441                                        int expected_enabled_change) {
 442     return UpdateExtensionWaitForIdle(
 443         app_id, GetTestPath(test_path), expected_enabled_change);
 444   }
 445
 446   void PromoteEphemeralAppAndVerify(
 447       const Extension* app,
 448       ExtensionRegistry::IncludeFlag expected_set) {
 449     ASSERT_TRUE(app);
 450
 451     // Ephemeral apps should not be synced.
 452     scoped_ptr<ExtensionSyncData> sync_change =
 453         GetLastSyncChangeForApp(app->id());
 454     EXPECT_FALSE(sync_change.get());
 455
 456     // Promote the app to a regular installed app.
 457     InstallObserver installed_observer(profile());
 458     PromoteEphemeralApp(app);
 459     VerifyPromotedApp(app->id(), expected_set);
 460
 461     // Check the notification parameters.
 462     const InstallObserver::InstallParameters& params =
 463         installed_observer.Last();
 464     EXPECT_EQ(app->id(), params.id);
 465     EXPECT_TRUE(params.is_update);
 466     EXPECT_TRUE(params.from_ephemeral);
 467
 468     // The installation should now be synced.
 469     sync_change = GetLastSyncChangeForApp(app->id());
 470     VerifySyncChange(sync_change.get(),
 471                      expected_set == ExtensionRegistry::ENABLED);
 472   }
 473
 474   void PromoteEphemeralAppFromSyncAndVerify(
 475       const Extension* app,
 476       bool enable_from_sync,
 477       ExtensionRegistry::IncludeFlag expected_set) {
 478     ASSERT_TRUE(app);
 479
 480     // Simulate an install from sync.
 481     int disable_reasons = enable_from_sync ? 0 : Extension::DISABLE_USER_ACTION;
 482     const syncer::StringOrdinal kAppLaunchOrdinal("x");
 483     const syncer::StringOrdinal kPageOrdinal("y");
 484     ExtensionSyncData app_sync_data(
 485         *app,
 486         enable_from_sync,
 487         disable_reasons,
 488         false /* incognito enabled */,
 489         false /* remote install */,
 490         extensions::ExtensionSyncData::BOOLEAN_UNSET,
 491         kAppLaunchOrdinal,
 492         kPageOrdinal,
 493         extensions::LAUNCH_TYPE_REGULAR);
 494
 495     std::string app_id = app->id();
 496     app = NULL;
 497
 498     ExtensionSyncService* sync_service = ExtensionSyncService::Get(profile());
 499     sync_service->ApplySyncData(app_sync_data);
 500
 501     // Verify the installation.
 502     VerifyPromotedApp(app_id, expected_set);
 503
 504     // The sort ordinals from sync should not be overridden.
 505     ExtensionPrefs* prefs = ExtensionPrefs::Get(profile());
 506     extensions::AppSorting* app_sorting = prefs->app_sorting();
 507     EXPECT_TRUE(
 508         app_sorting->GetAppLaunchOrdinal(app_id).Equals(kAppLaunchOrdinal));
 509     EXPECT_TRUE(app_sorting->GetPageOrdinal(app_id).Equals(kPageOrdinal));
 510   }
 511
 512   void InitSyncService() {
 513     if (!kEnableSync)
 514       return;
 515
 516     ExtensionSyncService* sync_service = ExtensionSyncService::Get(profile());
 517     sync_service->MergeDataAndStartSyncing(
 518         syncer::APPS,
 519         syncer::SyncDataList(),
 520         scoped_ptr<syncer::SyncChangeProcessor>(
 521             new syncer::SyncChangeProcessorWrapperForTest(
 522                 &mock_sync_processor_)),
 523         scoped_ptr<syncer::SyncErrorFactory>(
 524             new syncer::SyncErrorFactoryMock()));
 525   }
 526
 527   scoped_ptr<ExtensionSyncData> GetLastSyncChangeForApp(const std::string& id) {
 528     scoped_ptr<ExtensionSyncData> sync_data;
 529     for (syncer::SyncChangeList::iterator it =
 530              mock_sync_processor_.changes().begin();
 531          it != mock_sync_processor_.changes().end(); ++it) {
 532       scoped_ptr<ExtensionSyncData> data(
 533           ExtensionSyncData::CreateFromSyncChange(*it));
 534       if (data.get() && data->id() == id)
 535         sync_data.reset(data.release());
 536     }
 537
 538     return sync_data.Pass();
 539   }
 540
 541   void VerifySyncChange(const ExtensionSyncData* sync_change,
 542                         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->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   NotifierStateTracker* notifier_state_tracker =
 701       NotifierStateTrackerFactory::GetForProfile(profile());
 702   ASSERT_TRUE(notifier_state_tracker);
 703
 704   message_center::NotifierId notifier_id(
 705       message_center::NotifierId::APPLICATION, app->id());
 706   EXPECT_TRUE(notifier_state_tracker->IsNotifierEnabled(notifier_id));
 707   notifier_state_tracker->SetNotifierEnabled(notifier_id, false);
 708   EXPECT_FALSE(notifier_state_tracker->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(notifier_state_tracker->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<ExtensionSyncData> sync_change =
 869       GetLastSyncChangeForApp(app->id());
 870   VerifySyncChange(sync_change.get(), false);
 871 }
 872
 873 // Checks the process of promoting an ephemeral app from sync while the app is
 874 // running.
 875 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 876                        PromoteAppFromSyncWhileRunning) {
 877   InitSyncService();
 878
 879   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 880   ASSERT_TRUE(app);
 881
 882   PromoteEphemeralAppFromSyncAndVerify(app, true, ExtensionRegistry::ENABLED);
 883
 884   // Ensure that the app is not unloaded and disabled after it is closed.
 885   CloseApp(app->id());
 886   VerifyPromotedApp(app->id(), ExtensionRegistry::ENABLED);
 887 }
 888
 889 // Checks the process of promoting an ephemeral app from sync while the app is
 890 // idle.
 891 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, PromoteAppFromSyncWhileIdle) {
 892   InitSyncService();
 893
 894   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 895   ASSERT_TRUE(app);
 896   CloseAppWaitForUnload(app->id());
 897   VerifyInactiveEphemeralApp(app->id());
 898
 899   PromoteEphemeralAppFromSyncAndVerify(app, true, ExtensionRegistry::ENABLED);
 900 }
 901
 902 // Checks the process of promoting an ephemeral app from sync, where the app
 903 // from sync is disabled, and the ephemeral app is running.
 904 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 905                        PromoteDisabledAppFromSyncWhileRunning) {
 906   InitSyncService();
 907
 908   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 909   ASSERT_TRUE(app);
 910
 911   PromoteEphemeralAppFromSyncAndVerify(app, false, ExtensionRegistry::DISABLED);
 912 }
 913
 914 // Checks the process of promoting an ephemeral app from sync, where the app
 915 // from sync is disabled, and the ephemeral app is idle.
 916 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 917                        PromoteDisabledAppFromSyncWhileIdle) {
 918   InitSyncService();
 919
 920   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 921   ASSERT_TRUE(app);
 922   CloseAppWaitForUnload(app->id());
 923   VerifyInactiveEphemeralApp(app->id());
 924
 925   PromoteEphemeralAppFromSyncAndVerify(app, false, ExtensionRegistry::DISABLED);
 926 }
 927
 928 // In most cases, ExtensionService::PromoteEphemeralApp() will be called to
 929 // permanently install an ephemeral app. However, there may be cases where an
 930 // install occurs through the usual route of installing from the Web Store (due
 931 // to race conditions). Ensure that the app is still installed correctly.
 932 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 933                        ReplaceEphemeralAppWithInstalledApp) {
 934   InitSyncService();
 935
 936   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 937   ASSERT_TRUE(app);
 938   CloseAppWaitForUnload(app->id());
 939   std::string app_id = app->id();
 940   app = NULL;
 941
 942   InstallObserver installed_observer(profile());
 943   ReplaceEphemeralApp(app_id, kNotificationsTestApp, 1);
 944   VerifyPromotedApp(app_id, ExtensionRegistry::ENABLED);
 945
 946   // Check the notification parameters.
 947   const InstallObserver::InstallParameters& params = installed_observer.Last();
 948   EXPECT_EQ(app_id, params.id);
 949   EXPECT_TRUE(params.is_update);
 950   EXPECT_TRUE(params.from_ephemeral);
 951 }
 952
 953 // This is similar to ReplaceEphemeralAppWithInstalledApp, but installs will
 954 // be delayed until the app is idle.
 955 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 956                        ReplaceEphemeralAppWithDelayedInstalledApp) {
 957   InitSyncService();
 958   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
 959   ASSERT_TRUE(app);
 960   std::string app_id = app->id();
 961   app = NULL;
 962
 963   // Initiate install.
 964   ReplaceEphemeralApp(app_id, kNotificationsTestApp, 0);
 965
 966   // The delayed installation will occur when the ephemeral app is closed.
 967   extensions::TestExtensionRegistryObserver observer(
 968       ExtensionRegistry::Get(profile()), app_id);
 969   InstallObserver installed_observer(profile());
 970   CloseAppWaitForUnload(app_id);
 971   observer.WaitForExtensionWillBeInstalled();
 972   VerifyPromotedApp(app_id, ExtensionRegistry::ENABLED);
 973
 974   // Check the notification parameters.
 975   const InstallObserver::InstallParameters& params = installed_observer.Last();
 976   EXPECT_EQ(app_id, params.id);
 977   EXPECT_TRUE(params.is_update);
 978   EXPECT_TRUE(params.from_ephemeral);
 979 }
 980
 981 // Verifies that an installed app cannot turn into an ephemeral app as result of
 982 // race conditions, i.e. an ephemeral app can be promoted to an installed app,
 983 // but not vice versa.
 984 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
 985                        ReplaceInstalledAppWithEphemeralApp) {
 986   const Extension* app = InstallPlatformApp(kNotificationsTestApp);
 987   ASSERT_TRUE(app);
 988   std::string app_id = app->id();
 989   app = NULL;
 990
 991   EXPECT_FALSE(extensions::util::IsEphemeralApp(app_id, profile()));
 992   app =
 993       InstallEphemeralAppWithSourceAndFlags(GetTestPath(kNotificationsTestApp),
 994                                             0,
 995                                             Manifest::INTERNAL,
 996                                             Extension::NO_FLAGS);
 997   EXPECT_FALSE(extensions::util::IsEphemeralApp(app_id, profile()));
 998 }
 999
1000 // Ephemerality was previously encoded by the Extension::IS_EPHEMERAL creation
1001 // flag. This was changed to an "ephemeral_app" property. Check that the prefs
1002 // are handled correctly.
1003 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
1004                        ExtensionPrefBackcompatibility) {
1005   // Ensure that apps with the old prefs are recognized as ephemeral.
1006   const Extension* app =
1007       InstallExtensionWithSourceAndFlags(GetTestPath(kNotificationsTestApp),
1008                                          1,
1009                                          Manifest::INTERNAL,
1010                                          Extension::IS_EPHEMERAL);
1011   ASSERT_TRUE(app);
1012   EXPECT_TRUE(extensions::util::IsEphemeralApp(app->id(), profile()));
1013
1014   // Ensure that when the app is promoted to an installed app, the bit in the
1015   // creation flags is cleared.
1016   PromoteEphemeralApp(app);
1017   EXPECT_FALSE(extensions::util::IsEphemeralApp(app->id(), profile()));
1018
1019   int creation_flags =
1020       ExtensionPrefs::Get(profile())->GetCreationFlags(app->id());
1021   EXPECT_EQ(0, creation_flags & Extension::IS_EPHEMERAL);
1022 }
1023
1024 // Verifies that the power keep awake will be automatically released for
1025 // ephemeral apps that stop running. Well behaved apps should actually call
1026 // chrome.power.releaseKeepAwake() themselves.
1027 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest, ReleasePowerKeepAwake) {
1028   PowerSettingsMock power_settings;
1029   extensions::PowerAPI::Get(profile())->SetCreateBlockerFunctionForTesting(
1030       base::Bind(&PowerSaveBlockerStub::Create, &power_settings));
1031
1032   const Extension* app = InstallAndLaunchEphemeralApp(kPowerTestApp);
1033   ASSERT_TRUE(app);
1034   EXPECT_EQ(1, power_settings.keep_awake_count());
1035
1036   CloseAppWaitForUnload(app->id());
1037
1038   EXPECT_EQ(0, power_settings.keep_awake_count());
1039 }