athena/content/app_activity_unittest.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 "athena/activity/public/activity_factory.h"
   6 #include "athena/activity/public/activity_manager.h"
   7 #include "athena/content/app_activity.h"
   8 #include "athena/content/app_activity_registry.h"
   9 #include "athena/content/public/app_registry.h"
  10 #include "athena/extensions/public/extensions_delegate.h"
  11 #include "athena/resource_manager/public/resource_manager.h"
  12 #include "athena/test/base/athena_test_base.h"
  13 #include "extensions/common/extension_set.h"
  14 #include "ui/aura/window.h"
  15 #include "ui/views/view.h"
  16 #include "ui/views/widget/widget.h"
  17
  18 namespace content {
  19 class BrowserContext;
  20 }
  21
  22 namespace athena {
  23 namespace test {
  24
  25 namespace {
  26
  27 // An identifier for the running apps.
  28 const char kDummyApp1[] = "aaaaaaa";
  29 const char kDummyApp2[] = "bbbbbbb";
  30
  31 // A dummy test app activity which works without content / ShellAppWindow.
  32 class TestAppActivity : public AppActivity {
  33  public:
  34   explicit TestAppActivity(const std::string& app_id)
  35       : AppActivity(app_id),
  36         view_(new views::View()),
  37         current_state_(ACTIVITY_VISIBLE) {
  38     app_activity_registry_ =
  39         AppRegistry::Get()->GetAppActivityRegistry(app_id, NULL);
  40     app_activity_registry_->RegisterAppActivity(this);
  41   }
  42   virtual ~TestAppActivity() {
  43     app_activity_registry_->UnregisterAppActivity(this);
  44   }
  45
  46   AppActivityRegistry* app_activity_registry() {
  47     return app_activity_registry_;
  48   }
  49
  50   // Activity:
  51   virtual ActivityViewModel* GetActivityViewModel() override {
  52     return this;
  53   }
  54   virtual void SetCurrentState(Activity::ActivityState state) override {
  55     current_state_ = state;
  56     if (state == ACTIVITY_UNLOADED)
  57       app_activity_registry_->Unload();
  58   }
  59   virtual ActivityState GetCurrentState() override {
  60     return current_state_;
  61   }
  62   virtual bool IsVisible() override {
  63     return true;
  64   }
  65   virtual ActivityMediaState GetMediaState() override {
  66     return Activity::ACTIVITY_MEDIA_STATE_NONE;
  67   }
  68   virtual aura::Window* GetWindow() override {
  69     return view_->GetWidget()->GetNativeWindow();
  70   }
  71
  72   // ActivityViewModel:
  73   virtual void Init() override {}
  74   virtual SkColor GetRepresentativeColor() const override { return 0; }
  75   virtual base::string16 GetTitle() const override { return title_; }
  76   virtual bool UsesFrame() const override { return true; }
  77   virtual views::View* GetContentsView() override { return view_; }
  78   virtual views::Widget* CreateWidget() override { return NULL; }
  79   virtual gfx::ImageSkia GetOverviewModeImage() override {
  80     return gfx::ImageSkia();
  81   }
  82
  83  private:
  84   // If known the registry which holds all activities for the associated app.
  85   AppActivityRegistry* app_activity_registry_;
  86
  87   // The title of the activity.
  88   base::string16 title_;
  89
  90   // Our view.
  91   views::View* view_;
  92
  93   // The current state for this activity.
  94   ActivityState current_state_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(TestAppActivity);
  97 };
  98
  99 // An AppContentDelegateClass which we can query for call stats.
 100 class TestExtensionsDelegate : public ExtensionsDelegate {
 101  public:
 102   TestExtensionsDelegate() : unload_called_(0), restart_called_(0) {}
 103   virtual ~TestExtensionsDelegate() {}
 104
 105   int unload_called() const { return unload_called_; }
 106   int restart_called() const { return restart_called_; }
 107
 108   // ExtensionsDelegate:
 109   virtual content::BrowserContext* GetBrowserContext() const override {
 110     return NULL;
 111   }
 112   virtual const extensions::ExtensionSet& GetInstalledExtensions() override {
 113     return extension_set_;
 114   }
 115   // Unload an application. Returns true when unloaded.
 116   virtual bool UnloadApp(const std::string& app_id) override {
 117     unload_called_++;
 118     // Since we did not close anything we let the framework clean up.
 119     return false;
 120   }
 121   // Restarts an application. Returns true when the restart was initiated.
 122   virtual bool LaunchApp(const std::string& app_id) override {
 123     restart_called_++;
 124     return true;
 125   }
 126
 127  private:
 128   int unload_called_;
 129   int restart_called_;
 130
 131   extensions::ExtensionSet extension_set_;
 132
 133   DISALLOW_COPY_AND_ASSIGN(TestExtensionsDelegate);
 134 };
 135
 136 }  // namespace
 137
 138 // Our testing base.
 139 class AppActivityTest : public AthenaTestBase {
 140  public:
 141   AppActivityTest() : test_extensions_delegate_(NULL) {}
 142   virtual ~AppActivityTest() {}
 143
 144   // AthenaTestBase:
 145   virtual void SetUp() override {
 146     AthenaTestBase::SetUp();
 147     // Create and install our TestAppContentDelegate with instrumentation.
 148     ExtensionsDelegate::Shutdown();
 149     // The instance will be deleted by ExtensionsDelegate::Shutdown().
 150     test_extensions_delegate_ = new TestExtensionsDelegate();
 151   }
 152
 153   // A function to create an Activity.
 154   TestAppActivity* CreateAppActivity(const std::string& app_id) {
 155     TestAppActivity* activity = new TestAppActivity(app_id);
 156     ActivityManager::Get()->AddActivity(activity);
 157     return activity;
 158   }
 159
 160   void DeleteActivity(Activity* activity) {
 161     Activity::Delete(activity);
 162     RunAllPendingInMessageLoop();
 163   }
 164
 165   // Get the position of the activity in the navigation history.
 166   int GetActivityPosition(Activity* activity) {
 167     aura::Window* window = activity->GetActivityViewModel()->GetContentsView()
 168                                ->GetWidget()->GetNativeWindow();
 169     aura::Window::Windows windows = activity->GetWindow()->parent()->children();
 170     for (size_t i = 0; i < windows.size(); i++) {
 171       if (windows[i] == window)
 172         return i;
 173     }
 174     return -1;
 175   }
 176
 177   // To avoid interference of the ResourceManager in these AppActivity
 178   // framework tests, we disable the ResourceManager for some tests.
 179   // Every use/interference of this function gets explained.
 180   void DisableResourceManager() {
 181     ResourceManager::Get()->Pause(true);
 182   }
 183
 184  protected:
 185   TestExtensionsDelegate* test_extensions_delegate() {
 186     return test_extensions_delegate_;
 187   }
 188
 189  private:
 190   TestExtensionsDelegate* test_extensions_delegate_;
 191
 192   DISALLOW_COPY_AND_ASSIGN(AppActivityTest);
 193 };
 194
 195 // Only creates one activity and destroys it.
 196 TEST_F(AppActivityTest, OneAppActivity) {
 197   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 198   {
 199     TestAppActivity* app_activity = CreateAppActivity(kDummyApp1);
 200     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 201     EXPECT_EQ(1, app_activity->app_activity_registry()->NumberOfActivities());
 202     EXPECT_EQ(AppRegistry::Get()->GetAppActivityRegistry(kDummyApp1, NULL),
 203               app_activity->app_activity_registry());
 204     DeleteActivity(app_activity);
 205   }
 206   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 207   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 208   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 209 }
 210
 211 // Test running of two applications.
 212 TEST_F(AppActivityTest, TwoAppsWithOneActivityEach) {
 213   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 214   {
 215     TestAppActivity* app_activity1 = CreateAppActivity(kDummyApp1);
 216     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 217     EXPECT_EQ(1, app_activity1->app_activity_registry()->NumberOfActivities());
 218     TestAppActivity* app_activity2 = CreateAppActivity(kDummyApp2);
 219     EXPECT_EQ(2, AppRegistry::Get()->NumberOfApplications());
 220     EXPECT_EQ(1, app_activity2->app_activity_registry()->NumberOfActivities());
 221     EXPECT_EQ(1, app_activity1->app_activity_registry()->NumberOfActivities());
 222     DeleteActivity(app_activity1);
 223     DeleteActivity(app_activity2);
 224   }
 225   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 226   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 227   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 228 }
 229
 230 // Create and destroy two activities for the same application.
 231 TEST_F(AppActivityTest, TwoAppActivities) {
 232   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 233   {
 234     TestAppActivity* app_activity1 = CreateAppActivity(kDummyApp1);
 235     TestAppActivity* app_activity2 = CreateAppActivity(kDummyApp1);
 236     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 237     EXPECT_EQ(2, app_activity1->app_activity_registry()->NumberOfActivities());
 238     EXPECT_EQ(app_activity1->app_activity_registry(),
 239               app_activity2->app_activity_registry());
 240     DeleteActivity(app_activity1);
 241     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 242     EXPECT_EQ(1, app_activity2->app_activity_registry()->NumberOfActivities());
 243     DeleteActivity(app_activity2);
 244   }
 245   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 246   {
 247     TestAppActivity* app_activity1 = CreateAppActivity(kDummyApp1);
 248     TestAppActivity* app_activity2 = CreateAppActivity(kDummyApp1);
 249     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 250     EXPECT_EQ(2, app_activity1->app_activity_registry()->NumberOfActivities());
 251     EXPECT_EQ(app_activity1->app_activity_registry(),
 252               app_activity2->app_activity_registry());
 253     DeleteActivity(app_activity2);
 254     EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 255     EXPECT_EQ(1, app_activity1->app_activity_registry()->NumberOfActivities());
 256     DeleteActivity(app_activity1);
 257   }
 258   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 259   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 260   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 261 }
 262
 263 // Test unload and the creation of the proxy, then "closing the activity".
 264 TEST_F(AppActivityTest, TestUnloadFollowedByClose) {
 265   // We do not want the ResourceManager to interfere with this test. In this
 266   // case it would (dependent on its current internal implementation)
 267   // automatically re-load the unloaded activity if it is in an "active"
 268   // position.
 269   DisableResourceManager();
 270   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 271
 272   TestAppActivity* app_activity = CreateAppActivity(kDummyApp1);
 273   EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 274   AppActivityRegistry* app_activity_registry =
 275       app_activity->app_activity_registry();
 276   EXPECT_EQ(1, app_activity_registry->NumberOfActivities());
 277   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app_activity->GetCurrentState());
 278
 279   // Calling Unload now should not do anything since at least one activity in
 280   // the registry is still visible.
 281   app_activity_registry->Unload();
 282   RunAllPendingInMessageLoop();
 283   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 284
 285   // After setting our activity to unloaded however the application should get
 286   // unloaded as requested.
 287   app_activity->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 288   RunAllPendingInMessageLoop();
 289   EXPECT_EQ(1, test_extensions_delegate()->unload_called());
 290
 291   // Check that our created application is gone, and instead a proxy got
 292   // created.
 293   ASSERT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 294   ASSERT_EQ(app_activity_registry,
 295             AppRegistry::Get()->GetAppActivityRegistry(kDummyApp1, NULL));
 296   EXPECT_EQ(0, app_activity_registry->NumberOfActivities());
 297   Activity* activity_proxy = app_activity_registry->unloaded_activity_proxy();
 298   ASSERT_TRUE(activity_proxy);
 299   EXPECT_NE(app_activity, activity_proxy);
 300   EXPECT_EQ(Activity::ACTIVITY_UNLOADED, activity_proxy->GetCurrentState());
 301   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 302
 303   // Close the proxy object and make sure that nothing bad happens.
 304   DeleteActivity(activity_proxy);
 305
 306   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 307   EXPECT_EQ(1, test_extensions_delegate()->unload_called());
 308   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 309 }
 310
 311 // Test that when unloading an app while multiple apps / activities are present,
 312 // the proxy gets created in the correct location.
 313 TEST_F(AppActivityTest, TestUnloadProxyLocation) {
 314   // Disable the resource manager since some build bots run this test for an
 315   // extended amount of time which allows the MemoryPressureNotifier to fire.
 316   DisableResourceManager();
 317   // Set up some activities for some applications.
 318   TestAppActivity* app_activity1a = CreateAppActivity(kDummyApp1);
 319   TestAppActivity* app_activity2a = CreateAppActivity(kDummyApp2);
 320   TestAppActivity* app_activity2b = CreateAppActivity(kDummyApp2);
 321   TestAppActivity* app_activity1b = CreateAppActivity(kDummyApp1);
 322   EXPECT_EQ(3, GetActivityPosition(app_activity1b));
 323   EXPECT_EQ(2, GetActivityPosition(app_activity2b));
 324   EXPECT_EQ(1, GetActivityPosition(app_activity2a));
 325   EXPECT_EQ(0, GetActivityPosition(app_activity1a));
 326
 327   // Unload an app and make sure that the proxy is in the newest activity slot.
 328   AppActivityRegistry* app_activity_registry =
 329       app_activity2a->app_activity_registry();
 330   app_activity2a->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 331   app_activity2b->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 332   RunAllPendingInMessageLoop();
 333   EXPECT_EQ(0, app_activity_registry->NumberOfActivities());
 334   Activity* activity_proxy = app_activity_registry->unloaded_activity_proxy();
 335   RunAllPendingInMessageLoop();
 336
 337   EXPECT_EQ(2, GetActivityPosition(app_activity1b));
 338   EXPECT_EQ(1, GetActivityPosition(activity_proxy));
 339   EXPECT_EQ(0, GetActivityPosition(app_activity1a));
 340   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 341
 342   DeleteActivity(activity_proxy);
 343   DeleteActivity(app_activity1b);
 344   DeleteActivity(app_activity1a);
 345 }
 346
 347 // Test that an unload with multiple activities of the same app will only unload
 348 // when all activities were marked for unloading.
 349 TEST_F(AppActivityTest, TestMultipleActivityUnloadLock) {
 350   // Disable the resource manager since some build bots run this test for an
 351   // extended amount of time which allows the MemoryPressureNotifier to fire.
 352   DisableResourceManager();
 353
 354   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 355
 356   TestAppActivity* app_activity1 = CreateAppActivity(kDummyApp1);
 357   TestAppActivity* app_activity2 = CreateAppActivity(kDummyApp1);
 358   TestAppActivity* app_activity3 = CreateAppActivity(kDummyApp1);
 359
 360   // Check that we have 3 activities of the same application.
 361   EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 362   AppActivityRegistry* app_activity_registry =
 363       app_activity1->app_activity_registry();
 364   EXPECT_EQ(app_activity_registry, app_activity2->app_activity_registry());
 365   EXPECT_EQ(app_activity_registry, app_activity3->app_activity_registry());
 366   EXPECT_EQ(3, app_activity_registry->NumberOfActivities());
 367   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app_activity1->GetCurrentState());
 368   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app_activity2->GetCurrentState());
 369   EXPECT_EQ(Activity::ACTIVITY_VISIBLE, app_activity3->GetCurrentState());
 370
 371   // After setting all activities to UNLOADED the application should unload.
 372   app_activity1->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 373   RunAllPendingInMessageLoop();
 374   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 375   app_activity2->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 376   RunAllPendingInMessageLoop();
 377   EXPECT_EQ(0, test_extensions_delegate()->unload_called());
 378   app_activity3->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 379   RunAllPendingInMessageLoop();
 380   EXPECT_EQ(1, test_extensions_delegate()->unload_called());
 381
 382   // Now there should only be the proxy activity left.
 383   ASSERT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 384   ASSERT_EQ(app_activity_registry,
 385             AppRegistry::Get()->GetAppActivityRegistry(kDummyApp1, NULL));
 386   EXPECT_EQ(0, app_activity_registry->NumberOfActivities());
 387   Activity* activity_proxy = app_activity_registry->unloaded_activity_proxy();
 388   ASSERT_TRUE(activity_proxy);
 389   EXPECT_NE(app_activity1, activity_proxy);
 390   EXPECT_NE(app_activity2, activity_proxy);
 391   EXPECT_NE(app_activity3, activity_proxy);
 392   EXPECT_EQ(Activity::ACTIVITY_UNLOADED, activity_proxy->GetCurrentState());
 393
 394   // Close the proxy object and make sure that nothing bad happens.
 395   DeleteActivity(activity_proxy);
 396
 397   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 398   EXPECT_EQ(1, test_extensions_delegate()->unload_called());
 399   EXPECT_EQ(0, test_extensions_delegate()->restart_called());
 400 }
 401
 402 // Test that activating the proxy will reload the application.
 403 TEST_F(AppActivityTest, TestUnloadWithReload) {
 404   // We do not want the ResourceManager to interfere with this test. In this
 405   // case it would (dependent on its current internal implementation)
 406   // automatically re-load the unloaded activity if it is in an "active"
 407   // position.
 408   DisableResourceManager();
 409   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 410
 411   TestAppActivity* app_activity = CreateAppActivity(kDummyApp1);
 412   AppActivityRegistry* app_activity_registry =
 413       app_activity->app_activity_registry();
 414
 415   // Unload the activity.
 416   app_activity->SetCurrentState(Activity::ACTIVITY_UNLOADED);
 417   RunAllPendingInMessageLoop();
 418   EXPECT_EQ(1, test_extensions_delegate()->unload_called());
 419
 420   // Try to activate the activity again. This will force the application to
 421   // reload.
 422   Activity* activity_proxy = app_activity_registry->unloaded_activity_proxy();
 423   activity_proxy->SetCurrentState(Activity::ACTIVITY_VISIBLE);
 424   EXPECT_EQ(1, test_extensions_delegate()->restart_called());
 425
 426   // However - the restart in this test framework does not really restart and
 427   // all objects should be still there..
 428   EXPECT_EQ(1, AppRegistry::Get()->NumberOfApplications());
 429   EXPECT_TRUE(app_activity_registry->unloaded_activity_proxy());
 430   Activity::Delete(app_activity_registry->unloaded_activity_proxy());
 431   EXPECT_EQ(0, AppRegistry::Get()->NumberOfApplications());
 432 }
 433
 434 }  // namespace test
 435 }  // namespace athena