apps/app_window_geometry_cache_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 "apps/app_window_geometry_cache.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/prefs/mock_pref_change_callback.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "chrome/browser/extensions/test_extension_prefs.h"
  10 #include "chrome/test/base/testing_profile.h"
  11 #include "content/public/test/test_browser_thread.h"
  12 #include "content/public/test/test_utils.h"
  13 #include "extensions/browser/extension_prefs.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 const char kWindowId[] = "windowid";
  17 const char kWindowId2[] = "windowid2";
  18
  19 using content::BrowserThread;
  20
  21 namespace apps {
  22
  23 // Base class for tests.
  24 class AppWindowGeometryCacheTest : public testing::Test {
  25  public:
  26   AppWindowGeometryCacheTest()
  27       : ui_thread_(BrowserThread::UI, &ui_message_loop_) {
  28     prefs_.reset(new extensions::TestExtensionPrefs(
  29         ui_message_loop_.message_loop_proxy().get()));
  30     cache_.reset(new AppWindowGeometryCache(&profile_, prefs_->prefs()));
  31     cache_->SetSyncDelayForTests(0);
  32   }
  33
  34   void AddGeometryAndLoadExtension(const std::string& extension_id,
  35                                    const std::string& window_id,
  36                                    const gfx::Rect& bounds,
  37                                    const gfx::Rect& screen_bounds,
  38                                    ui::WindowShowState state);
  39
  40   // Spins the UI threads' message loops to make sure any task
  41   // posted to sync the geometry to the value store gets a chance to run.
  42   void WaitForSync();
  43
  44   void LoadExtension(const std::string& extension_id);
  45   void UnloadExtension(const std::string& extension_id);
  46
  47  protected:
  48   TestingProfile profile_;
  49   base::MessageLoopForUI ui_message_loop_;
  50   content::TestBrowserThread ui_thread_;
  51   scoped_ptr<extensions::TestExtensionPrefs> prefs_;
  52   scoped_ptr<AppWindowGeometryCache> cache_;
  53 };
  54
  55 void AppWindowGeometryCacheTest::AddGeometryAndLoadExtension(
  56     const std::string& extension_id,
  57     const std::string& window_id,
  58     const gfx::Rect& bounds,
  59     const gfx::Rect& screen_bounds,
  60     ui::WindowShowState state) {
  61   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
  62   base::DictionaryValue* value = new base::DictionaryValue;
  63   value->SetInteger("x", bounds.x());
  64   value->SetInteger("y", bounds.y());
  65   value->SetInteger("w", bounds.width());
  66   value->SetInteger("h", bounds.height());
  67   value->SetInteger("screen_bounds_x", screen_bounds.x());
  68   value->SetInteger("screen_bounds_y", screen_bounds.y());
  69   value->SetInteger("screen_bounds_w", screen_bounds.width());
  70   value->SetInteger("screen_bounds_h", screen_bounds.height());
  71   value->SetInteger("state", state);
  72   dict->SetWithoutPathExpansion(window_id, value);
  73   prefs_->prefs()->SetGeometryCache(extension_id, dict.Pass());
  74   LoadExtension(extension_id);
  75 }
  76
  77 void AppWindowGeometryCacheTest::WaitForSync() {
  78   content::RunAllPendingInMessageLoop();
  79 }
  80
  81 void AppWindowGeometryCacheTest::LoadExtension(
  82     const std::string& extension_id) {
  83   cache_->LoadGeometryFromStorage(extension_id);
  84   WaitForSync();
  85 }
  86
  87 void AppWindowGeometryCacheTest::UnloadExtension(
  88     const std::string& extension_id) {
  89   cache_->OnExtensionUnloaded(extension_id);
  90   WaitForSync();
  91 }
  92
  93 // Test getting geometry from an empty store.
  94 TEST_F(AppWindowGeometryCacheTest, GetGeometryEmptyStore) {
  95   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
  96   ASSERT_FALSE(cache_->GetGeometry(extension_id, kWindowId, NULL, NULL, NULL));
  97 }
  98
  99 // Test getting geometry for an unknown extension.
 100 TEST_F(AppWindowGeometryCacheTest, GetGeometryUnkownExtension) {
 101   const std::string extension_id1 = prefs_->AddExtensionAndReturnId("ext1");
 102   const std::string extension_id2 = prefs_->AddExtensionAndReturnId("ext2");
 103   AddGeometryAndLoadExtension(extension_id1,
 104                               kWindowId,
 105                               gfx::Rect(4, 5, 31, 43),
 106                               gfx::Rect(0, 0, 1600, 900),
 107                               ui::SHOW_STATE_NORMAL);
 108   ASSERT_FALSE(cache_->GetGeometry(extension_id2, kWindowId, NULL, NULL, NULL));
 109 }
 110
 111 // Test getting geometry for an unknown window in a known extension.
 112 TEST_F(AppWindowGeometryCacheTest, GetGeometryUnkownWindow) {
 113   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 114   AddGeometryAndLoadExtension(extension_id,
 115                               kWindowId,
 116                               gfx::Rect(4, 5, 31, 43),
 117                               gfx::Rect(0, 0, 1600, 900),
 118                               ui::SHOW_STATE_NORMAL);
 119   ASSERT_FALSE(cache_->GetGeometry(extension_id, kWindowId2, NULL, NULL, NULL));
 120 }
 121
 122 // Test that loading geometry, screen_bounds and state from the store works
 123 // correctly.
 124 TEST_F(AppWindowGeometryCacheTest, GetGeometryAndStateFromStore) {
 125   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 126   gfx::Rect bounds(4, 5, 31, 43);
 127   gfx::Rect screen_bounds(0, 0, 1600, 900);
 128   ui::WindowShowState state = ui::SHOW_STATE_NORMAL;
 129   AddGeometryAndLoadExtension(
 130       extension_id, kWindowId, bounds, screen_bounds, state);
 131   gfx::Rect new_bounds;
 132   gfx::Rect new_screen_bounds;
 133   ui::WindowShowState new_state = ui::SHOW_STATE_DEFAULT;
 134   ASSERT_TRUE(cache_->GetGeometry(
 135       extension_id, kWindowId, &new_bounds, &new_screen_bounds, &new_state));
 136   ASSERT_EQ(bounds, new_bounds);
 137   ASSERT_EQ(screen_bounds, new_screen_bounds);
 138   ASSERT_EQ(state, new_state);
 139 }
 140
 141 // Test corrupt bounds will not be loaded.
 142 TEST_F(AppWindowGeometryCacheTest, CorruptBounds) {
 143   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 144   gfx::Rect bounds;
 145   gfx::Rect screen_bounds(0, 0, 1600, 900);
 146   ui::WindowShowState state = ui::SHOW_STATE_NORMAL;
 147   AddGeometryAndLoadExtension(
 148       extension_id, kWindowId, bounds, screen_bounds, state);
 149   gfx::Rect new_bounds;
 150   gfx::Rect new_screen_bounds;
 151   ui::WindowShowState new_state = ui::SHOW_STATE_DEFAULT;
 152   ASSERT_FALSE(cache_->GetGeometry(
 153       extension_id, kWindowId, &new_bounds, &new_screen_bounds, &new_state));
 154   ASSERT_TRUE(new_bounds.IsEmpty());
 155   ASSERT_TRUE(new_screen_bounds.IsEmpty());
 156   ASSERT_EQ(new_state, ui::SHOW_STATE_DEFAULT);
 157 }
 158
 159 // Test corrupt screen bounds will not be loaded.
 160 TEST_F(AppWindowGeometryCacheTest, CorruptScreenBounds) {
 161   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 162   gfx::Rect bounds(4, 5, 31, 43);
 163   gfx::Rect screen_bounds;
 164   ui::WindowShowState state = ui::SHOW_STATE_NORMAL;
 165   AddGeometryAndLoadExtension(
 166       extension_id, kWindowId, bounds, screen_bounds, state);
 167   gfx::Rect new_bounds;
 168   gfx::Rect new_screen_bounds;
 169   ui::WindowShowState new_state = ui::SHOW_STATE_DEFAULT;
 170   ASSERT_FALSE(cache_->GetGeometry(
 171       extension_id, kWindowId, &new_bounds, &new_screen_bounds, &new_state));
 172   ASSERT_TRUE(new_bounds.IsEmpty());
 173   ASSERT_TRUE(new_screen_bounds.IsEmpty());
 174   ASSERT_EQ(new_state, ui::SHOW_STATE_DEFAULT);
 175 }
 176
 177 // Test corrupt state will not be loaded.
 178 TEST_F(AppWindowGeometryCacheTest, CorruptState) {
 179   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 180   gfx::Rect bounds(4, 5, 31, 43);
 181   gfx::Rect screen_bounds(0, 0, 1600, 900);
 182   ui::WindowShowState state = ui::SHOW_STATE_DEFAULT;
 183   AddGeometryAndLoadExtension(
 184       extension_id, kWindowId, bounds, screen_bounds, state);
 185   gfx::Rect new_bounds;
 186   gfx::Rect new_screen_bounds;
 187   ui::WindowShowState new_state = ui::SHOW_STATE_DEFAULT;
 188   ASSERT_FALSE(cache_->GetGeometry(
 189       extension_id, kWindowId, &new_bounds, &new_screen_bounds, &new_state));
 190   ASSERT_TRUE(new_bounds.IsEmpty());
 191   ASSERT_TRUE(new_screen_bounds.IsEmpty());
 192   ASSERT_EQ(new_state, ui::SHOW_STATE_DEFAULT);
 193 }
 194
 195 // Test saving geometry, screen_bounds and state to the cache and state store,
 196 // and reading it back.
 197 TEST_F(AppWindowGeometryCacheTest, SaveGeometryAndStateToStore) {
 198   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 199   const std::string window_id(kWindowId);
 200
 201   // inform cache of extension
 202   LoadExtension(extension_id);
 203
 204   // update geometry stored in cache
 205   gfx::Rect bounds(4, 5, 31, 43);
 206   gfx::Rect screen_bounds(0, 0, 1600, 900);
 207   ui::WindowShowState state = ui::SHOW_STATE_NORMAL;
 208   cache_->SaveGeometry(extension_id, window_id, bounds, screen_bounds, state);
 209
 210   // make sure that immediately reading back geometry works
 211   gfx::Rect new_bounds;
 212   gfx::Rect new_screen_bounds;
 213   ui::WindowShowState new_state = ui::SHOW_STATE_DEFAULT;
 214   ASSERT_TRUE(cache_->GetGeometry(
 215       extension_id, window_id, &new_bounds, &new_screen_bounds, &new_state));
 216   ASSERT_EQ(bounds, new_bounds);
 217   ASSERT_EQ(screen_bounds, new_screen_bounds);
 218   ASSERT_EQ(state, new_state);
 219
 220   // unload extension to force cache to save data to the state store
 221   UnloadExtension(extension_id);
 222
 223   // check if geometry got stored correctly in the state store
 224   const base::DictionaryValue* dict =
 225       prefs_->prefs()->GetGeometryCache(extension_id);
 226   ASSERT_TRUE(dict);
 227
 228   ASSERT_TRUE(dict->HasKey(window_id));
 229   int v;
 230   ASSERT_TRUE(dict->GetInteger(window_id + ".x", &v));
 231   ASSERT_EQ(bounds.x(), v);
 232   ASSERT_TRUE(dict->GetInteger(window_id + ".y", &v));
 233   ASSERT_EQ(bounds.y(), v);
 234   ASSERT_TRUE(dict->GetInteger(window_id + ".w", &v));
 235   ASSERT_EQ(bounds.width(), v);
 236   ASSERT_TRUE(dict->GetInteger(window_id + ".h", &v));
 237   ASSERT_EQ(bounds.height(), v);
 238   ASSERT_TRUE(dict->GetInteger(window_id + ".screen_bounds_x", &v));
 239   ASSERT_EQ(screen_bounds.x(), v);
 240   ASSERT_TRUE(dict->GetInteger(window_id + ".screen_bounds_y", &v));
 241   ASSERT_EQ(screen_bounds.y(), v);
 242   ASSERT_TRUE(dict->GetInteger(window_id + ".screen_bounds_w", &v));
 243   ASSERT_EQ(screen_bounds.width(), v);
 244   ASSERT_TRUE(dict->GetInteger(window_id + ".screen_bounds_h", &v));
 245   ASSERT_EQ(screen_bounds.height(), v);
 246   ASSERT_TRUE(dict->GetInteger(window_id + ".state", &v));
 247   ASSERT_EQ(state, v);
 248
 249   // reload extension
 250   LoadExtension(extension_id);
 251   // and make sure the geometry got reloaded properly too
 252   ASSERT_TRUE(cache_->GetGeometry(
 253       extension_id, window_id, &new_bounds, &new_screen_bounds, &new_state));
 254   ASSERT_EQ(bounds, new_bounds);
 255   ASSERT_EQ(screen_bounds, new_screen_bounds);
 256   ASSERT_EQ(state, new_state);
 257 }
 258
 259 // Tests that we won't do writes to the state store for SaveGeometry calls
 260 // which don't change the state we already have.
 261 TEST_F(AppWindowGeometryCacheTest, NoDuplicateWrites) {
 262   using testing::_;
 263   using testing::Mock;
 264
 265   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 266   gfx::Rect bounds1(100, 200, 300, 400);
 267   gfx::Rect bounds2(200, 400, 600, 800);
 268   gfx::Rect bounds2_duplicate(200, 400, 600, 800);
 269
 270   gfx::Rect screen_bounds1(0, 0, 1600, 900);
 271   gfx::Rect screen_bounds2(0, 0, 1366, 768);
 272   gfx::Rect screen_bounds2_duplicate(0, 0, 1366, 768);
 273
 274   MockPrefChangeCallback observer(prefs_->pref_service());
 275   PrefChangeRegistrar registrar;
 276   registrar.Init(prefs_->pref_service());
 277   registrar.Add("extensions.settings", observer.GetCallback());
 278
 279   // Write the first bounds - it should do > 0 writes.
 280   EXPECT_CALL(observer, OnPreferenceChanged(_));
 281   cache_->SaveGeometry(
 282       extension_id, kWindowId, bounds1, screen_bounds1, ui::SHOW_STATE_NORMAL);
 283   WaitForSync();
 284   Mock::VerifyAndClearExpectations(&observer);
 285
 286   // Write a different bounds - it should also do > 0 writes.
 287   EXPECT_CALL(observer, OnPreferenceChanged(_));
 288   cache_->SaveGeometry(
 289       extension_id, kWindowId, bounds2, screen_bounds1, ui::SHOW_STATE_NORMAL);
 290   WaitForSync();
 291   Mock::VerifyAndClearExpectations(&observer);
 292
 293   // Write a different screen bounds - it should also do > 0 writes.
 294   EXPECT_CALL(observer, OnPreferenceChanged(_));
 295   cache_->SaveGeometry(
 296       extension_id, kWindowId, bounds2, screen_bounds2, ui::SHOW_STATE_NORMAL);
 297   WaitForSync();
 298   Mock::VerifyAndClearExpectations(&observer);
 299
 300   // Write a different state - it should also do > 0 writes.
 301   EXPECT_CALL(observer, OnPreferenceChanged(_));
 302   cache_->SaveGeometry(extension_id,
 303                        kWindowId,
 304                        bounds2,
 305                        screen_bounds2,
 306                        ui::SHOW_STATE_MAXIMIZED);
 307   WaitForSync();
 308   Mock::VerifyAndClearExpectations(&observer);
 309
 310   // Write a bounds, screen bounds and state that's a duplicate of what we
 311   // already have. This should not do any writes.
 312   EXPECT_CALL(observer, OnPreferenceChanged(_)).Times(0);
 313   cache_->SaveGeometry(extension_id,
 314                        kWindowId,
 315                        bounds2_duplicate,
 316                        screen_bounds2_duplicate,
 317                        ui::SHOW_STATE_MAXIMIZED);
 318   WaitForSync();
 319   Mock::VerifyAndClearExpectations(&observer);
 320 }
 321
 322 // Tests that no more than kMaxCachedWindows windows will be cached.
 323 TEST_F(AppWindowGeometryCacheTest, MaxWindows) {
 324   const std::string extension_id = prefs_->AddExtensionAndReturnId("ext1");
 325   // inform cache of extension
 326   LoadExtension(extension_id);
 327
 328   gfx::Rect bounds(4, 5, 31, 43);
 329   gfx::Rect screen_bounds(0, 0, 1600, 900);
 330   for (size_t i = 0; i < AppWindowGeometryCache::kMaxCachedWindows + 1; ++i) {
 331     std::string window_id = "window_" + base::IntToString(i);
 332     cache_->SaveGeometry(
 333         extension_id, window_id, bounds, screen_bounds, ui::SHOW_STATE_NORMAL);
 334   }
 335
 336   // The first added window should no longer have cached geometry.
 337   EXPECT_FALSE(cache_->GetGeometry(extension_id, "window_0", NULL, NULL, NULL));
 338   // All other windows should still exist.
 339   for (size_t i = 1; i < AppWindowGeometryCache::kMaxCachedWindows + 1; ++i) {
 340     std::string window_id = "window_" + base::IntToString(i);
 341     EXPECT_TRUE(cache_->GetGeometry(extension_id, window_id, NULL, NULL, NULL));
 342   }
 343 }
 344
 345 }  // namespace extensions