chrome/browser/sync/sessions/sessions_sync_manager_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 "chrome/browser/sync/sessions/sessions_sync_manager.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "chrome/browser/chrome_notification_types.h"
   9 #include "chrome/browser/sessions/session_tab_helper.h"
  10 #include "chrome/browser/sync/glue/session_sync_test_helper.h"
  11 #include "chrome/browser/sync/glue/synced_tab_delegate.h"
  12 #include "chrome/browser/sync/glue/synced_window_delegate.h"
  13 #include "chrome/browser/sync/sessions/notification_service_sessions_router.h"
  14 #include "chrome/browser/sync/sessions/sessions_util.h"
  15 #include "chrome/browser/sync/sessions/synced_window_delegates_getter.h"
  16 #include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
  17 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  18 #include "chrome/test/base/browser_with_test_window_test.h"
  19 #include "components/sessions/serialized_navigation_entry_test_helper.h"
  20 #include "components/sessions/session_id.h"
  21 #include "components/sessions/session_types.h"
  22 #include "components/sync_driver/device_info.h"
  23 #include "components/sync_driver/local_device_info_provider_mock.h"
  24 #include "content/public/browser/navigation_entry.h"
  25 #include "content/public/browser/notification_details.h"
  26 #include "content/public/browser/notification_service.h"
  27 #include "content/public/browser/notification_source.h"
  28 #include "content/public/browser/web_contents.h"
  29 #include "sync/api/attachments/attachment_id.h"
  30 #include "sync/api/sync_error_factory_mock.h"
  31 #include "sync/internal_api/public/attachments/attachment_service_proxy_for_test.h"
  32 #include "testing/gmock/include/gmock/gmock.h"
  33 #include "testing/gtest/include/gtest/gtest.h"
  34
  35 using content::WebContents;
  36 using sessions::SerializedNavigationEntry;
  37 using sessions::SerializedNavigationEntryTestHelper;
  38 using sync_driver::DeviceInfo;
  39 using sync_driver::LocalDeviceInfoProvider;
  40 using sync_driver::LocalDeviceInfoProviderMock;
  41 using syncer::SyncChange;
  42 using syncer::SyncData;
  43
  44 namespace browser_sync {
  45
  46 namespace {
  47
  48 class SyncedWindowDelegateOverride : public SyncedWindowDelegate {
  49  public:
  50   explicit SyncedWindowDelegateOverride(const SyncedWindowDelegate* wrapped)
  51       : wrapped_(wrapped) {
  52   }
  53   ~SyncedWindowDelegateOverride() override {}
  54
  55   bool HasWindow() const override { return wrapped_->HasWindow(); }
  56
  57   SessionID::id_type GetSessionId() const override {
  58     return wrapped_->GetSessionId();
  59   }
  60
  61   int GetTabCount() const override { return wrapped_->GetTabCount(); }
  62
  63   int GetActiveIndex() const override { return wrapped_->GetActiveIndex(); }
  64
  65   bool IsApp() const override { return wrapped_->IsApp(); }
  66
  67   bool IsTypeTabbed() const override { return wrapped_->IsTypeTabbed(); }
  68
  69   bool IsTypePopup() const override { return wrapped_->IsTypePopup(); }
  70
  71   bool IsTabPinned(const SyncedTabDelegate* tab) const override {
  72     return wrapped_->IsTabPinned(tab);
  73   }
  74
  75   SyncedTabDelegate* GetTabAt(int index) const override {
  76     if (tab_overrides_.find(index) != tab_overrides_.end())
  77       return tab_overrides_.find(index)->second;
  78
  79     return wrapped_->GetTabAt(index);
  80   }
  81
  82   void OverrideTabAt(int index,
  83                      SyncedTabDelegate* delegate,
  84                      SessionID::id_type tab_id) {
  85     tab_overrides_[index] = delegate;
  86     tab_id_overrides_[index] = tab_id;
  87   }
  88
  89   SessionID::id_type GetTabIdAt(int index) const override {
  90     if (tab_id_overrides_.find(index) != tab_id_overrides_.end())
  91       return tab_id_overrides_.find(index)->second;
  92     return wrapped_->GetTabIdAt(index);
  93   }
  94
  95   bool IsSessionRestoreInProgress() const override {
  96     return wrapped_->IsSessionRestoreInProgress();
  97   }
  98
  99   bool ShouldSync() const override { return wrapped_->ShouldSync(); }
 100
 101  private:
 102   std::map<int, SyncedTabDelegate*> tab_overrides_;
 103   std::map<int, SessionID::id_type> tab_id_overrides_;
 104   const SyncedWindowDelegate* const wrapped_;
 105 };
 106
 107 class TestSyncedWindowDelegatesGetter : public SyncedWindowDelegatesGetter {
 108  public:
 109   TestSyncedWindowDelegatesGetter(
 110       const std::set<const SyncedWindowDelegate*>& delegates)
 111       : delegates_(delegates) {}
 112
 113   std::set<const SyncedWindowDelegate*> GetSyncedWindowDelegates() override {
 114     return delegates_;
 115   }
 116  private:
 117   const std::set<const SyncedWindowDelegate*> delegates_;
 118 };
 119
 120 class TestSyncProcessorStub : public syncer::SyncChangeProcessor {
 121  public:
 122   explicit TestSyncProcessorStub(syncer::SyncChangeList* output)
 123       : output_(output) {}
 124   syncer::SyncError ProcessSyncChanges(
 125       const tracked_objects::Location& from_here,
 126       const syncer::SyncChangeList& change_list) override {
 127     if (error_.IsSet()) {
 128       syncer::SyncError error = error_;
 129       error_ = syncer::SyncError();
 130       return error;
 131     }
 132
 133     if (output_)
 134       output_->insert(output_->end(), change_list.begin(), change_list.end());
 135
 136     return syncer::SyncError();
 137   }
 138
 139   syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const override {
 140     return sync_data_to_return_;
 141   }
 142
 143   void FailProcessSyncChangesWith(const syncer::SyncError& error) {
 144     error_ = error;
 145   }
 146
 147   void SetSyncDataToReturn(const syncer::SyncDataList& data) {
 148     sync_data_to_return_ = data;
 149   }
 150
 151  private:
 152   syncer::SyncError error_;
 153   syncer::SyncChangeList* output_;
 154   syncer::SyncDataList sync_data_to_return_;
 155 };
 156
 157 syncer::SyncChange MakeRemoteChange(
 158     int64 id,
 159     const sync_pb::SessionSpecifics& specifics,
 160     SyncChange::SyncChangeType type) {
 161   sync_pb::EntitySpecifics entity;
 162   entity.mutable_session()->CopyFrom(specifics);
 163   return syncer::SyncChange(
 164       FROM_HERE,
 165       type,
 166       syncer::SyncData::CreateRemoteData(
 167           id,
 168           entity,
 169           base::Time(),
 170           syncer::AttachmentIdList(),
 171           syncer::AttachmentServiceProxyForTest::Create()));
 172 }
 173
 174 void AddTabsToChangeList(
 175       const std::vector<sync_pb::SessionSpecifics>& batch,
 176       SyncChange::SyncChangeType type,
 177       syncer::SyncChangeList* change_list) {
 178   std::vector<sync_pb::SessionSpecifics>::const_iterator iter;
 179   for (iter = batch.begin();
 180        iter != batch.end(); ++iter) {
 181     sync_pb::EntitySpecifics entity;
 182     entity.mutable_session()->CopyFrom(*iter);
 183     change_list->push_back(syncer::SyncChange(
 184         FROM_HERE,
 185         type,
 186         syncer::SyncData::CreateRemoteData(
 187             iter->tab_node_id(),
 188             entity,
 189             base::Time(),
 190             syncer::AttachmentIdList(),
 191             syncer::AttachmentServiceProxyForTest::Create())));
 192   }
 193 }
 194
 195 void AddTabsToSyncDataList(const std::vector<sync_pb::SessionSpecifics> tabs,
 196                            syncer::SyncDataList* list) {
 197   for (size_t i = 0; i < tabs.size(); i++) {
 198     sync_pb::EntitySpecifics entity;
 199     entity.mutable_session()->CopyFrom(tabs[i]);
 200     list->push_back(SyncData::CreateRemoteData(
 201         i + 2,
 202         entity,
 203         base::Time(),
 204         syncer::AttachmentIdList(),
 205         syncer::AttachmentServiceProxyForTest::Create()));
 206   }
 207 }
 208
 209 // Creates a field trial with the specified |trial_name| and |group_name| and
 210 // registers an associated |variation_id| for it for the given |service|.
 211 void CreateAndActivateFieldTrial(const std::string& trial_name,
 212                                  const std::string& group_name,
 213                                  variations::VariationID variation_id,
 214                                  variations::IDCollectionKey service) {
 215   base::FieldTrialList::CreateFieldTrial(trial_name, group_name);
 216   variations::AssociateGoogleVariationID(service, trial_name, group_name,
 217                                          variation_id);
 218   // Access the trial to activate it.
 219   base::FieldTrialList::FindFullName(trial_name);
 220 }
 221
 222 class DummyRouter : public LocalSessionEventRouter {
 223  public:
 224   ~DummyRouter() override {}
 225   void StartRoutingTo(LocalSessionEventHandler* handler) override {}
 226   void Stop() override {}
 227 };
 228
 229 scoped_ptr<LocalSessionEventRouter> NewDummyRouter() {
 230   return scoped_ptr<LocalSessionEventRouter>(new DummyRouter());
 231 }
 232
 233 }  // namespace
 234
 235 class SessionsSyncManagerTest
 236     : public BrowserWithTestWindowTest {
 237  public:
 238   SessionsSyncManagerTest()
 239       : test_processor_(NULL) {
 240     local_device_.reset(new LocalDeviceInfoProviderMock(
 241         "cache_guid",
 242         "Wayne Gretzky's Hacking Box",
 243         "Chromium 10k",
 244         "Chrome 10k",
 245         sync_pb::SyncEnums_DeviceType_TYPE_LINUX,
 246         "device_id"));
 247   }
 248
 249   void SetUp() override {
 250     BrowserWithTestWindowTest::SetUp();
 251     browser_sync::NotificationServiceSessionsRouter* router(
 252         new browser_sync::NotificationServiceSessionsRouter(
 253             profile(), syncer::SyncableService::StartSyncFlare()));
 254     manager_.reset(new SessionsSyncManager(profile(), local_device_.get(),
 255       scoped_ptr<LocalSessionEventRouter>(router)));
 256   }
 257
 258   void TearDown() override {
 259     test_processor_ = NULL;
 260     helper()->Reset();
 261     manager_.reset();
 262     BrowserWithTestWindowTest::TearDown();
 263   }
 264
 265   const DeviceInfo* GetLocalDeviceInfo() {
 266     return local_device_->GetLocalDeviceInfo();
 267   }
 268
 269   SessionsSyncManager* manager() { return manager_.get(); }
 270   SessionSyncTestHelper* helper() { return &helper_; }
 271   LocalDeviceInfoProvider* local_device() { return local_device_.get(); }
 272
 273   void InitWithSyncDataTakeOutput(const syncer::SyncDataList& initial_data,
 274                                   syncer::SyncChangeList* output) {
 275     test_processor_ = new TestSyncProcessorStub(output);
 276     syncer::SyncMergeResult result = manager_->MergeDataAndStartSyncing(
 277         syncer::SESSIONS, initial_data,
 278         scoped_ptr<syncer::SyncChangeProcessor>(test_processor_),
 279         scoped_ptr<syncer::SyncErrorFactory>(
 280             new syncer::SyncErrorFactoryMock()));
 281     EXPECT_FALSE(result.error().IsSet());
 282   }
 283
 284   void InitWithNoSyncData() {
 285     InitWithSyncDataTakeOutput(syncer::SyncDataList(), NULL);
 286   }
 287
 288   void TriggerProcessSyncChangesError() {
 289     test_processor_->FailProcessSyncChangesWith(syncer::SyncError(
 290         FROM_HERE, syncer::SyncError::DATATYPE_ERROR, "Error",
 291         syncer::SESSIONS));
 292   }
 293
 294   void SetSyncData(const syncer::SyncDataList& data) {
 295      test_processor_->SetSyncDataToReturn(data);
 296   }
 297
 298   syncer::SyncChangeList* FilterOutLocalHeaderChanges(
 299       syncer::SyncChangeList* list) {
 300     syncer::SyncChangeList::iterator it = list->begin();
 301     bool found = false;
 302     while (it != list->end()) {
 303       if (syncer::SyncDataLocal(it->sync_data()).GetTag() ==
 304           manager_->current_machine_tag()) {
 305         EXPECT_TRUE(SyncChange::ACTION_ADD == it->change_type() ||
 306                     SyncChange::ACTION_UPDATE == it->change_type());
 307         it = list->erase(it);
 308         found = true;
 309       } else {
 310         ++it;
 311       }
 312     }
 313     EXPECT_TRUE(found);
 314     return list;
 315   }
 316
 317  private:
 318   scoped_ptr<SessionsSyncManager> manager_;
 319   SessionSyncTestHelper helper_;
 320   TestSyncProcessorStub* test_processor_;
 321   scoped_ptr<LocalDeviceInfoProviderMock> local_device_;
 322 };
 323
 324 // Test that the SyncSessionManager can properly fill in a SessionHeader.
 325 TEST_F(SessionsSyncManagerTest, PopulateSessionHeader) {
 326   sync_pb::SessionHeader header_s;
 327   header_s.set_client_name("Client 1");
 328   header_s.set_device_type(sync_pb::SyncEnums_DeviceType_TYPE_WIN);
 329
 330   SyncedSession session;
 331   base::Time time = base::Time::Now();
 332   SessionsSyncManager::PopulateSessionHeaderFromSpecifics(
 333       header_s, time, &session);
 334   ASSERT_EQ("Client 1", session.session_name);
 335   ASSERT_EQ(SyncedSession::TYPE_WIN, session.device_type);
 336   ASSERT_EQ(time, session.modified_time);
 337 }
 338
 339 // Test translation between protobuf types and chrome session types.
 340 TEST_F(SessionsSyncManagerTest, PopulateSessionWindow) {
 341   sync_pb::SessionWindow window_s;
 342   window_s.add_tab(0);
 343   window_s.set_browser_type(sync_pb::SessionWindow_BrowserType_TYPE_TABBED);
 344   window_s.set_selected_tab_index(1);
 345
 346   std::string tag = "tag";
 347   SyncedSession* session = manager()->session_tracker_.GetSession(tag);
 348   manager()->session_tracker_.PutWindowInSession(tag, 0);
 349   manager()->BuildSyncedSessionFromSpecifics(
 350       tag, window_s, base::Time(), session->windows[0]);
 351   ASSERT_EQ(1U, session->windows[0]->tabs.size());
 352   ASSERT_EQ(1, session->windows[0]->selected_tab_index);
 353   ASSERT_EQ(sessions::SessionWindow::TYPE_TABBED, session->windows[0]->type);
 354   ASSERT_EQ(1U, manager()->session_tracker_.num_synced_sessions());
 355   ASSERT_EQ(1U,
 356             manager()->session_tracker_.num_synced_tabs(std::string("tag")));
 357 }
 358
 359 namespace {
 360
 361 class SyncedTabDelegateFake : public SyncedTabDelegate {
 362  public:
 363   SyncedTabDelegateFake() : current_entry_index_(0),
 364                             pending_entry_index_(-1),
 365                             is_supervised_(false),
 366                             sync_id_(-1),
 367                             blocked_navigations_(NULL) {}
 368   ~SyncedTabDelegateFake() override {}
 369
 370   int GetCurrentEntryIndex() const override { return current_entry_index_; }
 371   void set_current_entry_index(int i) {
 372     current_entry_index_ = i;
 373   }
 374
 375   content::NavigationEntry* GetEntryAtIndex(int i) const override {
 376     const int size = entries_.size();
 377     return (size < i + 1) ? NULL : entries_[i];
 378   }
 379
 380   void AppendEntry(content::NavigationEntry* entry) {
 381     entries_.push_back(entry);
 382   }
 383
 384   int GetEntryCount() const override { return entries_.size(); }
 385
 386   int GetPendingEntryIndex() const override { return pending_entry_index_; }
 387   void set_pending_entry_index(int i) {
 388     pending_entry_index_ = i;
 389   }
 390
 391   SessionID::id_type GetWindowId() const override {
 392     return SessionID::id_type();
 393   }
 394
 395   SessionID::id_type GetSessionId() const override {
 396     return SessionID::id_type();
 397   }
 398
 399   bool IsBeingDestroyed() const override { return false; }
 400   Profile* profile() const override { return NULL; }
 401   std::string GetExtensionAppId() const override { return std::string(); }
 402   content::NavigationEntry* GetPendingEntry() const override { return NULL; }
 403   content::NavigationEntry* GetActiveEntry() const override { return NULL; }
 404   bool ProfileIsSupervised() const override { return is_supervised_; }
 405   void set_is_supervised(bool is_supervised) { is_supervised_ = is_supervised; }
 406   const std::vector<const content::NavigationEntry*>* GetBlockedNavigations()
 407       const override {
 408     return blocked_navigations_;
 409   }
 410   void set_blocked_navigations(
 411       std::vector<const content::NavigationEntry*>* navs) {
 412     blocked_navigations_ = navs;
 413   }
 414   bool IsPinned() const override { return false; }
 415   bool HasWebContents() const override { return false; }
 416   content::WebContents* GetWebContents() const override { return NULL; }
 417
 418   // Session sync related methods.
 419   int GetSyncId() const override { return sync_id_; }
 420   void SetSyncId(int sync_id) override { sync_id_ = sync_id; }
 421
 422   bool ShouldSync() const override {
 423     return sessions_util::ShouldSyncTab(*this);
 424   }
 425
 426   void reset() {
 427     current_entry_index_ = 0;
 428     pending_entry_index_ = -1;
 429     sync_id_ = -1;
 430     entries_.clear();
 431   }
 432
 433  private:
 434    int current_entry_index_;
 435    int pending_entry_index_;
 436    bool is_supervised_;
 437    int sync_id_;
 438    std::vector<const content::NavigationEntry*>* blocked_navigations_;
 439    ScopedVector<content::NavigationEntry> entries_;
 440 };
 441
 442 }  // namespace
 443
 444 // Test that we exclude tabs with only chrome:// and file:// schemed navigations
 445 // from ShouldSyncTab(..).
 446 TEST_F(SessionsSyncManagerTest, ValidTabs) {
 447   SyncedTabDelegateFake tab;
 448
 449   // A null entry shouldn't crash.
 450   tab.AppendEntry(NULL);
 451   EXPECT_FALSE(tab.ShouldSync());
 452   tab.reset();
 453
 454   // A chrome:// entry isn't valid.
 455   content::NavigationEntry* entry(content::NavigationEntry::Create());
 456   entry->SetVirtualURL(GURL("chrome://preferences/"));
 457   tab.AppendEntry(entry);
 458   EXPECT_FALSE(tab.ShouldSync());
 459
 460
 461   // A file:// entry isn't valid, even in addition to another entry.
 462   content::NavigationEntry* entry2(content::NavigationEntry::Create());
 463   entry2->SetVirtualURL(GURL("file://bla"));
 464   tab.AppendEntry(entry2);
 465   EXPECT_FALSE(tab.ShouldSync());
 466
 467   // Add a valid scheme entry to tab, making the tab valid.
 468   content::NavigationEntry* entry3(content::NavigationEntry::Create());
 469   entry3->SetVirtualURL(GURL("http://www.google.com"));
 470   tab.AppendEntry(entry3);
 471   EXPECT_FALSE(tab.ShouldSync());
 472 }
 473
 474 // Make sure GetCurrentVirtualURL() returns the virtual URL of the pending
 475 // entry if the current entry is pending.
 476 TEST_F(SessionsSyncManagerTest, GetCurrentVirtualURLPending) {
 477   SyncedTabDelegateFake tab;
 478   content::NavigationEntry* entry(content::NavigationEntry::Create());
 479   entry->SetVirtualURL(GURL("http://www.google.com"));
 480   tab.AppendEntry(entry);
 481   EXPECT_EQ(entry->GetVirtualURL(), manager()->GetCurrentVirtualURL(tab));
 482 }
 483
 484 // Make sure GetCurrentVirtualURL() returns the virtual URL of the current
 485 // entry if the current entry is non-pending.
 486 TEST_F(SessionsSyncManagerTest, GetCurrentVirtualURLNonPending) {
 487   SyncedTabDelegateFake tab;
 488   content::NavigationEntry* entry(content::NavigationEntry::Create());
 489   entry->SetVirtualURL(GURL("http://www.google.com"));
 490   tab.AppendEntry(entry);
 491   EXPECT_EQ(entry->GetVirtualURL(), manager()->GetCurrentVirtualURL(tab));
 492 }
 493
 494 static const base::Time kTime0 = base::Time::FromInternalValue(100);
 495 static const base::Time kTime1 = base::Time::FromInternalValue(110);
 496 static const base::Time kTime2 = base::Time::FromInternalValue(120);
 497 static const base::Time kTime3 = base::Time::FromInternalValue(130);
 498 static const base::Time kTime4 = base::Time::FromInternalValue(140);
 499 static const base::Time kTime5 = base::Time::FromInternalValue(150);
 500 static const base::Time kTime6 = base::Time::FromInternalValue(160);
 501 static const base::Time kTime7 = base::Time::FromInternalValue(170);
 502 static const base::Time kTime8 = base::Time::FromInternalValue(180);
 503 static const base::Time kTime9 = base::Time::FromInternalValue(190);
 504
 505 // Populate the mock tab delegate with some data and navigation
 506 // entries and make sure that setting a SessionTab from it preserves
 507 // those entries (and clobbers any existing data).
 508 TEST_F(SessionsSyncManagerTest, SetSessionTabFromDelegate) {
 509   // Create a tab with three valid entries.
 510   SyncedTabDelegateFake tab;
 511   content::NavigationEntry* entry1(content::NavigationEntry::Create());
 512   entry1->SetVirtualURL(GURL("http://www.google.com"));
 513   entry1->SetTimestamp(kTime1);
 514   entry1->SetHttpStatusCode(200);
 515   content::NavigationEntry* entry2(content::NavigationEntry::Create());
 516   entry2->SetVirtualURL(GURL("http://www.noodle.com"));
 517   entry2->SetTimestamp(kTime2);
 518   entry2->SetHttpStatusCode(201);
 519   content::NavigationEntry* entry3(content::NavigationEntry::Create());
 520   entry3->SetVirtualURL(GURL("http://www.doodle.com"));
 521   entry3->SetTimestamp(kTime3);
 522   entry3->SetHttpStatusCode(202);
 523
 524   tab.AppendEntry(entry1);
 525   tab.AppendEntry(entry2);
 526   tab.AppendEntry(entry3);
 527   tab.set_current_entry_index(2);
 528
 529   sessions::SessionTab session_tab;
 530   session_tab.window_id.set_id(1);
 531   session_tab.tab_id.set_id(1);
 532   session_tab.tab_visual_index = 1;
 533   session_tab.current_navigation_index = 1;
 534   session_tab.pinned = true;
 535   session_tab.extension_app_id = "app id";
 536   session_tab.user_agent_override = "override";
 537   session_tab.timestamp = kTime5;
 538   session_tab.navigations.push_back(
 539       SerializedNavigationEntryTestHelper::CreateNavigation(
 540           "http://www.example.com", "Example"));
 541   session_tab.session_storage_persistent_id = "persistent id";
 542   manager()->SetSessionTabFromDelegate(tab, kTime4, &session_tab);
 543
 544   EXPECT_EQ(0, session_tab.window_id.id());
 545   EXPECT_EQ(0, session_tab.tab_id.id());
 546   EXPECT_EQ(0, session_tab.tab_visual_index);
 547   EXPECT_EQ(2, session_tab.current_navigation_index);
 548   EXPECT_FALSE(session_tab.pinned);
 549   EXPECT_TRUE(session_tab.extension_app_id.empty());
 550   EXPECT_TRUE(session_tab.user_agent_override.empty());
 551   EXPECT_EQ(kTime4, session_tab.timestamp);
 552   ASSERT_EQ(3u, session_tab.navigations.size());
 553   EXPECT_EQ(entry1->GetVirtualURL(),
 554             session_tab.navigations[0].virtual_url());
 555   EXPECT_EQ(entry2->GetVirtualURL(),
 556             session_tab.navigations[1].virtual_url());
 557   EXPECT_EQ(entry3->GetVirtualURL(),
 558             session_tab.navigations[2].virtual_url());
 559   EXPECT_EQ(kTime1, session_tab.navigations[0].timestamp());
 560   EXPECT_EQ(kTime2, session_tab.navigations[1].timestamp());
 561   EXPECT_EQ(kTime3, session_tab.navigations[2].timestamp());
 562   EXPECT_EQ(200, session_tab.navigations[0].http_status_code());
 563   EXPECT_EQ(201, session_tab.navigations[1].http_status_code());
 564   EXPECT_EQ(202, session_tab.navigations[2].http_status_code());
 565   EXPECT_EQ(SerializedNavigationEntry::STATE_INVALID,
 566             session_tab.navigations[0].blocked_state());
 567   EXPECT_EQ(SerializedNavigationEntry::STATE_INVALID,
 568             session_tab.navigations[1].blocked_state());
 569   EXPECT_EQ(SerializedNavigationEntry::STATE_INVALID,
 570             session_tab.navigations[2].blocked_state());
 571   EXPECT_TRUE(session_tab.session_storage_persistent_id.empty());
 572 }
 573
 574 // Ensure the current_navigation_index gets set properly when the navigation
 575 // stack gets trucated to +/- 6 entries.
 576 TEST_F(SessionsSyncManagerTest, SetSessionTabFromDelegateNavigationIndex) {
 577   SyncedTabDelegateFake tab;
 578   content::NavigationEntry* entry0(content::NavigationEntry::Create());
 579   entry0->SetVirtualURL(GURL("http://www.google.com"));
 580   entry0->SetTimestamp(kTime0);
 581   entry0->SetHttpStatusCode(200);
 582   content::NavigationEntry* entry1(content::NavigationEntry::Create());
 583   entry1->SetVirtualURL(GURL("http://www.zoogle.com"));
 584   entry1->SetTimestamp(kTime1);
 585   entry1->SetHttpStatusCode(200);
 586   content::NavigationEntry* entry2(content::NavigationEntry::Create());
 587   entry2->SetVirtualURL(GURL("http://www.noogle.com"));
 588   entry2->SetTimestamp(kTime2);
 589   entry2->SetHttpStatusCode(200);
 590   content::NavigationEntry* entry3(content::NavigationEntry::Create());
 591   entry3->SetVirtualURL(GURL("http://www.doogle.com"));
 592   entry3->SetTimestamp(kTime3);
 593   entry3->SetHttpStatusCode(200);
 594   content::NavigationEntry* entry4(content::NavigationEntry::Create());
 595   entry4->SetVirtualURL(GURL("http://www.yoogle.com"));
 596   entry4->SetTimestamp(kTime4);
 597   entry4->SetHttpStatusCode(200);
 598   content::NavigationEntry* entry5(content::NavigationEntry::Create());
 599   entry5->SetVirtualURL(GURL("http://www.foogle.com"));
 600   entry5->SetTimestamp(kTime5);
 601   entry5->SetHttpStatusCode(200);
 602   content::NavigationEntry* entry6(content::NavigationEntry::Create());
 603   entry6->SetVirtualURL(GURL("http://www.boogle.com"));
 604   entry6->SetTimestamp(kTime6);
 605   entry6->SetHttpStatusCode(200);
 606   content::NavigationEntry* entry7(content::NavigationEntry::Create());
 607   entry7->SetVirtualURL(GURL("http://www.moogle.com"));
 608   entry7->SetTimestamp(kTime7);
 609   entry7->SetHttpStatusCode(200);
 610   content::NavigationEntry* entry8(content::NavigationEntry::Create());
 611   entry8->SetVirtualURL(GURL("http://www.poogle.com"));
 612   entry8->SetTimestamp(kTime8);
 613   entry8->SetHttpStatusCode(200);
 614   content::NavigationEntry* entry9(content::NavigationEntry::Create());
 615   entry9->SetVirtualURL(GURL("http://www.roogle.com"));
 616   entry9->SetTimestamp(kTime9);
 617   entry9->SetHttpStatusCode(200);
 618
 619   tab.AppendEntry(entry0);
 620   tab.AppendEntry(entry1);
 621   tab.AppendEntry(entry2);
 622   tab.AppendEntry(entry3);
 623   tab.AppendEntry(entry4);
 624   tab.AppendEntry(entry5);
 625   tab.AppendEntry(entry6);
 626   tab.AppendEntry(entry7);
 627   tab.AppendEntry(entry8);
 628   tab.AppendEntry(entry9);
 629   tab.set_current_entry_index(8);
 630
 631   sessions::SessionTab session_tab;
 632   manager()->SetSessionTabFromDelegate(tab, kTime9, &session_tab);
 633
 634   EXPECT_EQ(6, session_tab.current_navigation_index);
 635   ASSERT_EQ(8u, session_tab.navigations.size());
 636   EXPECT_EQ(entry2->GetVirtualURL(),
 637             session_tab.navigations[0].virtual_url());
 638   EXPECT_EQ(entry3->GetVirtualURL(),
 639             session_tab.navigations[1].virtual_url());
 640   EXPECT_EQ(entry4->GetVirtualURL(),
 641             session_tab.navigations[2].virtual_url());
 642 }
 643
 644 // Ensure the current_navigation_index gets set to the end of the navigation
 645 // stack if the current navigation is invalid.
 646 TEST_F(SessionsSyncManagerTest, SetSessionTabFromDelegateCurrentInvalid) {
 647   SyncedTabDelegateFake tab;
 648   content::NavigationEntry* entry0(content::NavigationEntry::Create());
 649   entry0->SetVirtualURL(GURL("http://www.google.com"));
 650   entry0->SetTimestamp(kTime0);
 651   entry0->SetHttpStatusCode(200);
 652   content::NavigationEntry* entry1(content::NavigationEntry::Create());
 653   entry1->SetVirtualURL(GURL(""));
 654   entry1->SetTimestamp(kTime1);
 655   entry1->SetHttpStatusCode(200);
 656   content::NavigationEntry* entry2(content::NavigationEntry::Create());
 657   entry2->SetVirtualURL(GURL("http://www.noogle.com"));
 658   entry2->SetTimestamp(kTime2);
 659   entry2->SetHttpStatusCode(200);
 660   content::NavigationEntry* entry3(content::NavigationEntry::Create());
 661   entry3->SetVirtualURL(GURL("http://www.doogle.com"));
 662   entry3->SetTimestamp(kTime3);
 663   entry3->SetHttpStatusCode(200);
 664
 665   tab.AppendEntry(entry0);
 666   tab.AppendEntry(entry1);
 667   tab.AppendEntry(entry2);
 668   tab.AppendEntry(entry3);
 669   tab.set_current_entry_index(1);
 670
 671   sessions::SessionTab session_tab;
 672   manager()->SetSessionTabFromDelegate(tab, kTime9, &session_tab);
 673
 674   EXPECT_EQ(2, session_tab.current_navigation_index);
 675   ASSERT_EQ(3u, session_tab.navigations.size());
 676 }
 677
 678 // Tests that variation ids are set correctly.
 679 TEST_F(SessionsSyncManagerTest, SetVariationIds) {
 680   // Create two trials with a group which has a variation id for Chrome Sync
 681   // and one with a variation id for another service.
 682   const variations::VariationID kVariationId1 = 3300200;
 683   const variations::VariationID kVariationId2 = 3300300;
 684   const variations::VariationID kVariationId3 = 3300400;
 685
 686   base::FieldTrialList field_trial_list(NULL);
 687   CreateAndActivateFieldTrial("trial name 1", "group name", kVariationId1,
 688                               variations::CHROME_SYNC_SERVICE);
 689   CreateAndActivateFieldTrial("trial name 2", "group name", kVariationId2,
 690                               variations::CHROME_SYNC_SERVICE);
 691   CreateAndActivateFieldTrial("trial name 3", "group name", kVariationId3,
 692                               variations::GOOGLE_UPDATE_SERVICE);
 693
 694   sessions::SessionTab session_tab;
 695   manager()->SetVariationIds(&session_tab);
 696
 697   ASSERT_EQ(2u, session_tab.variation_ids.size());
 698   EXPECT_EQ(kVariationId1, session_tab.variation_ids[0]);
 699   EXPECT_EQ(kVariationId2, session_tab.variation_ids[1]);
 700 }
 701
 702 // Tests that for supervised users blocked navigations are recorded and marked
 703 // as such, while regular navigations are marked as allowed.
 704 TEST_F(SessionsSyncManagerTest, BlockedNavigations) {
 705   SyncedTabDelegateFake tab;
 706   content::NavigationEntry* entry1(content::NavigationEntry::Create());
 707   entry1->SetVirtualURL(GURL("http://www.google.com"));
 708   entry1->SetTimestamp(kTime1);
 709   tab.AppendEntry(entry1);
 710
 711   content::NavigationEntry* entry2 = content::NavigationEntry::Create();
 712   entry2->SetVirtualURL(GURL("http://blocked.com/foo"));
 713   entry2->SetTimestamp(kTime2);
 714   content::NavigationEntry* entry3 = content::NavigationEntry::Create();
 715   entry3->SetVirtualURL(GURL("http://evil.com"));
 716   entry3->SetTimestamp(kTime3);
 717   ScopedVector<const content::NavigationEntry> blocked_navigations;
 718   blocked_navigations.push_back(entry2);
 719   blocked_navigations.push_back(entry3);
 720
 721   tab.set_is_supervised(true);
 722   tab.set_blocked_navigations(&blocked_navigations.get());
 723
 724   sessions::SessionTab session_tab;
 725   session_tab.window_id.set_id(1);
 726   session_tab.tab_id.set_id(1);
 727   session_tab.tab_visual_index = 1;
 728   session_tab.current_navigation_index = 1;
 729   session_tab.pinned = true;
 730   session_tab.extension_app_id = "app id";
 731   session_tab.user_agent_override = "override";
 732   session_tab.timestamp = kTime5;
 733   session_tab.navigations.push_back(
 734       SerializedNavigationEntryTestHelper::CreateNavigation(
 735           "http://www.example.com", "Example"));
 736   session_tab.session_storage_persistent_id = "persistent id";
 737   manager()->SetSessionTabFromDelegate(tab, kTime4, &session_tab);
 738
 739   EXPECT_EQ(0, session_tab.window_id.id());
 740   EXPECT_EQ(0, session_tab.tab_id.id());
 741   EXPECT_EQ(0, session_tab.tab_visual_index);
 742   EXPECT_EQ(0, session_tab.current_navigation_index);
 743   EXPECT_FALSE(session_tab.pinned);
 744   EXPECT_TRUE(session_tab.extension_app_id.empty());
 745   EXPECT_TRUE(session_tab.user_agent_override.empty());
 746   EXPECT_EQ(kTime4, session_tab.timestamp);
 747   ASSERT_EQ(3u, session_tab.navigations.size());
 748   EXPECT_EQ(entry1->GetVirtualURL(),
 749             session_tab.navigations[0].virtual_url());
 750   EXPECT_EQ(entry2->GetVirtualURL(),
 751             session_tab.navigations[1].virtual_url());
 752   EXPECT_EQ(entry3->GetVirtualURL(),
 753             session_tab.navigations[2].virtual_url());
 754   EXPECT_EQ(kTime1, session_tab.navigations[0].timestamp());
 755   EXPECT_EQ(kTime2, session_tab.navigations[1].timestamp());
 756   EXPECT_EQ(kTime3, session_tab.navigations[2].timestamp());
 757   EXPECT_EQ(SerializedNavigationEntry::STATE_ALLOWED,
 758             session_tab.navigations[0].blocked_state());
 759   EXPECT_EQ(SerializedNavigationEntry::STATE_BLOCKED,
 760             session_tab.navigations[1].blocked_state());
 761   EXPECT_EQ(SerializedNavigationEntry::STATE_BLOCKED,
 762             session_tab.navigations[2].blocked_state());
 763   EXPECT_TRUE(session_tab.session_storage_persistent_id.empty());
 764 }
 765
 766 // Tests that the local session header objects is created properly in
 767 // presence of no other session activity, once and only once.
 768 TEST_F(SessionsSyncManagerTest, MergeLocalSessionNoTabs) {
 769   syncer::SyncChangeList out;
 770   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
 771   EXPECT_FALSE(manager()->current_machine_tag().empty());
 772
 773   EXPECT_EQ(2U, out.size());
 774   EXPECT_TRUE(out[0].IsValid());
 775   EXPECT_EQ(SyncChange::ACTION_ADD, out[0].change_type());
 776   const SyncData data(out[0].sync_data());
 777   EXPECT_EQ(manager()->current_machine_tag(),
 778             syncer::SyncDataLocal(data).GetTag());
 779   const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
 780   EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
 781   EXPECT_TRUE(specifics.has_header());
 782   const sync_pb::SessionHeader& header_s = specifics.header();
 783   EXPECT_TRUE(header_s.has_device_type());
 784   EXPECT_EQ(GetLocalDeviceInfo()->client_name(), header_s.client_name());
 785   EXPECT_EQ(0, header_s.window_size());
 786
 787   EXPECT_TRUE(out[1].IsValid());
 788   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[1].change_type());
 789   const SyncData data_2(out[1].sync_data());
 790   EXPECT_EQ(manager()->current_machine_tag(),
 791             syncer::SyncDataLocal(data_2).GetTag());
 792   const sync_pb::SessionSpecifics& specifics2(data_2.GetSpecifics().session());
 793   EXPECT_EQ(manager()->current_machine_tag(), specifics2.session_tag());
 794   EXPECT_TRUE(specifics2.has_header());
 795   const sync_pb::SessionHeader& header_s2 = specifics2.header();
 796   EXPECT_EQ(0, header_s2.window_size());
 797
 798   // Now take that header node and feed it in as input.
 799   SyncData d(SyncData::CreateRemoteData(
 800       1,
 801       data.GetSpecifics(),
 802       base::Time(),
 803       syncer::AttachmentIdList(),
 804       syncer::AttachmentServiceProxyForTest::Create()));
 805   syncer::SyncDataList in(&d, &d + 1);
 806   out.clear();
 807   SessionsSyncManager manager2(profile(), local_device(), NewDummyRouter());
 808   syncer::SyncMergeResult result = manager2.MergeDataAndStartSyncing(
 809       syncer::SESSIONS, in,
 810       scoped_ptr<syncer::SyncChangeProcessor>(
 811           new TestSyncProcessorStub(&out)),
 812       scoped_ptr<syncer::SyncErrorFactory>(
 813           new syncer::SyncErrorFactoryMock()));
 814   ASSERT_FALSE(result.error().IsSet());
 815
 816   EXPECT_EQ(1U, out.size());
 817   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[0].change_type());
 818   EXPECT_TRUE(out[0].sync_data().GetSpecifics().session().has_header());
 819 }
 820
 821 // Ensure model association associates the pre-existing tabs.
 822 TEST_F(SessionsSyncManagerTest, SwappedOutOnRestore) {
 823   AddTab(browser(), GURL("http://foo1"));
 824   NavigateAndCommitActiveTab(GURL("http://foo2"));
 825   AddTab(browser(), GURL("http://bar1"));
 826   NavigateAndCommitActiveTab(GURL("http://bar2"));
 827   AddTab(browser(), GURL("http://baz1"));
 828   NavigateAndCommitActiveTab(GURL("http://baz2"));
 829   const int kRestoredTabId = 1337;
 830   const int kNewTabId = 2468;
 831
 832   syncer::SyncDataList in;
 833   syncer::SyncChangeList out;
 834   InitWithSyncDataTakeOutput(in, &out);
 835
 836   // Should be one header add, 3 tab add/update pairs, one header update.
 837   ASSERT_EQ(8U, out.size());
 838
 839   // For input, we set up:
 840   // * one "normal" fully loaded tab
 841   // * one "frozen" tab with no WebContents and a tab_id change
 842   // * one "frozen" tab with no WebContents and no tab_id change
 843   SyncData t0(SyncData::CreateRemoteData(
 844       1,
 845       out[2].sync_data().GetSpecifics(),
 846       base::Time(),
 847       syncer::AttachmentIdList(),
 848       syncer::AttachmentServiceProxyForTest::Create()));
 849   sync_pb::EntitySpecifics entity(out[4].sync_data().GetSpecifics());
 850   entity.mutable_session()->mutable_tab()->set_tab_id(kRestoredTabId);
 851   SyncData t1(SyncData::CreateRemoteData(
 852       2,
 853       entity,
 854       base::Time(),
 855       syncer::AttachmentIdList(),
 856       syncer::AttachmentServiceProxyForTest::Create()));
 857   SyncData t2(SyncData::CreateRemoteData(
 858       3,
 859       out[6].sync_data().GetSpecifics(),
 860       base::Time(),
 861       syncer::AttachmentIdList(),
 862       syncer::AttachmentServiceProxyForTest::Create()));
 863   in.push_back(t0);
 864   in.push_back(t1);
 865   in.push_back(t2);
 866   out.clear();
 867   manager()->StopSyncing(syncer::SESSIONS);
 868
 869   const std::set<const SyncedWindowDelegate*>& windows =
 870       SyncedWindowDelegate::GetAll();
 871   ASSERT_EQ(1U, windows.size());
 872   SyncedTabDelegateFake t1_override, t2_override;
 873   t1_override.SetSyncId(1);  // No WebContents by default.
 874   t2_override.SetSyncId(2);  // No WebContents by default.
 875   SyncedWindowDelegateOverride window_override(*windows.begin());
 876   window_override.OverrideTabAt(1, &t1_override, kNewTabId);
 877   window_override.OverrideTabAt(2, &t2_override,
 878                                 t2.GetSpecifics().session().tab().tab_id());
 879   std::set<const SyncedWindowDelegate*> delegates;
 880   delegates.insert(&window_override);
 881   scoped_ptr<TestSyncedWindowDelegatesGetter> getter(
 882       new TestSyncedWindowDelegatesGetter(delegates));
 883   manager()->synced_window_getter_.reset(getter.release());
 884
 885   syncer::SyncMergeResult result = manager()->MergeDataAndStartSyncing(
 886       syncer::SESSIONS, in,
 887       scoped_ptr<syncer::SyncChangeProcessor>(
 888           new TestSyncProcessorStub(&out)),
 889       scoped_ptr<syncer::SyncErrorFactory>(
 890           new syncer::SyncErrorFactoryMock()));
 891
 892   // There should be two changes, one for the fully associated tab, and
 893   // one for the tab_id update to t1.  t2 shouldn't need to be updated.
 894   ASSERT_EQ(2U, FilterOutLocalHeaderChanges(&out)->size());
 895   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[0].change_type());
 896   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[1].change_type());
 897   EXPECT_EQ(kNewTabId,
 898             out[1].sync_data().GetSpecifics().session().tab().tab_id());
 899
 900   // Verify TabLinks.
 901   SessionsSyncManager::TabLinksMap tab_map = manager()->local_tab_map_;
 902   ASSERT_EQ(3U, tab_map.size());
 903   int t2_tab_id = t2.GetSpecifics().session().tab().tab_id();
 904   EXPECT_EQ(2, tab_map.find(t2_tab_id)->second->tab_node_id());
 905   EXPECT_EQ(1, tab_map.find(kNewTabId)->second->tab_node_id());
 906   int t0_tab_id = out[0].sync_data().GetSpecifics().session().tab().tab_id();
 907   EXPECT_EQ(0, tab_map.find(t0_tab_id)->second->tab_node_id());
 908   // TODO(tim): Once bug 337057 is fixed, we can issue an OnLocalTabModified
 909   // from here (using an override similar to above) to return a new tab id
 910   // and verify that we don't see any node creations in the SyncChangeProcessor
 911   // (similar to how SessionsSyncManagerTest.OnLocalTabModified works.)
 912 }
 913
 914 // Tests MergeDataAndStartSyncing with sync data but no local data.
 915 TEST_F(SessionsSyncManagerTest, MergeWithInitialForeignSession) {
 916   std::string tag = "tag1";
 917
 918   SessionID::id_type n1[] = {5, 10, 13, 17};
 919   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
 920   std::vector<sync_pb::SessionSpecifics> tabs1;
 921   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
 922       tag, tab_list1, &tabs1));
 923   // Add a second window.
 924   SessionID::id_type n2[] = {7, 15, 18, 20};
 925   std::vector<SessionID::id_type> tab_list2(n2, n2 + arraysize(n2));
 926   helper()->AddWindowSpecifics(1, tab_list2, &meta);
 927
 928   // Set up initial data.
 929   syncer::SyncDataList initial_data;
 930   sync_pb::EntitySpecifics entity;
 931   entity.mutable_session()->CopyFrom(meta);
 932   initial_data.push_back(SyncData::CreateRemoteData(
 933       1,
 934       entity,
 935       base::Time(),
 936       syncer::AttachmentIdList(),
 937       syncer::AttachmentServiceProxyForTest::Create()));
 938   AddTabsToSyncDataList(tabs1, &initial_data);
 939
 940   for (size_t i = 0; i < tab_list2.size(); ++i) {
 941     sync_pb::EntitySpecifics entity;
 942     helper()->BuildTabSpecifics(tag, 0, tab_list2[i],
 943                                 entity.mutable_session());
 944     initial_data.push_back(SyncData::CreateRemoteData(
 945         i + 10,
 946         entity,
 947         base::Time(),
 948         syncer::AttachmentIdList(),
 949         syncer::AttachmentServiceProxyForTest::Create()));
 950   }
 951
 952   syncer::SyncChangeList output;
 953   InitWithSyncDataTakeOutput(initial_data, &output);
 954   EXPECT_TRUE(FilterOutLocalHeaderChanges(&output)->empty());
 955
 956   std::vector<const SyncedSession*> foreign_sessions;
 957   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
 958   ASSERT_EQ(1U, foreign_sessions.size());
 959   std::vector<std::vector<SessionID::id_type> > session_reference;
 960   session_reference.push_back(tab_list1);
 961   session_reference.push_back(tab_list2);
 962   helper()->VerifySyncedSession(tag, session_reference, *(foreign_sessions[0]));
 963 }
 964
 965 // This is a combination of MergeWithInitialForeignSession and
 966 // MergeLocalSessionExistingTabs. We repeat some checks performed in each of
 967 // those tests to ensure the common mixed scenario works.
 968 TEST_F(SessionsSyncManagerTest, MergeWithLocalAndForeignTabs) {
 969   // Local.
 970   AddTab(browser(), GURL("http://foo1"));
 971   NavigateAndCommitActiveTab(GURL("http://foo2"));
 972
 973   // Foreign.
 974   std::string tag = "tag1";
 975   SessionID::id_type n1[] = {5, 10, 13, 17};
 976   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
 977   std::vector<sync_pb::SessionSpecifics> tabs1;
 978   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
 979       tag, tab_list1, &tabs1));
 980   syncer::SyncDataList foreign_data;
 981   sync_pb::EntitySpecifics entity;
 982   entity.mutable_session()->CopyFrom(meta);
 983   foreign_data.push_back(SyncData::CreateRemoteData(
 984       1,
 985       entity,
 986       base::Time(),
 987       syncer::AttachmentIdList(),
 988       syncer::AttachmentServiceProxyForTest::Create()));
 989   AddTabsToSyncDataList(tabs1, &foreign_data);
 990
 991   syncer::SyncChangeList output;
 992   InitWithSyncDataTakeOutput(foreign_data, &output);
 993   ASSERT_EQ(4U, output.size());
 994
 995   // Verify the local header.
 996   EXPECT_TRUE(output[0].IsValid());
 997   EXPECT_EQ(SyncChange::ACTION_ADD, output[0].change_type());
 998   const SyncData data(output[0].sync_data());
 999   EXPECT_EQ(manager()->current_machine_tag(),
1000             syncer::SyncDataLocal(data).GetTag());
1001   const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1002   EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1003   EXPECT_TRUE(specifics.has_header());
1004   const sync_pb::SessionHeader& header_s = specifics.header();
1005   EXPECT_TRUE(header_s.has_device_type());
1006   EXPECT_EQ(GetLocalDeviceInfo()->client_name(), header_s.client_name());
1007   EXPECT_EQ(0, header_s.window_size());
1008
1009   // Verify the tab node creations and updates with content.
1010   for (int i = 1; i < 3; i++) {
1011     EXPECT_TRUE(output[i].IsValid());
1012     const SyncData data(output[i].sync_data());
1013     EXPECT_TRUE(StartsWithASCII(syncer::SyncDataLocal(data).GetTag(),
1014                                 manager()->current_machine_tag(), true));
1015     const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1016     EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1017   }
1018   EXPECT_EQ(SyncChange::ACTION_ADD, output[1].change_type());
1019   EXPECT_EQ(SyncChange::ACTION_UPDATE, output[2].change_type());
1020   EXPECT_TRUE(output[2].sync_data().GetSpecifics().session().has_tab());
1021
1022   // Verify the header was updated to reflect window state.
1023   EXPECT_TRUE(output[3].IsValid());
1024   EXPECT_EQ(SyncChange::ACTION_UPDATE, output[3].change_type());
1025   const SyncData data_2(output[3].sync_data());
1026   EXPECT_EQ(manager()->current_machine_tag(),
1027             syncer::SyncDataLocal(data_2).GetTag());
1028   const sync_pb::SessionSpecifics& specifics2(data_2.GetSpecifics().session());
1029   EXPECT_EQ(manager()->current_machine_tag(), specifics2.session_tag());
1030   EXPECT_TRUE(specifics2.has_header());
1031   const sync_pb::SessionHeader& header_s2 = specifics2.header();
1032   EXPECT_EQ(1, header_s2.window_size());
1033
1034   // Verify foreign data.
1035   std::vector<const SyncedSession*> foreign_sessions;
1036   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1037   std::vector<std::vector<SessionID::id_type> > session_reference;
1038   session_reference.push_back(tab_list1);
1039   helper()->VerifySyncedSession(tag, session_reference, *(foreign_sessions[0]));
1040   // There should be one and only one foreign session. If VerifySyncedSession
1041   // was successful above this EXPECT call ensures the local session didn't
1042   // get mistakenly added to foreign tracking (Similar to ExistingTabs test).
1043   EXPECT_EQ(1U, foreign_sessions.size());
1044 }
1045
1046 // Tests the common scenario.  Merge with both local and foreign session data
1047 // followed by updates flowing from sync and local.
1048 TEST_F(SessionsSyncManagerTest, UpdatesAfterMixedMerge) {
1049   // Add local and foreign data.
1050   AddTab(browser(), GURL("http://foo1"));
1051   NavigateAndCommitActiveTab(GURL("http://foo2"));
1052
1053   std::string tag1 = "tag1";
1054   syncer::SyncDataList foreign_data1;
1055   std::vector<std::vector<SessionID::id_type> > meta1_reference;
1056   sync_pb::SessionSpecifics meta1;
1057
1058   SessionID::id_type n1[] = {5, 10, 13, 17};
1059   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
1060   meta1_reference.push_back(tab_list1);
1061   std::vector<sync_pb::SessionSpecifics> tabs1;
1062   meta1 = helper()->BuildForeignSession(tag1, tab_list1, &tabs1);
1063   sync_pb::EntitySpecifics entity;
1064   entity.mutable_session()->CopyFrom(meta1);
1065   foreign_data1.push_back(SyncData::CreateRemoteData(
1066       1,
1067       entity,
1068       base::Time(),
1069       syncer::AttachmentIdList(),
1070       syncer::AttachmentServiceProxyForTest::Create()));
1071   AddTabsToSyncDataList(tabs1, &foreign_data1);
1072
1073   syncer::SyncChangeList output1;
1074   InitWithSyncDataTakeOutput(foreign_data1, &output1);
1075   ASSERT_EQ(4U, output1.size());
1076
1077   // Add a second window to the foreign session.
1078   // TODO(tim): Bug 98892. Add local window too when observers are hooked up.
1079   SessionID::id_type tab_nums2[] = {7, 15, 18, 20};
1080   std::vector<SessionID::id_type> tab_list2(
1081       tab_nums2, tab_nums2 + arraysize(tab_nums2));
1082   meta1_reference.push_back(tab_list2);
1083   helper()->AddWindowSpecifics(1, tab_list2, &meta1);
1084   std::vector<sync_pb::SessionSpecifics> tabs2;
1085   tabs2.resize(tab_list2.size());
1086   for (size_t i = 0; i < tab_list2.size(); ++i) {
1087     helper()->BuildTabSpecifics(tag1, 0, tab_list2[i], &tabs2[i]);
1088   }
1089
1090   syncer::SyncChangeList changes;
1091   changes.push_back(MakeRemoteChange(1, meta1, SyncChange::ACTION_UPDATE));
1092   AddTabsToChangeList(tabs2, SyncChange::ACTION_ADD, &changes);
1093   manager()->ProcessSyncChanges(FROM_HERE, changes);
1094   changes.clear();
1095
1096   // Check that the foreign session was associated and retrieve the data.
1097   std::vector<const SyncedSession*> foreign_sessions;
1098   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1099   ASSERT_EQ(1U, foreign_sessions.size());
1100   ASSERT_EQ(4U, foreign_sessions[0]->windows.find(0)->second->tabs.size());
1101   ASSERT_EQ(4U, foreign_sessions[0]->windows.find(1)->second->tabs.size());
1102   helper()->VerifySyncedSession(tag1, meta1_reference, *(foreign_sessions[0]));
1103
1104   // Add a new foreign session.
1105   std::string tag2 = "tag2";
1106   SessionID::id_type n2[] = {107, 115};
1107   std::vector<SessionID::id_type> tag2_tab_list(n2, n2 + arraysize(n2));
1108   std::vector<sync_pb::SessionSpecifics> tag2_tabs;
1109   sync_pb::SessionSpecifics meta2(helper()->BuildForeignSession(
1110       tag2, tag2_tab_list, &tag2_tabs));
1111   changes.push_back(MakeRemoteChange(100, meta2, SyncChange::ACTION_ADD));
1112   AddTabsToChangeList(tag2_tabs, SyncChange::ACTION_ADD, &changes);
1113
1114   manager()->ProcessSyncChanges(FROM_HERE, changes);
1115   changes.clear();
1116
1117   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1118   std::vector<std::vector<SessionID::id_type> > meta2_reference;
1119   meta2_reference.push_back(tag2_tab_list);
1120   ASSERT_EQ(2U, foreign_sessions.size());
1121   ASSERT_EQ(2U, foreign_sessions[1]->windows.find(0)->second->tabs.size());
1122   helper()->VerifySyncedSession(tag2, meta2_reference, *(foreign_sessions[1]));
1123   foreign_sessions.clear();
1124
1125   // Remove a tab from a window.
1126   meta1_reference[0].pop_back();
1127   tab_list1.pop_back();
1128   sync_pb::SessionWindow* win = meta1.mutable_header()->mutable_window(0);
1129   win->clear_tab();
1130   for (std::vector<int>::const_iterator iter = tab_list1.begin();
1131        iter != tab_list1.end(); ++iter) {
1132     win->add_tab(*iter);
1133   }
1134   syncer::SyncChangeList removal;
1135   removal.push_back(MakeRemoteChange(1, meta1, SyncChange::ACTION_UPDATE));
1136   AddTabsToChangeList(tabs1, SyncChange::ACTION_UPDATE, &removal);
1137   manager()->ProcessSyncChanges(FROM_HERE, removal);
1138
1139   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1140   ASSERT_EQ(2U, foreign_sessions.size());
1141   ASSERT_EQ(3U, foreign_sessions[0]->windows.find(0)->second->tabs.size());
1142   helper()->VerifySyncedSession(tag1, meta1_reference, *(foreign_sessions[0]));
1143 }
1144
1145 // Tests that this SyncSessionManager knows how to delete foreign sessions
1146 // if it wants to.
1147 TEST_F(SessionsSyncManagerTest, DeleteForeignSession) {
1148   InitWithNoSyncData();
1149   std::string tag = "tag1";
1150   syncer::SyncChangeList changes;
1151
1152   std::vector<const SyncedSession*> foreign_sessions;
1153   ASSERT_FALSE(manager()->GetAllForeignSessions(&foreign_sessions));
1154   manager()->DeleteForeignSessionInternal(tag, &changes);
1155   ASSERT_FALSE(manager()->GetAllForeignSessions(&foreign_sessions));
1156   EXPECT_TRUE(changes.empty());
1157
1158    // Fill an instance of session specifics with a foreign session's data.
1159   std::vector<sync_pb::SessionSpecifics> tabs;
1160   SessionID::id_type n1[] = {5, 10, 13, 17};
1161   std::vector<SessionID::id_type> tab_nums1(n1, n1 + arraysize(n1));
1162   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1163       tag, tab_nums1, &tabs));
1164
1165   // Update associator with the session's meta node, window, and tabs.
1166   manager()->UpdateTrackerWithForeignSession(meta, base::Time());
1167   for (std::vector<sync_pb::SessionSpecifics>::iterator iter = tabs.begin();
1168        iter != tabs.end(); ++iter) {
1169     manager()->UpdateTrackerWithForeignSession(*iter, base::Time());
1170   }
1171   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1172   ASSERT_EQ(1U, foreign_sessions.size());
1173
1174   // Now delete the foreign session.
1175   manager()->DeleteForeignSessionInternal(tag, &changes);
1176   EXPECT_FALSE(manager()->GetAllForeignSessions(&foreign_sessions));
1177
1178   EXPECT_EQ(5U, changes.size());
1179   std::set<std::string> expected_tags(&tag, &tag + 1);
1180   for (int i = 0; i < 5; i++)
1181     expected_tags.insert(TabNodePool::TabIdToTag(tag, i));
1182
1183   for (int i = 0; i < 5; i++) {
1184     SCOPED_TRACE(changes[i].ToString());
1185     EXPECT_TRUE(changes[i].IsValid());
1186     EXPECT_EQ(SyncChange::ACTION_DELETE, changes[i].change_type());
1187     EXPECT_TRUE(changes[i].sync_data().IsValid());
1188     EXPECT_EQ(1U,
1189               expected_tags.erase(
1190                   syncer::SyncDataLocal(changes[i].sync_data()).GetTag()));
1191   }
1192 }
1193
1194 // Write a foreign session to a node, with the tabs arriving first, and then
1195 // retrieve it.
1196 TEST_F(SessionsSyncManagerTest, WriteForeignSessionToNodeTabsFirst) {
1197   InitWithNoSyncData();
1198
1199   // Fill an instance of session specifics with a foreign session's data.
1200   std::string tag = "tag1";
1201   SessionID::id_type nums1[] = {5, 10, 13, 17};
1202   std::vector<sync_pb::SessionSpecifics> tabs1;
1203   std::vector<SessionID::id_type> tab_list1 (nums1, nums1 + arraysize(nums1));
1204   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1205       tag, tab_list1, &tabs1));
1206
1207   syncer::SyncChangeList adds;
1208   // Add tabs for first window, then the meta node.
1209   AddTabsToChangeList(tabs1, SyncChange::ACTION_ADD, &adds);
1210   adds.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_ADD));
1211   manager()->ProcessSyncChanges(FROM_HERE, adds);
1212
1213   // Check that the foreign session was associated and retrieve the data.
1214   std::vector<const SyncedSession*> foreign_sessions;
1215   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1216   ASSERT_EQ(1U, foreign_sessions.size());
1217   std::vector<std::vector<SessionID::id_type> > session_reference;
1218   session_reference.push_back(tab_list1);
1219   helper()->VerifySyncedSession(tag, session_reference, *(foreign_sessions[0]));
1220 }
1221
1222 // Write a foreign session to a node with some tabs that never arrive.
1223 TEST_F(SessionsSyncManagerTest, WriteForeignSessionToNodeMissingTabs) {
1224   InitWithNoSyncData();
1225
1226   // Fill an instance of session specifics with a foreign session's data.
1227   std::string tag = "tag1";
1228   SessionID::id_type nums1[] = {5, 10, 13, 17};
1229   std::vector<sync_pb::SessionSpecifics> tabs1;
1230   std::vector<SessionID::id_type> tab_list1 (nums1, nums1 + arraysize(nums1));
1231   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1232       tag, tab_list1, &tabs1));
1233   // Add a second window, but this time only create two tab nodes, despite the
1234   // window expecting four tabs.
1235   SessionID::id_type tab_nums2[] = {7, 15, 18, 20};
1236   std::vector<SessionID::id_type> tab_list2(
1237       tab_nums2, tab_nums2 + arraysize(tab_nums2));
1238   helper()->AddWindowSpecifics(1, tab_list2, &meta);
1239   std::vector<sync_pb::SessionSpecifics> tabs2;
1240   tabs2.resize(2);
1241   for (size_t i = 0; i < 2; ++i) {
1242     helper()->BuildTabSpecifics(tag, 0, tab_list2[i], &tabs2[i]);
1243   }
1244
1245   syncer::SyncChangeList changes;
1246   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_ADD));
1247   AddTabsToChangeList(tabs1, SyncChange::ACTION_ADD, &changes);
1248   AddTabsToChangeList(tabs2, SyncChange::ACTION_ADD, &changes);
1249   manager()->ProcessSyncChanges(FROM_HERE, changes);
1250   changes.clear();
1251
1252   // Check that the foreign session was associated and retrieve the data.
1253   std::vector<const SyncedSession*> foreign_sessions;
1254   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1255   ASSERT_EQ(1U, foreign_sessions.size());
1256   ASSERT_EQ(2U, foreign_sessions[0]->windows.size());
1257   ASSERT_EQ(4U, foreign_sessions[0]->windows.find(0)->second->tabs.size());
1258   ASSERT_EQ(4U, foreign_sessions[0]->windows.find(1)->second->tabs.size());
1259
1260   // Close the second window.
1261   meta.mutable_header()->clear_window();
1262   helper()->AddWindowSpecifics(0, tab_list1, &meta);
1263   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_UPDATE));
1264   // Update associator with the session's meta node containing one window.
1265   manager()->ProcessSyncChanges(FROM_HERE, changes);
1266
1267   // Check that the foreign session was associated and retrieve the data.
1268   foreign_sessions.clear();
1269   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1270   ASSERT_EQ(1U, foreign_sessions.size());
1271   ASSERT_EQ(1U, foreign_sessions[0]->windows.size());
1272   std::vector<std::vector<SessionID::id_type> > session_reference;
1273   session_reference.push_back(tab_list1);
1274   helper()->VerifySyncedSession(tag, session_reference, *(foreign_sessions[0]));
1275 }
1276
1277 // Tests that the SessionsSyncManager can handle a remote client deleting
1278 // sync nodes that belong to this local session.
1279 TEST_F(SessionsSyncManagerTest, ProcessRemoteDeleteOfLocalSession) {
1280   syncer::SyncChangeList out;
1281   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
1282   ASSERT_EQ(2U, out.size());
1283   sync_pb::EntitySpecifics entity(out[0].sync_data().GetSpecifics());
1284   SyncData d(SyncData::CreateRemoteData(
1285       1,
1286       entity,
1287       base::Time(),
1288       syncer::AttachmentIdList(),
1289       syncer::AttachmentServiceProxyForTest::Create()));
1290   SetSyncData(syncer::SyncDataList(&d, &d + 1));
1291   out.clear();
1292
1293   syncer::SyncChangeList changes;
1294   changes.push_back(
1295       MakeRemoteChange(1, entity.session(), SyncChange::ACTION_DELETE));
1296   manager()->ProcessSyncChanges(FROM_HERE, changes);
1297   EXPECT_TRUE(manager()->local_tab_pool_out_of_sync_);
1298   EXPECT_TRUE(out.empty());  // ChangeProcessor shouldn't see any activity.
1299
1300   // This should trigger repair of the TabNodePool.
1301   const GURL foo1("http://foo/1");
1302   AddTab(browser(), foo1);
1303   EXPECT_FALSE(manager()->local_tab_pool_out_of_sync_);
1304
1305   // AddTab triggers two notifications, one for the tab insertion and one for
1306   // committing the NavigationEntry. The first notification results in a tab
1307   // we don't associate although we do update the header node.  The second
1308   // notification triggers association of the tab, and the subsequent window
1309   // update.  So we should see 4 changes at the SyncChangeProcessor.
1310   ASSERT_EQ(4U, out.size());
1311
1312   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[0].change_type());
1313   ASSERT_TRUE(out[0].sync_data().GetSpecifics().session().has_header());
1314   EXPECT_EQ(SyncChange::ACTION_ADD, out[1].change_type());
1315   int tab_node_id = out[1].sync_data().GetSpecifics().session().tab_node_id();
1316   EXPECT_EQ(TabNodePool::TabIdToTag(
1317                 manager()->current_machine_tag(), tab_node_id),
1318             syncer::SyncDataLocal(out[1].sync_data()).GetTag());
1319   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[2].change_type());
1320   ASSERT_TRUE(out[2].sync_data().GetSpecifics().session().has_tab());
1321   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[3].change_type());
1322   ASSERT_TRUE(out[3].sync_data().GetSpecifics().session().has_header());
1323
1324   // Verify the actual content.
1325   const sync_pb::SessionHeader& session_header =
1326       out[3].sync_data().GetSpecifics().session().header();
1327   ASSERT_EQ(1, session_header.window_size());
1328   EXPECT_EQ(1, session_header.window(0).tab_size());
1329   const sync_pb::SessionTab& tab1 =
1330       out[2].sync_data().GetSpecifics().session().tab();
1331   ASSERT_EQ(1, tab1.navigation_size());
1332   EXPECT_EQ(foo1.spec(), tab1.navigation(0).virtual_url());
1333
1334   // Verify TabNodePool integrity.
1335   EXPECT_EQ(1U, manager()->local_tab_pool_.Capacity());
1336   EXPECT_TRUE(manager()->local_tab_pool_.Empty());
1337
1338   // Verify TabLinks.
1339   SessionsSyncManager::TabLinksMap tab_map = manager()->local_tab_map_;
1340   ASSERT_EQ(1U, tab_map.size());
1341   int tab_id = out[2].sync_data().GetSpecifics().session().tab().tab_id();
1342   EXPECT_EQ(tab_node_id, tab_map.find(tab_id)->second->tab_node_id());
1343 }
1344
1345 // Test that receiving a session delete from sync removes the session
1346 // from tracking.
1347 TEST_F(SessionsSyncManagerTest, ProcessForeignDelete) {
1348   InitWithNoSyncData();
1349   SessionID::id_type n[] = {5};
1350   std::vector<sync_pb::SessionSpecifics> tabs1;
1351   std::vector<SessionID::id_type> tab_list(n, n + arraysize(n));
1352   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1353       "tag1", tab_list, &tabs1));
1354
1355   syncer::SyncChangeList changes;
1356   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_ADD));
1357   AddTabsToChangeList(tabs1, SyncChange::ACTION_ADD, &changes);
1358   manager()->ProcessSyncChanges(FROM_HERE, changes);
1359
1360   std::vector<const SyncedSession*> foreign_sessions;
1361   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1362   ASSERT_EQ(1U, foreign_sessions.size());
1363
1364   changes.clear();
1365   foreign_sessions.clear();
1366   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_DELETE));
1367   manager()->ProcessSyncChanges(FROM_HERE, changes);
1368
1369   EXPECT_FALSE(manager()->GetAllForeignSessions(&foreign_sessions));
1370 }
1371
1372 // TODO(shashishekhar): "Move this to TabNodePool unittests."
1373 TEST_F(SessionsSyncManagerTest, SaveUnassociatedNodesForReassociation) {
1374   syncer::SyncChangeList changes;
1375   InitWithNoSyncData();
1376
1377   std::string local_tag = manager()->current_machine_tag();
1378   // Create a free node and then dissassociate sessions so that it ends up
1379   // unassociated.
1380   manager()->local_tab_pool_.GetFreeTabNode(&changes);
1381
1382   // Update the tab_id of the node, so that it is considered a valid
1383   // unassociated node otherwise it will be mistaken for a corrupted node and
1384   // will be deleted before being added to the tab node pool.
1385   sync_pb::EntitySpecifics entity(changes[0].sync_data().GetSpecifics());
1386   entity.mutable_session()->mutable_tab()->set_tab_id(1);
1387   SyncData d(SyncData::CreateRemoteData(
1388       1,
1389       entity,
1390       base::Time(),
1391       syncer::AttachmentIdList(),
1392       syncer::AttachmentServiceProxyForTest::Create()));
1393   syncer::SyncDataList in(&d, &d + 1);
1394   changes.clear();
1395   SessionsSyncManager manager2(profile(), local_device(), NewDummyRouter());
1396   syncer::SyncMergeResult result = manager2.MergeDataAndStartSyncing(
1397       syncer::SESSIONS, in,
1398       scoped_ptr<syncer::SyncChangeProcessor>(
1399           new TestSyncProcessorStub(&changes)),
1400       scoped_ptr<syncer::SyncErrorFactory>(
1401           new syncer::SyncErrorFactoryMock()));
1402   ASSERT_FALSE(result.error().IsSet());
1403   EXPECT_TRUE(FilterOutLocalHeaderChanges(&changes)->empty());
1404 }
1405
1406 TEST_F(SessionsSyncManagerTest, MergeDeletesCorruptNode) {
1407   syncer::SyncChangeList changes;
1408   InitWithNoSyncData();
1409
1410   std::string local_tag = manager()->current_machine_tag();
1411   int tab_node_id = manager()->local_tab_pool_.GetFreeTabNode(&changes);
1412   SyncData d(SyncData::CreateRemoteData(
1413       1,
1414       changes[0].sync_data().GetSpecifics(),
1415       base::Time(),
1416       syncer::AttachmentIdList(),
1417       syncer::AttachmentServiceProxyForTest::Create()));
1418   syncer::SyncDataList in(&d, &d + 1);
1419   changes.clear();
1420   TearDown();
1421   SetUp();
1422   InitWithSyncDataTakeOutput(in, &changes);
1423   EXPECT_EQ(1U, FilterOutLocalHeaderChanges(&changes)->size());
1424   EXPECT_EQ(SyncChange::ACTION_DELETE, changes[0].change_type());
1425   EXPECT_EQ(TabNodePool::TabIdToTag(local_tag, tab_node_id),
1426             syncer::SyncDataLocal(changes[0].sync_data()).GetTag());
1427 }
1428
1429 // Test that things work if a tab is initially ignored.
1430 TEST_F(SessionsSyncManagerTest, AssociateWindowsDontReloadTabs) {
1431   syncer::SyncChangeList out;
1432   // Go to a URL that is ignored by session syncing.
1433   AddTab(browser(), GURL("chrome://preferences/"));
1434   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
1435   ASSERT_EQ(2U, out.size());  // Header add and update.
1436   EXPECT_EQ(
1437       0,
1438       out[1].sync_data().GetSpecifics().session().header().window_size());
1439   out.clear();
1440
1441   // Go to a sync-interesting URL.
1442   NavigateAndCommitActiveTab(GURL("http://foo2"));
1443
1444   EXPECT_EQ(3U, out.size());  // Tab add, update, and header update.
1445
1446   EXPECT_TRUE(
1447       StartsWithASCII(syncer::SyncDataLocal(out[0].sync_data()).GetTag(),
1448                       manager()->current_machine_tag(),
1449                       true));
1450   EXPECT_EQ(manager()->current_machine_tag(),
1451             out[0].sync_data().GetSpecifics().session().session_tag());
1452   EXPECT_EQ(SyncChange::ACTION_ADD, out[0].change_type());
1453
1454   EXPECT_TRUE(
1455       StartsWithASCII(syncer::SyncDataLocal(out[1].sync_data()).GetTag(),
1456                       manager()->current_machine_tag(),
1457                       true));
1458   EXPECT_EQ(manager()->current_machine_tag(),
1459             out[1].sync_data().GetSpecifics().session().session_tag());
1460   EXPECT_TRUE(out[1].sync_data().GetSpecifics().session().has_tab());
1461   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[1].change_type());
1462
1463   EXPECT_TRUE(out[2].IsValid());
1464   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[2].change_type());
1465   const SyncData data(out[2].sync_data());
1466   EXPECT_EQ(manager()->current_machine_tag(),
1467             syncer::SyncDataLocal(data).GetTag());
1468   const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1469   EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1470   EXPECT_TRUE(specifics.has_header());
1471   const sync_pb::SessionHeader& header_s = specifics.header();
1472   EXPECT_EQ(1, header_s.window_size());
1473   EXPECT_EQ(1, header_s.window(0).tab_size());
1474 }
1475
1476 // Tests that the SyncSessionManager responds to local tab events properly.
1477 TEST_F(SessionsSyncManagerTest, OnLocalTabModified) {
1478   syncer::SyncChangeList out;
1479   // Init with no local data, relies on MergeLocalSessionNoTabs.
1480   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
1481   ASSERT_FALSE(manager()->current_machine_tag().empty());
1482   ASSERT_EQ(2U, out.size());
1483
1484   // Copy the original header.
1485   sync_pb::EntitySpecifics header(out[0].sync_data().GetSpecifics());
1486   out.clear();
1487
1488   const GURL foo1("http://foo/1");
1489   const GURL foo2("http://foo/2");
1490   const GURL bar1("http://bar/1");
1491   const GURL bar2("http://bar/2");
1492   AddTab(browser(), foo1);
1493   NavigateAndCommitActiveTab(foo2);
1494   AddTab(browser(), bar1);
1495   NavigateAndCommitActiveTab(bar2);
1496
1497   // One add, one update for each AddTab.
1498   // One update for each NavigateAndCommit.
1499   // = 6 total tab updates.
1500   // One header update corresponding to each of those.
1501   // = 6 total header updates.
1502   // 12 total updates.
1503   ASSERT_EQ(12U, out.size());
1504
1505   // Verify the tab node creations and updates to ensure the SyncProcessor
1506   // sees the right operations.
1507   for (int i = 0; i < 12; i++) {
1508     SCOPED_TRACE(i);
1509     EXPECT_TRUE(out[i].IsValid());
1510     const SyncData data(out[i].sync_data());
1511     EXPECT_TRUE(StartsWithASCII(syncer::SyncDataLocal(data).GetTag(),
1512                                 manager()->current_machine_tag(), true));
1513     const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1514     EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1515     if (i % 6 == 0) {
1516       // First thing on an AddTab is a no-op header update for parented tab.
1517       EXPECT_EQ(header.SerializeAsString(),
1518                 data.GetSpecifics().SerializeAsString());
1519       EXPECT_EQ(manager()->current_machine_tag(),
1520                 syncer::SyncDataLocal(data).GetTag());
1521     } else if (i % 6 == 1) {
1522       // Next, the TabNodePool should create the tab node.
1523       EXPECT_EQ(SyncChange::ACTION_ADD, out[i].change_type());
1524       EXPECT_EQ(TabNodePool::TabIdToTag(
1525                     manager()->current_machine_tag(),
1526                     data.GetSpecifics().session().tab_node_id()),
1527                 syncer::SyncDataLocal(data).GetTag());
1528     } else if (i % 6 == 2) {
1529       // Then we see the tab update to the URL.
1530       EXPECT_EQ(SyncChange::ACTION_UPDATE, out[i].change_type());
1531       EXPECT_EQ(TabNodePool::TabIdToTag(
1532                     manager()->current_machine_tag(),
1533                     data.GetSpecifics().session().tab_node_id()),
1534                 syncer::SyncDataLocal(data).GetTag());
1535       ASSERT_TRUE(specifics.has_tab());
1536     } else if (i % 6 == 3) {
1537       // The header needs to be updated to reflect the new window state.
1538       EXPECT_EQ(SyncChange::ACTION_UPDATE, out[i].change_type());
1539       EXPECT_TRUE(specifics.has_header());
1540     } else if (i % 6 == 4) {
1541       // Now we move on to NavigateAndCommit.  Update the tab.
1542       EXPECT_EQ(SyncChange::ACTION_UPDATE, out[i].change_type());
1543       EXPECT_EQ(TabNodePool::TabIdToTag(
1544                     manager()->current_machine_tag(),
1545                     data.GetSpecifics().session().tab_node_id()),
1546                 syncer::SyncDataLocal(data).GetTag());
1547       ASSERT_TRUE(specifics.has_tab());
1548     } else if (i % 6 == 5) {
1549       // The header needs to be updated to reflect the new window state.
1550       EXPECT_EQ(SyncChange::ACTION_UPDATE, out[i].change_type());
1551       ASSERT_TRUE(specifics.has_header());
1552       header = data.GetSpecifics();
1553     }
1554   }
1555
1556   // Verify the actual content to ensure sync sees the right data.
1557   // When it's all said and done, the header should reflect two tabs.
1558   const sync_pb::SessionHeader& session_header = header.session().header();
1559   ASSERT_EQ(1, session_header.window_size());
1560   EXPECT_EQ(2, session_header.window(0).tab_size());
1561
1562   // ASSERT_TRUEs above allow us to dive in freely here.
1563   // Verify first tab.
1564   const sync_pb::SessionTab& tab1_1 =
1565       out[2].sync_data().GetSpecifics().session().tab();
1566   ASSERT_EQ(1, tab1_1.navigation_size());
1567   EXPECT_EQ(foo1.spec(), tab1_1.navigation(0).virtual_url());
1568   const sync_pb::SessionTab& tab1_2 =
1569       out[4].sync_data().GetSpecifics().session().tab();
1570   ASSERT_EQ(2, tab1_2.navigation_size());
1571   EXPECT_EQ(foo1.spec(), tab1_2.navigation(0).virtual_url());
1572   EXPECT_EQ(foo2.spec(), tab1_2.navigation(1).virtual_url());
1573
1574   // Verify second tab.
1575   const sync_pb::SessionTab& tab2_1 =
1576       out[8].sync_data().GetSpecifics().session().tab();
1577   ASSERT_EQ(1, tab2_1.navigation_size());
1578   EXPECT_EQ(bar1.spec(), tab2_1.navigation(0).virtual_url());
1579   const sync_pb::SessionTab& tab2_2 =
1580       out[10].sync_data().GetSpecifics().session().tab();
1581   ASSERT_EQ(2, tab2_2.navigation_size());
1582   EXPECT_EQ(bar1.spec(), tab2_2.navigation(0).virtual_url());
1583   EXPECT_EQ(bar2.spec(), tab2_2.navigation(1).virtual_url());
1584 }
1585
1586 // Ensure model association associates the pre-existing tabs.
1587 TEST_F(SessionsSyncManagerTest, MergeLocalSessionExistingTabs) {
1588   AddTab(browser(), GURL("http://foo1"));
1589   NavigateAndCommitActiveTab(GURL("http://foo2"));  // Adds back entry.
1590   AddTab(browser(), GURL("http://bar1"));
1591   NavigateAndCommitActiveTab(GURL("http://bar2"));  // Adds back entry.
1592
1593   syncer::SyncChangeList out;
1594   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
1595   ASSERT_EQ(6U, out.size());
1596
1597   // Check that this machine's data is not included in the foreign windows.
1598   std::vector<const SyncedSession*> foreign_sessions;
1599   ASSERT_FALSE(manager()->GetAllForeignSessions(&foreign_sessions));
1600
1601   // Verify the header.
1602   EXPECT_TRUE(out[0].IsValid());
1603   EXPECT_EQ(SyncChange::ACTION_ADD, out[0].change_type());
1604   const SyncData data(out[0].sync_data());
1605   EXPECT_EQ(manager()->current_machine_tag(),
1606             syncer::SyncDataLocal(data).GetTag());
1607   const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1608   EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1609   EXPECT_TRUE(specifics.has_header());
1610   const sync_pb::SessionHeader& header_s = specifics.header();
1611   EXPECT_TRUE(header_s.has_device_type());
1612   EXPECT_EQ(GetLocalDeviceInfo()->client_name(), header_s.client_name());
1613   EXPECT_EQ(0, header_s.window_size());
1614
1615   // Verify the tab node creations and updates with content.
1616   for (int i = 1; i < 5; i++) {
1617     EXPECT_TRUE(out[i].IsValid());
1618     const SyncData data(out[i].sync_data());
1619     EXPECT_TRUE(StartsWithASCII(syncer::SyncDataLocal(data).GetTag(),
1620                                 manager()->current_machine_tag(), true));
1621     const sync_pb::SessionSpecifics& specifics(data.GetSpecifics().session());
1622     EXPECT_EQ(manager()->current_machine_tag(), specifics.session_tag());
1623     if (i % 2 == 1) {
1624       EXPECT_EQ(SyncChange::ACTION_ADD, out[i].change_type());
1625     } else {
1626       EXPECT_EQ(SyncChange::ACTION_UPDATE, out[i].change_type());
1627       EXPECT_TRUE(specifics.has_tab());
1628     }
1629   }
1630
1631   // Verify the header was updated to reflect new window state.
1632   EXPECT_TRUE(out[5].IsValid());
1633   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[5].change_type());
1634   const SyncData data_2(out[5].sync_data());
1635   EXPECT_EQ(manager()->current_machine_tag(),
1636             syncer::SyncDataLocal(data_2).GetTag());
1637   const sync_pb::SessionSpecifics& specifics2(data_2.GetSpecifics().session());
1638   EXPECT_EQ(manager()->current_machine_tag(), specifics2.session_tag());
1639   EXPECT_TRUE(specifics2.has_header());
1640   const sync_pb::SessionHeader& header_s2 = specifics2.header();
1641   EXPECT_EQ(1, header_s2.window_size());
1642
1643   // Verify TabLinks.
1644   SessionsSyncManager::TabLinksMap tab_map = manager()->local_tab_map_;
1645   ASSERT_EQ(2U, tab_map.size());
1646   // Tabs are ordered by sessionid in tab_map, so should be able to traverse
1647   // the tree based on order of tabs created
1648   SessionsSyncManager::TabLinksMap::iterator iter = tab_map.begin();
1649   ASSERT_EQ(2, iter->second->tab()->GetEntryCount());
1650   EXPECT_EQ(GURL("http://foo1"), iter->second->tab()->
1651           GetEntryAtIndex(0)->GetVirtualURL());
1652   EXPECT_EQ(GURL("http://foo2"), iter->second->tab()->
1653           GetEntryAtIndex(1)->GetVirtualURL());
1654   iter++;
1655   ASSERT_EQ(2, iter->second->tab()->GetEntryCount());
1656   EXPECT_EQ(GURL("http://bar1"), iter->second->tab()->
1657       GetEntryAtIndex(0)->GetVirtualURL());
1658   EXPECT_EQ(GURL("http://bar2"), iter->second->tab()->
1659       GetEntryAtIndex(1)->GetVirtualURL());
1660 }
1661
1662 // Test garbage collection of stale foreign sessions.
1663 TEST_F(SessionsSyncManagerTest, DoGarbageCollection) {
1664   // Fill two instances of session specifics with a foreign session's data.
1665   std::string tag1 = "tag1";
1666   SessionID::id_type n1[] = {5, 10, 13, 17};
1667   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
1668   std::vector<sync_pb::SessionSpecifics> tabs1;
1669   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1670       tag1, tab_list1, &tabs1));
1671   std::string tag2 = "tag2";
1672   SessionID::id_type n2[] = {8, 15, 18, 20};
1673   std::vector<SessionID::id_type> tab_list2(n2, n2 + arraysize(n2));
1674   std::vector<sync_pb::SessionSpecifics> tabs2;
1675   sync_pb::SessionSpecifics meta2(helper()->BuildForeignSession(
1676       tag2, tab_list2, &tabs2));
1677   // Set the modification time for tag1 to be 21 days ago, tag2 to 5 days ago.
1678   base::Time tag1_time = base::Time::Now() - base::TimeDelta::FromDays(21);
1679   base::Time tag2_time = base::Time::Now() - base::TimeDelta::FromDays(5);
1680
1681   syncer::SyncDataList foreign_data;
1682   sync_pb::EntitySpecifics entity1, entity2;
1683   entity1.mutable_session()->CopyFrom(meta);
1684   entity2.mutable_session()->CopyFrom(meta2);
1685   foreign_data.push_back(SyncData::CreateRemoteData(
1686       1,
1687       entity1,
1688       tag1_time,
1689       syncer::AttachmentIdList(),
1690       syncer::AttachmentServiceProxyForTest::Create()));
1691   foreign_data.push_back(SyncData::CreateRemoteData(
1692       1,
1693       entity2,
1694       tag2_time,
1695       syncer::AttachmentIdList(),
1696       syncer::AttachmentServiceProxyForTest::Create()));
1697   AddTabsToSyncDataList(tabs1, &foreign_data);
1698   AddTabsToSyncDataList(tabs2, &foreign_data);
1699
1700   syncer::SyncChangeList output;
1701   InitWithSyncDataTakeOutput(foreign_data, &output);
1702   ASSERT_EQ(2U, output.size());
1703   output.clear();
1704
1705   // Check that the foreign session was associated and retrieve the data.
1706   std::vector<const SyncedSession*> foreign_sessions;
1707   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1708   ASSERT_EQ(2U, foreign_sessions.size());
1709   foreign_sessions.clear();
1710
1711   // Now garbage collect and verify the non-stale session is still there.
1712   manager()->DoGarbageCollection();
1713   ASSERT_EQ(5U, output.size());
1714   EXPECT_EQ(SyncChange::ACTION_DELETE, output[0].change_type());
1715   const SyncData data(output[0].sync_data());
1716   EXPECT_EQ(tag1, syncer::SyncDataLocal(data).GetTag());
1717   for (int i = 1; i < 5; i++) {
1718     EXPECT_EQ(SyncChange::ACTION_DELETE, output[i].change_type());
1719     const SyncData data(output[i].sync_data());
1720     EXPECT_EQ(TabNodePool::TabIdToTag(tag1, i),
1721               syncer::SyncDataLocal(data).GetTag());
1722   }
1723
1724   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1725   ASSERT_EQ(1U, foreign_sessions.size());
1726   std::vector<std::vector<SessionID::id_type> > session_reference;
1727   session_reference.push_back(tab_list2);
1728   helper()->VerifySyncedSession(tag2, session_reference,
1729                                 *(foreign_sessions[0]));
1730 }
1731
1732 // Test that an update to a previously considered "stale" session,
1733 // prior to garbage collection, will save the session from deletion.
1734 TEST_F(SessionsSyncManagerTest, GarbageCollectionHonoursUpdate) {
1735   std::string tag1 = "tag1";
1736   SessionID::id_type n1[] = {5, 10, 13, 17};
1737   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
1738   std::vector<sync_pb::SessionSpecifics> tabs1;
1739   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1740       tag1, tab_list1, &tabs1));
1741   syncer::SyncDataList foreign_data;
1742   sync_pb::EntitySpecifics entity1;
1743   base::Time tag1_time = base::Time::Now() - base::TimeDelta::FromDays(21);
1744   entity1.mutable_session()->CopyFrom(meta);
1745   foreign_data.push_back(SyncData::CreateRemoteData(
1746       1,
1747       entity1,
1748       tag1_time,
1749       syncer::AttachmentIdList(),
1750       syncer::AttachmentServiceProxyForTest::Create()));
1751   AddTabsToSyncDataList(tabs1, &foreign_data);
1752   syncer::SyncChangeList output;
1753   InitWithSyncDataTakeOutput(foreign_data, &output);
1754   ASSERT_EQ(2U, output.size());
1755
1756   // Update to a non-stale time.
1757   sync_pb::EntitySpecifics update_entity;
1758   update_entity.mutable_session()->CopyFrom(tabs1[0]);
1759   syncer::SyncChangeList changes;
1760   changes.push_back(
1761       syncer::SyncChange(FROM_HERE,
1762                          SyncChange::ACTION_UPDATE,
1763                          syncer::SyncData::CreateRemoteData(
1764                              1,
1765                              update_entity,
1766                              base::Time::Now(),
1767                              syncer::AttachmentIdList(),
1768                              syncer::AttachmentServiceProxyForTest::Create())));
1769   manager()->ProcessSyncChanges(FROM_HERE, changes);
1770
1771   // Check that the foreign session was associated and retrieve the data.
1772   std::vector<const SyncedSession*> foreign_sessions;
1773   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1774   ASSERT_EQ(1U, foreign_sessions.size());
1775   foreign_sessions.clear();
1776
1777   // Verify the now non-stale session does not get deleted.
1778   manager()->DoGarbageCollection();
1779   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
1780   ASSERT_EQ(1U, foreign_sessions.size());
1781   std::vector<std::vector<SessionID::id_type> > session_reference;
1782   session_reference.push_back(tab_list1);
1783   helper()->VerifySyncedSession(
1784       tag1, session_reference, *(foreign_sessions[0]));
1785 }
1786
1787 // Test that swapping WebContents for a tab is properly observed and handled
1788 // by the SessionsSyncManager.
1789 TEST_F(SessionsSyncManagerTest, CheckPrerenderedWebContentsSwap) {
1790   AddTab(browser(), GURL("http://foo1"));
1791   NavigateAndCommitActiveTab(GURL("http://foo2"));
1792
1793   syncer::SyncChangeList out;
1794   InitWithSyncDataTakeOutput(syncer::SyncDataList(), &out);
1795   ASSERT_EQ(4U, out.size());  // Header, tab ADD, tab UPDATE, header UPDATE.
1796
1797   // To simulate WebContents swap during prerendering, create new WebContents
1798   // and swap with old WebContents.
1799   scoped_ptr<content::WebContents> old_web_contents;
1800   old_web_contents.reset(browser()->tab_strip_model()->GetActiveWebContents());
1801
1802   // Create new WebContents, with the required tab helpers.
1803   WebContents* new_web_contents = WebContents::CreateWithSessionStorage(
1804       WebContents::CreateParams(profile()),
1805       old_web_contents->GetController().GetSessionStorageNamespaceMap());
1806   SessionTabHelper::CreateForWebContents(new_web_contents);
1807   TabContentsSyncedTabDelegate::CreateForWebContents(new_web_contents);
1808   new_web_contents->GetController()
1809       .CopyStateFrom(old_web_contents->GetController());
1810
1811   // Swap the WebContents.
1812   int index = browser()->tab_strip_model()->GetIndexOfWebContents(
1813       old_web_contents.get());
1814   browser()->tab_strip_model()->ReplaceWebContentsAt(index, new_web_contents);
1815
1816   ASSERT_EQ(9U, out.size());
1817   EXPECT_EQ(SyncChange::ACTION_ADD, out[4].change_type());
1818   EXPECT_EQ(SyncChange::ACTION_UPDATE, out[5].change_type());
1819
1820   // Navigate away.
1821   NavigateAndCommitActiveTab(GURL("http://bar2"));
1822
1823   // Delete old WebContents. This should not crash.
1824   old_web_contents.reset();
1825
1826   // Try more navigations and verify output size. This can also reveal
1827   // bugs (leaks) on memcheck bots if the SessionSyncManager
1828   // didn't properly clean up the tab pool or session tracker.
1829   NavigateAndCommitActiveTab(GURL("http://bar3"));
1830
1831   AddTab(browser(), GURL("http://bar4"));
1832   NavigateAndCommitActiveTab(GURL("http://bar5"));
1833   ASSERT_EQ(19U, out.size());
1834 }
1835
1836 namespace {
1837 class SessionNotificationObserver : public content::NotificationObserver {
1838  public:
1839   SessionNotificationObserver() : notified_of_update_(false),
1840                                   notified_of_refresh_(false) {
1841     registrar_.Add(this, chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED,
1842                    content::NotificationService::AllSources());
1843     registrar_.Add(this, chrome::NOTIFICATION_SYNC_REFRESH_LOCAL,
1844                    content::NotificationService::AllSources());
1845   }
1846   void Observe(int type,
1847                const content::NotificationSource& source,
1848                const content::NotificationDetails& details) override {
1849     switch (type) {
1850       case chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED:
1851         notified_of_update_ = true;
1852         break;
1853       case chrome::NOTIFICATION_SYNC_REFRESH_LOCAL:
1854         notified_of_refresh_ = true;
1855         break;
1856       default:
1857         NOTREACHED();
1858         break;
1859     }
1860   }
1861   bool notified_of_update() const { return notified_of_update_; }
1862   bool notified_of_refresh() const { return notified_of_refresh_; }
1863   void Reset() {
1864     notified_of_update_ = false;
1865     notified_of_refresh_ = false;
1866   }
1867  private:
1868   content::NotificationRegistrar registrar_;
1869   bool notified_of_update_;
1870   bool notified_of_refresh_;
1871 };
1872 }  // namespace
1873
1874 // Test that NOTIFICATION_FOREIGN_SESSION_UPDATED is sent when processing
1875 // sync changes.
1876 TEST_F(SessionsSyncManagerTest, NotifiedOfUpdates) {
1877   SessionNotificationObserver observer;
1878   ASSERT_FALSE(observer.notified_of_update());
1879   InitWithNoSyncData();
1880
1881   SessionID::id_type n[] = {5};
1882   std::vector<sync_pb::SessionSpecifics> tabs1;
1883   std::vector<SessionID::id_type> tab_list(n, n + arraysize(n));
1884   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1885       "tag1", tab_list, &tabs1));
1886
1887   syncer::SyncChangeList changes;
1888   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_ADD));
1889   manager()->ProcessSyncChanges(FROM_HERE, changes);
1890   EXPECT_TRUE(observer.notified_of_update());
1891
1892   changes.clear();
1893   observer.Reset();
1894   AddTabsToChangeList(tabs1, SyncChange::ACTION_ADD, &changes);
1895   manager()->ProcessSyncChanges(FROM_HERE, changes);
1896   EXPECT_TRUE(observer.notified_of_update());
1897
1898   changes.clear();
1899   observer.Reset();
1900   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_DELETE));
1901   manager()->ProcessSyncChanges(FROM_HERE, changes);
1902   EXPECT_TRUE(observer.notified_of_update());
1903 }
1904
1905 // Test that NOTIFICATION_FOREIGN_SESSION_UPDATED is sent when handling
1906 // local hide/removal of foreign session.
1907 TEST_F(SessionsSyncManagerTest, NotifiedOfLocalRemovalOfForeignSession) {
1908   InitWithNoSyncData();
1909   const std::string tag("tag1");
1910   SessionID::id_type n[] = {5};
1911   std::vector<sync_pb::SessionSpecifics> tabs1;
1912   std::vector<SessionID::id_type> tab_list(n, n + arraysize(n));
1913   sync_pb::SessionSpecifics meta(helper()->BuildForeignSession(
1914       tag, tab_list, &tabs1));
1915
1916   syncer::SyncChangeList changes;
1917   changes.push_back(MakeRemoteChange(1, meta, SyncChange::ACTION_ADD));
1918   manager()->ProcessSyncChanges(FROM_HERE, changes);
1919
1920   SessionNotificationObserver observer;
1921   ASSERT_FALSE(observer.notified_of_update());
1922   manager()->DeleteForeignSession(tag);
1923   ASSERT_TRUE(observer.notified_of_update());
1924 }
1925
1926 #if defined(OS_ANDROID) || defined(OS_IOS)
1927 // Tests that opening the other devices page triggers a session sync refresh.
1928 // This page only exists on mobile platforms today; desktop has a
1929 // search-enhanced NTP without other devices.
1930 TEST_F(SessionsSyncManagerTest, NotifiedOfRefresh) {
1931   SessionNotificationObserver observer;
1932   ASSERT_FALSE(observer.notified_of_refresh());
1933   InitWithNoSyncData();
1934   AddTab(browser(), GURL("http://foo1"));
1935   EXPECT_FALSE(observer.notified_of_refresh());
1936   NavigateAndCommitActiveTab(GURL("chrome://newtab/#open_tabs"));
1937   EXPECT_TRUE(observer.notified_of_refresh());
1938 }
1939 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
1940
1941 // Tests receipt of duplicate tab IDs in the same window.  This should never
1942 // happen, but we want to make sure the client won't do anything bad if it does
1943 // receive such garbage input data.
1944 TEST_F(SessionsSyncManagerTest, ReceiveDuplicateTabInSameWindow) {
1945   std::string tag = "tag1";
1946
1947   // Reuse tab ID 10 in an attempt to trigger bad behavior.
1948   SessionID::id_type n1[] = {5, 10, 10, 17};
1949   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
1950   std::vector<sync_pb::SessionSpecifics> tabs1;
1951   sync_pb::SessionSpecifics meta(
1952       helper()->BuildForeignSession(tag, tab_list1, &tabs1));
1953
1954   // Set up initial data.
1955   syncer::SyncDataList initial_data;
1956   sync_pb::EntitySpecifics entity;
1957   entity.mutable_session()->CopyFrom(meta);
1958   initial_data.push_back(SyncData::CreateRemoteData(
1959       1,
1960       entity,
1961       base::Time(),
1962       syncer::AttachmentIdList(),
1963       syncer::AttachmentServiceProxyForTest::Create()));
1964   AddTabsToSyncDataList(tabs1, &initial_data);
1965
1966   syncer::SyncChangeList output;
1967   InitWithSyncDataTakeOutput(initial_data, &output);
1968 }
1969
1970 // Tests receipt of duplicate tab IDs for the same session.  The duplicate tab
1971 // ID is present in two different windows.  A client can't be expected to do
1972 // anything reasonable with this input, but we can expect that it doesn't
1973 // crash.
1974 TEST_F(SessionsSyncManagerTest, ReceiveDuplicateTabInOtherWindow) {
1975   std::string tag = "tag1";
1976
1977   SessionID::id_type n1[] = {5, 10, 17};
1978   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
1979   std::vector<sync_pb::SessionSpecifics> tabs1;
1980   sync_pb::SessionSpecifics meta(
1981       helper()->BuildForeignSession(tag, tab_list1, &tabs1));
1982
1983   // Add a second window.  Tab ID 10 is a duplicate.
1984   SessionID::id_type n2[] = {10, 18, 20};
1985   std::vector<SessionID::id_type> tab_list2(n2, n2 + arraysize(n2));
1986   helper()->AddWindowSpecifics(1, tab_list2, &meta);
1987
1988   // Set up initial data.
1989   syncer::SyncDataList initial_data;
1990   sync_pb::EntitySpecifics entity;
1991   entity.mutable_session()->CopyFrom(meta);
1992   initial_data.push_back(SyncData::CreateRemoteData(
1993       1,
1994       entity,
1995       base::Time(),
1996       syncer::AttachmentIdList(),
1997       syncer::AttachmentServiceProxyForTest::Create()));
1998   AddTabsToSyncDataList(tabs1, &initial_data);
1999
2000   for (size_t i = 0; i < tab_list2.size(); ++i) {
2001     sync_pb::EntitySpecifics entity;
2002     helper()->BuildTabSpecifics(tag, 0, tab_list2[i], entity.mutable_session());
2003     initial_data.push_back(SyncData::CreateRemoteData(
2004         i + 10,
2005         entity,
2006         base::Time(),
2007         syncer::AttachmentIdList(),
2008         syncer::AttachmentServiceProxyForTest::Create()));
2009   }
2010
2011   syncer::SyncChangeList output;
2012   InitWithSyncDataTakeOutput(initial_data, &output);
2013 }
2014
2015 // Tests receipt of multiple unassociated tabs and makes sure that
2016 // the ones with later timestamp win
2017 TEST_F(SessionsSyncManagerTest, ReceiveDuplicateUnassociatedTabs) {
2018   std::string tag = "tag1";
2019
2020   SessionID::id_type n1[] = {5, 10, 17};
2021   std::vector<SessionID::id_type> tab_list1(n1, n1 + arraysize(n1));
2022   std::vector<sync_pb::SessionSpecifics> tabs1;
2023   sync_pb::SessionSpecifics meta(
2024       helper()->BuildForeignSession(tag, tab_list1, &tabs1));
2025
2026   // Set up initial data.
2027   syncer::SyncDataList initial_data;
2028   sync_pb::EntitySpecifics entity;
2029   entity.mutable_session()->CopyFrom(meta);
2030   initial_data.push_back(SyncData::CreateRemoteData(
2031       1,
2032       entity,
2033       base::Time(),
2034       syncer::AttachmentIdList(),
2035       syncer::AttachmentServiceProxyForTest::Create()));
2036
2037   int node_id = 2;
2038
2039   for (size_t i = 0; i < tabs1.size(); i++) {
2040     entity.mutable_session()->CopyFrom(tabs1[i]);
2041     initial_data.push_back(SyncData::CreateRemoteData(
2042         node_id++,
2043         entity,
2044         base::Time::FromDoubleT(2000),
2045         syncer::AttachmentIdList(),
2046         syncer::AttachmentServiceProxyForTest::Create()));
2047   }
2048
2049   // Add two more tabs with duplicating IDs but with different modification
2050   // times, one before and one after the tabs above.
2051   // These two tabs get a different visual indices to distinguish them from the
2052   // tabs above that get visual index 1 by default.
2053   sync_pb::SessionSpecifics duplicating_tab1;
2054   helper()->BuildTabSpecifics(tag, 0, 10, &duplicating_tab1);
2055   duplicating_tab1.mutable_tab()->set_tab_visual_index(2);
2056   entity.mutable_session()->CopyFrom(duplicating_tab1);
2057   initial_data.push_back(SyncData::CreateRemoteData(
2058       node_id++,
2059       entity,
2060       base::Time::FromDoubleT(1000),
2061       syncer::AttachmentIdList(),
2062       syncer::AttachmentServiceProxyForTest::Create()));
2063
2064   sync_pb::SessionSpecifics duplicating_tab2;
2065   helper()->BuildTabSpecifics(tag, 0, 17, &duplicating_tab2);
2066   duplicating_tab2.mutable_tab()->set_tab_visual_index(3);
2067   entity.mutable_session()->CopyFrom(duplicating_tab2);
2068   initial_data.push_back(SyncData::CreateRemoteData(
2069       node_id++,
2070       entity,
2071       base::Time::FromDoubleT(3000),
2072       syncer::AttachmentIdList(),
2073       syncer::AttachmentServiceProxyForTest::Create()));
2074
2075   syncer::SyncChangeList output;
2076   InitWithSyncDataTakeOutput(initial_data, &output);
2077
2078   std::vector<const SyncedSession*> foreign_sessions;
2079   ASSERT_TRUE(manager()->GetAllForeignSessions(&foreign_sessions));
2080
2081   const std::vector<sessions::SessionTab*>& window_tabs =
2082       foreign_sessions[0]->windows.find(0)->second->tabs;
2083   ASSERT_EQ(3U, window_tabs.size());
2084   // The first one is from the original set of tabs.
2085   ASSERT_EQ(1, window_tabs[0]->tab_visual_index);
2086   // The one from the original set of tabs wins over duplicating_tab1.
2087   ASSERT_EQ(1, window_tabs[1]->tab_visual_index);
2088   // duplicating_tab2 wins due to the later timestamp.
2089   ASSERT_EQ(3, window_tabs[2]->tab_visual_index);
2090 }
2091
2092 }  // namespace browser_sync