sync/engine/directory_update_handler_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 "sync/engine/directory_update_handler.h"
   6
   7 #include "base/compiler_specific.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/stl_util.h"
  10 #include "sync/engine/syncer_proto_util.h"
  11 #include "sync/internal_api/public/base/attachment_id_proto.h"
  12 #include "sync/internal_api/public/base/model_type.h"
  13 #include "sync/internal_api/public/test/test_entry_factory.h"
  14 #include "sync/protocol/sync.pb.h"
  15 #include "sync/sessions/directory_type_debug_info_emitter.h"
  16 #include "sync/sessions/status_controller.h"
  17 #include "sync/syncable/directory.h"
  18 #include "sync/syncable/entry.h"
  19 #include "sync/syncable/mutable_entry.h"
  20 #include "sync/syncable/syncable_model_neutral_write_transaction.h"
  21 #include "sync/syncable/syncable_proto_util.h"
  22 #include "sync/syncable/syncable_read_transaction.h"
  23 #include "sync/syncable/syncable_write_transaction.h"
  24 #include "sync/test/engine/fake_model_worker.h"
  25 #include "sync/test/engine/test_directory_setter_upper.h"
  26 #include "sync/test/engine/test_id_factory.h"
  27 #include "sync/test/engine/test_syncable_utils.h"
  28 #include "testing/gtest/include/gtest/gtest.h"
  29
  30 namespace syncer {
  31
  32 using syncable::UNITTEST;
  33
  34 static const int64 kDefaultVersion = 1000;
  35
  36 // A test harness for tests that focus on processing updates.
  37 //
  38 // Update processing is what occurs when we first download updates.  It converts
  39 // the received protobuf message into information in the syncable::Directory.
  40 // Any invalid or redundant updates will be dropped at this point.
  41 class DirectoryUpdateHandlerProcessUpdateTest : public ::testing::Test {
  42  public:
  43   DirectoryUpdateHandlerProcessUpdateTest()
  44       : ui_worker_(new FakeModelWorker(GROUP_UI)) {
  45   }
  46
  47   virtual ~DirectoryUpdateHandlerProcessUpdateTest() {}
  48
  49   virtual void SetUp() override {
  50     dir_maker_.SetUp();
  51   }
  52
  53   virtual void TearDown() override {
  54     dir_maker_.TearDown();
  55   }
  56
  57   syncable::Directory* dir() {
  58     return dir_maker_.directory();
  59   }
  60
  61  protected:
  62   scoped_ptr<sync_pb::SyncEntity> CreateUpdate(
  63       const std::string& id,
  64       const std::string& parent,
  65       const ModelType& type);
  66
  67   // This exists mostly to give tests access to the protected member function.
  68   // Warning: This takes the syncable directory lock.
  69   void UpdateSyncEntities(
  70       DirectoryUpdateHandler* handler,
  71       const SyncEntityList& applicable_updates,
  72       sessions::StatusController* status);
  73
  74   // Another function to access private member functions.
  75   void UpdateProgressMarkers(
  76       DirectoryUpdateHandler* handler,
  77       const sync_pb::DataTypeProgressMarker& progress);
  78
  79   scoped_refptr<FakeModelWorker> ui_worker() {
  80     return ui_worker_;
  81   }
  82
  83   bool EntryExists(const std::string& id) {
  84     syncable::ReadTransaction trans(FROM_HERE, dir());
  85     syncable::Entry e(&trans, syncable::GET_BY_ID,
  86                       syncable::Id::CreateFromServerId(id));
  87     return e.good() && !e.GetIsDel();
  88   }
  89
  90  protected:
  91   // Used in the construction of DirectoryTypeDebugInfoEmitters.
  92   ObserverList<TypeDebugInfoObserver> type_observers_;
  93
  94  private:
  95   base::MessageLoop loop_;  // Needed to initialize the directory.
  96   TestDirectorySetterUpper dir_maker_;
  97   scoped_refptr<FakeModelWorker> ui_worker_;
  98 };
  99
 100 scoped_ptr<sync_pb::SyncEntity>
 101 DirectoryUpdateHandlerProcessUpdateTest::CreateUpdate(
 102     const std::string& id,
 103     const std::string& parent,
 104     const ModelType& type) {
 105   scoped_ptr<sync_pb::SyncEntity> e(new sync_pb::SyncEntity());
 106   e->set_id_string(id);
 107   e->set_parent_id_string(parent);
 108   e->set_non_unique_name(id);
 109   e->set_name(id);
 110   e->set_version(kDefaultVersion);
 111   AddDefaultFieldValue(type, e->mutable_specifics());
 112   return e.Pass();
 113 }
 114
 115 void DirectoryUpdateHandlerProcessUpdateTest::UpdateSyncEntities(
 116     DirectoryUpdateHandler* handler,
 117     const SyncEntityList& applicable_updates,
 118     sessions::StatusController* status) {
 119   syncable::ModelNeutralWriteTransaction trans(FROM_HERE, UNITTEST, dir());
 120   handler->UpdateSyncEntities(&trans, applicable_updates, status);
 121 }
 122
 123 void DirectoryUpdateHandlerProcessUpdateTest::UpdateProgressMarkers(
 124     DirectoryUpdateHandler* handler,
 125     const sync_pb::DataTypeProgressMarker& progress) {
 126   handler->UpdateProgressMarker(progress);
 127 }
 128
 129 static const char kCacheGuid[] = "IrcjZ2jyzHDV9Io4+zKcXQ==";
 130
 131 // Test that the bookmark tag is set on newly downloaded items.
 132 TEST_F(DirectoryUpdateHandlerProcessUpdateTest, NewBookmarkTag) {
 133   DirectoryTypeDebugInfoEmitter emitter(BOOKMARKS, &type_observers_);
 134   DirectoryUpdateHandler handler(dir(), BOOKMARKS, ui_worker(), &emitter);
 135   sync_pb::GetUpdatesResponse gu_response;
 136   sessions::StatusController status;
 137
 138   // Add a bookmark item to the update message.
 139   std::string root = syncable::GetNullId().GetServerId();
 140   syncable::Id server_id = syncable::Id::CreateFromServerId("b1");
 141   scoped_ptr<sync_pb::SyncEntity> e =
 142       CreateUpdate(SyncableIdToProto(server_id), root, BOOKMARKS);
 143   e->set_originator_cache_guid(
 144       std::string(kCacheGuid, arraysize(kCacheGuid)-1));
 145   syncable::Id client_id = syncable::Id::CreateFromClientString("-2");
 146   e->set_originator_client_item_id(client_id.GetServerId());
 147   e->set_position_in_parent(0);
 148
 149   // Add it to the applicable updates list.
 150   SyncEntityList bookmark_updates;
 151   bookmark_updates.push_back(e.get());
 152
 153   // Process the update.
 154   UpdateSyncEntities(&handler, bookmark_updates, &status);
 155
 156   syncable::ReadTransaction trans(FROM_HERE, dir());
 157   syncable::Entry entry(&trans, syncable::GET_BY_ID, server_id);
 158   ASSERT_TRUE(entry.good());
 159   EXPECT_TRUE(UniquePosition::IsValidSuffix(entry.GetUniqueBookmarkTag()));
 160   EXPECT_TRUE(entry.GetServerUniquePosition().IsValid());
 161
 162   // If this assertion fails, that might indicate that the algorithm used to
 163   // generate bookmark tags has been modified.  This could have implications for
 164   // bookmark ordering.  Please make sure you know what you're doing if you
 165   // intend to make such a change.
 166   EXPECT_EQ("6wHRAb3kbnXV5GHrejp4/c1y5tw=", entry.GetUniqueBookmarkTag());
 167 }
 168
 169 // Test the receipt of a type root node.
 170 TEST_F(DirectoryUpdateHandlerProcessUpdateTest,
 171        ReceiveServerCreatedBookmarkFolders) {
 172   DirectoryTypeDebugInfoEmitter emitter(BOOKMARKS, &type_observers_);
 173   DirectoryUpdateHandler handler(dir(), BOOKMARKS, ui_worker(), &emitter);
 174   sync_pb::GetUpdatesResponse gu_response;
 175   sessions::StatusController status;
 176
 177   // Create an update that mimics the bookmark root.
 178   syncable::Id server_id = syncable::Id::CreateFromServerId("xyz");
 179   std::string root = syncable::GetNullId().GetServerId();
 180   scoped_ptr<sync_pb::SyncEntity> e =
 181       CreateUpdate(SyncableIdToProto(server_id), root, BOOKMARKS);
 182   e->set_server_defined_unique_tag("google_chrome_bookmarks");
 183   e->set_folder(true);
 184
 185   // Add it to the applicable updates list.
 186   SyncEntityList bookmark_updates;
 187   bookmark_updates.push_back(e.get());
 188
 189   EXPECT_FALSE(SyncerProtoUtil::ShouldMaintainPosition(*e));
 190
 191   // Process it.
 192   UpdateSyncEntities(&handler, bookmark_updates, &status);
 193
 194   // Verify the results.
 195   syncable::ReadTransaction trans(FROM_HERE, dir());
 196   syncable::Entry entry(&trans, syncable::GET_BY_ID, server_id);
 197   ASSERT_TRUE(entry.good());
 198
 199   EXPECT_FALSE(entry.ShouldMaintainPosition());
 200   EXPECT_FALSE(entry.GetUniquePosition().IsValid());
 201   EXPECT_FALSE(entry.GetServerUniquePosition().IsValid());
 202   EXPECT_TRUE(entry.GetUniqueBookmarkTag().empty());
 203 }
 204
 205 // Test the receipt of a non-bookmark item.
 206 TEST_F(DirectoryUpdateHandlerProcessUpdateTest, ReceiveNonBookmarkItem) {
 207   DirectoryTypeDebugInfoEmitter emitter(AUTOFILL, &type_observers_);
 208   DirectoryUpdateHandler handler(dir(), AUTOFILL, ui_worker(), &emitter);
 209   sync_pb::GetUpdatesResponse gu_response;
 210   sessions::StatusController status;
 211
 212   std::string root = syncable::GetNullId().GetServerId();
 213   syncable::Id server_id = syncable::Id::CreateFromServerId("xyz");
 214   scoped_ptr<sync_pb::SyncEntity> e =
 215       CreateUpdate(SyncableIdToProto(server_id), root, AUTOFILL);
 216   e->set_server_defined_unique_tag("9PGRuKdX5sHyGMB17CvYTXuC43I=");
 217
 218   // Add it to the applicable updates list.
 219   SyncEntityList autofill_updates;
 220   autofill_updates.push_back(e.get());
 221
 222   EXPECT_FALSE(SyncerProtoUtil::ShouldMaintainPosition(*e));
 223
 224   // Process it.
 225   UpdateSyncEntities(&handler, autofill_updates, &status);
 226
 227   syncable::ReadTransaction trans(FROM_HERE, dir());
 228   syncable::Entry entry(&trans, syncable::GET_BY_ID, server_id);
 229   ASSERT_TRUE(entry.good());
 230
 231   EXPECT_FALSE(entry.ShouldMaintainPosition());
 232   EXPECT_FALSE(entry.GetUniquePosition().IsValid());
 233   EXPECT_FALSE(entry.GetServerUniquePosition().IsValid());
 234   EXPECT_TRUE(entry.GetUniqueBookmarkTag().empty());
 235 }
 236
 237 // Tests the setting of progress markers.
 238 TEST_F(DirectoryUpdateHandlerProcessUpdateTest, ProcessNewProgressMarkers) {
 239   DirectoryTypeDebugInfoEmitter emitter(BOOKMARKS, &type_observers_);
 240   DirectoryUpdateHandler handler(dir(), BOOKMARKS, ui_worker(), &emitter);
 241
 242   sync_pb::DataTypeProgressMarker progress;
 243   progress.set_data_type_id(GetSpecificsFieldNumberFromModelType(BOOKMARKS));
 244   progress.set_token("token");
 245
 246   UpdateProgressMarkers(&handler, progress);
 247
 248   sync_pb::DataTypeProgressMarker saved;
 249   dir()->GetDownloadProgress(BOOKMARKS, &saved);
 250
 251   EXPECT_EQ(progress.token(), saved.token());
 252   EXPECT_EQ(progress.data_type_id(), saved.data_type_id());
 253 }
 254
 255 TEST_F(DirectoryUpdateHandlerProcessUpdateTest, GarbageCollectionByVersion) {
 256   DirectoryTypeDebugInfoEmitter emitter(SYNCED_NOTIFICATIONS, &type_observers_);
 257   DirectoryUpdateHandler handler(dir(), SYNCED_NOTIFICATIONS,
 258                                  ui_worker(), &emitter);
 259   sessions::StatusController status;
 260
 261   sync_pb::DataTypeProgressMarker progress;
 262   progress.set_data_type_id(
 263       GetSpecificsFieldNumberFromModelType(SYNCED_NOTIFICATIONS));
 264   progress.set_token("token");
 265   progress.mutable_gc_directive()->set_version_watermark(kDefaultVersion + 10);
 266
 267   sync_pb::DataTypeContext context;
 268   context.set_data_type_id(
 269       GetSpecificsFieldNumberFromModelType(SYNCED_NOTIFICATIONS));
 270   context.set_context("context");
 271   context.set_version(1);
 272
 273   scoped_ptr<sync_pb::SyncEntity> type_root =
 274       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("root")),
 275                    syncable::GetNullId().GetServerId(),
 276                    SYNCED_NOTIFICATIONS);
 277   type_root->set_server_defined_unique_tag(
 278       ModelTypeToRootTag(SYNCED_NOTIFICATIONS));
 279   type_root->set_folder(true);
 280
 281   scoped_ptr<sync_pb::SyncEntity> e1 =
 282       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("e1")),
 283                    type_root->id_string(),
 284                    SYNCED_NOTIFICATIONS);
 285
 286   scoped_ptr<sync_pb::SyncEntity> e2 =
 287       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("e2")),
 288                    type_root->id_string(),
 289                    SYNCED_NOTIFICATIONS);
 290   e2->set_version(kDefaultVersion + 100);
 291
 292   // Add to the applicable updates list.
 293   SyncEntityList updates;
 294   updates.push_back(type_root.get());
 295   updates.push_back(e1.get());
 296   updates.push_back(e2.get());
 297
 298   // Process and apply updates.
 299   EXPECT_EQ(
 300       SYNCER_OK,
 301       handler.ProcessGetUpdatesResponse(progress, context, updates, &status));
 302   handler.ApplyUpdates(&status);
 303
 304   // Verify none is deleted because they are unapplied during GC.
 305   EXPECT_TRUE(EntryExists(type_root->id_string()));
 306   EXPECT_TRUE(EntryExists(e1->id_string()));
 307   EXPECT_TRUE(EntryExists(e2->id_string()));
 308
 309   // Process and apply again. Old entry is deleted but not root.
 310   progress.mutable_gc_directive()->set_version_watermark(kDefaultVersion + 20);
 311   EXPECT_EQ(SYNCER_OK,
 312             handler.ProcessGetUpdatesResponse(
 313                 progress, context, SyncEntityList(), &status));
 314   handler.ApplyUpdates(&status);
 315   EXPECT_TRUE(EntryExists(type_root->id_string()));
 316   EXPECT_FALSE(EntryExists(e1->id_string()));
 317   EXPECT_TRUE(EntryExists(e2->id_string()));
 318 }
 319
 320 TEST_F(DirectoryUpdateHandlerProcessUpdateTest, ContextVersion) {
 321   DirectoryTypeDebugInfoEmitter emitter(SYNCED_NOTIFICATIONS, &type_observers_);
 322   DirectoryUpdateHandler handler(dir(), SYNCED_NOTIFICATIONS,
 323                                  ui_worker(), &emitter);
 324   sessions::StatusController status;
 325   int field_number = GetSpecificsFieldNumberFromModelType(SYNCED_NOTIFICATIONS);
 326
 327   sync_pb::DataTypeProgressMarker progress;
 328   progress.set_data_type_id(
 329       GetSpecificsFieldNumberFromModelType(SYNCED_NOTIFICATIONS));
 330   progress.set_token("token");
 331
 332   sync_pb::DataTypeContext old_context;
 333   old_context.set_version(1);
 334   old_context.set_context("data");
 335   old_context.set_data_type_id(field_number);
 336
 337   scoped_ptr<sync_pb::SyncEntity> type_root =
 338       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("root")),
 339                    syncable::GetNullId().GetServerId(),
 340                    SYNCED_NOTIFICATIONS);
 341   type_root->set_server_defined_unique_tag(
 342       ModelTypeToRootTag(SYNCED_NOTIFICATIONS));
 343   type_root->set_folder(true);
 344   scoped_ptr<sync_pb::SyncEntity> e1 =
 345       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("e1")),
 346                    type_root->id_string(),
 347                    SYNCED_NOTIFICATIONS);
 348
 349   SyncEntityList updates;
 350   updates.push_back(type_root.get());
 351   updates.push_back(e1.get());
 352
 353   // The first response should be processed fine.
 354   EXPECT_EQ(SYNCER_OK,
 355             handler.ProcessGetUpdatesResponse(
 356                 progress, old_context, updates, &status));
 357   handler.ApplyUpdates(&status);
 358
 359   EXPECT_TRUE(EntryExists(type_root->id_string()));
 360   EXPECT_TRUE(EntryExists(e1->id_string()));
 361
 362   {
 363     sync_pb::DataTypeContext dir_context;
 364     syncable::ReadTransaction trans(FROM_HERE, dir());
 365     trans.directory()->GetDataTypeContext(
 366         &trans, SYNCED_NOTIFICATIONS, &dir_context);
 367     EXPECT_EQ(old_context.SerializeAsString(), dir_context.SerializeAsString());
 368   }
 369
 370   sync_pb::DataTypeContext new_context;
 371   new_context.set_version(0);
 372   new_context.set_context("old");
 373   new_context.set_data_type_id(field_number);
 374
 375   scoped_ptr<sync_pb::SyncEntity> e2 =
 376       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("e2")),
 377                    type_root->id_string(),
 378                    SYNCED_NOTIFICATIONS);
 379   updates.clear();
 380   updates.push_back(e2.get());
 381
 382   // The second response, with an old context version, should result in an
 383   // error and the updates should be dropped.
 384   EXPECT_EQ(DATATYPE_TRIGGERED_RETRY,
 385             handler.ProcessGetUpdatesResponse(
 386                 progress, new_context, updates, &status));
 387   handler.ApplyUpdates(&status);
 388
 389   EXPECT_FALSE(EntryExists(e2->id_string()));
 390
 391   {
 392     sync_pb::DataTypeContext dir_context;
 393     syncable::ReadTransaction trans(FROM_HERE, dir());
 394     trans.directory()->GetDataTypeContext(
 395         &trans, SYNCED_NOTIFICATIONS, &dir_context);
 396     EXPECT_EQ(old_context.SerializeAsString(), dir_context.SerializeAsString());
 397   }
 398 }
 399
 400 // See that updates containing attachment metadata are applied
 401 // (i.e. server_attachment_metadata is copied to attachment_metadata).
 402 TEST_F(DirectoryUpdateHandlerProcessUpdateTest,
 403        ProcessAndApplyUpdatesWithAttachments) {
 404   DirectoryTypeDebugInfoEmitter emitter(ARTICLES, &type_observers_);
 405   DirectoryUpdateHandler handler(dir(), ARTICLES, ui_worker(), &emitter);
 406   sessions::StatusController status;
 407
 408   sync_pb::DataTypeProgressMarker progress;
 409   progress.set_data_type_id(GetSpecificsFieldNumberFromModelType(ARTICLES));
 410   progress.set_token("token");
 411   progress.mutable_gc_directive()->set_version_watermark(kDefaultVersion + 10);
 412
 413   sync_pb::DataTypeContext context;
 414   context.set_data_type_id(GetSpecificsFieldNumberFromModelType(ARTICLES));
 415   context.set_context("context");
 416   context.set_version(1);
 417
 418   scoped_ptr<sync_pb::SyncEntity> type_root =
 419       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("root")),
 420                    syncable::GetNullId().GetServerId(),
 421                    ARTICLES);
 422   type_root->set_server_defined_unique_tag(ModelTypeToRootTag(ARTICLES));
 423   type_root->set_folder(true);
 424
 425   scoped_ptr<sync_pb::SyncEntity> e1 =
 426       CreateUpdate(SyncableIdToProto(syncable::Id::CreateFromServerId("e1")),
 427                    type_root->id_string(),
 428                    ARTICLES);
 429   sync_pb::AttachmentIdProto* attachment_id = e1->add_attachment_id();
 430   *attachment_id = CreateAttachmentIdProto();
 431
 432   SyncEntityList updates;
 433   updates.push_back(type_root.get());
 434   updates.push_back(e1.get());
 435
 436   // Process and apply updates.
 437   EXPECT_EQ(
 438       SYNCER_OK,
 439       handler.ProcessGetUpdatesResponse(progress, context, updates, &status));
 440   handler.ApplyUpdates(&status);
 441
 442   ASSERT_TRUE(EntryExists(type_root->id_string()));
 443   ASSERT_TRUE(EntryExists(e1->id_string()));
 444   {
 445     syncable::ReadTransaction trans(FROM_HERE, dir());
 446     syncable::Entry e(&trans,
 447                       syncable::GET_BY_ID,
 448                       syncable::Id::CreateFromServerId(e1->id_string()));
 449
 450     // See that the attachment_metadata is correct.
 451     sync_pb::AttachmentMetadata attachment_metadata = e.GetAttachmentMetadata();
 452     ASSERT_EQ(1, attachment_metadata.record_size());
 453     ASSERT_EQ(attachment_id->SerializeAsString(),
 454               attachment_metadata.record(0).id().SerializeAsString());
 455     ASSERT_TRUE(attachment_metadata.record(0).is_on_server());
 456
 457     // See that attachment_metadata and server_attachment_metadata are equal.
 458     ASSERT_EQ(attachment_metadata.SerializeAsString(),
 459               e.GetServerAttachmentMetadata().SerializeAsString());
 460   }
 461 }
 462
 463 // A test harness for tests that focus on applying updates.
 464 //
 465 // Update application is performed when we want to take updates that were
 466 // previously downloaded, processed, and stored in our syncable::Directory
 467 // and use them to update our local state (both the Directory's local state
 468 // and the model's local state, though these tests focus only on the Directory's
 469 // local state).
 470 //
 471 // This is kept separate from the update processing test in part for historical
 472 // reasons, and in part because these tests may require a bit more infrastrcture
 473 // in the future.  Update application should happen on a different thread a lot
 474 // of the time so these tests may end up requiring more infrastructure than the
 475 // update processing tests.  Currently, we're bypassing most of those issues by
 476 // using FakeModelWorkers, so there's not much difference between the two test
 477 // harnesses.
 478 class DirectoryUpdateHandlerApplyUpdateTest : public ::testing::Test {
 479  public:
 480   DirectoryUpdateHandlerApplyUpdateTest()
 481       : ui_worker_(new FakeModelWorker(GROUP_UI)),
 482         password_worker_(new FakeModelWorker(GROUP_PASSWORD)),
 483         passive_worker_(new FakeModelWorker(GROUP_PASSIVE)),
 484         bookmarks_emitter_(BOOKMARKS, &type_observers_),
 485         passwords_emitter_(PASSWORDS, &type_observers_),
 486         articles_emitter_(ARTICLES, &type_observers_),
 487         update_handler_map_deleter_(&update_handler_map_) {}
 488
 489   virtual void SetUp() override {
 490     dir_maker_.SetUp();
 491     entry_factory_.reset(new TestEntryFactory(directory()));
 492
 493     update_handler_map_.insert(std::make_pair(
 494         BOOKMARKS,
 495         new DirectoryUpdateHandler(directory(), BOOKMARKS,
 496                                    ui_worker_, &bookmarks_emitter_)));
 497     update_handler_map_.insert(std::make_pair(
 498         PASSWORDS,
 499         new DirectoryUpdateHandler(directory(),
 500                                    PASSWORDS,
 501                                    password_worker_,
 502                                    &passwords_emitter_)));
 503     update_handler_map_.insert(std::make_pair(
 504         ARTICLES,
 505         new DirectoryUpdateHandler(
 506             directory(), ARTICLES, ui_worker_, &articles_emitter_)));
 507   }
 508
 509   virtual void TearDown() override {
 510     dir_maker_.TearDown();
 511   }
 512
 513   const UpdateCounters& GetBookmarksUpdateCounters() {
 514     return bookmarks_emitter_.GetUpdateCounters();
 515   }
 516
 517   const UpdateCounters& GetPasswordsUpdateCounters() {
 518     return passwords_emitter_.GetUpdateCounters();
 519   }
 520
 521   const UpdateCounters& GetArticlesUpdateCounters() {
 522     return articles_emitter_.GetUpdateCounters();
 523   }
 524
 525  protected:
 526   void ApplyBookmarkUpdates(sessions::StatusController* status) {
 527     update_handler_map_[BOOKMARKS]->ApplyUpdates(status);
 528   }
 529
 530   void ApplyPasswordUpdates(sessions::StatusController* status) {
 531     update_handler_map_[PASSWORDS]->ApplyUpdates(status);
 532   }
 533
 534   void ApplyArticlesUpdates(sessions::StatusController* status) {
 535     update_handler_map_[ARTICLES]->ApplyUpdates(status);
 536   }
 537
 538   TestEntryFactory* entry_factory() {
 539     return entry_factory_.get();
 540   }
 541
 542   syncable::Directory* directory() {
 543     return dir_maker_.directory();
 544   }
 545
 546  private:
 547   typedef std::map<ModelType, UpdateHandler*> UpdateHandlerMap;
 548
 549   base::MessageLoop loop_;  // Needed to initialize the directory.
 550   TestDirectorySetterUpper dir_maker_;
 551   scoped_ptr<TestEntryFactory> entry_factory_;
 552
 553   scoped_refptr<FakeModelWorker> ui_worker_;
 554   scoped_refptr<FakeModelWorker> password_worker_;
 555   scoped_refptr<FakeModelWorker> passive_worker_;
 556
 557   ObserverList<TypeDebugInfoObserver> type_observers_;
 558   DirectoryTypeDebugInfoEmitter bookmarks_emitter_;
 559   DirectoryTypeDebugInfoEmitter passwords_emitter_;
 560   DirectoryTypeDebugInfoEmitter articles_emitter_;
 561
 562   UpdateHandlerMap update_handler_map_;
 563   STLValueDeleter<UpdateHandlerMap> update_handler_map_deleter_;
 564 };
 565
 566 namespace {
 567 sync_pb::EntitySpecifics DefaultBookmarkSpecifics() {
 568   sync_pb::EntitySpecifics result;
 569   AddDefaultFieldValue(BOOKMARKS, &result);
 570   return result;
 571 }
 572 } // namespace
 573
 574 // Test update application for a few bookmark items.
 575 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, SimpleBookmark) {
 576   sessions::StatusController status;
 577
 578   std::string root_server_id = syncable::GetNullId().GetServerId();
 579   int64 parent_handle =
 580       entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 581           "parent", DefaultBookmarkSpecifics(), root_server_id);
 582   int64 child_handle =
 583       entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 584           "child", DefaultBookmarkSpecifics(), "parent");
 585
 586   ApplyBookmarkUpdates(&status);
 587
 588   const UpdateCounters& counter = GetBookmarksUpdateCounters();
 589   EXPECT_EQ(0, counter.num_encryption_conflict_application_failures)
 590       << "Simple update shouldn't result in conflicts";
 591   EXPECT_EQ(0, counter.num_hierarchy_conflict_application_failures)
 592       << "Simple update shouldn't result in conflicts";
 593   EXPECT_EQ(2, counter.num_updates_applied)
 594       << "All items should have been successfully applied";
 595
 596   {
 597     syncable::ReadTransaction trans(FROM_HERE, directory());
 598
 599     syncable::Entry parent(&trans, syncable::GET_BY_HANDLE, parent_handle);
 600     syncable::Entry child(&trans, syncable::GET_BY_HANDLE, child_handle);
 601
 602     ASSERT_TRUE(parent.good());
 603     ASSERT_TRUE(child.good());
 604
 605     EXPECT_FALSE(parent.GetIsUnsynced());
 606     EXPECT_FALSE(parent.GetIsUnappliedUpdate());
 607     EXPECT_FALSE(child.GetIsUnsynced());
 608     EXPECT_FALSE(child.GetIsUnappliedUpdate());
 609   }
 610 }
 611
 612 // Test that the applicator can handle updates delivered out of order.
 613 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
 614        BookmarkChildrenBeforeParent) {
 615   // Start with some bookmarks whose parents are unknown.
 616   std::string root_server_id = syncable::GetNullId().GetServerId();
 617   int64 a_handle = entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 618       "a_child_created_first", DefaultBookmarkSpecifics(), "parent");
 619   int64 x_handle = entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 620       "x_child_created_first", DefaultBookmarkSpecifics(), "parent");
 621
 622   // Update application will fail.
 623   sessions::StatusController status1;
 624   ApplyBookmarkUpdates(&status1);
 625   EXPECT_EQ(0, status1.num_updates_applied());
 626   EXPECT_EQ(2, status1.num_hierarchy_conflicts());
 627
 628   {
 629     syncable::ReadTransaction trans(FROM_HERE, directory());
 630
 631     syncable::Entry a(&trans, syncable::GET_BY_HANDLE, a_handle);
 632     syncable::Entry x(&trans, syncable::GET_BY_HANDLE, x_handle);
 633
 634     ASSERT_TRUE(a.good());
 635     ASSERT_TRUE(x.good());
 636
 637     EXPECT_TRUE(a.GetIsUnappliedUpdate());
 638     EXPECT_TRUE(x.GetIsUnappliedUpdate());
 639   }
 640
 641   // Now add their parent and a few siblings.
 642   entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 643       "parent", DefaultBookmarkSpecifics(), root_server_id);
 644   entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 645       "a_child_created_second", DefaultBookmarkSpecifics(), "parent");
 646   entry_factory()->CreateUnappliedNewBookmarkItemWithParent(
 647       "x_child_created_second", DefaultBookmarkSpecifics(), "parent");
 648
 649   // Update application will succeed.
 650   sessions::StatusController status2;
 651   ApplyBookmarkUpdates(&status2);
 652   EXPECT_EQ(5, status2.num_updates_applied())
 653       << "All updates should have been successfully applied";
 654
 655   {
 656     syncable::ReadTransaction trans(FROM_HERE, directory());
 657
 658     syncable::Entry a(&trans, syncable::GET_BY_HANDLE, a_handle);
 659     syncable::Entry x(&trans, syncable::GET_BY_HANDLE, x_handle);
 660
 661     ASSERT_TRUE(a.good());
 662     ASSERT_TRUE(x.good());
 663
 664     EXPECT_FALSE(a.GetIsUnappliedUpdate());
 665     EXPECT_FALSE(x.GetIsUnappliedUpdate());
 666   }
 667 }
 668
 669 // Try to apply changes on an item that is both IS_UNSYNCED and
 670 // IS_UNAPPLIED_UPDATE.  Conflict resolution should be performed.
 671 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, SimpleBookmarkConflict) {
 672   int64 handle = entry_factory()->CreateUnappliedAndUnsyncedBookmarkItem("x");
 673
 674   int original_server_version = -10;
 675   {
 676     syncable::ReadTransaction trans(FROM_HERE, directory());
 677     syncable::Entry e(&trans, syncable::GET_BY_HANDLE, handle);
 678     original_server_version = e.GetServerVersion();
 679     ASSERT_NE(original_server_version, e.GetBaseVersion());
 680     EXPECT_TRUE(e.GetIsUnsynced());
 681   }
 682
 683   sessions::StatusController status;
 684   ApplyBookmarkUpdates(&status);
 685
 686   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 687   EXPECT_EQ(1, counters.num_server_overwrites)
 688       << "Unsynced and unapplied item conflict should be resolved";
 689   EXPECT_EQ(0, counters.num_updates_applied)
 690       << "Update should not be applied; we should override the server.";
 691
 692   {
 693     syncable::ReadTransaction trans(FROM_HERE, directory());
 694     syncable::Entry e(&trans, syncable::GET_BY_HANDLE, handle);
 695     ASSERT_TRUE(e.good());
 696     EXPECT_EQ(original_server_version, e.GetServerVersion());
 697     EXPECT_EQ(original_server_version, e.GetBaseVersion());
 698     EXPECT_FALSE(e.GetIsUnappliedUpdate());
 699
 700     // The unsynced flag will remain set until we successfully commit the item.
 701     EXPECT_TRUE(e.GetIsUnsynced());
 702   }
 703 }
 704
 705 // Create a simple conflict that is also a hierarchy conflict.  If we were to
 706 // follow the normal "server wins" logic, we'd end up violating hierarchy
 707 // constraints.  The hierarchy conflict must take precedence.  We can not allow
 708 // the update to be applied.  The item must remain in the conflict state.
 709 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, HierarchyAndSimpleConflict) {
 710   // Create a simply-conflicting item.  It will start with valid parent ids.
 711   int64 handle = entry_factory()->CreateUnappliedAndUnsyncedBookmarkItem(
 712       "orphaned_by_server");
 713   {
 714     // Manually set the SERVER_PARENT_ID to bad value.
 715     // A bad parent indicates a hierarchy conflict.
 716     syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory());
 717     syncable::MutableEntry entry(&trans, syncable::GET_BY_HANDLE, handle);
 718     ASSERT_TRUE(entry.good());
 719
 720     entry.PutServerParentId(TestIdFactory::MakeServer("bogus_parent"));
 721   }
 722
 723   sessions::StatusController status;
 724   ApplyBookmarkUpdates(&status);
 725
 726   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 727   EXPECT_EQ(0, counters.num_updates_applied);
 728   EXPECT_EQ(0, counters.num_server_overwrites);
 729   EXPECT_EQ(1, counters.num_hierarchy_conflict_application_failures);
 730
 731   {
 732     syncable::ReadTransaction trans(FROM_HERE, directory());
 733     syncable::Entry e(&trans, syncable::GET_BY_HANDLE, handle);
 734     ASSERT_TRUE(e.good());
 735     EXPECT_TRUE(e.GetIsUnappliedUpdate());
 736     EXPECT_TRUE(e.GetIsUnsynced());
 737   }
 738 }
 739
 740 // Attempt to apply an udpate that would create a bookmark folder loop.  This
 741 // application should fail.
 742 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, BookmarkFolderLoop) {
 743   // Item 'X' locally has parent of 'root'.  Server is updating it to have
 744   // parent of 'Y'.
 745
 746   // Create it as a child of root node.
 747   int64 handle = entry_factory()->CreateSyncedItem("X", BOOKMARKS, true);
 748
 749   {
 750     syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory());
 751     syncable::MutableEntry entry(&trans, syncable::GET_BY_HANDLE, handle);
 752     ASSERT_TRUE(entry.good());
 753
 754     // Re-parent from root to "Y"
 755     entry.PutServerVersion(entry_factory()->GetNextRevision());
 756     entry.PutIsUnappliedUpdate(true);
 757     entry.PutServerParentId(TestIdFactory::MakeServer("Y"));
 758   }
 759
 760   // Item 'Y' is child of 'X'.
 761   entry_factory()->CreateUnsyncedItem(
 762       TestIdFactory::MakeServer("Y"), TestIdFactory::MakeServer("X"), "Y", true,
 763       BOOKMARKS, NULL);
 764
 765   // If the server's update were applied, we would have X be a child of Y, and Y
 766   // as a child of X.  That's a directory loop.  The UpdateApplicator should
 767   // prevent the update from being applied and note that this is a hierarchy
 768   // conflict.
 769
 770   sessions::StatusController status;
 771   ApplyBookmarkUpdates(&status);
 772
 773   // This should count as a hierarchy conflict.
 774   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 775   EXPECT_EQ(1, counters.num_hierarchy_conflict_application_failures);
 776
 777   {
 778     syncable::ReadTransaction trans(FROM_HERE, directory());
 779     syncable::Entry e(&trans, syncable::GET_BY_HANDLE, handle);
 780     ASSERT_TRUE(e.good());
 781     EXPECT_TRUE(e.GetIsUnappliedUpdate());
 782     EXPECT_FALSE(e.GetIsUnsynced());
 783   }
 784 }
 785
 786 // Test update application where the update has been orphaned by a local folder
 787 // deletion.  The update application attempt should fail.
 788 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
 789        HierarchyConflictDeletedParent) {
 790   // Create a locally deleted parent item.
 791   int64 parent_handle;
 792   entry_factory()->CreateUnsyncedItem(
 793       syncable::Id::CreateFromServerId("parent"), TestIdFactory::root(),
 794       "parent", true, BOOKMARKS, &parent_handle);
 795   {
 796     syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory());
 797     syncable::MutableEntry entry(&trans,
 798                                  syncable::GET_BY_HANDLE,
 799                                  parent_handle);
 800     entry.PutIsDel(true);
 801   }
 802
 803   // Create an incoming child from the server.
 804   int64 child_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 805       "child", DefaultBookmarkSpecifics(), "parent");
 806
 807   // The server's update may seem valid to some other client, but on this client
 808   // that new item's parent no longer exists.  The update should not be applied
 809   // and the update applicator should indicate this is a hierarchy conflict.
 810
 811   sessions::StatusController status;
 812   ApplyBookmarkUpdates(&status);
 813   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 814   EXPECT_EQ(1, counters.num_hierarchy_conflict_application_failures);
 815
 816   {
 817     syncable::ReadTransaction trans(FROM_HERE, directory());
 818     syncable::Entry child(&trans, syncable::GET_BY_HANDLE, child_handle);
 819     ASSERT_TRUE(child.good());
 820     EXPECT_TRUE(child.GetIsUnappliedUpdate());
 821     EXPECT_FALSE(child.GetIsUnsynced());
 822   }
 823 }
 824
 825 // Attempt to apply an update that deletes a folder where the folder has
 826 // locally-created children.  The update application should fail.
 827 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
 828        HierarchyConflictDeleteNonEmptyDirectory) {
 829   // Create a server-deleted folder as a child of root node.
 830   int64 parent_handle =
 831       entry_factory()->CreateSyncedItem("parent", BOOKMARKS, true);
 832   {
 833     syncable::WriteTransaction trans(FROM_HERE, UNITTEST, directory());
 834     syncable::MutableEntry entry(&trans,
 835                                  syncable::GET_BY_HANDLE,
 836                                  parent_handle);
 837     ASSERT_TRUE(entry.good());
 838
 839     // Delete it on the server.
 840     entry.PutServerVersion(entry_factory()->GetNextRevision());
 841     entry.PutIsUnappliedUpdate(true);
 842     entry.PutServerParentId(TestIdFactory::root());
 843     entry.PutServerIsDel(true);
 844   }
 845
 846   // Create a local child of the server-deleted directory.
 847   entry_factory()->CreateUnsyncedItem(
 848       TestIdFactory::MakeServer("child"), TestIdFactory::MakeServer("parent"),
 849       "child", false, BOOKMARKS, NULL);
 850
 851   // The server's request to delete the directory must be ignored, otherwise our
 852   // unsynced new child would be orphaned.  This is a hierarchy conflict.
 853
 854   sessions::StatusController status;
 855   ApplyBookmarkUpdates(&status);
 856
 857   // This should count as a hierarchy conflict.
 858   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 859   EXPECT_EQ(1, counters.num_hierarchy_conflict_application_failures);
 860
 861   {
 862     syncable::ReadTransaction trans(FROM_HERE, directory());
 863     syncable::Entry parent(&trans, syncable::GET_BY_HANDLE, parent_handle);
 864     ASSERT_TRUE(parent.good());
 865     EXPECT_TRUE(parent.GetIsUnappliedUpdate());
 866     EXPECT_FALSE(parent.GetIsUnsynced());
 867   }
 868 }
 869
 870 // Attempt to apply updates where the updated item's parent is not known to this
 871 // client.  The update application attempt should fail.
 872 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
 873        HierarchyConflictUnknownParent) {
 874   // We shouldn't be able to do anything with either of these items.
 875   int64 x_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 876       "some_item", DefaultBookmarkSpecifics(), "unknown_parent");
 877   int64 y_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 878       "some_other_item", DefaultBookmarkSpecifics(), "some_item");
 879
 880   sessions::StatusController status;
 881   ApplyBookmarkUpdates(&status);
 882
 883   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 884   EXPECT_EQ(2, counters.num_hierarchy_conflict_application_failures)
 885       << "All updates with an unknown ancestors should be in conflict";
 886   EXPECT_EQ(0, counters.num_updates_applied)
 887       << "No item with an unknown ancestor should be applied";
 888
 889   {
 890     syncable::ReadTransaction trans(FROM_HERE, directory());
 891     syncable::Entry x(&trans, syncable::GET_BY_HANDLE, x_handle);
 892     syncable::Entry y(&trans, syncable::GET_BY_HANDLE, y_handle);
 893     ASSERT_TRUE(x.good());
 894     ASSERT_TRUE(y.good());
 895     EXPECT_TRUE(x.GetIsUnappliedUpdate());
 896     EXPECT_TRUE(y.GetIsUnappliedUpdate());
 897     EXPECT_FALSE(x.GetIsUnsynced());
 898     EXPECT_FALSE(y.GetIsUnsynced());
 899   }
 900 }
 901
 902 // Attempt application of a mix of items.  Some update application attempts will
 903 // fail due to hierarchy conflicts.  Others should succeed.
 904 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, ItemsBothKnownAndUnknown) {
 905   // See what happens when there's a mixture of good and bad updates.
 906   std::string root_server_id = syncable::GetNullId().GetServerId();
 907   int64 u1_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 908       "first_unknown_item", DefaultBookmarkSpecifics(), "unknown_parent");
 909   int64 k1_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 910       "first_known_item", DefaultBookmarkSpecifics(), root_server_id);
 911   int64 u2_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 912       "second_unknown_item", DefaultBookmarkSpecifics(), "unknown_parent");
 913   int64 k2_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 914       "second_known_item", DefaultBookmarkSpecifics(), "first_known_item");
 915   int64 k3_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 916       "third_known_item", DefaultBookmarkSpecifics(), "fourth_known_item");
 917   int64 k4_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 918       "fourth_known_item", DefaultBookmarkSpecifics(), root_server_id);
 919
 920   sessions::StatusController status;
 921   ApplyBookmarkUpdates(&status);
 922
 923   const UpdateCounters& counters = GetBookmarksUpdateCounters();
 924   EXPECT_EQ(2, counters.num_hierarchy_conflict_application_failures)
 925       << "The updates with unknown ancestors should be in conflict";
 926   EXPECT_EQ(4, counters.num_updates_applied)
 927       << "The updates with known ancestors should be successfully applied";
 928
 929   {
 930     syncable::ReadTransaction trans(FROM_HERE, directory());
 931     syncable::Entry u1(&trans, syncable::GET_BY_HANDLE, u1_handle);
 932     syncable::Entry u2(&trans, syncable::GET_BY_HANDLE, u2_handle);
 933     syncable::Entry k1(&trans, syncable::GET_BY_HANDLE, k1_handle);
 934     syncable::Entry k2(&trans, syncable::GET_BY_HANDLE, k2_handle);
 935     syncable::Entry k3(&trans, syncable::GET_BY_HANDLE, k3_handle);
 936     syncable::Entry k4(&trans, syncable::GET_BY_HANDLE, k4_handle);
 937     ASSERT_TRUE(u1.good());
 938     ASSERT_TRUE(u2.good());
 939     ASSERT_TRUE(k1.good());
 940     ASSERT_TRUE(k2.good());
 941     ASSERT_TRUE(k3.good());
 942     ASSERT_TRUE(k4.good());
 943     EXPECT_TRUE(u1.GetIsUnappliedUpdate());
 944     EXPECT_TRUE(u2.GetIsUnappliedUpdate());
 945     EXPECT_FALSE(k1.GetIsUnappliedUpdate());
 946     EXPECT_FALSE(k2.GetIsUnappliedUpdate());
 947     EXPECT_FALSE(k3.GetIsUnappliedUpdate());
 948     EXPECT_FALSE(k4.GetIsUnappliedUpdate());
 949   }
 950 }
 951
 952 // Attempt application of password upates where the passphrase is known.
 953 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, DecryptablePassword) {
 954   // Decryptable password updates should be applied.
 955   Cryptographer* cryptographer;
 956   {
 957     // Storing the cryptographer separately is bad, but for this test we
 958     // know it's safe.
 959     syncable::ReadTransaction trans(FROM_HERE, directory());
 960     cryptographer = directory()->GetCryptographer(&trans);
 961   }
 962
 963   KeyParams params = {"localhost", "dummy", "foobar"};
 964   cryptographer->AddKey(params);
 965
 966   sync_pb::EntitySpecifics specifics;
 967   sync_pb::PasswordSpecificsData data;
 968   data.set_origin("http://example.com");
 969
 970   cryptographer->Encrypt(data,
 971                          specifics.mutable_password()->mutable_encrypted());
 972   int64 handle =
 973       entry_factory()->CreateUnappliedNewItem("item", specifics, false);
 974
 975   sessions::StatusController status;
 976   ApplyPasswordUpdates(&status);
 977
 978   const UpdateCounters& counters = GetPasswordsUpdateCounters();
 979   EXPECT_EQ(1, counters.num_updates_applied)
 980       << "The updates that can be decrypted should be applied";
 981
 982   {
 983     syncable::ReadTransaction trans(FROM_HERE, directory());
 984     syncable::Entry e(&trans, syncable::GET_BY_HANDLE, handle);
 985     ASSERT_TRUE(e.good());
 986     EXPECT_FALSE(e.GetIsUnappliedUpdate());
 987     EXPECT_FALSE(e.GetIsUnsynced());
 988   }
 989 }
 990
 991 // Attempt application of encrypted items when the passphrase is not known.
 992 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, UndecryptableData) {
 993   // Undecryptable updates should not be applied.
 994   sync_pb::EntitySpecifics encrypted_bookmark;
 995   encrypted_bookmark.mutable_encrypted();
 996   AddDefaultFieldValue(BOOKMARKS, &encrypted_bookmark);
 997   std::string root_server_id = syncable::GetNullId().GetServerId();
 998   int64 folder_handle = entry_factory()->CreateUnappliedNewItemWithParent(
 999       "folder",
1000       encrypted_bookmark,
1001       root_server_id);
1002   int64 bookmark_handle = entry_factory()->CreateUnappliedNewItem(
1003       "item2",
1004       encrypted_bookmark,
1005       false);
1006   sync_pb::EntitySpecifics encrypted_password;
1007   encrypted_password.mutable_password();
1008   int64 password_handle = entry_factory()->CreateUnappliedNewItem(
1009       "item3",
1010       encrypted_password,
1011       false);
1012
1013   sessions::StatusController status;
1014   ApplyBookmarkUpdates(&status);
1015   ApplyPasswordUpdates(&status);
1016
1017   const UpdateCounters& bm_counters = GetBookmarksUpdateCounters();
1018   EXPECT_EQ(2, bm_counters.num_encryption_conflict_application_failures)
1019       << "Updates that can't be decrypted should be in encryption conflict";
1020   EXPECT_EQ(0, bm_counters.num_updates_applied)
1021       << "No update that can't be decrypted should be applied";
1022
1023   const UpdateCounters& pw_counters = GetPasswordsUpdateCounters();
1024   EXPECT_EQ(1, pw_counters.num_encryption_conflict_application_failures)
1025       << "Updates that can't be decrypted should be in encryption conflict";
1026   EXPECT_EQ(0, pw_counters.num_updates_applied)
1027       << "No update that can't be decrypted should be applied";
1028
1029   {
1030     syncable::ReadTransaction trans(FROM_HERE, directory());
1031     syncable::Entry folder(&trans, syncable::GET_BY_HANDLE, folder_handle);
1032     syncable::Entry bm(&trans, syncable::GET_BY_HANDLE, bookmark_handle);
1033     syncable::Entry pw(&trans, syncable::GET_BY_HANDLE, password_handle);
1034     ASSERT_TRUE(folder.good());
1035     ASSERT_TRUE(bm.good());
1036     ASSERT_TRUE(pw.good());
1037     EXPECT_TRUE(folder.GetIsUnappliedUpdate());
1038     EXPECT_TRUE(bm.GetIsUnappliedUpdate());
1039     EXPECT_TRUE(pw.GetIsUnappliedUpdate());
1040   }
1041 }
1042
1043 // Test a mix of decryptable and undecryptable updates.
1044 TEST_F(DirectoryUpdateHandlerApplyUpdateTest, SomeUndecryptablePassword) {
1045   Cryptographer* cryptographer;
1046
1047   int64 decryptable_handle = -1;
1048   int64 undecryptable_handle = -1;
1049
1050   // Only decryptable password updates should be applied.
1051   {
1052     sync_pb::EntitySpecifics specifics;
1053     sync_pb::PasswordSpecificsData data;
1054     data.set_origin("http://example.com/1");
1055     {
1056       syncable::ReadTransaction trans(FROM_HERE, directory());
1057       cryptographer = directory()->GetCryptographer(&trans);
1058
1059       KeyParams params = {"localhost", "dummy", "foobar"};
1060       cryptographer->AddKey(params);
1061
1062       cryptographer->Encrypt(data,
1063           specifics.mutable_password()->mutable_encrypted());
1064     }
1065     decryptable_handle =
1066         entry_factory()->CreateUnappliedNewItem("item1", specifics, false);
1067   }
1068   {
1069     // Create a new cryptographer, independent of the one in the session.
1070     Cryptographer other_cryptographer(cryptographer->encryptor());
1071     KeyParams params = {"localhost", "dummy", "bazqux"};
1072     other_cryptographer.AddKey(params);
1073
1074     sync_pb::EntitySpecifics specifics;
1075     sync_pb::PasswordSpecificsData data;
1076     data.set_origin("http://example.com/2");
1077
1078     other_cryptographer.Encrypt(data,
1079         specifics.mutable_password()->mutable_encrypted());
1080     undecryptable_handle =
1081         entry_factory()->CreateUnappliedNewItem("item2", specifics, false);
1082   }
1083
1084   sessions::StatusController status;
1085   ApplyPasswordUpdates(&status);
1086
1087   const UpdateCounters& counters = GetPasswordsUpdateCounters();
1088   EXPECT_EQ(1, counters.num_encryption_conflict_application_failures)
1089       << "The updates that can't be decrypted should be in encryption "
1090       << "conflict";
1091   EXPECT_EQ(1, counters.num_updates_applied)
1092       << "The undecryptable password update shouldn't be applied";
1093
1094   {
1095     syncable::ReadTransaction trans(FROM_HERE, directory());
1096     syncable::Entry e1(&trans, syncable::GET_BY_HANDLE, decryptable_handle);
1097     syncable::Entry e2(&trans, syncable::GET_BY_HANDLE, undecryptable_handle);
1098     ASSERT_TRUE(e1.good());
1099     ASSERT_TRUE(e2.good());
1100     EXPECT_FALSE(e1.GetIsUnappliedUpdate());
1101     EXPECT_TRUE(e2.GetIsUnappliedUpdate());
1102   }
1103 }
1104
1105 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
1106        SimpleConflictDifferentAttachmentMetadata) {
1107   const bool is_folder = false;
1108   sync_pb::EntitySpecifics specifics;
1109   *specifics.mutable_article() = sync_pb::ArticleSpecifics();
1110   int64 handle = entry_factory()->CreateSyncedItem("art1", ARTICLES, is_folder);
1111
1112   sync_pb::AttachmentIdProto local_attachment_id = CreateAttachmentIdProto();
1113   sync_pb::AttachmentIdProto server_attachment_id = CreateAttachmentIdProto();
1114
1115   // Add an attachment to the local attachment metadata.
1116   sync_pb::AttachmentMetadata local_metadata;
1117   sync_pb::AttachmentMetadataRecord* local_record = local_metadata.add_record();
1118   *local_record->mutable_id() = local_attachment_id;
1119   local_record->set_is_on_server(true);
1120   entry_factory()->SetLocalAttachmentMetadataForItem(handle, local_metadata);
1121
1122   // Add a different attachment to the server attachment metadata.
1123   sync_pb::AttachmentMetadata server_metadata;
1124   sync_pb::AttachmentMetadataRecord* server_record =
1125       server_metadata.add_record();
1126   *server_record->mutable_id() = server_attachment_id;
1127   server_record->set_is_on_server(true);
1128   entry_factory()->SetServerAttachmentMetadataForItem(handle, server_metadata);
1129
1130   // At this point we have a simple conflict.  The server says art1 should have
1131   // server_attachment_id, but the local sync engine says it should have
1132   // local_attachment_id.
1133
1134   sessions::StatusController status;
1135   ApplyArticlesUpdates(&status);
1136
1137   // See that the server won.
1138   const UpdateCounters& counters = GetArticlesUpdateCounters();
1139   EXPECT_EQ(1, counters.num_updates_applied);
1140   EXPECT_EQ(1, counters.num_local_overwrites);
1141   EXPECT_EQ(0, counters.num_server_overwrites);
1142   local_metadata = entry_factory()->GetLocalAttachmentMetadataForItem(handle);
1143   EXPECT_EQ(server_metadata.SerializeAsString(),
1144             local_metadata.SerializeAsString());
1145 }
1146
1147 TEST_F(DirectoryUpdateHandlerApplyUpdateTest,
1148        SimpleConflictSameAttachmentMetadataDifferentOrder) {
1149   const bool is_folder = false;
1150   sync_pb::EntitySpecifics specifics;
1151   *specifics.mutable_article() = sync_pb::ArticleSpecifics();
1152   int64 handle = entry_factory()->CreateSyncedItem("art1", ARTICLES, is_folder);
1153
1154   sync_pb::AttachmentIdProto id1 = CreateAttachmentIdProto();
1155   sync_pb::AttachmentIdProto id2 = CreateAttachmentIdProto();
1156
1157   // Add id1, then id2 to the local attachment metadata.
1158   sync_pb::AttachmentMetadata local_metadata;
1159   sync_pb::AttachmentMetadataRecord* record = local_metadata.add_record();
1160   *record->mutable_id() = id1;
1161   record->set_is_on_server(true);
1162   record = local_metadata.add_record();
1163   *record->mutable_id() = id2;
1164   record->set_is_on_server(true);
1165   entry_factory()->SetLocalAttachmentMetadataForItem(handle, local_metadata);
1166
1167   // Add id1 and id2 to the server attachment metadata, but in reverse order.
1168   sync_pb::AttachmentMetadata server_metadata;
1169   record = server_metadata.add_record();
1170   *record->mutable_id() = id2;
1171   record->set_is_on_server(true);
1172   record = local_metadata.add_record();
1173   *record->mutable_id() = id1;
1174   record->set_is_on_server(true);
1175   entry_factory()->SetServerAttachmentMetadataForItem(handle, server_metadata);
1176
1177   // At this point we have a (false) conflict.
1178
1179   sessions::StatusController status;
1180   ApplyArticlesUpdates(&status);
1181
1182   // See that the server won.
1183   const UpdateCounters& counters = GetArticlesUpdateCounters();
1184   EXPECT_EQ(1, counters.num_updates_applied);
1185   EXPECT_EQ(1, counters.num_local_overwrites);
1186   EXPECT_EQ(0, counters.num_server_overwrites);
1187   local_metadata = entry_factory()->GetLocalAttachmentMetadataForItem(handle);
1188   EXPECT_EQ(server_metadata.SerializeAsString(),
1189             local_metadata.SerializeAsString());
1190 }
1191
1192 }  // namespace syncer