components/drive/sync_client_unittest.cc

   1 // Copyright (c) 2012 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 "components/drive/sync_client.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/files/file_util.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/prefs/testing_pref_service.h"
  12 #include "base/run_loop.h"
  13 #include "base/single_thread_task_runner.h"
  14 #include "base/test/test_timeouts.h"
  15 #include "base/thread_task_runner_handle.h"
  16 #include "components/drive/change_list_loader.h"
  17 #include "components/drive/drive.pb.h"
  18 #include "components/drive/drive_test_util.h"
  19 #include "components/drive/event_logger.h"
  20 #include "components/drive/fake_free_disk_space_getter.h"
  21 #include "components/drive/file_cache.h"
  22 #include "components/drive/file_change.h"
  23 #include "components/drive/file_system/move_operation.h"
  24 #include "components/drive/file_system/operation_delegate.h"
  25 #include "components/drive/file_system/remove_operation.h"
  26 #include "components/drive/file_system_core_util.h"
  27 #include "components/drive/job_scheduler.h"
  28 #include "components/drive/resource_entry_conversion.h"
  29 #include "components/drive/resource_metadata.h"
  30 #include "components/drive/service/fake_drive_service.h"
  31 #include "content/public/test/test_browser_thread_bundle.h"
  32 #include "google_apis/drive/drive_api_parser.h"
  33 #include "google_apis/drive/test_util.h"
  34 #include "testing/gtest/include/gtest/gtest.h"
  35
  36 namespace drive {
  37 namespace internal {
  38
  39 namespace {
  40
  41 // The content of files initially stored in the cache.
  42 const char kLocalContent[] = "Hello!";
  43
  44 // The content of files stored in the service.
  45 const char kRemoteContent[] = "World!";
  46
  47 // SyncClientTestDriveService will return DRIVE_CANCELLED when a request is
  48 // made with the specified resource ID.
  49 class SyncClientTestDriveService : public ::drive::FakeDriveService {
  50  public:
  51   SyncClientTestDriveService() : download_file_count_(0) {}
  52
  53   // FakeDriveService override:
  54   google_apis::CancelCallback DownloadFile(
  55       const base::FilePath& local_cache_path,
  56       const std::string& resource_id,
  57       const google_apis::DownloadActionCallback& download_action_callback,
  58       const google_apis::GetContentCallback& get_content_callback,
  59       const google_apis::ProgressCallback& progress_callback) override {
  60     ++download_file_count_;
  61     if (resource_id == resource_id_to_be_cancelled_) {
  62       base::ThreadTaskRunnerHandle::Get()->PostTask(
  63           FROM_HERE,
  64           base::Bind(download_action_callback,
  65                      google_apis::DRIVE_CANCELLED,
  66                      base::FilePath()));
  67       return google_apis::CancelCallback();
  68     }
  69     if (resource_id == resource_id_to_be_paused_) {
  70       paused_action_ = base::Bind(download_action_callback,
  71                                   google_apis::DRIVE_OTHER_ERROR,
  72                                   base::FilePath());
  73       return google_apis::CancelCallback();
  74     }
  75     return FakeDriveService::DownloadFile(local_cache_path,
  76                                           resource_id,
  77                                           download_action_callback,
  78                                           get_content_callback,
  79                                           progress_callback);
  80   }
  81
  82   int download_file_count() const { return download_file_count_; }
  83
  84   void set_resource_id_to_be_cancelled(const std::string& resource_id) {
  85     resource_id_to_be_cancelled_ = resource_id;
  86   }
  87
  88   void set_resource_id_to_be_paused(const std::string& resource_id) {
  89     resource_id_to_be_paused_ = resource_id;
  90   }
  91
  92   const base::Closure& paused_action() const { return paused_action_; }
  93
  94  private:
  95   int download_file_count_;
  96   std::string resource_id_to_be_cancelled_;
  97   std::string resource_id_to_be_paused_;
  98   base::Closure paused_action_;
  99 };
 100
 101 }  // namespace
 102
 103 class SyncClientTest : public testing::Test {
 104  public:
 105   void SetUp() override {
 106     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 107
 108     pref_service_.reset(new TestingPrefServiceSimple);
 109     test_util::RegisterDrivePrefs(pref_service_->registry());
 110
 111     fake_network_change_notifier_.reset(
 112         new test_util::FakeNetworkChangeNotifier);
 113
 114     logger_.reset(new EventLogger);
 115
 116     drive_service_.reset(new SyncClientTestDriveService);
 117
 118     scheduler_.reset(new JobScheduler(
 119         pref_service_.get(),
 120         logger_.get(),
 121         drive_service_.get(),
 122         base::ThreadTaskRunnerHandle::Get().get()));
 123
 124     metadata_storage_.reset(new ResourceMetadataStorage(
 125         temp_dir_.path(), base::ThreadTaskRunnerHandle::Get().get()));
 126     ASSERT_TRUE(metadata_storage_->Initialize());
 127
 128     cache_.reset(new FileCache(metadata_storage_.get(),
 129                                temp_dir_.path(),
 130                                base::ThreadTaskRunnerHandle::Get().get(),
 131                                NULL /* free_disk_space_getter */));
 132     ASSERT_TRUE(cache_->Initialize());
 133
 134     metadata_.reset(new internal::ResourceMetadata(
 135         metadata_storage_.get(), cache_.get(),
 136         base::ThreadTaskRunnerHandle::Get()));
 137     ASSERT_EQ(FILE_ERROR_OK, metadata_->Initialize());
 138
 139     about_resource_loader_.reset(new AboutResourceLoader(scheduler_.get()));
 140     loader_controller_.reset(new LoaderController);
 141     change_list_loader_.reset(new ChangeListLoader(
 142         logger_.get(),
 143         base::ThreadTaskRunnerHandle::Get().get(),
 144         metadata_.get(),
 145         scheduler_.get(),
 146         about_resource_loader_.get(),
 147         loader_controller_.get()));
 148     ASSERT_NO_FATAL_FAILURE(SetUpTestData());
 149
 150     sync_client_.reset(new SyncClient(base::ThreadTaskRunnerHandle::Get().get(),
 151                                       &delegate_,
 152                                       scheduler_.get(),
 153                                       metadata_.get(),
 154                                       cache_.get(),
 155                                       loader_controller_.get(),
 156                                       temp_dir_.path()));
 157
 158     // Disable delaying so that DoSyncLoop() starts immediately.
 159     sync_client_->set_delay_for_testing(base::TimeDelta::FromSeconds(0));
 160   }
 161
 162   // Adds a file to the service root and |resource_ids_|.
 163   void AddFileEntry(const std::string& title) {
 164     google_apis::DriveApiErrorCode error = google_apis::DRIVE_FILE_ERROR;
 165     scoped_ptr<google_apis::FileResource> entry;
 166     drive_service_->AddNewFile(
 167         "text/plain",
 168         kRemoteContent,
 169         drive_service_->GetRootResourceId(),
 170         title,
 171         false,  // shared_with_me
 172         google_apis::test_util::CreateCopyResultCallback(&error, &entry));
 173     base::RunLoop().RunUntilIdle();
 174     ASSERT_EQ(google_apis::HTTP_CREATED, error);
 175     ASSERT_TRUE(entry);
 176     resource_ids_[title] = entry->file_id();
 177   }
 178
 179   // Sets up data for tests.
 180   void SetUpTestData() {
 181     // Prepare a temp file.
 182     base::FilePath temp_file;
 183     EXPECT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(), &temp_file));
 184     ASSERT_TRUE(google_apis::test_util::WriteStringToFile(temp_file,
 185                                                           kLocalContent));
 186
 187     // Add file entries to the service.
 188     ASSERT_NO_FATAL_FAILURE(AddFileEntry("foo"));
 189     ASSERT_NO_FATAL_FAILURE(AddFileEntry("bar"));
 190     ASSERT_NO_FATAL_FAILURE(AddFileEntry("baz"));
 191     ASSERT_NO_FATAL_FAILURE(AddFileEntry("fetched"));
 192     ASSERT_NO_FATAL_FAILURE(AddFileEntry("dirty"));
 193     ASSERT_NO_FATAL_FAILURE(AddFileEntry("removed"));
 194     ASSERT_NO_FATAL_FAILURE(AddFileEntry("moved"));
 195
 196     // Load data from the service to the metadata.
 197     FileError error = FILE_ERROR_FAILED;
 198     change_list_loader_->LoadIfNeeded(
 199         google_apis::test_util::CreateCopyResultCallback(&error));
 200     base::RunLoop().RunUntilIdle();
 201     EXPECT_EQ(FILE_ERROR_OK, error);
 202
 203     // Prepare 3 pinned-but-not-present files.
 204     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(GetLocalId("foo")));
 205     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(GetLocalId("bar")));
 206     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(GetLocalId("baz")));
 207
 208     // Prepare a pinned-and-fetched file.
 209     const std::string md5_fetched = "md5";
 210     EXPECT_EQ(FILE_ERROR_OK,
 211               cache_->Store(GetLocalId("fetched"), md5_fetched,
 212                             temp_file, FileCache::FILE_OPERATION_COPY));
 213     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(GetLocalId("fetched")));
 214
 215     // Prepare a pinned-and-fetched-and-dirty file.
 216     EXPECT_EQ(FILE_ERROR_OK,
 217               cache_->Store(GetLocalId("dirty"), std::string(),
 218                             temp_file, FileCache::FILE_OPERATION_COPY));
 219     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(GetLocalId("dirty")));
 220
 221     // Prepare a removed file.
 222     file_system::RemoveOperation remove_operation(
 223         base::ThreadTaskRunnerHandle::Get().get(), &delegate_, metadata_.get(),
 224         cache_.get());
 225     remove_operation.Remove(
 226         util::GetDriveMyDriveRootPath().AppendASCII("removed"),
 227         false,  // is_recursive
 228         google_apis::test_util::CreateCopyResultCallback(&error));
 229     base::RunLoop().RunUntilIdle();
 230     EXPECT_EQ(FILE_ERROR_OK, error);
 231
 232     // Prepare a moved file.
 233     file_system::MoveOperation move_operation(
 234         base::ThreadTaskRunnerHandle::Get().get(), &delegate_, metadata_.get());
 235     move_operation.Move(
 236         util::GetDriveMyDriveRootPath().AppendASCII("moved"),
 237         util::GetDriveMyDriveRootPath().AppendASCII("moved_new_title"),
 238         google_apis::test_util::CreateCopyResultCallback(&error));
 239     base::RunLoop().RunUntilIdle();
 240     EXPECT_EQ(FILE_ERROR_OK, error);
 241   }
 242
 243  protected:
 244   std::string GetLocalId(const std::string& title) {
 245     EXPECT_EQ(1U, resource_ids_.count(title));
 246     std::string local_id;
 247     EXPECT_EQ(FILE_ERROR_OK,
 248               metadata_->GetIdByResourceId(resource_ids_[title], &local_id));
 249     return local_id;
 250   }
 251
 252   content::TestBrowserThreadBundle thread_bundle_;
 253   base::ScopedTempDir temp_dir_;
 254   scoped_ptr<TestingPrefServiceSimple> pref_service_;
 255   scoped_ptr<test_util::FakeNetworkChangeNotifier>
 256       fake_network_change_notifier_;
 257   scoped_ptr<EventLogger> logger_;
 258   scoped_ptr<SyncClientTestDriveService> drive_service_;
 259   file_system::OperationDelegate delegate_;
 260   scoped_ptr<JobScheduler> scheduler_;
 261   scoped_ptr<ResourceMetadataStorage,
 262              test_util::DestroyHelperForTests> metadata_storage_;
 263   scoped_ptr<FileCache, test_util::DestroyHelperForTests> cache_;
 264   scoped_ptr<ResourceMetadata, test_util::DestroyHelperForTests> metadata_;
 265   scoped_ptr<AboutResourceLoader> about_resource_loader_;
 266   scoped_ptr<LoaderController> loader_controller_;
 267   scoped_ptr<ChangeListLoader> change_list_loader_;
 268   scoped_ptr<SyncClient> sync_client_;
 269
 270   std::map<std::string, std::string> resource_ids_;  // Name-to-id map.
 271 };
 272
 273 TEST_F(SyncClientTest, StartProcessingBacklog) {
 274   sync_client_->StartProcessingBacklog();
 275   base::RunLoop().RunUntilIdle();
 276
 277   ResourceEntry entry;
 278   // Pinned files get downloaded.
 279   EXPECT_EQ(FILE_ERROR_OK,
 280             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 281   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 282
 283   EXPECT_EQ(FILE_ERROR_OK,
 284             metadata_->GetResourceEntryById(GetLocalId("bar"), &entry));
 285   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 286
 287   EXPECT_EQ(FILE_ERROR_OK,
 288             metadata_->GetResourceEntryById(GetLocalId("baz"), &entry));
 289   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 290
 291   // Dirty file gets uploaded.
 292   EXPECT_EQ(FILE_ERROR_OK,
 293             metadata_->GetResourceEntryById(GetLocalId("dirty"), &entry));
 294   EXPECT_FALSE(entry.file_specific_info().cache_state().is_dirty());
 295
 296   // Removed entry is not found.
 297   google_apis::DriveApiErrorCode status = google_apis::DRIVE_OTHER_ERROR;
 298   scoped_ptr<google_apis::FileResource> server_entry;
 299   drive_service_->GetFileResource(
 300       resource_ids_["removed"],
 301       google_apis::test_util::CreateCopyResultCallback(&status, &server_entry));
 302   base::RunLoop().RunUntilIdle();
 303   EXPECT_EQ(google_apis::HTTP_SUCCESS, status);
 304   ASSERT_TRUE(server_entry);
 305   EXPECT_TRUE(server_entry->labels().is_trashed());
 306
 307   // Moved entry was moved.
 308   status = google_apis::DRIVE_OTHER_ERROR;
 309   drive_service_->GetFileResource(
 310       resource_ids_["moved"],
 311       google_apis::test_util::CreateCopyResultCallback(&status, &server_entry));
 312   base::RunLoop().RunUntilIdle();
 313   EXPECT_EQ(google_apis::HTTP_SUCCESS, status);
 314   ASSERT_TRUE(server_entry);
 315   EXPECT_EQ("moved_new_title", server_entry->title());
 316 }
 317
 318 TEST_F(SyncClientTest, AddFetchTask) {
 319   sync_client_->AddFetchTask(GetLocalId("foo"));
 320   base::RunLoop().RunUntilIdle();
 321
 322   ResourceEntry entry;
 323   EXPECT_EQ(FILE_ERROR_OK,
 324             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 325   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 326 }
 327
 328 TEST_F(SyncClientTest, AddFetchTaskAndCancelled) {
 329   // Trigger fetching of a file which results in cancellation.
 330   drive_service_->set_resource_id_to_be_cancelled(resource_ids_["foo"]);
 331   sync_client_->AddFetchTask(GetLocalId("foo"));
 332   base::RunLoop().RunUntilIdle();
 333
 334   // The file should be unpinned if the user wants the download to be cancelled.
 335   ResourceEntry entry;
 336   EXPECT_EQ(FILE_ERROR_OK,
 337             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 338   EXPECT_FALSE(entry.file_specific_info().cache_state().is_pinned());
 339 }
 340
 341 TEST_F(SyncClientTest, RemoveFetchTask) {
 342   sync_client_->AddFetchTask(GetLocalId("foo"));
 343   sync_client_->AddFetchTask(GetLocalId("bar"));
 344   sync_client_->AddFetchTask(GetLocalId("baz"));
 345
 346   sync_client_->RemoveFetchTask(GetLocalId("foo"));
 347   sync_client_->RemoveFetchTask(GetLocalId("baz"));
 348   base::RunLoop().RunUntilIdle();
 349
 350   // Only "bar" should be fetched.
 351   ResourceEntry entry;
 352   EXPECT_EQ(FILE_ERROR_OK,
 353             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 354   EXPECT_FALSE(entry.file_specific_info().cache_state().is_present());
 355
 356   EXPECT_EQ(FILE_ERROR_OK,
 357             metadata_->GetResourceEntryById(GetLocalId("bar"), &entry));
 358   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 359
 360   EXPECT_EQ(FILE_ERROR_OK,
 361             metadata_->GetResourceEntryById(GetLocalId("baz"), &entry));
 362   EXPECT_FALSE(entry.file_specific_info().cache_state().is_present());
 363
 364 }
 365
 366 TEST_F(SyncClientTest, ExistingPinnedFiles) {
 367   // Start checking the existing pinned files. This will collect the resource
 368   // IDs of pinned files, with stale local cache files.
 369   sync_client_->StartCheckingExistingPinnedFiles();
 370   base::RunLoop().RunUntilIdle();
 371
 372   // "fetched" and "dirty" are the existing pinned files.
 373   // The non-dirty one should be synced, but the dirty one should not.
 374   base::FilePath cache_file;
 375   std::string content;
 376   EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(GetLocalId("fetched"), &cache_file));
 377   EXPECT_TRUE(base::ReadFileToString(cache_file, &content));
 378   EXPECT_EQ(kRemoteContent, content);
 379   content.clear();
 380
 381   EXPECT_EQ(FILE_ERROR_OK, cache_->GetFile(GetLocalId("dirty"), &cache_file));
 382   EXPECT_TRUE(base::ReadFileToString(cache_file, &content));
 383   EXPECT_EQ(kLocalContent, content);
 384 }
 385
 386 TEST_F(SyncClientTest, RetryOnDisconnection) {
 387   // Let the service go down.
 388   drive_service_->set_offline(true);
 389   // Change the network connection state after some delay, to test that
 390   // FILE_ERROR_NO_CONNECTION is handled by SyncClient correctly.
 391   // Without this delay, JobScheduler will keep the jobs unrun and SyncClient
 392   // will receive no error.
 393   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
 394       FROM_HERE,
 395       base::Bind(&test_util::FakeNetworkChangeNotifier::SetConnectionType,
 396                  base::Unretained(fake_network_change_notifier_.get()),
 397                  net::NetworkChangeNotifier::CONNECTION_NONE),
 398       TestTimeouts::tiny_timeout());
 399
 400   // Try fetch and upload.
 401   sync_client_->AddFetchTask(GetLocalId("foo"));
 402   sync_client_->AddUpdateTask(ClientContext(USER_INITIATED),
 403                               GetLocalId("dirty"));
 404   base::RunLoop().RunUntilIdle();
 405
 406   // Not yet fetched nor uploaded.
 407   ResourceEntry entry;
 408   EXPECT_EQ(FILE_ERROR_OK,
 409             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 410   EXPECT_FALSE(entry.file_specific_info().cache_state().is_present());
 411   EXPECT_EQ(FILE_ERROR_OK,
 412             metadata_->GetResourceEntryById(GetLocalId("dirty"), &entry));
 413   EXPECT_TRUE(entry.file_specific_info().cache_state().is_dirty());
 414
 415   // Switch to online.
 416   fake_network_change_notifier_->SetConnectionType(
 417       net::NetworkChangeNotifier::CONNECTION_WIFI);
 418   drive_service_->set_offline(false);
 419   base::RunLoop().RunUntilIdle();
 420
 421   // Fetched and uploaded.
 422   EXPECT_EQ(FILE_ERROR_OK,
 423             metadata_->GetResourceEntryById(GetLocalId("foo"), &entry));
 424   EXPECT_TRUE(entry.file_specific_info().cache_state().is_present());
 425   EXPECT_EQ(FILE_ERROR_OK,
 426             metadata_->GetResourceEntryById(GetLocalId("dirty"), &entry));
 427   EXPECT_FALSE(entry.file_specific_info().cache_state().is_dirty());
 428 }
 429
 430 TEST_F(SyncClientTest, ScheduleRerun) {
 431   // Add a fetch task for "foo", this should result in being paused.
 432   drive_service_->set_resource_id_to_be_paused(resource_ids_["foo"]);
 433   sync_client_->AddFetchTask(GetLocalId("foo"));
 434   base::RunLoop().RunUntilIdle();
 435
 436   // While the first task is paused, add a task again.
 437   // This results in scheduling rerun of the task.
 438   sync_client_->AddFetchTask(GetLocalId("foo"));
 439   base::RunLoop().RunUntilIdle();
 440
 441   // Resume the paused task.
 442   drive_service_->set_resource_id_to_be_paused(std::string());
 443   ASSERT_FALSE(drive_service_->paused_action().is_null());
 444   drive_service_->paused_action().Run();
 445   base::RunLoop().RunUntilIdle();
 446
 447   // Task should be run twice.
 448   EXPECT_EQ(2, drive_service_->download_file_count());
 449 }
 450
 451 TEST_F(SyncClientTest, Dependencies) {
 452   // Create directories locally.
 453   const base::FilePath kPath1(FILE_PATH_LITERAL("drive/root/dir1"));
 454   const base::FilePath kPath2 = kPath1.AppendASCII("dir2");
 455
 456   ResourceEntry parent;
 457   EXPECT_EQ(FILE_ERROR_OK,
 458             metadata_->GetResourceEntryByPath(kPath1.DirName(), &parent));
 459
 460   ResourceEntry entry1;
 461   entry1.set_parent_local_id(parent.local_id());
 462   entry1.set_title(kPath1.BaseName().AsUTF8Unsafe());
 463   entry1.mutable_file_info()->set_is_directory(true);
 464   entry1.set_metadata_edit_state(ResourceEntry::DIRTY);
 465   std::string local_id1;
 466   EXPECT_EQ(FILE_ERROR_OK, metadata_->AddEntry(entry1, &local_id1));
 467
 468   ResourceEntry entry2;
 469   entry2.set_parent_local_id(local_id1);
 470   entry2.set_title(kPath2.BaseName().AsUTF8Unsafe());
 471   entry2.mutable_file_info()->set_is_directory(true);
 472   entry2.set_metadata_edit_state(ResourceEntry::DIRTY);
 473   std::string local_id2;
 474   EXPECT_EQ(FILE_ERROR_OK, metadata_->AddEntry(entry2, &local_id2));
 475
 476   // Start syncing the child first.
 477   sync_client_->AddUpdateTask(ClientContext(USER_INITIATED), local_id2);
 478   // Start syncing the parent later.
 479   sync_client_->AddUpdateTask(ClientContext(USER_INITIATED), local_id1);
 480   base::RunLoop().RunUntilIdle();
 481
 482   // Both entries are synced.
 483   EXPECT_EQ(FILE_ERROR_OK, metadata_->GetResourceEntryById(local_id1, &entry1));
 484   EXPECT_EQ(ResourceEntry::CLEAN, entry1.metadata_edit_state());
 485   EXPECT_EQ(FILE_ERROR_OK, metadata_->GetResourceEntryById(local_id2, &entry2));
 486   EXPECT_EQ(ResourceEntry::CLEAN, entry2.metadata_edit_state());
 487 }
 488
 489 TEST_F(SyncClientTest, WaitForUpdateTaskToComplete) {
 490   // Create a directory locally.
 491   const base::FilePath kPath(FILE_PATH_LITERAL("drive/root/dir1"));
 492
 493   ResourceEntry parent;
 494   EXPECT_EQ(FILE_ERROR_OK,
 495             metadata_->GetResourceEntryByPath(kPath.DirName(), &parent));
 496
 497   ResourceEntry entry;
 498   entry.set_parent_local_id(parent.local_id());
 499   entry.set_title(kPath.BaseName().AsUTF8Unsafe());
 500   entry.mutable_file_info()->set_is_directory(true);
 501   entry.set_metadata_edit_state(ResourceEntry::DIRTY);
 502   std::string local_id;
 503   EXPECT_EQ(FILE_ERROR_OK, metadata_->AddEntry(entry, &local_id));
 504
 505   // Sync task is not yet avialable.
 506   FileError error = FILE_ERROR_FAILED;
 507   EXPECT_FALSE(sync_client_->WaitForUpdateTaskToComplete(
 508       local_id, google_apis::test_util::CreateCopyResultCallback(&error)));
 509
 510   // Start syncing the directory and wait for it to complete.
 511   sync_client_->AddUpdateTask(ClientContext(USER_INITIATED), local_id);
 512
 513   EXPECT_TRUE(sync_client_->WaitForUpdateTaskToComplete(
 514       local_id, google_apis::test_util::CreateCopyResultCallback(&error)));
 515
 516   base::RunLoop().RunUntilIdle();
 517
 518   // The callback is called.
 519   EXPECT_EQ(FILE_ERROR_OK, error);
 520 }
 521
 522 }  // namespace internal
 523 }  // namespace drive