src/chrome/browser/sync/backend_migrator_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 "chrome/browser/sync/backend_migrator.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/tracked_objects.h"
   9 #include "chrome/browser/chrome_notification_types.h"
  10 #include "chrome/browser/sync/profile_sync_service_mock.h"
  11 #include "components/sync_driver/data_type_manager_mock.h"
  12 #include "sync/internal_api/public/base/model_type_test_util.h"
  13 #include "sync/internal_api/public/test/test_user_share.h"
  14 #include "sync/internal_api/public/write_transaction.h"
  15 #include "sync/protocol/sync.pb.h"
  16 #include "sync/syncable/directory.h"  // TODO(tim): Remove. Bug 131130.
  17 #include "testing/gmock/include/gmock/gmock.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 using ::testing::_;
  21 using ::testing::Eq;
  22 using ::testing::Mock;
  23 using ::testing::NiceMock;
  24 using ::testing::Return;
  25
  26 namespace browser_sync {
  27
  28 using syncer::sessions::SyncSessionSnapshot;
  29
  30 class SyncBackendMigratorTest : public testing::Test {
  31  public:
  32   SyncBackendMigratorTest() : service_(&profile_) { }
  33   virtual ~SyncBackendMigratorTest() { }
  34
  35   virtual void SetUp() {
  36     test_user_share_.SetUp();
  37     Mock::VerifyAndClear(manager());
  38     Mock::VerifyAndClear(&service_);
  39     preferred_types_.Put(syncer::BOOKMARKS);
  40     preferred_types_.Put(syncer::PREFERENCES);
  41     preferred_types_.Put(syncer::AUTOFILL);
  42
  43     ON_CALL(service_, GetPreferredDataTypes()).
  44         WillByDefault(Return(preferred_types_));
  45
  46     migrator_.reset(
  47         new BackendMigrator(
  48             "Profile0", test_user_share_.user_share(), service(), manager(),
  49             base::Closure()));
  50     SetUnsyncedTypes(syncer::ModelTypeSet());
  51   }
  52
  53   virtual void TearDown() {
  54     migrator_.reset();
  55     test_user_share_.TearDown();
  56   }
  57
  58   // Marks all types in |unsynced_types| as unsynced  and all other
  59   // types as synced.
  60   void SetUnsyncedTypes(syncer::ModelTypeSet unsynced_types) {
  61     syncer::WriteTransaction trans(FROM_HERE,
  62                                      test_user_share_.user_share());
  63     for (int i = syncer::FIRST_REAL_MODEL_TYPE;
  64          i < syncer::MODEL_TYPE_COUNT; ++i) {
  65       syncer::ModelType type = syncer::ModelTypeFromInt(i);
  66       sync_pb::DataTypeProgressMarker progress_marker;
  67       if (!unsynced_types.Has(type)) {
  68         progress_marker.set_token("dummy");
  69       }
  70       trans.GetDirectory()->SetDownloadProgress(type, progress_marker);
  71     }
  72   }
  73
  74   void SendConfigureDone(DataTypeManager::ConfigureStatus status,
  75                          syncer::ModelTypeSet requested_types) {
  76     if (status == DataTypeManager::OK) {
  77       DataTypeManager::ConfigureResult result(status, requested_types);
  78       migrator_->OnConfigureDone(result);
  79     } else {
  80       std::map<syncer::ModelType, syncer::SyncError> errors;
  81       DataTypeManager::ConfigureResult result(
  82           status,
  83           requested_types,
  84           errors,
  85           syncer::ModelTypeSet(),
  86           syncer::ModelTypeSet());
  87       migrator_->OnConfigureDone(result);
  88     }
  89     message_loop_.RunUntilIdle();
  90   }
  91
  92   ProfileSyncService* service() { return &service_; }
  93   DataTypeManagerMock* manager() { return &manager_; }
  94   syncer::ModelTypeSet preferred_types() { return preferred_types_; }
  95   BackendMigrator* migrator() { return migrator_.get(); }
  96   void RemovePreferredType(syncer::ModelType type) {
  97     preferred_types_.Remove(type);
  98     Mock::VerifyAndClear(&service_);
  99     ON_CALL(service_, GetPreferredDataTypes()).
 100         WillByDefault(Return(preferred_types_));
 101   }
 102
 103  private:
 104   scoped_ptr<SyncSessionSnapshot> snap_;
 105   base::MessageLoop message_loop_;
 106   syncer::ModelTypeSet preferred_types_;
 107   TestingProfile profile_;
 108   NiceMock<ProfileSyncServiceMock> service_;
 109   NiceMock<DataTypeManagerMock> manager_;
 110   syncer::TestUserShare test_user_share_;
 111   scoped_ptr<BackendMigrator> migrator_;
 112 };
 113
 114 class MockMigrationObserver : public MigrationObserver {
 115  public:
 116   virtual ~MockMigrationObserver() {}
 117
 118   MOCK_METHOD0(OnMigrationStateChange, void());
 119 };
 120
 121 // Test that in the normal case a migration does transition through each state
 122 // and wind up back in IDLE.
 123 TEST_F(SyncBackendMigratorTest, Sanity) {
 124   MockMigrationObserver migration_observer;
 125   migrator()->AddMigrationObserver(&migration_observer);
 126   EXPECT_CALL(migration_observer, OnMigrationStateChange()).Times(4);
 127
 128   syncer::ModelTypeSet to_migrate, difference;
 129   to_migrate.Put(syncer::PREFERENCES);
 130   difference.Put(syncer::AUTOFILL);
 131   difference.Put(syncer::BOOKMARKS);
 132
 133   EXPECT_CALL(*manager(), state())
 134       .WillOnce(Return(DataTypeManager::CONFIGURED));
 135   EXPECT_CALL(
 136       *manager(),
 137       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 138   EXPECT_CALL(
 139       *manager(),
 140       Configure(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 141
 142   migrator()->MigrateTypes(to_migrate);
 143   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 144
 145   SetUnsyncedTypes(to_migrate);
 146   SendConfigureDone(DataTypeManager::OK, difference);
 147   EXPECT_EQ(BackendMigrator::REENABLING_TYPES, migrator()->state());
 148
 149   SetUnsyncedTypes(syncer::ModelTypeSet());
 150   SendConfigureDone(DataTypeManager::OK, preferred_types());
 151   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 152
 153   migrator()->RemoveMigrationObserver(&migration_observer);
 154 }
 155
 156 // Test that in the normal case with Nigori a migration transitions through
 157 // each state and wind up back in IDLE.
 158 TEST_F(SyncBackendMigratorTest, MigrateNigori) {
 159   syncer::ModelTypeSet to_migrate, difference;
 160   to_migrate.Put(syncer::NIGORI);
 161   difference.Put(syncer::AUTOFILL);
 162   difference.Put(syncer::BOOKMARKS);
 163
 164   EXPECT_CALL(*manager(), state())
 165       .WillOnce(Return(DataTypeManager::CONFIGURED));
 166
 167   EXPECT_CALL(*manager(), PurgeForMigration(_,
 168       syncer::CONFIGURE_REASON_MIGRATION));
 169
 170   migrator()->MigrateTypes(to_migrate);
 171   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 172
 173   SetUnsyncedTypes(to_migrate);
 174   SendConfigureDone(DataTypeManager::OK, difference);
 175   EXPECT_EQ(BackendMigrator::REENABLING_TYPES, migrator()->state());
 176
 177   SetUnsyncedTypes(syncer::ModelTypeSet());
 178   SendConfigureDone(DataTypeManager::OK, preferred_types());
 179   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 180 }
 181
 182
 183 // Test that the migrator waits for the data type manager to be idle before
 184 // starting a migration.
 185 TEST_F(SyncBackendMigratorTest, WaitToStart) {
 186   syncer::ModelTypeSet to_migrate;
 187   to_migrate.Put(syncer::PREFERENCES);
 188
 189   EXPECT_CALL(*manager(), state())
 190       .WillOnce(Return(DataTypeManager::CONFIGURING));
 191   EXPECT_CALL(*manager(), Configure(_, _)).Times(0);
 192   migrator()->MigrateTypes(to_migrate);
 193   EXPECT_EQ(BackendMigrator::WAITING_TO_START, migrator()->state());
 194
 195   Mock::VerifyAndClearExpectations(manager());
 196   EXPECT_CALL(*manager(), state())
 197       .WillOnce(Return(DataTypeManager::CONFIGURED));
 198   EXPECT_CALL(*manager(),
 199               PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION));
 200   SetUnsyncedTypes(syncer::ModelTypeSet());
 201   SendConfigureDone(DataTypeManager::OK, syncer::ModelTypeSet());
 202
 203   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 204 }
 205
 206 // Test that the migrator can cope with a migration request while a migration
 207 // is in progress.
 208 TEST_F(SyncBackendMigratorTest, RestartMigration) {
 209   syncer::ModelTypeSet to_migrate1, to_migrate2, to_migrate_union, bookmarks;
 210   to_migrate1.Put(syncer::PREFERENCES);
 211   to_migrate2.Put(syncer::AUTOFILL);
 212   to_migrate_union.Put(syncer::PREFERENCES);
 213   to_migrate_union.Put(syncer::AUTOFILL);
 214   bookmarks.Put(syncer::BOOKMARKS);
 215
 216   EXPECT_CALL(*manager(), state())
 217       .WillOnce(Return(DataTypeManager::CONFIGURED));
 218   EXPECT_CALL(
 219       *manager(),
 220       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(2);
 221   migrator()->MigrateTypes(to_migrate1);
 222
 223   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 224   migrator()->MigrateTypes(to_migrate2);
 225
 226   const syncer::ModelTypeSet difference1 =
 227       Difference(preferred_types(), to_migrate1);
 228
 229   Mock::VerifyAndClearExpectations(manager());
 230   EXPECT_CALL(
 231       *manager(),
 232       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 233   EXPECT_CALL(*manager(), Configure(_, syncer::CONFIGURE_REASON_MIGRATION))
 234       .Times(1);
 235   SetUnsyncedTypes(to_migrate1);
 236   SendConfigureDone(DataTypeManager::OK, difference1);
 237   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 238
 239   SetUnsyncedTypes(to_migrate_union);
 240   SendConfigureDone(DataTypeManager::OK, bookmarks);
 241   EXPECT_EQ(BackendMigrator::REENABLING_TYPES, migrator()->state());
 242 }
 243
 244 // Test that an external invocation of Configure(...) during a migration results
 245 // in a migration reattempt.
 246 TEST_F(SyncBackendMigratorTest, InterruptedWhileDisablingTypes) {
 247   syncer::ModelTypeSet to_migrate;
 248   syncer::ModelTypeSet difference;
 249   to_migrate.Put(syncer::PREFERENCES);
 250   difference.Put(syncer::AUTOFILL);
 251   difference.Put(syncer::BOOKMARKS);
 252
 253   EXPECT_CALL(*manager(), state())
 254       .WillOnce(Return(DataTypeManager::CONFIGURED));
 255   EXPECT_CALL(*manager(), PurgeForMigration(HasModelTypes(to_migrate),
 256       syncer::CONFIGURE_REASON_MIGRATION));
 257   migrator()->MigrateTypes(to_migrate);
 258   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 259
 260   Mock::VerifyAndClearExpectations(manager());
 261   EXPECT_CALL(*manager(), PurgeForMigration(HasModelTypes(to_migrate),
 262       syncer::CONFIGURE_REASON_MIGRATION));
 263   SetUnsyncedTypes(syncer::ModelTypeSet());
 264   SendConfigureDone(DataTypeManager::OK, preferred_types());
 265
 266   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 267 }
 268
 269 // Test that spurious OnConfigureDone events don't confuse the
 270 // migrator while it's waiting for disabled types to have been purged
 271 // from the sync db.
 272 TEST_F(SyncBackendMigratorTest, WaitingForPurge) {
 273   syncer::ModelTypeSet to_migrate, difference;
 274   to_migrate.Put(syncer::PREFERENCES);
 275   to_migrate.Put(syncer::AUTOFILL);
 276   difference.Put(syncer::BOOKMARKS);
 277
 278   EXPECT_CALL(*manager(), state())
 279       .WillOnce(Return(DataTypeManager::CONFIGURED));
 280   EXPECT_CALL(
 281       *manager(),
 282       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 283   EXPECT_CALL(
 284       *manager(),
 285       Configure(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 286
 287   migrator()->MigrateTypes(to_migrate);
 288   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 289
 290   SendConfigureDone(DataTypeManager::OK, difference);
 291   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 292
 293   syncer::ModelTypeSet prefs;
 294   prefs.Put(syncer::PREFERENCES);
 295   SetUnsyncedTypes(prefs);
 296   SendConfigureDone(DataTypeManager::OK, difference);
 297   EXPECT_EQ(BackendMigrator::DISABLING_TYPES, migrator()->state());
 298
 299   SetUnsyncedTypes(to_migrate);
 300   SendConfigureDone(DataTypeManager::OK, difference);
 301   EXPECT_EQ(BackendMigrator::REENABLING_TYPES, migrator()->state());
 302 }
 303
 304 TEST_F(SyncBackendMigratorTest, MigratedTypeDisabledByUserDuringMigration) {
 305   syncer::ModelTypeSet to_migrate;
 306   to_migrate.Put(syncer::PREFERENCES);
 307
 308   EXPECT_CALL(*manager(), state())
 309       .WillOnce(Return(DataTypeManager::CONFIGURED));
 310   EXPECT_CALL(
 311       *manager(),
 312       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 313   EXPECT_CALL(
 314       *manager(),
 315       Configure(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 316   migrator()->MigrateTypes(to_migrate);
 317
 318   RemovePreferredType(syncer::PREFERENCES);
 319   SetUnsyncedTypes(to_migrate);
 320   SendConfigureDone(DataTypeManager::OK, preferred_types());
 321   EXPECT_EQ(BackendMigrator::REENABLING_TYPES, migrator()->state());
 322   SetUnsyncedTypes(syncer::ModelTypeSet());
 323   SendConfigureDone(DataTypeManager::OK, preferred_types());
 324   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 325 }
 326
 327 TEST_F(SyncBackendMigratorTest, ConfigureFailure) {
 328   syncer::ModelTypeSet to_migrate;
 329   to_migrate.Put(syncer::PREFERENCES);
 330
 331   EXPECT_CALL(*manager(), state())
 332       .WillOnce(Return(DataTypeManager::CONFIGURED));
 333   EXPECT_CALL(
 334       *manager(),
 335       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
 336   migrator()->MigrateTypes(to_migrate);
 337   SetUnsyncedTypes(syncer::ModelTypeSet());
 338   SendConfigureDone(DataTypeManager::ABORTED, syncer::ModelTypeSet());
 339   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 340 }
 341
 342 };  // namespace browser_sync