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| 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/internal_api/public/processor_entity_tracker.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include <memory> | |
| 10 #include <utility> | |
| 11 | |
| 12 #include "base/memory/ptr_util.h" | |
| 13 #include "base/time/time.h" | |
| 14 #include "sync/internal_api/public/base/model_type.h" | |
| 15 #include "sync/internal_api/public/non_blocking_sync_common.h" | |
| 16 #include "sync/protocol/sync.pb.h" | |
| 17 #include "sync/syncable/syncable_util.h" | |
| 18 #include "sync/util/time.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 | |
| 21 namespace syncer_v2 { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 const std::string kTag = "tag"; | |
| 26 const std::string kId = "id"; | |
| 27 const std::string kValue1 = "value1"; | |
| 28 const std::string kValue2 = "value2"; | |
| 29 const std::string kValue3 = "value3"; | |
| 30 | |
| 31 std::string GenerateTagHash(const std::string& tag) { | |
| 32 return syncer::syncable::GenerateSyncableHash(syncer::PREFERENCES, tag); | |
| 33 } | |
| 34 | |
| 35 sync_pb::EntitySpecifics GenerateSpecifics(const std::string& tag, | |
| 36 const std::string& value) { | |
| 37 sync_pb::EntitySpecifics specifics; | |
| 38 specifics.mutable_preference()->set_name(tag); | |
| 39 specifics.mutable_preference()->set_value(value); | |
| 40 return specifics; | |
| 41 } | |
| 42 | |
| 43 std::unique_ptr<EntityData> GenerateEntityData(const std::string& tag, | |
| 44 const std::string& value) { | |
| 45 std::unique_ptr<EntityData> entity_data(new EntityData()); | |
| 46 entity_data->client_tag_hash = GenerateTagHash(tag); | |
| 47 entity_data->specifics = GenerateSpecifics(tag, value); | |
| 48 entity_data->non_unique_name = tag; | |
| 49 return entity_data; | |
| 50 } | |
| 51 | |
| 52 UpdateResponseData GenerateUpdate(const ProcessorEntityTracker& entity, | |
| 53 const std::string& id, | |
| 54 const std::string& value, | |
| 55 const base::Time& mtime, | |
| 56 int64_t version) { | |
| 57 std::unique_ptr<EntityData> data = | |
| 58 GenerateEntityData(entity.client_tag(), value); | |
| 59 data->id = id; | |
| 60 data->modification_time = mtime; | |
| 61 UpdateResponseData update; | |
| 62 update.entity = data->PassToPtr(); | |
| 63 update.response_version = version; | |
| 64 return update; | |
| 65 } | |
| 66 | |
| 67 UpdateResponseData GenerateTombstone(const ProcessorEntityTracker& entity, | |
| 68 const std::string& id, | |
| 69 const base::Time& mtime, | |
| 70 int64_t version) { | |
| 71 std::unique_ptr<EntityData> data = base::WrapUnique(new EntityData()); | |
| 72 data->client_tag_hash = GenerateTagHash(entity.client_tag()); | |
| 73 data->non_unique_name = entity.client_tag(); | |
| 74 data->id = id; | |
| 75 data->modification_time = mtime; | |
| 76 UpdateResponseData update; | |
| 77 update.entity = data->PassToPtr(); | |
| 78 update.response_version = version; | |
| 79 return update; | |
| 80 } | |
| 81 | |
| 82 CommitResponseData GenerateAckData(const CommitRequestData& request, | |
| 83 int64_t version) { | |
| 84 CommitResponseData response; | |
| 85 response.id = kId; | |
| 86 response.client_tag_hash = request.entity->client_tag_hash; | |
| 87 response.sequence_number = request.sequence_number; | |
| 88 response.response_version = version; | |
| 89 response.specifics_hash = request.specifics_hash; | |
| 90 return response; | |
| 91 } | |
| 92 | |
| 93 } // namespace | |
| 94 | |
| 95 // Some simple sanity tests for the ProcessorEntityTracker. | |
| 96 // | |
| 97 // A lot of the more complicated sync logic is implemented in the | |
| 98 // SharedModelTypeProcessor that owns the ProcessorEntityTracker. We can't unit | |
| 99 // test it here. | |
| 100 // | |
| 101 // Instead, we focus on simple tests to make sure that variables are getting | |
| 102 // properly intialized and flags properly set. Anything more complicated would | |
| 103 // be a redundant and incomplete version of the SharedModelTypeProcessor tests. | |
| 104 class ProcessorEntityTrackerTest : public ::testing::Test { | |
| 105 public: | |
| 106 ProcessorEntityTrackerTest() | |
| 107 : tag_hash_(GenerateTagHash(kTag)), | |
| 108 ctime_(base::Time::Now() - base::TimeDelta::FromSeconds(1)){}; | |
| 109 | |
| 110 std::unique_ptr<ProcessorEntityTracker> CreateNew() { | |
| 111 return ProcessorEntityTracker::CreateNew(kTag, tag_hash_, "", ctime_); | |
| 112 } | |
| 113 | |
| 114 std::unique_ptr<ProcessorEntityTracker> CreateSynced() { | |
| 115 std::unique_ptr<ProcessorEntityTracker> entity = CreateNew(); | |
| 116 entity->RecordAcceptedUpdate( | |
| 117 GenerateUpdate(*entity, kId, kValue1, ctime_, 1)); | |
| 118 DCHECK(!entity->IsUnsynced()); | |
| 119 return entity; | |
| 120 } | |
| 121 | |
| 122 const std::string tag_hash_; | |
| 123 const base::Time ctime_; | |
| 124 }; | |
| 125 | |
| 126 // Test the state of the default new tracker. | |
| 127 TEST_F(ProcessorEntityTrackerTest, DefaultTracker) { | |
| 128 std::unique_ptr<ProcessorEntityTracker> entity = CreateNew(); | |
| 129 | |
| 130 EXPECT_EQ(kTag, entity->client_tag()); | |
| 131 EXPECT_EQ(tag_hash_, entity->metadata().client_tag_hash()); | |
| 132 EXPECT_EQ("", entity->metadata().server_id()); | |
| 133 EXPECT_FALSE(entity->metadata().is_deleted()); | |
| 134 EXPECT_EQ(0, entity->metadata().sequence_number()); | |
| 135 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 136 EXPECT_EQ(kUncommittedVersion, entity->metadata().server_version()); | |
| 137 EXPECT_EQ(syncer::TimeToProtoTime(ctime_), | |
| 138 entity->metadata().creation_time()); | |
| 139 EXPECT_EQ(0, entity->metadata().modification_time()); | |
| 140 EXPECT_TRUE(entity->metadata().specifics_hash().empty()); | |
| 141 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 142 | |
| 143 EXPECT_FALSE(entity->IsUnsynced()); | |
| 144 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 145 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 146 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 147 EXPECT_FALSE(entity->UpdateIsReflection(1)); | |
| 148 EXPECT_FALSE(entity->HasCommitData()); | |
| 149 } | |
| 150 | |
| 151 // Test creating and commiting a new local item. | |
| 152 TEST_F(ProcessorEntityTrackerTest, NewLocalItem) { | |
| 153 std::unique_ptr<ProcessorEntityTracker> entity = CreateNew(); | |
| 154 entity->MakeLocalChange(GenerateEntityData(kTag, kValue1)); | |
| 155 | |
| 156 EXPECT_EQ("", entity->metadata().server_id()); | |
| 157 EXPECT_FALSE(entity->metadata().is_deleted()); | |
| 158 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 159 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 160 EXPECT_EQ(kUncommittedVersion, entity->metadata().server_version()); | |
| 161 EXPECT_NE(0, entity->metadata().modification_time()); | |
| 162 EXPECT_FALSE(entity->metadata().specifics_hash().empty()); | |
| 163 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 164 | |
| 165 EXPECT_TRUE(entity->IsUnsynced()); | |
| 166 EXPECT_TRUE(entity->RequiresCommitRequest()); | |
| 167 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 168 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 169 EXPECT_FALSE(entity->UpdateIsReflection(1)); | |
| 170 EXPECT_TRUE(entity->HasCommitData()); | |
| 171 | |
| 172 EXPECT_EQ(kValue1, entity->commit_data()->specifics.preference().value()); | |
| 173 | |
| 174 // Generate a commit request. The metadata should not change. | |
| 175 const sync_pb::EntityMetadata metadata_v1 = entity->metadata(); | |
| 176 CommitRequestData request; | |
| 177 entity->InitializeCommitRequestData(&request); | |
| 178 EXPECT_EQ(metadata_v1.SerializeAsString(), | |
| 179 entity->metadata().SerializeAsString()); | |
| 180 | |
| 181 EXPECT_TRUE(entity->IsUnsynced()); | |
| 182 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 183 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 184 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 185 EXPECT_FALSE(entity->UpdateIsReflection(1)); | |
| 186 EXPECT_TRUE(entity->HasCommitData()); | |
| 187 | |
| 188 const EntityData& data = request.entity.value(); | |
| 189 EXPECT_EQ("", data.id); | |
| 190 EXPECT_EQ(tag_hash_, data.client_tag_hash); | |
| 191 EXPECT_EQ(kTag, data.non_unique_name); | |
| 192 EXPECT_EQ(kValue1, data.specifics.preference().value()); | |
| 193 EXPECT_EQ(syncer::TimeToProtoTime(ctime_), | |
| 194 syncer::TimeToProtoTime(data.creation_time)); | |
| 195 EXPECT_EQ(entity->metadata().modification_time(), | |
| 196 syncer::TimeToProtoTime(data.modification_time)); | |
| 197 EXPECT_FALSE(data.is_deleted()); | |
| 198 EXPECT_EQ(1, request.sequence_number); | |
| 199 EXPECT_EQ(kUncommittedVersion, request.base_version); | |
| 200 EXPECT_EQ(entity->metadata().specifics_hash(), request.specifics_hash); | |
| 201 | |
| 202 // Ack the commit. | |
| 203 entity->ReceiveCommitResponse(GenerateAckData(request, 1)); | |
| 204 | |
| 205 EXPECT_EQ(kId, entity->metadata().server_id()); | |
| 206 EXPECT_FALSE(entity->metadata().is_deleted()); | |
| 207 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 208 EXPECT_EQ(1, entity->metadata().acked_sequence_number()); | |
| 209 EXPECT_EQ(1, entity->metadata().server_version()); | |
| 210 EXPECT_EQ(metadata_v1.creation_time(), entity->metadata().creation_time()); | |
| 211 EXPECT_EQ(metadata_v1.modification_time(), | |
| 212 entity->metadata().modification_time()); | |
| 213 EXPECT_FALSE(entity->metadata().specifics_hash().empty()); | |
| 214 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 215 | |
| 216 EXPECT_FALSE(entity->IsUnsynced()); | |
| 217 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 218 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 219 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 220 EXPECT_TRUE(entity->UpdateIsReflection(1)); | |
| 221 EXPECT_FALSE(entity->HasCommitData()); | |
| 222 } | |
| 223 | |
| 224 // Test state for a newly synced server item. | |
| 225 TEST_F(ProcessorEntityTrackerTest, NewServerItem) { | |
| 226 std::unique_ptr<ProcessorEntityTracker> entity = CreateNew(); | |
| 227 | |
| 228 const base::Time mtime = base::Time::Now(); | |
| 229 entity->RecordAcceptedUpdate( | |
| 230 GenerateUpdate(*entity, kId, kValue1, mtime, 10)); | |
| 231 | |
| 232 EXPECT_EQ(kId, entity->metadata().server_id()); | |
| 233 EXPECT_FALSE(entity->metadata().is_deleted()); | |
| 234 EXPECT_EQ(0, entity->metadata().sequence_number()); | |
| 235 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 236 EXPECT_EQ(10, entity->metadata().server_version()); | |
| 237 EXPECT_EQ(syncer::TimeToProtoTime(mtime), | |
| 238 entity->metadata().modification_time()); | |
| 239 EXPECT_FALSE(entity->metadata().specifics_hash().empty()); | |
| 240 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 241 | |
| 242 EXPECT_FALSE(entity->IsUnsynced()); | |
| 243 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 244 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 245 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 246 EXPECT_TRUE(entity->UpdateIsReflection(9)); | |
| 247 EXPECT_TRUE(entity->UpdateIsReflection(10)); | |
| 248 EXPECT_FALSE(entity->UpdateIsReflection(11)); | |
| 249 EXPECT_FALSE(entity->HasCommitData()); | |
| 250 } | |
| 251 | |
| 252 // Test state for a tombstone received for a previously unknown item. | |
| 253 TEST_F(ProcessorEntityTrackerTest, NewServerTombstone) { | |
| 254 std::unique_ptr<ProcessorEntityTracker> entity = CreateNew(); | |
| 255 | |
| 256 const base::Time mtime = base::Time::Now(); | |
| 257 entity->RecordAcceptedUpdate(GenerateTombstone(*entity, kId, mtime, 1)); | |
| 258 | |
| 259 EXPECT_EQ(kId, entity->metadata().server_id()); | |
| 260 EXPECT_TRUE(entity->metadata().is_deleted()); | |
| 261 EXPECT_EQ(0, entity->metadata().sequence_number()); | |
| 262 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 263 EXPECT_EQ(1, entity->metadata().server_version()); | |
| 264 EXPECT_EQ(syncer::TimeToProtoTime(mtime), | |
| 265 entity->metadata().modification_time()); | |
| 266 EXPECT_TRUE(entity->metadata().specifics_hash().empty()); | |
| 267 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 268 | |
| 269 EXPECT_FALSE(entity->IsUnsynced()); | |
| 270 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 271 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 272 EXPECT_TRUE(entity->CanClearMetadata()); | |
| 273 EXPECT_TRUE(entity->UpdateIsReflection(1)); | |
| 274 EXPECT_FALSE(entity->UpdateIsReflection(2)); | |
| 275 EXPECT_FALSE(entity->HasCommitData()); | |
| 276 } | |
| 277 | |
| 278 // Apply a deletion update to a synced item. | |
| 279 TEST_F(ProcessorEntityTrackerTest, ServerTombstone) { | |
| 280 // Start with a non-deleted state with version 1. | |
| 281 std::unique_ptr<ProcessorEntityTracker> entity = CreateSynced(); | |
| 282 // A deletion update one version later. | |
| 283 const base::Time mtime = base::Time::Now(); | |
| 284 entity->RecordAcceptedUpdate(GenerateTombstone(*entity, kId, mtime, 2)); | |
| 285 | |
| 286 EXPECT_TRUE(entity->metadata().is_deleted()); | |
| 287 EXPECT_EQ(0, entity->metadata().sequence_number()); | |
| 288 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 289 EXPECT_EQ(2, entity->metadata().server_version()); | |
| 290 EXPECT_EQ(syncer::TimeToProtoTime(mtime), | |
| 291 entity->metadata().modification_time()); | |
| 292 EXPECT_TRUE(entity->metadata().specifics_hash().empty()); | |
| 293 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 294 | |
| 295 EXPECT_FALSE(entity->IsUnsynced()); | |
| 296 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 297 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 298 EXPECT_TRUE(entity->CanClearMetadata()); | |
| 299 EXPECT_TRUE(entity->UpdateIsReflection(2)); | |
| 300 EXPECT_FALSE(entity->UpdateIsReflection(3)); | |
| 301 EXPECT_FALSE(entity->HasCommitData()); | |
| 302 } | |
| 303 | |
| 304 // Test a local change of a synced item. | |
| 305 TEST_F(ProcessorEntityTrackerTest, LocalChange) { | |
| 306 std::unique_ptr<ProcessorEntityTracker> entity = CreateSynced(); | |
| 307 const int64_t mtime_v0 = entity->metadata().modification_time(); | |
| 308 const std::string specifics_hash_v0 = entity->metadata().specifics_hash(); | |
| 309 | |
| 310 // Make a local change with different specifics. | |
| 311 entity->MakeLocalChange(GenerateEntityData(kTag, kValue2)); | |
| 312 | |
| 313 const int64_t mtime_v1 = entity->metadata().modification_time(); | |
| 314 const std::string specifics_hash_v1 = entity->metadata().specifics_hash(); | |
| 315 | |
| 316 EXPECT_FALSE(entity->metadata().is_deleted()); | |
| 317 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 318 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 319 EXPECT_EQ(1, entity->metadata().server_version()); | |
| 320 EXPECT_LT(mtime_v0, mtime_v1); | |
| 321 EXPECT_NE(specifics_hash_v0, specifics_hash_v1); | |
| 322 EXPECT_EQ(specifics_hash_v0, entity->metadata().base_specifics_hash()); | |
| 323 | |
| 324 EXPECT_TRUE(entity->IsUnsynced()); | |
| 325 EXPECT_TRUE(entity->RequiresCommitRequest()); | |
| 326 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 327 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 328 EXPECT_TRUE(entity->HasCommitData()); | |
| 329 | |
| 330 // Make a commit. | |
| 331 CommitRequestData request; | |
| 332 entity->InitializeCommitRequestData(&request); | |
| 333 | |
| 334 EXPECT_EQ(kId, request.entity->id); | |
| 335 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 336 | |
| 337 // Ack the commit. | |
| 338 entity->ReceiveCommitResponse(GenerateAckData(request, 2)); | |
| 339 | |
| 340 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 341 EXPECT_EQ(1, entity->metadata().acked_sequence_number()); | |
| 342 EXPECT_EQ(2, entity->metadata().server_version()); | |
| 343 EXPECT_EQ(mtime_v1, entity->metadata().modification_time()); | |
| 344 EXPECT_EQ(specifics_hash_v1, entity->metadata().specifics_hash()); | |
| 345 EXPECT_EQ("", entity->metadata().base_specifics_hash()); | |
| 346 | |
| 347 EXPECT_FALSE(entity->IsUnsynced()); | |
| 348 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 349 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 350 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 351 EXPECT_FALSE(entity->HasCommitData()); | |
| 352 } | |
| 353 | |
| 354 // Test a local deletion of a synced item. | |
| 355 TEST_F(ProcessorEntityTrackerTest, LocalDeletion) { | |
| 356 std::unique_ptr<ProcessorEntityTracker> entity = CreateSynced(); | |
| 357 const int64_t mtime = entity->metadata().modification_time(); | |
| 358 const std::string specifics_hash = entity->metadata().specifics_hash(); | |
| 359 | |
| 360 // Make a local delete. | |
| 361 entity->Delete(); | |
| 362 | |
| 363 EXPECT_TRUE(entity->metadata().is_deleted()); | |
| 364 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 365 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 366 EXPECT_EQ(1, entity->metadata().server_version()); | |
| 367 EXPECT_LT(mtime, entity->metadata().modification_time()); | |
| 368 EXPECT_TRUE(entity->metadata().specifics_hash().empty()); | |
| 369 EXPECT_EQ(specifics_hash, entity->metadata().base_specifics_hash()); | |
| 370 | |
| 371 EXPECT_TRUE(entity->IsUnsynced()); | |
| 372 EXPECT_TRUE(entity->RequiresCommitRequest()); | |
| 373 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 374 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 375 EXPECT_FALSE(entity->HasCommitData()); | |
| 376 | |
| 377 // Generate a commit request. The metadata should not change. | |
| 378 const sync_pb::EntityMetadata metadata_v1 = entity->metadata(); | |
| 379 CommitRequestData request; | |
| 380 entity->InitializeCommitRequestData(&request); | |
| 381 EXPECT_EQ(metadata_v1.SerializeAsString(), | |
| 382 entity->metadata().SerializeAsString()); | |
| 383 | |
| 384 EXPECT_TRUE(entity->IsUnsynced()); | |
| 385 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 386 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 387 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 388 EXPECT_FALSE(entity->HasCommitData()); | |
| 389 | |
| 390 const EntityData& data = request.entity.value(); | |
| 391 EXPECT_EQ(kId, data.id); | |
| 392 EXPECT_EQ(tag_hash_, data.client_tag_hash); | |
| 393 EXPECT_EQ("", data.non_unique_name); | |
| 394 EXPECT_EQ(syncer::TimeToProtoTime(ctime_), | |
| 395 syncer::TimeToProtoTime(data.creation_time)); | |
| 396 EXPECT_EQ(entity->metadata().modification_time(), | |
| 397 syncer::TimeToProtoTime(data.modification_time)); | |
| 398 EXPECT_TRUE(data.is_deleted()); | |
| 399 EXPECT_EQ(1, request.sequence_number); | |
| 400 EXPECT_EQ(1, request.base_version); | |
| 401 EXPECT_EQ(entity->metadata().specifics_hash(), request.specifics_hash); | |
| 402 | |
| 403 // Ack the deletion. | |
| 404 entity->ReceiveCommitResponse(GenerateAckData(request, 2)); | |
| 405 | |
| 406 EXPECT_TRUE(entity->metadata().is_deleted()); | |
| 407 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 408 EXPECT_EQ(1, entity->metadata().acked_sequence_number()); | |
| 409 EXPECT_EQ(2, entity->metadata().server_version()); | |
| 410 EXPECT_EQ(metadata_v1.modification_time(), | |
| 411 entity->metadata().modification_time()); | |
| 412 EXPECT_TRUE(entity->metadata().specifics_hash().empty()); | |
| 413 EXPECT_TRUE(entity->metadata().base_specifics_hash().empty()); | |
| 414 | |
| 415 EXPECT_FALSE(entity->IsUnsynced()); | |
| 416 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 417 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 418 EXPECT_TRUE(entity->CanClearMetadata()); | |
| 419 EXPECT_FALSE(entity->HasCommitData()); | |
| 420 } | |
| 421 | |
| 422 // Test that hashes and sequence numbers are handled correctly for the "commit | |
| 423 // commit, ack ack" case. | |
| 424 TEST_F(ProcessorEntityTrackerTest, LocalChangesInterleaved) { | |
| 425 std::unique_ptr<ProcessorEntityTracker> entity = CreateSynced(); | |
| 426 const std::string specifics_hash_v0 = entity->metadata().specifics_hash(); | |
| 427 | |
| 428 // Make the first change. | |
| 429 entity->MakeLocalChange(GenerateEntityData(kTag, kValue2)); | |
| 430 const std::string specifics_hash_v1 = entity->metadata().specifics_hash(); | |
| 431 | |
| 432 EXPECT_EQ(1, entity->metadata().sequence_number()); | |
| 433 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 434 EXPECT_NE(specifics_hash_v0, specifics_hash_v1); | |
| 435 EXPECT_EQ(specifics_hash_v0, entity->metadata().base_specifics_hash()); | |
| 436 | |
| 437 // Request the first commit. | |
| 438 CommitRequestData request_v1; | |
| 439 entity->InitializeCommitRequestData(&request_v1); | |
| 440 | |
| 441 // Make the second change. | |
| 442 entity->MakeLocalChange(GenerateEntityData(kTag, kValue3)); | |
| 443 const std::string specifics_hash_v2 = entity->metadata().specifics_hash(); | |
| 444 | |
| 445 EXPECT_EQ(2, entity->metadata().sequence_number()); | |
| 446 EXPECT_EQ(0, entity->metadata().acked_sequence_number()); | |
| 447 EXPECT_NE(specifics_hash_v1, specifics_hash_v2); | |
| 448 EXPECT_EQ(specifics_hash_v0, entity->metadata().base_specifics_hash()); | |
| 449 | |
| 450 // Request the second commit. | |
| 451 CommitRequestData request_v2; | |
| 452 entity->InitializeCommitRequestData(&request_v2); | |
| 453 | |
| 454 EXPECT_TRUE(entity->IsUnsynced()); | |
| 455 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 456 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 457 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 458 EXPECT_TRUE(entity->HasCommitData()); | |
| 459 | |
| 460 // Ack the first commit. | |
| 461 entity->ReceiveCommitResponse(GenerateAckData(request_v1, 2)); | |
| 462 | |
| 463 EXPECT_EQ(2, entity->metadata().sequence_number()); | |
| 464 EXPECT_EQ(1, entity->metadata().acked_sequence_number()); | |
| 465 EXPECT_EQ(2, entity->metadata().server_version()); | |
| 466 EXPECT_EQ(specifics_hash_v2, entity->metadata().specifics_hash()); | |
| 467 EXPECT_EQ(specifics_hash_v1, entity->metadata().base_specifics_hash()); | |
| 468 | |
| 469 // Ack the second commit. | |
| 470 entity->ReceiveCommitResponse(GenerateAckData(request_v2, 3)); | |
| 471 | |
| 472 EXPECT_EQ(2, entity->metadata().sequence_number()); | |
| 473 EXPECT_EQ(2, entity->metadata().acked_sequence_number()); | |
| 474 EXPECT_EQ(3, entity->metadata().server_version()); | |
| 475 EXPECT_EQ(specifics_hash_v2, entity->metadata().specifics_hash()); | |
| 476 EXPECT_EQ("", entity->metadata().base_specifics_hash()); | |
| 477 | |
| 478 EXPECT_FALSE(entity->IsUnsynced()); | |
| 479 EXPECT_FALSE(entity->RequiresCommitRequest()); | |
| 480 EXPECT_FALSE(entity->RequiresCommitData()); | |
| 481 EXPECT_FALSE(entity->CanClearMetadata()); | |
| 482 EXPECT_FALSE(entity->HasCommitData()); | |
| 483 } | |
| 484 | |
| 485 } // namespace syncer_v2 | |
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Chromium Code Reviews
Issue 2130453004:
[Sync] Move //sync to //components/sync. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master