[Sync] Move //sync to //components/sync.

sync/api/model_type_service_unittest.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <memory>
-
-#include "base/bind.h"
-#include "base/memory/ptr_util.h"
-#include "sync/api/fake_model_type_change_processor.h"
-#include "sync/api/fake_model_type_service.h"
-#include "sync/internal_api/public/test/data_type_error_handler_mock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer_v2 {
-
-// A mock MTCP that lets us know when DisableSync is called.
-class MockModelTypeChangeProcessor : public FakeModelTypeChangeProcessor {
- public:
-  explicit MockModelTypeChangeProcessor(const base::Closure& disabled_callback)
-      : disabled_callback_(disabled_callback) {}
-  ~MockModelTypeChangeProcessor() override {}
-
-  void DisableSync() override { disabled_callback_.Run(); }
-
- private:
-  base::Closure disabled_callback_;
-};
-
-class MockModelTypeService : public FakeModelTypeService {
- public:
-  MockModelTypeService()
-      : FakeModelTypeService(base::Bind(&MockModelTypeService::CreateProcessor,
-                                        base::Unretained(this))) {}
-  ~MockModelTypeService() override {}
-
-  void CreateChangeProcessor() { ModelTypeService::CreateChangeProcessor(); }
-
-  MockModelTypeChangeProcessor* change_processor() const {
-    return static_cast<MockModelTypeChangeProcessor*>(
-        ModelTypeService::change_processor());
-  }
-
-  bool on_processor_set_called() const { return on_processor_set_called_; }
-  void clear_on_processor_set_called() { on_processor_set_called_ = false; }
-  bool processor_disable_sync_called() const {
-    return processor_disable_sync_called_;
-  }
-
- private:
-  std::unique_ptr<ModelTypeChangeProcessor> CreateProcessor(
-      syncer::ModelType type,
-      ModelTypeService* service) {
-    return base::WrapUnique(new MockModelTypeChangeProcessor(
-        base::Bind(&MockModelTypeService::OnProcessorDisableSync,
-                   base::Unretained(this))));
-  }
-
-  void OnChangeProcessorSet() override { on_processor_set_called_ = true; }
-
-  void OnProcessorDisableSync() { processor_disable_sync_called_ = true; }
-
-  bool on_processor_set_called_ = false;
-  bool processor_disable_sync_called_ = false;
-};
-
-class ModelTypeServiceTest : public ::testing::Test {
- public:
-  ModelTypeServiceTest() {}
-  ~ModelTypeServiceTest() override {}
-
-  void OnSyncStarting() {
-    service_.OnSyncStarting(
-        &error_handler_, base::Bind(&ModelTypeServiceTest::OnProcessorStarted,
-                                    base::Unretained(this)));
-  }
-
-  bool start_callback_called() const { return start_callback_called_; }
-  MockModelTypeService* service() { return &service_; }
-
- private:
-  void OnProcessorStarted(
-      syncer::SyncError error,
-      std::unique_ptr<ActivationContext> activation_context) {
-    start_callback_called_ = true;
-  }
-
-  bool start_callback_called_;
-  syncer::DataTypeErrorHandlerMock error_handler_;
-  MockModelTypeService service_;
-};
-
-// CreateChangeProcessor should construct a processor and call
-// OnChangeProcessorSet if and only if one doesn't already exist.
-TEST_F(ModelTypeServiceTest, CreateChangeProcessor) {
-  EXPECT_FALSE(service()->change_processor());
-  EXPECT_FALSE(service()->on_processor_set_called());
-  service()->CreateChangeProcessor();
-  ModelTypeChangeProcessor* processor = service()->change_processor();
-  EXPECT_TRUE(processor);
-  EXPECT_TRUE(service()->on_processor_set_called());
-
-  // A second call shouldn't make a new processor.
-  service()->clear_on_processor_set_called();
-  service()->CreateChangeProcessor();
-  EXPECT_EQ(processor, service()->change_processor());
-  EXPECT_FALSE(service()->on_processor_set_called());
-}
-
-// OnSyncStarting should create a processor and call OnSyncStarting on it.
-TEST_F(ModelTypeServiceTest, OnSyncStarting) {
-  EXPECT_FALSE(service()->change_processor());
-  OnSyncStarting();
-  EXPECT_TRUE(service()->change_processor());
-  // FakeModelTypeProcessor is the one that calls the callback, so if it was
-  // called then we know the call on the processor was made.
-  EXPECT_TRUE(start_callback_called());
-}
-
-// DisableSync should call DisableSync on the processor and then delete it.
-TEST_F(ModelTypeServiceTest, DisableSync) {
-  service()->CreateChangeProcessor();
-  EXPECT_TRUE(service()->change_processor());
-  EXPECT_FALSE(service()->processor_disable_sync_called());
-
-  service()->DisableSync();
-  EXPECT_FALSE(service()->change_processor());
-  EXPECT_TRUE(service()->processor_disable_sync_called());
-}
-
-// ResolveConflicts should return USE_REMOTE unless the remote data is deleted.
-TEST_F(ModelTypeServiceTest, DefaultConflictResolution) {
-  EntityData local_data;
-  EntityData remote_data;
-
-  // There is no deleted/deleted case because that's not a conflict.
-
-  local_data.specifics.mutable_preference()->set_value("value");
-  EXPECT_FALSE(local_data.is_deleted());
-  EXPECT_TRUE(remote_data.is_deleted());
-  EXPECT_EQ(ConflictResolution::USE_LOCAL,
-            service()->ResolveConflict(local_data, remote_data).type());
-
-  remote_data.specifics.mutable_preference()->set_value("value");
-  EXPECT_FALSE(local_data.is_deleted());
-  EXPECT_FALSE(remote_data.is_deleted());
-  EXPECT_EQ(ConflictResolution::USE_REMOTE,
-            service()->ResolveConflict(local_data, remote_data).type());
-
-  local_data.specifics.clear_preference();
-  EXPECT_TRUE(local_data.is_deleted());
-  EXPECT_FALSE(remote_data.is_deleted());
-  EXPECT_EQ(ConflictResolution::USE_REMOTE,
-            service()->ResolveConflict(local_data, remote_data).type());
-}
-
-}  // namespace syncer_v2