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 "components/sync_driver/shared_change_processor.h" 6 7#include <cstddef> 8 9#include "base/bind.h" 10#include "base/bind_helpers.h" 11#include "base/compiler_specific.h" 12#include "base/message_loop/message_loop.h" 13#include "base/threading/thread.h" 14#include "components/sync_driver/data_type_error_handler_mock.h" 15#include "components/sync_driver/generic_change_processor.h" 16#include "components/sync_driver/generic_change_processor_factory.h" 17#include "components/sync_driver/sync_api_component_factory.h" 18#include "sync/api/fake_syncable_service.h" 19#include "sync/internal_api/public/attachments/attachment_service_impl.h" 20#include "testing/gmock/include/gmock/gmock.h" 21#include "testing/gtest/include/gtest/gtest.h" 22 23namespace sync_driver { 24 25namespace { 26 27using ::testing::NiceMock; 28using ::testing::StrictMock; 29 30class SyncSharedChangeProcessorTest : 31 public testing::Test, 32 public SyncApiComponentFactory { 33 public: 34 SyncSharedChangeProcessorTest() : backend_thread_("dbthread"), 35 did_connect_(false) {} 36 37 virtual ~SyncSharedChangeProcessorTest() { 38 EXPECT_FALSE(db_syncable_service_.get()); 39 } 40 41 virtual base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType( 42 syncer::ModelType type) OVERRIDE { 43 return db_syncable_service_->AsWeakPtr(); 44 } 45 46 virtual scoped_ptr<syncer::AttachmentService> CreateAttachmentService( 47 const scoped_refptr<syncer::AttachmentStore>& attachment_store, 48 const syncer::UserShare& user_share, 49 syncer::AttachmentService::Delegate* delegate) OVERRIDE { 50 return syncer::AttachmentServiceImpl::CreateForTest(); 51 } 52 53 protected: 54 virtual void SetUp() OVERRIDE { 55 shared_change_processor_ = new SharedChangeProcessor(); 56 ASSERT_TRUE(backend_thread_.Start()); 57 ASSERT_TRUE(backend_thread_.message_loop_proxy()->PostTask( 58 FROM_HERE, 59 base::Bind(&SyncSharedChangeProcessorTest::SetUpDBSyncableService, 60 base::Unretained(this)))); 61 } 62 63 virtual void TearDown() OVERRIDE { 64 EXPECT_TRUE(backend_thread_.message_loop_proxy()->PostTask( 65 FROM_HERE, 66 base::Bind(&SyncSharedChangeProcessorTest::TearDownDBSyncableService, 67 base::Unretained(this)))); 68 // This must happen before the DB thread is stopped since 69 // |shared_change_processor_| may post tasks to delete its members 70 // on the correct thread. 71 // 72 // TODO(akalin): Write deterministic tests for the destruction of 73 // |shared_change_processor_| on the UI and DB threads. 74 shared_change_processor_ = NULL; 75 backend_thread_.Stop(); 76 77 // Note: Stop() joins the threads, and that barrier prevents this read 78 // from being moved (e.g by compiler optimization) in such a way that it 79 // would race with the write in ConnectOnDBThread (because by this time, 80 // everything that could have run on |backend_thread_| has done so). 81 ASSERT_TRUE(did_connect_); 82 } 83 84 // Connect |shared_change_processor_| on the DB thread. 85 void Connect() { 86 EXPECT_TRUE(backend_thread_.message_loop_proxy()->PostTask( 87 FROM_HERE, 88 base::Bind(&SyncSharedChangeProcessorTest::ConnectOnDBThread, 89 base::Unretained(this), 90 shared_change_processor_))); 91 } 92 93 private: 94 // Used by SetUp(). 95 void SetUpDBSyncableService() { 96 DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread()); 97 DCHECK(!db_syncable_service_.get()); 98 db_syncable_service_.reset(new syncer::FakeSyncableService()); 99 } 100 101 // Used by TearDown(). 102 void TearDownDBSyncableService() { 103 DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread()); 104 DCHECK(db_syncable_service_.get()); 105 db_syncable_service_.reset(); 106 } 107 108 // Used by Connect(). The SharedChangeProcessor is passed in 109 // because we modify |shared_change_processor_| on the main thread 110 // (in TearDown()). 111 void ConnectOnDBThread( 112 const scoped_refptr<SharedChangeProcessor>& shared_change_processor) { 113 DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread()); 114 syncer::UserShare share; 115 EXPECT_TRUE(shared_change_processor->Connect( 116 this, 117 &processor_factory_, 118 &share, 119 &error_handler_, 120 syncer::AUTOFILL, 121 base::WeakPtr<syncer::SyncMergeResult>())); 122 did_connect_ = true; 123 } 124 125 base::MessageLoop frontend_loop_; 126 base::Thread backend_thread_; 127 128 scoped_refptr<SharedChangeProcessor> shared_change_processor_; 129 StrictMock<DataTypeErrorHandlerMock> error_handler_; 130 131 GenericChangeProcessorFactory processor_factory_; 132 bool did_connect_; 133 134 // Used only on DB thread. 135 scoped_ptr<syncer::FakeSyncableService> db_syncable_service_; 136}; 137 138// Simply connect the shared change processor. It should succeed, and 139// nothing further should happen. 140TEST_F(SyncSharedChangeProcessorTest, Basic) { 141 Connect(); 142} 143 144} // namespace 145 146} // namespace sync_driver 147