blob: 76c226af78463e9710fc8d48710effcbe582535e [file] [log] [blame]
// Copyright 2014 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 "components/sync_driver/shared_change_processor.h"
#include <cstddef>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/compiler_specific.h"
#include "base/message_loop/message_loop.h"
#include "base/threading/thread.h"
#include "components/sync_driver/data_type_error_handler_mock.h"
#include "components/sync_driver/generic_change_processor.h"
#include "components/sync_driver/generic_change_processor_factory.h"
#include "components/sync_driver/sync_api_component_factory.h"
#include "sync/api/fake_syncable_service.h"
#include "sync/internal_api/public/attachments/attachment_service_impl.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace sync_driver {
namespace {
using ::testing::NiceMock;
using ::testing::StrictMock;
class SyncSharedChangeProcessorTest :
public testing::Test,
public SyncApiComponentFactory {
public:
SyncSharedChangeProcessorTest() : backend_thread_("dbthread"),
did_connect_(false) {}
virtual ~SyncSharedChangeProcessorTest() {
EXPECT_FALSE(db_syncable_service_.get());
}
virtual base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
syncer::ModelType type) OVERRIDE {
return db_syncable_service_->AsWeakPtr();
}
virtual scoped_ptr<syncer::AttachmentService> CreateAttachmentService(
const scoped_refptr<syncer::AttachmentStore>& attachment_store,
const syncer::UserShare& user_share,
syncer::AttachmentService::Delegate* delegate) OVERRIDE {
return syncer::AttachmentServiceImpl::CreateForTest();
}
protected:
virtual void SetUp() OVERRIDE {
shared_change_processor_ = new SharedChangeProcessor();
ASSERT_TRUE(backend_thread_.Start());
ASSERT_TRUE(backend_thread_.message_loop_proxy()->PostTask(
FROM_HERE,
base::Bind(&SyncSharedChangeProcessorTest::SetUpDBSyncableService,
base::Unretained(this))));
}
virtual void TearDown() OVERRIDE {
EXPECT_TRUE(backend_thread_.message_loop_proxy()->PostTask(
FROM_HERE,
base::Bind(&SyncSharedChangeProcessorTest::TearDownDBSyncableService,
base::Unretained(this))));
// This must happen before the DB thread is stopped since
// |shared_change_processor_| may post tasks to delete its members
// on the correct thread.
//
// TODO(akalin): Write deterministic tests for the destruction of
// |shared_change_processor_| on the UI and DB threads.
shared_change_processor_ = NULL;
backend_thread_.Stop();
// Note: Stop() joins the threads, and that barrier prevents this read
// from being moved (e.g by compiler optimization) in such a way that it
// would race with the write in ConnectOnDBThread (because by this time,
// everything that could have run on |backend_thread_| has done so).
ASSERT_TRUE(did_connect_);
}
// Connect |shared_change_processor_| on the DB thread.
void Connect() {
EXPECT_TRUE(backend_thread_.message_loop_proxy()->PostTask(
FROM_HERE,
base::Bind(&SyncSharedChangeProcessorTest::ConnectOnDBThread,
base::Unretained(this),
shared_change_processor_)));
}
private:
// Used by SetUp().
void SetUpDBSyncableService() {
DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread());
DCHECK(!db_syncable_service_.get());
db_syncable_service_.reset(new syncer::FakeSyncableService());
}
// Used by TearDown().
void TearDownDBSyncableService() {
DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread());
DCHECK(db_syncable_service_.get());
db_syncable_service_.reset();
}
// Used by Connect(). The SharedChangeProcessor is passed in
// because we modify |shared_change_processor_| on the main thread
// (in TearDown()).
void ConnectOnDBThread(
const scoped_refptr<SharedChangeProcessor>& shared_change_processor) {
DCHECK(backend_thread_.message_loop_proxy()->BelongsToCurrentThread());
syncer::UserShare share;
EXPECT_TRUE(shared_change_processor->Connect(
this,
&processor_factory_,
&share,
&error_handler_,
syncer::AUTOFILL,
base::WeakPtr<syncer::SyncMergeResult>()));
did_connect_ = true;
}
base::MessageLoop frontend_loop_;
base::Thread backend_thread_;
scoped_refptr<SharedChangeProcessor> shared_change_processor_;
StrictMock<DataTypeErrorHandlerMock> error_handler_;
GenericChangeProcessorFactory processor_factory_;
bool did_connect_;
// Used only on DB thread.
scoped_ptr<syncer::FakeSyncableService> db_syncable_service_;
};
// Simply connect the shared change processor. It should succeed, and
// nothing further should happen.
TEST_F(SyncSharedChangeProcessorTest, Basic) {
Connect();
}
} // namespace
} // namespace sync_driver