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// Copyright (c) 2012 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/engine/browser_thread_model_worker.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/location.h"
#include "base/memory/weak_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/test/test_timeouts.h"
#include "base/threading/thread.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/timer/timer.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::Thread;
using base::TimeDelta;
namespace syncer {
namespace {
class SyncBrowserThreadModelWorkerTest : public testing::Test {
public:
SyncBrowserThreadModelWorkerTest()
: db_thread_("DB_Thread"), did_do_work_(false), weak_factory_(this) {}
bool did_do_work() { return did_do_work_; }
BrowserThreadModelWorker* worker() { return worker_.get(); }
base::OneShotTimer* timer() { return &timer_; }
base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest>* factory() {
return &weak_factory_;
}
// Schedule DoWork to be executed on the DB thread and have the test fail if
// DoWork hasn't executed within action_timeout().
void ScheduleWork() {
// We wait until the callback is done. So it is safe to use unretained.
WorkCallback c = base::Bind(&SyncBrowserThreadModelWorkerTest::DoWork,
base::Unretained(this));
timer()->Start(FROM_HERE, TestTimeouts::action_timeout(), this,
&SyncBrowserThreadModelWorkerTest::Timeout);
worker()->DoWorkAndWaitUntilDone(c);
}
// This is the work that will be scheduled to be done on the DB thread.
SyncerError DoWork() {
EXPECT_TRUE(db_thread_.task_runner()->BelongsToCurrentThread());
timer_.Stop(); // Stop the failure timer so the test succeeds.
main_message_loop_.task_runner()->PostTask(
FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
did_do_work_ = true;
return SYNCER_OK;
}
// This will be called by the OneShotTimer and make the test fail unless
// DoWork is called first.
void Timeout() {
ADD_FAILURE() << "Timed out waiting for work to be done on the DB thread.";
main_message_loop_.task_runner()->PostTask(
FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
}
protected:
void SetUp() override {
db_thread_.Start();
worker_ = new BrowserThreadModelWorker(db_thread_.task_runner(), GROUP_DB);
}
virtual void Teardown() {
worker_ = nullptr;
db_thread_.Stop();
}
private:
base::MessageLoop main_message_loop_;
Thread db_thread_;
bool did_do_work_;
scoped_refptr<BrowserThreadModelWorker> worker_;
base::OneShotTimer timer_;
base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest> weak_factory_;
};
TEST_F(SyncBrowserThreadModelWorkerTest, DoesWorkOnDatabaseThread) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&SyncBrowserThreadModelWorkerTest::ScheduleWork,
factory()->GetWeakPtr()));
base::RunLoop().Run();
EXPECT_TRUE(did_do_work());
}
} // namespace
} // namespace syncer
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