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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 "base/bind.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/test/test_timeouts.h"
#include "base/threading/thread.h"
#include "base/timer/timer.h"
#include "chrome/browser/sync/glue/browser_thread_model_worker.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::OneShotTimer;
using base::Thread;
using base::TimeDelta;
using content::BrowserThread;
namespace browser_sync {
namespace {
class SyncBrowserThreadModelWorkerTest : public testing::Test {
public:
SyncBrowserThreadModelWorkerTest() :
did_do_work_(false),
thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP |
content::TestBrowserThreadBundle::REAL_DB_THREAD),
weak_factory_(this) {}
bool did_do_work() { return did_do_work_; }
BrowserThreadModelWorker* worker() { return worker_.get(); }
OneShotTimer<SyncBrowserThreadModelWorkerTest>* 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.
syncer::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.
syncer::SyncerError DoWork() {
EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::DB));
timer_.Stop(); // Stop the failure timer so the test succeeds.
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE, base::MessageLoop::QuitClosure());
did_do_work_ = true;
return syncer::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.";
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE, base::MessageLoop::QuitClosure());
}
protected:
virtual void SetUp() {
worker_ = new DatabaseModelWorker(NULL);
}
virtual void Teardown() {
worker_ = NULL;
}
private:
bool did_do_work_;
scoped_refptr<BrowserThreadModelWorker> worker_;
OneShotTimer<SyncBrowserThreadModelWorkerTest> timer_;
content::TestBrowserThreadBundle thread_bundle_;
base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest> weak_factory_;
};
TEST_F(SyncBrowserThreadModelWorkerTest, DoesWorkOnDatabaseThread) {
base::MessageLoop::current()->PostTask(FROM_HERE,
base::Bind(&SyncBrowserThreadModelWorkerTest::ScheduleWork,
factory()->GetWeakPtr()));
base::MessageLoop::current()->Run();
EXPECT_TRUE(did_do_work());
}
} // namespace
} // namespace browser_sync
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