| // 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_driver/glue/ui_model_worker.h" |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/callback.h" |
| #include "base/location.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "base/thread_task_runner_handle.h" |
| #include "base/threading/thread.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using browser_sync::UIModelWorker; |
| using syncer::SyncerError; |
| |
| class UIModelWorkerVisitor { |
| public: |
| UIModelWorkerVisitor(base::WaitableEvent* was_run, |
| bool quit_loop) |
| : quit_loop_when_run_(quit_loop), |
| was_run_(was_run) { } |
| virtual ~UIModelWorkerVisitor() { } |
| |
| virtual syncer::SyncerError DoWork() { |
| was_run_->Signal(); |
| if (quit_loop_when_run_) |
| base::MessageLoop::current()->QuitWhenIdle(); |
| return syncer::SYNCER_OK; |
| } |
| |
| private: |
| bool quit_loop_when_run_; |
| base::WaitableEvent* was_run_; |
| DISALLOW_COPY_AND_ASSIGN(UIModelWorkerVisitor); |
| }; |
| |
| // A faux-syncer that only interacts with its model safe worker. |
| class Syncer { |
| public: |
| explicit Syncer(UIModelWorker* worker) : worker_(worker) {} |
| ~Syncer() {} |
| |
| void SyncShare(UIModelWorkerVisitor* visitor) { |
| // We wait until the callback is executed. So it is safe to use Unretained. |
| syncer::WorkCallback c = base::Bind(&UIModelWorkerVisitor::DoWork, |
| base::Unretained(visitor)); |
| worker_->DoWorkAndWaitUntilDone(c); |
| } |
| private: |
| scoped_refptr<UIModelWorker> worker_; |
| DISALLOW_COPY_AND_ASSIGN(Syncer); |
| }; |
| |
| class SyncUIModelWorkerTest : public testing::Test { |
| public: |
| SyncUIModelWorkerTest() : faux_syncer_thread_("FauxSyncerThread"), |
| faux_core_thread_("FauxCoreThread") { } |
| |
| void SetUp() override { |
| faux_syncer_thread_.Start(); |
| bmw_ = new UIModelWorker(base::ThreadTaskRunnerHandle::Get(), nullptr); |
| syncer_.reset(new Syncer(bmw_.get())); |
| } |
| |
| Syncer* syncer() { return syncer_.get(); } |
| UIModelWorker* bmw() { return bmw_.get(); } |
| base::Thread* core_thread() { return &faux_core_thread_; } |
| base::Thread* syncer_thread() { return &faux_syncer_thread_; } |
| private: |
| base::MessageLoop faux_ui_loop_; |
| base::Thread faux_syncer_thread_; |
| base::Thread faux_core_thread_; |
| scoped_refptr<UIModelWorker> bmw_; |
| scoped_ptr<Syncer> syncer_; |
| }; |
| |
| TEST_F(SyncUIModelWorkerTest, ScheduledWorkRunsOnUILoop) { |
| base::WaitableEvent v_was_run(false, false); |
| scoped_ptr<UIModelWorkerVisitor> v( |
| new UIModelWorkerVisitor(&v_was_run, true)); |
| |
| syncer_thread()->task_runner()->PostTask( |
| FROM_HERE, |
| base::Bind(&Syncer::SyncShare, base::Unretained(syncer()), v.get())); |
| |
| // We are on the UI thread, so run our loop to process the |
| // (hopefully) scheduled task from a SyncShare invocation. |
| base::MessageLoop::current()->Run(); |
| syncer_thread()->Stop(); |
| } |