| // Copyright 2016 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 "blimp/net/thread_pipe_manager.h" |
| |
| #include "base/location.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/threading/sequenced_task_runner_handle.h" |
| #include "base/threading/thread.h" |
| #include "blimp/net/blimp_message_thread_pipe.h" |
| #include "blimp/net/browser_connection_handler.h" |
| #include "blimp/net/test_common.h" |
| #include "net/base/net_errors.h" |
| #include "net/base/test_completion_callback.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using testing::_; |
| using testing::SaveArg; |
| |
| namespace blimp { |
| namespace { |
| |
| std::unique_ptr<BlimpMessage> CreateMessage(BlimpMessage::Type type) { |
| std::unique_ptr<BlimpMessage> output(new BlimpMessage); |
| output->set_type(type); |
| return output; |
| } |
| |
| // A feature that registers itself with ThreadPipeManager. |
| class FakeFeature { |
| public: |
| FakeFeature(BlimpMessage::Type type, ThreadPipeManager* pipe_manager_) { |
| outgoing_message_processor_ = |
| pipe_manager_->RegisterFeature(type, &incoming_message_processor_); |
| } |
| |
| ~FakeFeature() {} |
| |
| BlimpMessageProcessor* outgoing_message_processor() { |
| return outgoing_message_processor_.get(); |
| } |
| |
| MockBlimpMessageProcessor* incoming_message_processor() { |
| return &incoming_message_processor_; |
| } |
| |
| private: |
| testing::StrictMock<MockBlimpMessageProcessor> incoming_message_processor_; |
| std::unique_ptr<BlimpMessageProcessor> outgoing_message_processor_; |
| }; |
| |
| // A feature peer on |thread_| that forwards incoming messages to |
| // |message_processor|. |
| class FakeFeaturePeer : public BlimpMessageProcessor { |
| public: |
| FakeFeaturePeer(BlimpMessage::Type type, |
| BlimpMessageProcessor* message_processor, |
| const scoped_refptr<base::SequencedTaskRunner>& task_runner) |
| : type_(type), |
| message_processor_(message_processor), |
| task_runner_(task_runner) {} |
| |
| ~FakeFeaturePeer() override {} |
| |
| private: |
| void ForwardMessage(std::unique_ptr<BlimpMessage> message) { |
| DCHECK(task_runner_->RunsTasksOnCurrentThread()); |
| message_processor_->ProcessMessage(std::move(message), |
| net::CompletionCallback()); |
| } |
| |
| // BlimpMessageProcessor implementation. |
| void ProcessMessage(std::unique_ptr<BlimpMessage> message, |
| const net::CompletionCallback& callback) override { |
| DCHECK(task_runner_->RunsTasksOnCurrentThread()); |
| ASSERT_EQ(type_, message->type()); |
| base::MessageLoop::current()->PostTask( |
| FROM_HERE, base::Bind(&FakeFeaturePeer::ForwardMessage, |
| base::Unretained(this), base::Passed(&message))); |
| if (!callback.is_null()) |
| callback.Run(net::OK); |
| } |
| |
| BlimpMessage::Type type_; |
| BlimpMessageProcessor* message_processor_ = nullptr; |
| scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| }; |
| |
| // A browser connection handler that returns FakeFeaturePeer to allow it |
| // forwarding message back so that FakeFeature can check message it receives |
| // with one it just sent. |
| class FakeBrowserConnectionHandler : public BrowserConnectionHandler { |
| public: |
| FakeBrowserConnectionHandler( |
| const scoped_refptr<base::SequencedTaskRunner>& task_runner) |
| : task_runner_(task_runner) {} |
| std::unique_ptr<BlimpMessageProcessor> RegisterFeature( |
| BlimpMessage::Type type, |
| BlimpMessageProcessor* incoming_processor) override { |
| DCHECK(task_runner_->RunsTasksOnCurrentThread()); |
| return base::WrapUnique( |
| new FakeFeaturePeer(type, incoming_processor, task_runner_)); |
| } |
| |
| private: |
| scoped_refptr<base::SequencedTaskRunner> task_runner_; |
| }; |
| |
| } // namespace |
| |
| class ThreadPipeManagerTest : public testing::Test { |
| public: |
| ThreadPipeManagerTest() : thread_("IoThread") {} |
| |
| ~ThreadPipeManagerTest() override {} |
| |
| void SetUp() override { |
| ASSERT_TRUE(thread_.Start()); |
| connection_handler_ = base::WrapUnique( |
| new FakeBrowserConnectionHandler(thread_.task_runner())); |
| pipe_manager_ = base::WrapUnique(new ThreadPipeManager( |
| thread_.task_runner(), base::SequencedTaskRunnerHandle::Get(), |
| connection_handler_.get())); |
| |
| input_feature_.reset( |
| new FakeFeature(BlimpMessage::INPUT, pipe_manager_.get())); |
| tab_control_feature_.reset( |
| new FakeFeature(BlimpMessage::TAB_CONTROL, pipe_manager_.get())); |
| } |
| |
| void TearDown() override { SynchronizeWithThread(); } |
| |
| // Synchronize with |thread_| to ensure that any pending work is done. |
| void SynchronizeWithThread() { |
| net::TestCompletionCallback cb; |
| thread_.task_runner()->PostTaskAndReply(FROM_HERE, |
| base::Bind(&base::DoNothing), |
| base::Bind(cb.callback(), net::OK)); |
| ASSERT_EQ(net::OK, cb.WaitForResult()); |
| } |
| |
| protected: |
| base::MessageLoop message_loop_; |
| std::unique_ptr<BrowserConnectionHandler> connection_handler_; |
| std::unique_ptr<ThreadPipeManager> pipe_manager_; |
| base::Thread thread_; |
| |
| std::unique_ptr<FakeFeature> input_feature_; |
| std::unique_ptr<FakeFeature> tab_control_feature_; |
| }; |
| |
| // Features send out message and receive the same message due to |
| // |FakeFeaturePeer| loops the message back on |thread_|. |
| TEST_F(ThreadPipeManagerTest, MessageSentIsReceived) { |
| std::unique_ptr<BlimpMessage> input_message = |
| CreateMessage(BlimpMessage::INPUT); |
| std::unique_ptr<BlimpMessage> tab_control_message = |
| CreateMessage(BlimpMessage::TAB_CONTROL); |
| |
| EXPECT_CALL(*(input_feature_->incoming_message_processor()), |
| MockableProcessMessage(EqualsProto(*input_message), _)) |
| .RetiresOnSaturation(); |
| EXPECT_CALL(*(tab_control_feature_->incoming_message_processor()), |
| MockableProcessMessage(EqualsProto(*tab_control_message), _)) |
| .RetiresOnSaturation(); |
| |
| net::TestCompletionCallback cb1; |
| input_feature_->outgoing_message_processor()->ProcessMessage( |
| std::move(input_message), cb1.callback()); |
| net::TestCompletionCallback cb2; |
| tab_control_feature_->outgoing_message_processor()->ProcessMessage( |
| std::move(tab_control_message), cb2.callback()); |
| |
| EXPECT_EQ(net::OK, cb1.WaitForResult()); |
| EXPECT_EQ(net::OK, cb2.WaitForResult()); |
| } |
| |
| } // namespace blimp |