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rpc_broker_unittest.cc
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rpc_broker_unittest.cc
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// 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 "media/remoting/rpc_broker.h"
#include <memory>
#include <vector>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "media/remoting/media_remoting_rpc.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::Invoke;
using testing::Return;
namespace media {
namespace remoting {
namespace {
class FakeMessageSender {
public:
FakeMessageSender()
: received_rpc_(new pb::RpcMessage()),
has_sent_message_(false),
send_count_(0),
weak_factory_(this) {}
~FakeMessageSender() = default;
void OnSendMessageAndQuit(std::unique_ptr<std::vector<uint8_t>> message) {
EXPECT_TRUE(
received_rpc_->ParseFromArray(message->data(), message->size()));
has_sent_message_ = true;
}
void OnSendMessage(std::unique_ptr<std::vector<uint8_t>> message) {
++send_count_;
}
base::WeakPtr<FakeMessageSender> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
bool has_sent_message() const { return has_sent_message_; }
const pb::RpcMessage* received_rpc() const { return received_rpc_.get(); }
int send_count() const { return send_count_; }
private:
std::unique_ptr<pb::RpcMessage> received_rpc_;
bool has_sent_message_;
int send_count_;
base::WeakPtrFactory<FakeMessageSender> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeMessageSender);
};
class FakeMessageReceiver {
public:
FakeMessageReceiver() : has_received_message_(false), weak_factory_(this) {}
~FakeMessageReceiver() = default;
// RpcBroker::MessageReceiver implementation.
void OnReceivedRpc(std::unique_ptr<pb::RpcMessage> message) {
received_rpc_ = std::move(message);
has_received_message_++;
}
void OnSendMessage(std::unique_ptr<std::vector<uint8_t>> message) {}
base::WeakPtr<FakeMessageReceiver> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
int has_received_message() const { return has_received_message_; }
const pb::RpcMessage* received_rpc() const { return received_rpc_.get(); }
private:
std::unique_ptr<pb::RpcMessage> received_rpc_;
int has_received_message_;
base::WeakPtrFactory<FakeMessageReceiver> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeMessageReceiver);
};
} // namespace
class RpcBrokerTest : public testing::Test {
protected:
void SetUp() override {}
};
TEST_F(RpcBrokerTest, TestProcessMessageFromRemoteRegistered) {
std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver());
ASSERT_FALSE(fake_receiver->has_received_message());
// Creates receiver RpcBroker and registers FakeMessageReceiver.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr())));
int handle = rpc_broker->GetUniqueHandle();
const RpcBroker::ReceiveMessageCallback receive_callback = base::Bind(
&FakeMessageReceiver::OnReceivedRpc, fake_receiver->GetWeakPtr());
rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback);
std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage());
rpc->set_handle(handle);
rpc_broker->ProcessMessageFromRemote(std::move(rpc));
ASSERT_EQ(fake_receiver->has_received_message(), 1);
}
TEST_F(RpcBrokerTest, TestProcessMessageFromRemoteUnregistered) {
std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver());
ASSERT_FALSE(fake_receiver->has_received_message());
// Creates receiver RpcBroker and registers FakeMessageReceiver.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr())));
int handle = rpc_broker->GetUniqueHandle();
const RpcBroker::ReceiveMessageCallback receive_callback = base::Bind(
&FakeMessageReceiver::OnReceivedRpc, fake_receiver->GetWeakPtr());
rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback);
std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage());
rpc_broker->UnregisterMessageReceiverCallback(handle);
rpc_broker->ProcessMessageFromRemote(std::move(rpc));
ASSERT_EQ(fake_receiver->has_received_message(), 0);
}
TEST_F(RpcBrokerTest, TestSendMessageToRemote) {
std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender());
ASSERT_FALSE(fake_sender->has_sent_message());
// Creates RpcBroker and set message callback.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageSender::OnSendMessage, fake_sender->GetWeakPtr())));
for (int i = 0; i < 10; ++i) {
std::unique_ptr<pb::RpcMessage> rpc(new pb::RpcMessage());
rpc_broker->SendMessageToRemote(std::move(rpc));
}
EXPECT_EQ(10, fake_sender->send_count());
}
TEST_F(RpcBrokerTest, RpcBrokerSendMessageCallback) {
std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender());
ASSERT_FALSE(fake_sender->has_sent_message());
// Creates RpcBroker and set message callback.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageSender::OnSendMessageAndQuit, fake_sender->GetWeakPtr())));
// Sends RPC message.
std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage());
sent_rpc->set_handle(2);
sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME);
sent_rpc->set_double_value(2.2);
rpc_broker->SendMessageToRemote(std::move(sent_rpc));
// Wait for messge callback.
// message_loop->Run();
base::RunLoop().RunUntilIdle();
// Check if received message is identical to the one sent earlier.
ASSERT_TRUE(fake_sender->has_sent_message());
const auto* received_rpc = fake_sender->received_rpc();
ASSERT_EQ(2, received_rpc->handle());
ASSERT_EQ(pb::RpcMessage::RPC_R_SETVOLUME, received_rpc->proc());
ASSERT_EQ(2.2, received_rpc->double_value());
}
TEST_F(RpcBrokerTest, RpcBrokerProcessMessageWithRegisteredHandle) {
std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver());
ASSERT_FALSE(fake_receiver->has_received_message());
// Creates receiver RpcBroker and registers FakeMessageReceiver.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr())));
int handle = rpc_broker->GetUniqueHandle();
const RpcBroker::ReceiveMessageCallback receive_callback = base::Bind(
&FakeMessageReceiver::OnReceivedRpc, fake_receiver->GetWeakPtr());
rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback);
// Generates RPC message with handle value |handle| and send it to receover
// RpcBroker to process.
std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage());
sent_rpc->set_handle(handle);
sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME);
sent_rpc->set_double_value(2.2);
rpc_broker->ProcessMessageFromRemote(std::move(sent_rpc));
// Checks if received message is identical to the one sent earlier.
ASSERT_TRUE(fake_receiver->has_received_message());
auto* received_rpc = fake_receiver->received_rpc();
ASSERT_EQ(handle, received_rpc->handle());
ASSERT_EQ(pb::RpcMessage::RPC_R_SETVOLUME, received_rpc->proc());
ASSERT_EQ(2.2, received_rpc->double_value());
// Unregisters FakeMessageReceiver.
rpc_broker->UnregisterMessageReceiverCallback(handle);
}
TEST_F(RpcBrokerTest, RpcBrokerProcessMessageWithUnregisteredHandle) {
std::unique_ptr<FakeMessageReceiver> fake_receiver(new FakeMessageReceiver());
ASSERT_FALSE(fake_receiver->has_received_message());
// Creates receiver RpcBroker and registers FakeMessageReceiver.
std::unique_ptr<RpcBroker> rpc_broker(new RpcBroker(base::Bind(
&FakeMessageReceiver::OnSendMessage, fake_receiver->GetWeakPtr())));
int handle = rpc_broker->GetUniqueHandle();
const RpcBroker::ReceiveMessageCallback receive_callback = base::Bind(
&FakeMessageReceiver::OnReceivedRpc, fake_receiver->GetWeakPtr());
rpc_broker->RegisterMessageReceiverCallback(handle, receive_callback);
// Generates RPC message with handle value |handle| and send it to receover
// RpcBroker to process.
std::unique_ptr<pb::RpcMessage> sent_rpc(new pb::RpcMessage());
int different_handle = handle + 1;
sent_rpc->set_handle(different_handle);
sent_rpc->set_proc(pb::RpcMessage::RPC_R_SETVOLUME);
sent_rpc->set_double_value(2.2);
rpc_broker->ProcessMessageFromRemote(std::move(sent_rpc));
// Check if received message is identical to the one sent earlier.
ASSERT_FALSE(fake_receiver->has_received_message());
// Unregisters FakeMessageReceiver.
rpc_broker->UnregisterMessageReceiverCallback(handle);
}
} // namespace remoting
} // namespace media