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//
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "trunks/background_command_transceiver.h"
#include <base/bind.h>
#include <base/logging.h>
#include <base/message_loop/message_loop.h>
#include <base/run_loop.h>
#include <base/threading/platform_thread.h>
#include <base/threading/thread.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "trunks/command_transceiver.h"
#include "trunks/mock_command_transceiver.h"
using testing::_;
using testing::Invoke;
using testing::InvokeWithoutArgs;
using testing::WithArgs;
namespace {
const char kTestThreadName[] = "test_thread";
std::string GetThreadName() {
return std::string(base::PlatformThread::GetName());
}
void GetThreadNameAndCall(
const trunks::CommandTransceiver::ResponseCallback& callback) {
callback.Run(GetThreadName());
}
void Assign(std::string* to, const std::string& from) {
*to = from;
}
void SendCommandAndWaitAndAssign(trunks::CommandTransceiver* transceiver,
std::string* output) {
*output = transceiver->SendCommandAndWait("test");
}
} // namespace
namespace trunks {
class BackgroundTransceiverTest : public testing::Test {
public:
BackgroundTransceiverTest() : test_thread_(kTestThreadName) {
EXPECT_CALL(next_transceiver_, SendCommand(_, _))
.WillRepeatedly(WithArgs<1>(Invoke(GetThreadNameAndCall)));
EXPECT_CALL(next_transceiver_, SendCommandAndWait(_))
.WillRepeatedly(InvokeWithoutArgs(GetThreadName));
CHECK(test_thread_.Start());
}
~BackgroundTransceiverTest() override {}
protected:
base::MessageLoopForIO message_loop_;
base::Thread test_thread_;
MockCommandTransceiver next_transceiver_;
};
TEST_F(BackgroundTransceiverTest, Asynchronous) {
trunks::BackgroundCommandTransceiver background_transceiver(
&next_transceiver_, test_thread_.task_runner());
std::string output = "not_assigned";
background_transceiver.SendCommand("test", base::Bind(Assign, &output));
do {
base::RunLoop run_loop;
run_loop.RunUntilIdle();
} while (output == "not_assigned");
// The call to our mock should have happened on the background thread.
EXPECT_EQ(std::string(kTestThreadName), output);
}
TEST_F(BackgroundTransceiverTest, Synchronous) {
trunks::BackgroundCommandTransceiver background_transceiver(
&next_transceiver_, test_thread_.task_runner());
std::string output = "not_assigned";
// Post a synchronous call to be run when we start pumping the loop.
message_loop_.task_runner()->PostTask(FROM_HERE,
base::Bind(SendCommandAndWaitAndAssign,
&background_transceiver, &output));
base::RunLoop run_loop;
run_loop.RunUntilIdle();
// The call to our mock should have happened on the background thread.
EXPECT_EQ(std::string("test_thread"), output);
}
} // namespace trunks
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