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/*
* Copyright (c) 2013-2014, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <string>
#include <iostream>
#include "gtest/gtest.h"
#include "connection_handler/heartbeat_monitor.h"
#include "connection_handler/connection.h"
#include "connection_handler/connection_handler.h"
#include "connection_handler/mock_connection_handler.h"
#include "utils/test_async_waiter.h"
namespace {
const int32_t MILLISECONDS_IN_SECOND = 1000;
const int32_t MICROSECONDS_IN_MILLISECONDS = 1000;
const int32_t MICROSECONDS_IN_SECOND = 1000 * 1000;
const uint32_t kTime_offset = 20u;
}
namespace test {
namespace components {
namespace connection_handler_test {
using ::testing::DoAll;
using ::testing::_;
using ::testing::Return;
class HeartBeatMonitorTest : public testing::Test {
public:
HeartBeatMonitorTest()
: connection_(NULL)
, timeout_(100u)
, time_allowance_multiplier_(1.5)
, expiration_timeout_(timeout_ * 2u) {}
protected:
testing::NiceMock<MockConnectionHandler> connection_handler_mock_;
connection_handler::Connection* connection_;
const uint32_t timeout_;
const float_t time_allowance_multiplier_;
const uint32_t expiration_timeout_;
static const connection_handler::ConnectionHandle connection_handle_ =
0xABCDEF;
static const transport_manager::ConnectionUID kDefaultConnectionHandle = 1;
static const uint32_t kDefaultSessionId = 1;
void SetUp() OVERRIDE {
connection_ = new connection_handler::Connection(
connection_handle_, 0, &connection_handler_mock_, timeout_);
}
void TearDown() OVERRIDE {
delete connection_;
}
};
ACTION_P2(RemoveSession, conn, session_id) {
conn->RemoveSession(session_id);
}
TEST_F(HeartBeatMonitorTest, TimerNotStarted) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true)); // called by destructor of Connection
// Whithout StartHeartBeat nothing to be call
EXPECT_CALL(connection_handler_mock_, CloseSession(_, _)).Times(0);
EXPECT_CALL(connection_handler_mock_, CloseConnection(_)).Times(0);
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, _)).Times(0);
connection_->AddNewSession(kDefaultConnectionHandle);
}
TEST_F(HeartBeatMonitorTest, TimerNotElapsed) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true));
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, _)).Times(0);
EXPECT_CALL(connection_handler_mock_, CloseSession(_, _)).Times(0);
EXPECT_CALL(connection_handler_mock_, CloseConnection(_)).Times(0);
const uint32_t session = connection_->AddNewSession(kDefaultConnectionHandle);
connection_->StartHeartBeat(session);
}
TEST_F(HeartBeatMonitorTest, TimerElapsed) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true)); // invoked by RemoveSession action
const uint32_t session = connection_->AddNewSession(kDefaultConnectionHandle);
TestAsyncWaiter waiter;
uint32_t times = 0;
EXPECT_CALL(connection_handler_mock_, CloseSession(_, session, _))
.WillOnce(DoAll(NotifyTestAsyncWaiter(&waiter),
RemoveSession(connection_, session)));
times++;
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, session))
.WillOnce(NotifyTestAsyncWaiter(&waiter));
times++;
connection_->StartHeartBeat(session);
EXPECT_TRUE(waiter.WaitFor(
times,
2 * timeout_ * MICROSECONDS_IN_MILLISECONDS + MICROSECONDS_IN_SECOND));
}
TEST_F(HeartBeatMonitorTest, KeptAlive) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true));
EXPECT_CALL(connection_handler_mock_, CloseSession(_, _)).Times(0);
EXPECT_CALL(connection_handler_mock_, CloseConnection(_)).Times(0);
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, _)).Times(0);
const uint32_t session = connection_->AddNewSession(kDefaultConnectionHandle);
connection_->StartHeartBeat(session);
usleep(timeout_);
connection_->KeepAlive(session);
usleep(timeout_);
connection_->KeepAlive(session);
}
TEST_F(HeartBeatMonitorTest, NotKeptAlive) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true));
const uint32_t session = connection_->AddNewSession(kDefaultConnectionHandle);
TestAsyncWaiter waiter;
uint32_t times = 0;
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, session))
.WillOnce(NotifyTestAsyncWaiter(&waiter));
times++;
EXPECT_CALL(connection_handler_mock_, CloseSession(_, session, _))
.WillOnce(DoAll(NotifyTestAsyncWaiter(&waiter),
RemoveSession(connection_, session)));
times++;
connection_->StartHeartBeat(session);
usleep(timeout_);
connection_->KeepAlive(session);
EXPECT_TRUE(waiter.WaitFor(
times,
2 * timeout_ * MICROSECONDS_IN_MILLISECONDS + MICROSECONDS_IN_SECOND));
}
TEST_F(HeartBeatMonitorTest, TwoSessionsElapsed) {
const uint32_t kMockSessionId1 = 1;
const uint32_t kMockSessionId2 = 2;
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kMockSessionId1))
.WillOnce(Return(kMockSessionId2));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kMockSessionId1))
.WillOnce(Return(true));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kMockSessionId2))
.WillOnce(Return(true));
const uint32_t kSession1 =
connection_->AddNewSession(kDefaultConnectionHandle);
const transport_manager::ConnectionUID kAnotherConnectionHandle = 2;
const uint32_t kSession2 =
connection_->AddNewSession(kAnotherConnectionHandle);
TestAsyncWaiter waiter;
uint32_t times = 0;
EXPECT_CALL(connection_handler_mock_, CloseSession(_, kSession1, _))
.WillOnce(DoAll(NotifyTestAsyncWaiter(&waiter),
RemoveSession(connection_, kSession1)));
times++;
EXPECT_CALL(connection_handler_mock_, CloseSession(_, kSession2, _))
.WillOnce(DoAll(NotifyTestAsyncWaiter(&waiter),
RemoveSession(connection_, kSession2)));
times++;
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, kSession1))
.WillOnce(NotifyTestAsyncWaiter(&waiter));
times++;
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, kSession2))
.WillOnce(NotifyTestAsyncWaiter(&waiter));
times++;
connection_->StartHeartBeat(kSession1);
connection_->StartHeartBeat(kSession2);
EXPECT_TRUE(waiter.WaitFor(
times,
2 * timeout_ * MICROSECONDS_IN_MILLISECONDS + MICROSECONDS_IN_SECOND));
}
TEST_F(HeartBeatMonitorTest, IncreaseHeartBeatTimeout) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true));
const uint32_t kSession =
connection_->AddNewSession(kDefaultConnectionHandle);
EXPECT_CALL(connection_handler_mock_, CloseSession(_, _)).Times(0);
EXPECT_CALL(connection_handler_mock_, CloseConnection(_)).Times(0);
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, _)).Times(0);
const uint32_t kNewTimeout = timeout_ + MICROSECONDS_IN_MILLISECONDS;
connection_->StartHeartBeat(kSession);
connection_->SetHeartBeatTimeout(kNewTimeout, kSession);
}
TEST_F(HeartBeatMonitorTest, DecreaseHeartBeatTimeout) {
EXPECT_CALL(connection_handler_mock_, AddSession(_))
.WillOnce(Return(kDefaultSessionId));
EXPECT_CALL(connection_handler_mock_, RemoveSession(kDefaultSessionId))
.WillOnce(Return(true));
const uint32_t kSession =
connection_->AddNewSession(kDefaultConnectionHandle);
TestAsyncWaiter waiter;
uint32_t times = 0;
EXPECT_CALL(connection_handler_mock_, CloseSession(_, kSession, _))
.WillOnce(DoAll(NotifyTestAsyncWaiter(&waiter),
RemoveSession(connection_, kSession)));
times++;
EXPECT_CALL(connection_handler_mock_, SendHeartBeat(_, kSession))
.WillOnce(NotifyTestAsyncWaiter(&waiter));
times++;
const uint32_t new_timeout = timeout_ - kTime_offset;
connection_->StartHeartBeat(kSession);
connection_->SetHeartBeatTimeout(new_timeout, kSession);
EXPECT_TRUE(waiter.WaitFor(
times,
2 * timeout_ * MICROSECONDS_IN_MILLISECONDS + MICROSECONDS_IN_SECOND));
}
} // namespace connection_handler_test
} // namespace components
} // namespace test
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