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/*
* Copyright (c) 2018, 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 "appMain/low_voltage_signals_handler.h"
#include <memory>
#include "gtest/gtest.h"
#include "appMain/test/mock_life_cycle.h"
#include "utils/mock_signals_posix.h"
#include "utils/macro.h"
namespace test {
using ::testing::_;
using ::testing::Return;
using ::testing::InSequence;
const int kLowVoltageSignalOffset = 1;
const int kWakeUpSignalOffset = 1;
const int kIgnitionOffSignalOffset = 1;
class LowVoltageSignalsHandlerTest : public ::testing::Test {
protected:
LowVoltageSignalsHandlerTest()
: mock_life_cycle_(std::make_shared<main_namespace::MockLifeCycle>())
, mock_signals_posix_(*utils::MockSignalsPosix::signals_posix_mock()) {}
void SetUp() OVERRIDE {
signals_offset_ = {
kLowVoltageSignalOffset, kWakeUpSignalOffset, kIgnitionOffSignalOffset};
low_voltage_signals_handler_ =
std::unique_ptr<main_namespace::LowVoltageSignalsHandler>(
new main_namespace::LowVoltageSignalsHandler(
*mock_life_cycle_.get(), signals_offset_));
}
main_namespace::LowVoltageSignalsOffset signals_offset_;
std::unique_ptr<main_namespace::LowVoltageSignalsHandler>
low_voltage_signals_handler_;
std::shared_ptr<main_namespace::MockLifeCycle> mock_life_cycle_;
utils::MockSignalsPosix& mock_signals_posix_;
};
TEST_F(
LowVoltageSignalsHandlerTest,
LowVoltageSignalReceived_CheckParentProcessBehavior_ExpectChildCreationAndtLowVoltageCall) {
// To guarantee strict call orders
InSequence guarantees_calls_sequence;
// Set expectation after LOW VOLTAGE signal
EXPECT_CALL(*mock_life_cycle_, LowVoltage());
// Expect child process creation
const pid_t cpid = 111;
EXPECT_CALL(mock_signals_posix_, Fork()).WillOnce(Return(cpid));
// Expect parent process sleep
EXPECT_CALL(mock_signals_posix_, WaitPid(_, nullptr, 0));
// Expect parent process wakes up
EXPECT_CALL(*mock_life_cycle_, WakeUp());
const int low_voltage_signo =
low_voltage_signals_handler_->low_voltage_signo();
// Emulate LOW VOLTAGE signal receipt and handling
low_voltage_signals_handler_->HandleSignal(low_voltage_signo);
}
TEST_F(
LowVoltageSignalsHandlerTest,
LowVoltageSignalReceived_CheckChildProcessBehavior_ExpectChildSendsStopToParentProcess) {
// To guarantee strict call orders
InSequence guarantees_calls_sequence;
// Set expectation after LOW VOLTAGE signal
EXPECT_CALL(*mock_life_cycle_, LowVoltage());
// Expect child process creation
const pid_t cpid = 0;
EXPECT_CALL(mock_signals_posix_, Fork()).WillOnce(Return(cpid));
// Expect SIGCONT signal to be sent to parent process
EXPECT_CALL(mock_signals_posix_, SendSignal(SIGSTOP, _));
const int low_voltage_signo =
low_voltage_signals_handler_->low_voltage_signo();
// Emulate LOW VOLTAGE signal receipt and handling
low_voltage_signals_handler_->HandleSignal(low_voltage_signo);
}
TEST_F(LowVoltageSignalsHandlerTest,
WakeUpSignalReceived_ExpectParentProcessWakeUpAndChildProcessExit) {
// To guarantee strict call orders
InSequence guarantees_calls_sequence;
// Expect SIGCONT signal to be sent to parent process
EXPECT_CALL(mock_signals_posix_, SendSignal(SIGCONT, _));
// Expect child process exit
EXPECT_CALL(mock_signals_posix_, ExitProcess(0));
const int wake_up_signo = low_voltage_signals_handler_->wake_up_signo();
// Emulate WAKE UP signal receipt and handling
low_voltage_signals_handler_->HandleSignal(wake_up_signo);
}
TEST_F(LowVoltageSignalsHandlerTest,
IgnitionOffSignalReceived_ExpectAllProcessesStopped) {
// To guarantee strict call orders
InSequence guarantees_calls_sequence;
// Expect SIGKILL signal to be sent to parent process
EXPECT_CALL(mock_signals_posix_, SendSignal(SIGKILL, _));
// Expect child process exit
EXPECT_CALL(mock_signals_posix_, ExitProcess(0));
const int ign_off_signo = low_voltage_signals_handler_->ignition_off_signo();
// Emulate IGN OFF signal receipt and handling
low_voltage_signals_handler_->HandleSignal(ign_off_signo);
}
} // namespace test
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