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/*
* Copyright (C) 2016 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <gmock/gmock.h>
#include "mcs/common/executable.h"
#include "mcs/common/threadedexecutor.h"
using namespace ::testing;
namespace {
class MockExecutable : public mcs::common::Executable {
public:
MOCK_METHOD0(Stop, bool());
MOCK_METHOD0(Start, bool());
MOCK_METHOD0(Execute, bool());
std::string Name() const override {
return "MockExecutable";
}
};
}
TEST(ThreadedExecutor, CorrectStartAndStopBehaviour) {
auto executable = std::make_shared<MockExecutable>();
EXPECT_CALL(*executable, Start())
.Times(1)
.WillRepeatedly(Return(true));
EXPECT_CALL(*executable, Stop())
.Times(1)
.WillRepeatedly(Return(true));
EXPECT_CALL(*executable, Execute())
.Times(AtLeast(0))
.WillRepeatedly(Return(true));
const auto executor = std::make_shared<mcs::common::ThreadedExecutor>(executable);
EXPECT_FALSE(executor->Running());
EXPECT_FALSE(executor->Stop());
EXPECT_TRUE(executor->Start());
EXPECT_TRUE(executor->Running());
EXPECT_FALSE(executor->Start());
EXPECT_TRUE(executor->Stop());
EXPECT_FALSE(executor->Stop());
}
TEST(ThreadedExecutor, CorrectlyExecutes) {
auto executable = std::make_shared<MockExecutable>();
unsigned int count = 0;
bool running = true;
EXPECT_CALL(*executable, Start())
.Times(1)
.WillRepeatedly(Return(true));
EXPECT_CALL(*executable, Stop())
.Times(1)
.WillRepeatedly(Return(true));
EXPECT_CALL(*executable, Execute())
.Times(AtLeast(10))
.WillRepeatedly(DoAll(Invoke([&]() { count++; running = count < 10; }), ReturnPointee(&running)));
const auto executor = std::make_shared<mcs::common::ThreadedExecutor>(executable);
EXPECT_TRUE(executor->Start());
std::this_thread::sleep_for(std::chrono::milliseconds{100});
EXPECT_TRUE(executor->Stop());
EXPECT_EQ(10, count);
}
TEST(ThreadedExecutor, ExecutableFailsToStart) {
auto executable = std::make_shared<MockExecutable>();
EXPECT_CALL(*executable, Start())
.Times(1)
.WillOnce(Return(false));
const auto executor = std::make_shared<mcs::common::ThreadedExecutor>(executable);
EXPECT_FALSE(executor->Start());
EXPECT_FALSE(executor->Running());
}
TEST(ThreadedExecutor, IgnoresFailedStopFromExecutable) {
auto executable = std::make_shared<MockExecutable>();
EXPECT_CALL(*executable, Start())
.Times(1)
.WillOnce(Return(true));
EXPECT_CALL(*executable, Stop())
.Times(1)
.WillOnce(Return(false));
const auto executor = std::make_shared<mcs::common::ThreadedExecutor>(executable);
EXPECT_TRUE(executor->Start());
EXPECT_TRUE(executor->Stop());
EXPECT_FALSE(executor->Running());
}
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