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#include <cerrno>
#include <functional>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <memory>
#include <sdeventplus/event.hpp>
#include <sdeventplus/exception.hpp>
#include <sdeventplus/source/signal.hpp>
#include <sdeventplus/test/sdevent.hpp>
#include <signal.h>
#include <systemd/sd-event.h>
#include <type_traits>
#include <utility>
namespace sdeventplus
{
namespace source
{
namespace
{
using testing::DoAll;
using testing::Return;
using testing::SaveArg;
using testing::SetArgPointee;
using UniqueEvent = std::unique_ptr<Event, std::function<void(Event*)>>;
class SignalTest : public testing::Test
{
protected:
testing::StrictMock<test::SdEventMock> mock;
sd_event_source* const expected_source =
reinterpret_cast<sd_event_source*>(1234);
sd_event* const expected_event = reinterpret_cast<sd_event*>(2345);
UniqueEvent event = make_event(expected_event);
UniqueEvent make_event(sd_event* event)
{
auto deleter = [this, event](Event* e) {
EXPECT_CALL(this->mock, sd_event_unref(event))
.WillOnce(Return(nullptr));
delete e;
};
return UniqueEvent(new Event(event, std::false_type(), &mock), deleter);
}
void expect_destruct()
{
{
testing::InSequence sequence;
EXPECT_CALL(mock, sd_event_source_set_enabled(expected_source,
SD_EVENT_OFF))
.WillOnce(Return(0));
EXPECT_CALL(mock, sd_event_source_unref(expected_source))
.WillOnce(Return(nullptr));
}
EXPECT_CALL(mock, sd_event_unref(expected_event))
.WillOnce(Return(nullptr));
}
};
TEST_F(SignalTest, ConstructSuccess)
{
const int sig = SIGALRM;
EXPECT_CALL(mock, sd_event_ref(expected_event))
.WillOnce(Return(expected_event));
sd_event_signal_handler_t handler;
EXPECT_CALL(mock, sd_event_add_signal(expected_event, testing::_, sig,
testing::_, nullptr))
.WillOnce(DoAll(SetArgPointee<1>(expected_source), SaveArg<3>(&handler),
Return(0)));
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
int completions = 0;
const struct signalfd_siginfo* return_si;
Signal::Callback callback = [&](Signal&,
const struct signalfd_siginfo* si) {
return_si = si;
completions++;
};
Signal signal(*event, sig, std::move(callback));
EXPECT_FALSE(callback);
EXPECT_EQ(&signal, userdata);
EXPECT_EQ(0, completions);
const struct signalfd_siginfo* expected_si =
reinterpret_cast<struct signalfd_siginfo*>(865);
EXPECT_EQ(0, handler(nullptr, expected_si, &signal));
EXPECT_EQ(1, completions);
EXPECT_EQ(expected_si, return_si);
signal.set_callback(std::bind([]() {}));
EXPECT_EQ(0, handler(nullptr, expected_si, &signal));
EXPECT_EQ(1, completions);
expect_destruct();
}
TEST_F(SignalTest, ConstructError)
{
const int sig = SIGALRM;
EXPECT_CALL(mock, sd_event_add_signal(expected_event, testing::_, sig,
testing::_, nullptr))
.WillOnce(Return(-EINVAL));
int completions = 0;
Signal::Callback callback = [&completions](Signal&,
const struct signalfd_siginfo*) {
completions++;
};
EXPECT_THROW(Signal(*event, sig, std::move(callback)), SdEventError);
EXPECT_TRUE(callback);
EXPECT_EQ(0, completions);
}
class SignalMethodTest : public SignalTest
{
protected:
std::unique_ptr<Signal> signal;
void SetUp()
{
const int sig = SIGINT;
EXPECT_CALL(mock, sd_event_ref(expected_event))
.WillOnce(Return(expected_event));
EXPECT_CALL(mock, sd_event_add_signal(expected_event, testing::_, sig,
testing::_, nullptr))
.WillOnce(DoAll(SetArgPointee<1>(expected_source), Return(0)));
EXPECT_CALL(mock,
sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(Return(nullptr));
signal = std::make_unique<Signal>(
*event, sig, [](Signal&, const struct signalfd_siginfo*) {});
}
void TearDown()
{
expect_destruct();
signal.reset();
}
};
TEST_F(SignalMethodTest, GetSignalSuccess)
{
const int sig = SIGTERM;
EXPECT_CALL(mock, sd_event_source_get_signal(expected_source))
.WillOnce(Return(sig));
EXPECT_EQ(sig, signal->get_signal());
}
TEST_F(SignalMethodTest, GetSignalError)
{
EXPECT_CALL(mock, sd_event_source_get_signal(expected_source))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(signal->get_signal(), SdEventError);
}
} // namespace
} // namespace source
} // namespace sdeventplus
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