blob: 69ae8e2f8df26897f29d4a64151d774b69f5958f [file] [log] [blame]
#include <cerrno>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <memory>
#include <sdeventplus/event.hpp>
#include <sdeventplus/exception.hpp>
#include <sdeventplus/internal/sdevent.hpp>
#include <sdeventplus/source/base.hpp>
#include <sdeventplus/test/sdevent.hpp>
#include <string>
#include <system_error>
#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 BaseImpl : public Base
{
public:
BaseImpl(const Event& event, sd_event_source* source) : Base(event, source)
{
}
BaseImpl(const Event& event, sd_event_source* source, std::false_type) :
Base(event, source, std::false_type())
{
}
};
class BaseTest : 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);
}
// Using a unique_ptr to make sure we don't get any superfluous moves or
// copies.
std::unique_ptr<BaseImpl> make_base(const Event& event,
sd_event_source* source)
{
EXPECT_CALL(mock, sd_event_ref(event.get()))
.WillOnce(Return(event.get()));
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
auto ret = std::make_unique<BaseImpl>(event, source, std::false_type());
EXPECT_EQ(ret.get(), userdata);
EXPECT_EQ(source, ret->get());
EXPECT_NE(&event, &ret->get_event());
EXPECT_EQ(event.get(), ret->get_event().get());
EXPECT_FALSE(ret->get_prepare());
return ret;
}
void set_prepare_placeholder(Base& base)
{
EXPECT_CALL(mock, sd_event_source_set_prepare(base.get(), testing::_))
.WillOnce(Return(0));
base.set_prepare([](Base&) {});
EXPECT_TRUE(base.get_prepare());
}
void empty_base(BaseImpl&& other)
{
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(other.get(), testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
BaseImpl mover(std::move(other));
EXPECT_EQ(&mover, userdata);
EXPECT_EQ(nullptr, other.get());
EXPECT_EQ(nullptr, other.get_event().get());
EXPECT_FALSE(other.get_prepare());
expect_base_destruct(mover.get_event(), mover.get());
}
void expect_base_destruct(const Event& event, sd_event_source* source)
{
{
testing::InSequence seq;
EXPECT_CALL(mock, sd_event_source_set_enabled(source, SD_EVENT_OFF))
.WillOnce(Return(0));
EXPECT_CALL(mock, sd_event_source_unref(source))
.WillOnce(Return(nullptr));
}
EXPECT_CALL(mock, sd_event_unref(event.get()))
.WillOnce(Return(nullptr));
}
};
TEST_F(BaseTest, NewBaseRef)
{
EXPECT_CALL(mock, sd_event_ref(expected_event))
.WillOnce(Return(expected_event));
EXPECT_CALL(mock, sd_event_source_ref(expected_source))
.WillOnce(Return(expected_source));
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
BaseImpl source(*event, expected_source);
EXPECT_EQ(&source, userdata);
EXPECT_EQ(expected_source, source.get());
EXPECT_NE(event.get(), &source.get_event());
EXPECT_EQ(expected_event, source.get_event().get());
EXPECT_FALSE(source.get_prepare());
expect_base_destruct(*event, expected_source);
}
TEST_F(BaseTest, NewBaseNoRef)
{
EXPECT_CALL(mock, sd_event_ref(expected_event))
.WillOnce(Return(expected_event));
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
BaseImpl source(*event, expected_source, std::false_type());
EXPECT_EQ(&source, userdata);
EXPECT_EQ(expected_source, source.get());
EXPECT_NE(event.get(), &source.get_event());
EXPECT_EQ(expected_event, source.get_event().get());
EXPECT_FALSE(source.get_prepare());
expect_base_destruct(*event, expected_source);
}
TEST_F(BaseTest, MoveConstruct)
{
std::unique_ptr<BaseImpl> source1 = make_base(*event, expected_source);
set_prepare_placeholder(*source1);
void* userdata;
EXPECT_CALL(mock, sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
BaseImpl source2(std::move(*source1));
EXPECT_EQ(&source2, userdata);
EXPECT_EQ(nullptr, source1->get());
EXPECT_EQ(nullptr, source1->get_event().get());
EXPECT_FALSE(source1->get_prepare());
EXPECT_EQ(expected_source, source2.get());
EXPECT_EQ(expected_event, source2.get_event().get());
EXPECT_TRUE(source2.get_prepare());
expect_base_destruct(*event, expected_source);
}
TEST_F(BaseTest, MoveAssignSelf)
{
std::unique_ptr<BaseImpl> source1 = make_base(*event, expected_source);
set_prepare_placeholder(*source1);
*source1 = std::move(*source1);
EXPECT_EQ(expected_source, source1->get());
EXPECT_EQ(expected_event, source1->get_event().get());
EXPECT_TRUE(source1->get_prepare());
expect_base_destruct(*event, expected_source);
}
TEST_F(BaseTest, MoveAssignEmpty)
{
std::unique_ptr<BaseImpl> source1 = make_base(*event, expected_source);
set_prepare_placeholder(*source1);
std::unique_ptr<BaseImpl> source2 = make_base(*event, expected_source);
empty_base(std::move(*source2));
{
void* userdata;
EXPECT_CALL(mock,
sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
*source2 = std::move(*source1);
EXPECT_EQ(source2.get(), userdata);
}
EXPECT_EQ(nullptr, source1->get());
EXPECT_EQ(nullptr, source1->get_event().get());
EXPECT_FALSE(source1->get_prepare());
EXPECT_EQ(expected_source, source2->get());
EXPECT_EQ(expected_event, source2->get_event().get());
EXPECT_TRUE(source2->get_prepare());
// Make sure source1 is deleted to ensure it isn't holding a reference
source1.reset();
expect_base_destruct(*event, expected_source);
}
TEST_F(BaseTest, MoveAssignExisting)
{
sd_event_source* const expected_source2 =
reinterpret_cast<sd_event_source*>(3456);
sd_event* const expected_event2 = reinterpret_cast<sd_event*>(4567);
std::unique_ptr<BaseImpl> source1 = make_base(*event, expected_source);
set_prepare_placeholder(*source1);
UniqueEvent event2 = make_event(expected_event2);
std::unique_ptr<BaseImpl> source2 = make_base(*event2, expected_source2);
{
expect_base_destruct(*event2, expected_source2);
void* userdata;
EXPECT_CALL(mock,
sd_event_source_set_userdata(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
*source2 = std::move(*source1);
EXPECT_EQ(source2.get(), userdata);
}
EXPECT_EQ(nullptr, source1->get());
EXPECT_EQ(nullptr, source1->get_event().get());
EXPECT_FALSE(source1->get_prepare());
EXPECT_EQ(expected_source, source2->get());
EXPECT_EQ(expected_event, source2->get_event().get());
EXPECT_TRUE(source2->get_prepare());
// Make sure source1 is deleted to ensure it isn't holding a reference
source1.reset();
expect_base_destruct(*event, expected_source);
}
class BaseMethodTest : public BaseTest
{
protected:
std::unique_ptr<BaseImpl> base = make_base(*event, expected_source);
void TearDown()
{
expect_base_destruct(base->get_event(), base->get());
base.reset();
}
};
TEST_F(BaseMethodTest, GetDescriptionSuccess)
{
const char* expected = "test_desc";
EXPECT_CALL(mock,
sd_event_source_get_description(expected_source, testing::_))
.WillOnce(DoAll(SetArgPointee<1>(expected), Return(0)));
// Intentionally comparing pointers to make sure no copying is happening
EXPECT_EQ(expected, base->get_description());
}
TEST_F(BaseMethodTest, GetDescriptionError)
{
EXPECT_CALL(mock,
sd_event_source_get_description(expected_source, testing::_))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->get_description(), SdEventError);
}
TEST_F(BaseMethodTest, SetDescriptionSuccess)
{
const char* expected = "test desc";
// Intentionally comparing pointers to make sure no copying is happening
EXPECT_CALL(mock,
sd_event_source_set_description(expected_source, expected))
.WillOnce(Return(0));
base->set_description(expected);
}
TEST_F(BaseMethodTest, SetDescriptionError)
{
const char* expected = "test desc";
// Intentionally comparing pointers to make sure no copying is happening
EXPECT_CALL(mock,
sd_event_source_set_description(expected_source, expected))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->set_description(expected), SdEventError);
}
TEST_F(BaseMethodTest, SetPrepareCallback)
{
bool completed = false;
Base::Callback callback = [&completed](Base&) { completed = true; };
sd_event_handler_t event_handler;
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&event_handler), Return(0)));
base->set_prepare(std::move(callback));
EXPECT_TRUE(base->get_prepare());
EXPECT_FALSE(callback);
EXPECT_FALSE(completed);
EXPECT_EQ(0, event_handler(nullptr, base.get()));
EXPECT_TRUE(completed);
}
TEST_F(BaseMethodTest, SetPrepareCallbackNoUserdata)
{
Base::Callback callback = [](Base&) {};
sd_event_handler_t event_handler;
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, testing::_))
.WillOnce(DoAll(SaveArg<1>(&event_handler), Return(0)));
base->set_prepare(std::move(callback));
EXPECT_TRUE(base->get_prepare());
EXPECT_FALSE(callback);
EXPECT_EQ(-EINVAL, event_handler(nullptr, nullptr));
}
TEST_F(BaseMethodTest, SetPrepareNull)
{
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, nullptr))
.WillOnce(Return(0));
base->set_prepare(nullptr);
EXPECT_EQ(-ENOSYS, base->prepareCallback());
}
TEST_F(BaseMethodTest, SetPrepareSystemError)
{
Base::Callback callback = [](Base&) {
throw std::system_error(EBUSY, std::generic_category());
};
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, testing::_))
.WillOnce(Return(0));
base->set_prepare(std::move(callback));
EXPECT_TRUE(base->get_prepare());
EXPECT_FALSE(callback);
EXPECT_EQ(-EBUSY, base->prepareCallback());
}
TEST_F(BaseMethodTest, SetPrepareUnknownException)
{
Base::Callback callback = [](Base&) { throw static_cast<int>(1); };
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, testing::_))
.WillOnce(Return(0));
base->set_prepare(std::move(callback));
EXPECT_TRUE(base->get_prepare());
EXPECT_FALSE(callback);
EXPECT_EQ(-ENOSYS, base->prepareCallback());
}
TEST_F(BaseMethodTest, SetPrepareError)
{
Base::Callback callback = [](Base&) {};
EXPECT_CALL(mock, sd_event_source_set_prepare(expected_source, testing::_))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->set_prepare(std::move(callback)), SdEventError);
EXPECT_FALSE(base->get_prepare());
EXPECT_TRUE(callback);
EXPECT_EQ(-ENOSYS, base->prepareCallback());
}
TEST_F(BaseMethodTest, GetPendingSuccess)
{
EXPECT_CALL(mock, sd_event_source_get_pending(expected_source))
.WillOnce(Return(0));
EXPECT_EQ(0, base->get_pending());
EXPECT_CALL(mock, sd_event_source_get_pending(expected_source))
.WillOnce(Return(4));
EXPECT_EQ(4, base->get_pending());
}
TEST_F(BaseMethodTest, GetPendingError)
{
EXPECT_CALL(mock, sd_event_source_get_pending(expected_source))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->get_pending(), SdEventError);
}
TEST_F(BaseMethodTest, GetPrioritySuccess)
{
EXPECT_CALL(mock, sd_event_source_get_priority(expected_source, testing::_))
.WillOnce(DoAll(SetArgPointee<1>(1024), Return(0)));
EXPECT_EQ(1024, base->get_priority());
}
TEST_F(BaseMethodTest, GetPriorityError)
{
EXPECT_CALL(mock, sd_event_source_get_priority(expected_source, testing::_))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->get_priority(), SdEventError);
}
TEST_F(BaseMethodTest, SetPrioritySuccess)
{
EXPECT_CALL(mock, sd_event_source_set_priority(expected_source, 1024))
.WillOnce(Return(0));
base->set_priority(1024);
}
TEST_F(BaseMethodTest, SetPriorityError)
{
EXPECT_CALL(mock, sd_event_source_set_priority(expected_source, 1024))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->set_priority(1024), SdEventError);
}
TEST_F(BaseMethodTest, GetEnabledSuccess)
{
EXPECT_CALL(mock, sd_event_source_get_enabled(expected_source, testing::_))
.WillOnce(DoAll(SetArgPointee<1>(SD_EVENT_ON), Return(0)));
EXPECT_EQ(SD_EVENT_ON, base->get_enabled());
}
TEST_F(BaseMethodTest, GetEnabledError)
{
EXPECT_CALL(mock, sd_event_source_get_enabled(expected_source, testing::_))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->get_enabled(), SdEventError);
}
TEST_F(BaseMethodTest, SetEnabledSuccess)
{
EXPECT_CALL(mock, sd_event_source_set_enabled(expected_source, SD_EVENT_ON))
.WillOnce(Return(0));
base->set_enabled(SD_EVENT_ON);
}
TEST_F(BaseMethodTest, SetEnabledError)
{
EXPECT_CALL(mock, sd_event_source_set_enabled(expected_source, SD_EVENT_ON))
.WillOnce(Return(-EINVAL));
EXPECT_THROW(base->set_enabled(SD_EVENT_ON), SdEventError);
}
} // namespace
} // namespace source
} // namespace sdeventplus