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/************************************************************************
*
* Copyright (C) 2025 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "plugin_test.hpp"
#include <core/runtime/runtime.hpp>
#include <io/joystick/interactor.hpp>
#include <utest/wait.hpp>
#include <SDL2/SDL.h>
CPPUNIT_TEST_SUITE_REGISTRATION(sight::module::io::joystick::ut::plugin_test);
namespace sight::module::io::joystick::ut
{
inline static const std::string MODULE_NAME = "sight::module::io::joystick";
//------------------------------------------------------------------------------
void plugin_test::setUp()
{
}
//------------------------------------------------------------------------------
void plugin_test::tearDown()
{
}
//------------------------------------------------------------------------------
void plugin_test::basic_test()
{
namespace joystick = sight::io::joystick;
// Name of the virtual joystick
static constexpr auto s_VIRTUAL_NAME = "Virtual Flight Stick";
struct interactor final : public joystick::interactor
{
using joystick::interactor::interactor::devices;
interactor()
{
start_listening_joystick();
}
~interactor() override
{
stop_listening_joystick();
}
//------------------------------------------------------------------------------
void joystick_axis_motion_event(const joystick::axis_motion_event& _event) final
{
if(_event.device->name == s_VIRTUAL_NAME)
{
received_axis_motion_event++;
}
}
//------------------------------------------------------------------------------
void joystick_added_event(const joystick::joystick_event& _event) final
{
if(_event.device->name == s_VIRTUAL_NAME)
{
received_added_event++;
}
}
//------------------------------------------------------------------------------
void joystick_removed_event(const joystick::joystick_event& _event) final
{
if(_event.device->name == s_VIRTUAL_NAME)
{
received_removed_event++;
}
}
std::atomic_int received_added_event {0};
std::atomic_int received_removed_event {0};
std::atomic_int received_axis_motion_event {0};
};
struct virtual_device
{
virtual_device() :
index(SDL_JoystickAttachVirtual(SDL_JoystickType::SDL_JOYSTICK_TYPE_FLIGHT_STICK, 1, 1, 1))
{
CPPUNIT_ASSERT(index >= 0);
}
~virtual_device()
{
if(const auto module = sight::core::runtime::find_module(MODULE_NAME); module && module->is_started())
{
CPPUNIT_ASSERT(SDL_JoystickDetachVirtual(index) >= 0);
}
}
int index {-1};
};
{
interactor interactor_instance;
virtual_device virtual_device_instance;
SIGHT_TEST_WAIT(interactor_instance.received_added_event > 0);
CPPUNIT_ASSERT(interactor_instance.received_added_event == 1);
// Retrieve the real SDL objects
const auto virtual_id = SDL_JoystickGetDeviceInstanceID(virtual_device_instance.index);
CPPUNIT_ASSERT(virtual_id >= 0);
auto* const virtual_joystick = SDL_JoystickFromInstanceID(virtual_id);
CPPUNIT_ASSERT(virtual_joystick != nullptr);
// Send a fake axis motion event
SDL_JoystickSetVirtualAxis(virtual_joystick, 0, 30000);
SIGHT_TEST_WAIT(interactor_instance.received_axis_motion_event > 0);
CPPUNIT_ASSERT(interactor_instance.received_axis_motion_event == 1);
sight::core::runtime::unload_module(MODULE_NAME);
// No joystick event should be received after the module is unloaded
interactor_instance.received_axis_motion_event = 0;
SDL_JoystickSetVirtualAxis(virtual_joystick, 0, 30000);
SIGHT_TEST_WAIT(interactor_instance.received_axis_motion_event > 0, 1000);
CPPUNIT_ASSERT(interactor_instance.received_axis_motion_event == 0);
}
{
// joystick event should be received again once the module is re-loaded, but for NEW interactors
sight::core::runtime::load_module(MODULE_NAME);
interactor interactor_instance;
virtual_device virtual_device_instance;
SIGHT_TEST_WAIT(interactor_instance.received_added_event > 0);
CPPUNIT_ASSERT(interactor_instance.received_added_event == 1);
// Retrieve the real SDL objects
const auto virtual_id = SDL_JoystickGetDeviceInstanceID(virtual_device_instance.index);
CPPUNIT_ASSERT(virtual_id >= 0);
auto* const virtual_joystick = SDL_JoystickFromInstanceID(virtual_id);
CPPUNIT_ASSERT(virtual_joystick != nullptr);
SDL_JoystickSetVirtualAxis(virtual_joystick, 0, 30000);
SIGHT_TEST_WAIT(interactor_instance.received_axis_motion_event > 0);
CPPUNIT_ASSERT(interactor_instance.received_axis_motion_event == 1);
}
}
//------------------------------------------------------------------------------
} // namespace sight::module::io::joystick::ut
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