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#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <crepe/api/Event.h>
#include <crepe/api/IKeyListener.h>
#include <crepe/api/IMouseListener.h>
#include <crepe/manager/EventManager.h>
using namespace std;
using namespace std::chrono_literals;
using namespace crepe;
class EventManagerTest : public ::testing::Test {
protected:
void SetUp() override {
// Clear any existing subscriptions or events before each test
EventManager::get_instance().clear();
}
void TearDown() override {
// Ensure cleanup after each test
EventManager::get_instance().clear();
}
};
class MockKeyListener : public IKeyListener {
public:
MOCK_METHOD(bool, on_key_pressed, (const KeyPressEvent & event), (override));
MOCK_METHOD(bool, on_key_released, (const KeyReleaseEvent & event), (override));
};
class MockMouseListener : public IMouseListener {
public:
MOCK_METHOD(bool, on_mouse_clicked, (const MouseClickEvent & event), (override));
MOCK_METHOD(bool, on_mouse_pressed, (const MousePressEvent & event), (override));
MOCK_METHOD(bool, on_mouse_released, (const MouseReleaseEvent & event), (override));
MOCK_METHOD(bool, on_mouse_moved, (const MouseMoveEvent & event), (override));
};
TEST_F(EventManagerTest, EventSubscription) {
EventHandler<KeyPressEvent> key_handler = [](const KeyPressEvent & e) { return true; };
// Subscribe to KeyPressEvent
EventManager::get_instance().subscribe<KeyPressEvent>(key_handler, 1);
// Verify subscription (not directly verifiable; test by triggering event)
EventManager::get_instance().trigger_event<KeyPressEvent>(
KeyPressEvent{
.repeat = true,
.key = Keycode::A,
},
1);
EventManager::get_instance().trigger_event<KeyPressEvent>(
KeyPressEvent{
.repeat = true,
.key = Keycode::A,
},
EventManager::CHANNEL_ALL);
}
TEST_F(EventManagerTest, EventManagerTest_trigger_all_channels) {
bool triggered = false;
EventHandler<MouseClickEvent> mouse_handler = [&](const MouseClickEvent & e) {
triggered = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false;
};
EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler,
EventManager::CHANNEL_ALL);
MouseClickEvent click_event{
.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE};
EventManager::get_instance().trigger_event<MouseClickEvent>(click_event,
EventManager::CHANNEL_ALL);
EXPECT_TRUE(triggered);
}
TEST_F(EventManagerTest, EventManagerTest_trigger_one_channel) {
bool triggered = false;
int test_channel = 1;
EventHandler<MouseClickEvent> mouse_handler = [&](const MouseClickEvent & e) {
triggered = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false;
};
EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler, test_channel);
MouseClickEvent click_event{
.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE};
EventManager::get_instance().trigger_event<MouseClickEvent>(click_event,
EventManager::CHANNEL_ALL);
EXPECT_FALSE(triggered);
EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, test_channel);
}
TEST_F(EventManagerTest, EventManagerTest_callback_propagation) {
EventManager & event_manager = EventManager::get_instance();
// Flags to track handler calls
bool triggered_true = false;
bool triggered_false = false;
// Handlers
EventHandler<MouseClickEvent> mouse_handler_true = [&](const MouseClickEvent & e) {
triggered_true = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return true; // Stops propagation
};
EventHandler<MouseClickEvent> mouse_handler_false = [&](const MouseClickEvent & e) {
triggered_false = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false; // Allows propagation
};
// Test event
MouseClickEvent click_event{
.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE};
event_manager.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL);
event_manager.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL);
// Trigger event
event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
// Check that only the true handler was triggered
EXPECT_TRUE(triggered_true);
EXPECT_FALSE(triggered_false);
// Reset and clear
triggered_true = false;
triggered_false = false;
event_manager.clear();
event_manager.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL);
event_manager.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL);
// Trigger event again
event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
// Check that both handlers were triggered
EXPECT_TRUE(triggered_true);
EXPECT_TRUE(triggered_false);
}
TEST_F(EventManagerTest, EventManagerTest_queue_dispatch) {
EventManager & event_manager = EventManager::get_instance();
bool triggered1 = false;
bool triggered2 = false;
int test_channel = 1;
// Adjusted to use KeyPressEvent with repeat as the first variable
EventHandler<KeyPressEvent> key_handler1 = [&](const KeyPressEvent & e) {
triggered1 = true;
EXPECT_EQ(e.repeat, false); // Expecting repeat to be false
EXPECT_EQ(e.key, Keycode::A); // Adjust expected key code
return false; // Allows propagation
};
EventHandler<KeyPressEvent> key_handler2 = [&](const KeyPressEvent & e) {
triggered2 = true;
EXPECT_EQ(e.repeat, false); // Expecting repeat to be false
EXPECT_EQ(e.key, Keycode::A); // Adjust expected key code
return false; // Allows propagation
};
// Subscribe handlers to KeyPressEvent
event_manager.subscribe<KeyPressEvent>(key_handler1);
event_manager.subscribe<KeyPressEvent>(key_handler2, test_channel);
// Queue a KeyPressEvent instead of KeyDownEvent
event_manager.queue_event<KeyPressEvent>(KeyPressEvent{
.repeat = false, .key = Keycode::A}); // Adjust event with repeat flag first
event_manager.queue_event<KeyPressEvent>(
KeyPressEvent{.repeat = false,
.key = Keycode::A}, // Adjust event for second subscription
test_channel);
event_manager.dispatch_events();
EXPECT_TRUE(triggered1);
EXPECT_TRUE(triggered2);
}
TEST_F(EventManagerTest, EventManagerTest_unsubscribe) {
EventManager & event_manager = EventManager::get_instance();
// Flags to track if handlers are triggered
bool triggered1 = false;
bool triggered2 = false;
// Define EventHandlers
EventHandler<MouseClickEvent> mouse_handler1 = [&](const MouseClickEvent & e) {
triggered1 = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false; // Allows propagation
};
EventHandler<MouseClickEvent> mouse_handler2 = [&](const MouseClickEvent & e) {
triggered2 = true;
EXPECT_EQ(e.mouse_x, 100);
EXPECT_EQ(e.mouse_y, 200);
EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
return false; // Allows propagation
};
// Subscribe handlers
subscription_t handler1_id = event_manager.subscribe<MouseClickEvent>(mouse_handler1);
subscription_t handler2_id = event_manager.subscribe<MouseClickEvent>(mouse_handler2);
// Queue events
event_manager.queue_event<MouseClickEvent>(
MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE});
// Dispatch events - both handlers should be triggered
event_manager.dispatch_events();
EXPECT_TRUE(triggered1); // Handler 1 should be triggered
EXPECT_TRUE(triggered2); // Handler 2 should be triggered
// Reset flags
triggered1 = false;
triggered2 = false;
// Unsubscribe handler1
event_manager.unsubscribe(handler1_id);
// Queue the same event again
event_manager.queue_event<MouseClickEvent>(
MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE});
// Dispatch events - only handler 2 should be triggered, handler 1 should NOT
event_manager.dispatch_events();
EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered
EXPECT_TRUE(triggered2); // Handler 2 should be triggered
// Reset flags
triggered2 = false;
// Unsubscribe handler2
event_manager.unsubscribe(handler2_id);
// Queue the event again
event_manager.queue_event<MouseClickEvent>(
MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE});
// Dispatch events - no handler should be triggered
event_manager.dispatch_events();
EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered
EXPECT_FALSE(triggered2); // Handler 2 should NOT be triggered
}
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