Merge branch 'master' into niels/decoupling_pixel_and_pos

1 files changed, 254 insertions, 0 deletions

diff --git a/src/test/EventTest.cpp b/src/test/EventTest.cpp
new file mode 100644
index 0000000..b0e6c9c
--- /dev/null
+++ b/src/test/EventTest.cpp
@@ -0,0 +1,254 @@
+
+#include "api/Event.h"
+#include "api/EventManager.h"
+#include "api/IKeyListener.h"
+#include "api/IMouseListener.h"
+#include <gmock/gmock.h>
+#include <gtest/gtest.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) {
+		std::cout << "Key Event Triggered" << std::endl;
+		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;
+	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
+	};
+	event_manager.subscribe<MouseClickEvent>(mouse_handler1);
+	event_manager.subscribe<MouseClickEvent>(mouse_handler2, test_channel);
+
+	event_manager.queue_event<MouseClickEvent>(
+		MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE});
+	event_manager.queue_event<MouseClickEvent>(
+		MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE},
+		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
+}