merge master

20 files changed, 716 insertions, 173 deletions

diff --git a/src/test/AudioTest.cpp b/src/test/AudioTest.cpp
new file mode 100644
index 0000000..48bba1b
--- /dev/null
+++ b/src/test/AudioTest.cpp
@@ -0,0 +1,161 @@
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <crepe/api/AudioSource.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/manager/ComponentManager.h>
+#include <crepe/manager/ResourceManager.h>
+#include <crepe/system/AudioSystem.h>
+
+using namespace std;
+using namespace std::chrono_literals;
+using namespace crepe;
+using namespace testing;
+
+class AudioTest : public Test {
+private:
+	class TestSoundContext : public SoundContext {
+	public:
+		MOCK_METHOD(SoundHandle, play, (Sound & resource), (override));
+		MOCK_METHOD(void, stop, (const SoundHandle &), (override));
+		MOCK_METHOD(void, set_volume, (const SoundHandle &, float), (override));
+		MOCK_METHOD(void, set_loop, (const SoundHandle &, bool), (override));
+	};
+
+	class TestAudioSystem : public AudioSystem {
+	public:
+		using AudioSystem::AudioSystem;
+		StrictMock<TestSoundContext> context;
+		virtual SoundContext & get_context() { return this->context; }
+	};
+
+private:
+	Mediator mediator;
+	ComponentManager component_manager{mediator};
+	ResourceManager resource_manager{mediator};
+
+public:
+	TestAudioSystem system{mediator};
+	TestSoundContext & context = system.context;
+
+private:
+	GameObject entity = component_manager.new_object("name");
+
+public:
+	AudioSource & component = entity.add_component<AudioSource>("mwe/audio/bgm.ogg");
+};
+
+TEST_F(AudioTest, Default) {
+	EXPECT_CALL(context, play(_)).Times(0);
+	EXPECT_CALL(context, stop(_)).Times(0);
+	EXPECT_CALL(context, set_volume(_, _)).Times(0);
+	EXPECT_CALL(context, set_loop(_, _)).Times(0);
+	system.update();
+}
+
+TEST_F(AudioTest, Play) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(0);
+		component.play();
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Stop) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(0);
+		component.stop();
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Volume) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_volume(_, _)).Times(0);
+		component.volume += 0.2;
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_volume(_, component.volume)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, Looping) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_loop(_, _)).Times(0);
+		component.loop = !component.loop;
+	}
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, set_loop(_, component.loop)).Times(1);
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, StopOnDeactivate) {
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, stop(_)).Times(1);
+		component.active = false;
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, PlayOnActive) {
+	component.active = false;
+	component.play_on_awake = true;
+	system.update();
+
+	{
+		InSequence seq;
+
+		EXPECT_CALL(context, play(_)).Times(1);
+		component.active = true;
+		system.update();
+	}
+}
+
+TEST_F(AudioTest, PlayImmediately) {
+	component.play_on_awake = false;
+	component.play();
+
+	EXPECT_CALL(context, play(_)).Times(1);
+
+	system.update();
+}
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index c9cbac5..11b4ca9 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -4,7 +4,9 @@ target_sources(test_main PUBLIC
 	PhysicsTest.cpp
 	ScriptTest.cpp
 	ParticleTest.cpp
+	AudioTest.cpp
 	AssetTest.cpp
+	ResourceManagerTest.cpp
 	OptionalRefTest.cpp
 	RenderSystemTest.cpp
 	EventTest.cpp
@@ -13,8 +15,13 @@ target_sources(test_main PUBLIC
 	ValueBrokerTest.cpp
 	DBTest.cpp
 	Vector2Test.cpp
+	LoopManagerTest.cpp
+	LoopTimerTest.cpp
 	InputTest.cpp
 	ScriptEventTest.cpp
 	ScriptSceneTest.cpp
 	Profiling.cpp
+	SaveManagerTest.cpp
+	ScriptSaveManagerTest.cpp
+	ScriptECSTest.cpp
 )
diff --git a/src/test/CollisionTest.cpp b/src/test/CollisionTest.cpp
index dd45eb6..5dbc670 100644
--- a/src/test/CollisionTest.cpp
+++ b/src/test/CollisionTest.cpp
@@ -50,6 +50,7 @@ public:
 class CollisionTest : public Test {
 public:
 	Mediator m;
+	EventManager event_mgr{m};
 	ComponentManager mgr{m};
 	CollisionSystem collision_sys{m};
 	ScriptSystem script_sys{m};
diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp
index 3e6c61c..af2b7b0 100644
--- a/src/test/ECSTest.cpp
+++ b/src/test/ECSTest.cpp
@@ -1,6 +1,7 @@
 #include <gtest/gtest.h>
 
 #define protected public
+#define private public
 
 #include <crepe/api/GameObject.h>
 #include <crepe/api/Metadata.h>
@@ -16,6 +17,10 @@ class ECSTest : public ::testing::Test {
 
 public:
 	ComponentManager mgr{m};
+
+	class TestComponent : public Component {
+		using Component::Component;
+	};
 };
 
 TEST_F(ECSTest, createGameObject) {
@@ -387,3 +392,77 @@ TEST_F(ECSTest, resetPersistent) {
 	EXPECT_EQ(metadata.size(), 0);
 	EXPECT_EQ(transform.size(), 0);
 }
+
+TEST_F(ECSTest, IDByName) {
+	GameObject foo = mgr.new_object("foo");
+	GameObject bar = mgr.new_object("bar");
+
+	{
+		auto objects = mgr.get_objects_by_name("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_objects_by_name("foo");
+		EXPECT_EQ(objects.size(), 1);
+		EXPECT_TRUE(objects.contains(foo.id));
+	}
+}
+
+TEST_F(ECSTest, IDByTag) {
+	GameObject foo = mgr.new_object("foo", "common tag");
+	GameObject bar = mgr.new_object("bar", "common tag");
+
+	{
+		auto objects = mgr.get_objects_by_tag("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_objects_by_tag("common tag");
+		EXPECT_EQ(objects.size(), 2);
+		EXPECT_TRUE(objects.contains(foo.id));
+		EXPECT_TRUE(objects.contains(bar.id));
+	}
+}
+
+TEST_F(ECSTest, ComponentsByName) {
+	GameObject foo = mgr.new_object("foo");
+	foo.add_component<TestComponent>();
+	GameObject bar = mgr.new_object("bar");
+	bar.add_component<TestComponent>();
+	bar.add_component<TestComponent>();
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("foo");
+		EXPECT_EQ(objects.size(), 1);
+	}
+
+	{
+		auto objects = mgr.get_components_by_name<TestComponent>("bar");
+		EXPECT_EQ(objects.size(), 2);
+	}
+}
+
+TEST_F(ECSTest, ComponentsByTag) {
+	GameObject foo = mgr.new_object("foo", "common tag");
+	foo.add_component<TestComponent>();
+	GameObject bar = mgr.new_object("bar", "common tag");
+	bar.add_component<TestComponent>();
+	bar.add_component<TestComponent>();
+
+	{
+		auto objects = mgr.get_components_by_tag<TestComponent>("");
+		EXPECT_EQ(objects.size(), 0);
+	}
+
+	{
+		auto objects = mgr.get_components_by_tag<TestComponent>("common tag");
+		EXPECT_EQ(objects.size(), 3);
+	}
+}
diff --git a/src/test/EventTest.cpp b/src/test/EventTest.cpp
index 4a4872d..82272b5 100644
--- a/src/test/EventTest.cpp
+++ b/src/test/EventTest.cpp
@@ -1,56 +1,41 @@
-#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>
-
+#include <crepe/manager/Mediator.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:
+	Mediator mediator;
+	EventManager event_mgr{mediator};
 	void SetUp() override {
 		// Clear any existing subscriptions or events before each test
-		EventManager::get_instance().clear();
+		event_mgr.clear();
 	}
 
 	void TearDown() override {
 		// Ensure cleanup after each test
-		EventManager::get_instance().clear();
+		event_mgr.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);
+	event_mgr.subscribe<KeyPressEvent>(key_handler, 1);
 
 	// Verify subscription (not directly verifiable; test by triggering event)
 
-	EventManager::get_instance().trigger_event<KeyPressEvent>(
+	event_mgr.trigger_event<KeyPressEvent>(
 		KeyPressEvent{
 			.repeat = true,
 			.key = Keycode::A,
 		},
 		1);
-	EventManager::get_instance().trigger_event<KeyPressEvent>(
+	event_mgr.trigger_event<KeyPressEvent>(
 		KeyPressEvent{
 			.repeat = true,
 			.key = Keycode::A,
@@ -68,13 +53,11 @@ TEST_F(EventManagerTest, EventManagerTest_trigger_all_channels) {
 		EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
 		return false;
 	};
-	EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler,
-															EventManager::CHANNEL_ALL);
+	event_mgr.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);
+	event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
 
 	EXPECT_TRUE(triggered);
 }
@@ -88,19 +71,17 @@ TEST_F(EventManagerTest, EventManagerTest_trigger_one_channel) {
 		EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
 		return false;
 	};
-	EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler, test_channel);
+	event_mgr.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);
+	event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
 
 	EXPECT_FALSE(triggered);
-	EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, test_channel);
+	event_mgr.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;
@@ -126,11 +107,11 @@ TEST_F(EventManagerTest, EventManagerTest_callback_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);
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL);
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL);
 
 	// Trigger event
-	event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
+	event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
 
 	// Check that only the true handler was triggered
 	EXPECT_TRUE(triggered_true);
@@ -139,12 +120,12 @@ TEST_F(EventManagerTest, EventManagerTest_callback_propagation) {
 	// 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);
+	event_mgr.clear();
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL);
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL);
 
 	// Trigger event again
-	event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
+	event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL);
 
 	// Check that both handlers were triggered
 	EXPECT_TRUE(triggered_true);
@@ -152,47 +133,37 @@ TEST_F(EventManagerTest, EventManagerTest_callback_propagation) {
 }
 
 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) {
+	EventHandler<MouseClickEvent> mouse_handler1 = [&](const MouseClickEvent & e) {
 		triggered1 = true;
-		EXPECT_EQ(e.repeat, false); // Expecting repeat to be false
-		EXPECT_EQ(e.key, Keycode::A); // Adjust expected key code
+		EXPECT_EQ(e.mouse_x, 100);
+		EXPECT_EQ(e.mouse_y, 200);
+		EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
 		return false; // Allows propagation
 	};
-
-	EventHandler<KeyPressEvent> key_handler2 = [&](const KeyPressEvent & e) {
+	EventHandler<MouseClickEvent> mouse_handler2 = [&](const MouseClickEvent & e) {
 		triggered2 = true;
-		EXPECT_EQ(e.repeat, false); // Expecting repeat to be false
-		EXPECT_EQ(e.key, Keycode::A); // Adjust expected key code
+		EXPECT_EQ(e.mouse_x, 100);
+		EXPECT_EQ(e.mouse_y, 200);
+		EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE);
 		return false; // Allows propagation
 	};
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler1);
+	event_mgr.subscribe<MouseClickEvent>(mouse_handler2, test_channel);
 
-	// 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
+	event_mgr.queue_event<MouseClickEvent>(
+		MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE});
+	event_mgr.queue_event<MouseClickEvent>(
+		MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE},
 		test_channel);
-
-	event_manager.dispatch_events();
-
+	event_mgr.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;
@@ -215,15 +186,15 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) {
 		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);
+	subscription_t handler1_id = event_mgr.subscribe<MouseClickEvent>(mouse_handler1);
+	subscription_t handler2_id = event_mgr.subscribe<MouseClickEvent>(mouse_handler2);
 
 	// Queue events
-	event_manager.queue_event<MouseClickEvent>(
+	event_mgr.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();
+	event_mgr.dispatch_events();
 	EXPECT_TRUE(triggered1); // Handler 1 should be triggered
 	EXPECT_TRUE(triggered2); // Handler 2 should be triggered
 
@@ -232,14 +203,14 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) {
 	triggered2 = false;
 
 	// Unsubscribe handler1
-	event_manager.unsubscribe(handler1_id);
+	event_mgr.unsubscribe(handler1_id);
 
 	// Queue the same event again
-	event_manager.queue_event<MouseClickEvent>(
+	event_mgr.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();
+	event_mgr.dispatch_events();
 	EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered
 	EXPECT_TRUE(triggered2); // Handler 2 should be triggered
 
@@ -247,14 +218,14 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) {
 	triggered2 = false;
 
 	// Unsubscribe handler2
-	event_manager.unsubscribe(handler2_id);
+	event_mgr.unsubscribe(handler2_id);
 
 	// Queue the event again
-	event_manager.queue_event<MouseClickEvent>(
+	event_mgr.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();
+	event_mgr.dispatch_events();
 	EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered
 	EXPECT_FALSE(triggered2); // Handler 2 should NOT be triggered
 }
diff --git a/src/test/InputTest.cpp b/src/test/InputTest.cpp
index a7c0157..8b40cea 100644
--- a/src/test/InputTest.cpp
+++ b/src/test/InputTest.cpp
@@ -1,3 +1,4 @@
+#include "system/RenderSystem.h"
 #include <gtest/gtest.h>
 #define protected public
 #define private public
@@ -24,17 +25,23 @@ class InputTest : public ::testing::Test {
 public:
 	Mediator mediator;
 	ComponentManager mgr{mediator};
+	SDLContext sdl_context{mediator};
 
 	InputSystem input_system{mediator};
-
-	EventManager & event_manager = EventManager::get_instance();
+	RenderSystem render{mediator};
+	EventManager event_manager{mediator};
 	//GameObject camera;
 
 protected:
 	void SetUp() override {
-		mediator.event_manager = event_manager;
-		mediator.component_manager = mgr;
-		event_manager.clear();
+		GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
+		auto & camera
+			= obj.add_component<Camera>(ivec2{500, 500}, vec2{500, 500},
+										Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
+		render.update();
+		//mediator.event_manager = event_manager;
+		//mediator.component_manager = mgr;
+		//event_manager.clear();
 	}
 
 	void simulate_mouse_click(int mouse_x, int mouse_y, Uint8 mouse_button) {
@@ -59,10 +66,6 @@ protected:
 };
 
 TEST_F(InputTest, MouseDown) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool mouse_triggered = false;
 	EventHandler<MousePressEvent> on_mouse_down = [&](const MousePressEvent & event) {
 		mouse_triggered = true;
@@ -89,10 +92,6 @@ TEST_F(InputTest, MouseDown) {
 }
 
 TEST_F(InputTest, MouseUp) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool function_triggered = false;
 	EventHandler<MouseReleaseEvent> on_mouse_release = [&](const MouseReleaseEvent & e) {
 		function_triggered = true;
@@ -117,10 +116,6 @@ TEST_F(InputTest, MouseUp) {
 }
 
 TEST_F(InputTest, MouseMove) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool function_triggered = false;
 	EventHandler<MouseMoveEvent> on_mouse_move = [&](const MouseMoveEvent & e) {
 		function_triggered = true;
@@ -147,10 +142,6 @@ TEST_F(InputTest, MouseMove) {
 }
 
 TEST_F(InputTest, KeyDown) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool function_triggered = false;
 
 	// Define event handler for KeyPressEvent
@@ -178,10 +169,6 @@ TEST_F(InputTest, KeyDown) {
 }
 
 TEST_F(InputTest, KeyUp) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool function_triggered = false;
 	EventHandler<KeyReleaseEvent> on_key_release = [&](const KeyReleaseEvent & event) {
 		function_triggered = true;
@@ -202,10 +189,6 @@ TEST_F(InputTest, KeyUp) {
 }
 
 TEST_F(InputTest, MouseClick) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	bool on_click_triggered = false;
 	EventHandler<MouseClickEvent> on_mouse_click = [&](const MouseClickEvent & event) {
 		on_click_triggered = true;
@@ -223,10 +206,6 @@ TEST_F(InputTest, MouseClick) {
 }
 
 TEST_F(InputTest, testButtonClick) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1);
 	bool button_clicked = false;
 	std::function<void()> on_click = [&]() { button_clicked = true; };
@@ -250,10 +229,6 @@ TEST_F(InputTest, testButtonClick) {
 }
 
 TEST_F(InputTest, testButtonHover) {
-	GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1);
-	auto & camera = obj.add_component<Camera>(
-		ivec2{100, 100}, vec2{100, 100}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
-	camera.active = true;
 	GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1);
 	bool button_clicked = false;
 	std::function<void()> on_click = [&]() { button_clicked = true; };
diff --git a/src/test/LoopManagerTest.cpp b/src/test/LoopManagerTest.cpp
new file mode 100644
index 0000000..df132ae
--- /dev/null
+++ b/src/test/LoopManagerTest.cpp
@@ -0,0 +1,78 @@
+#include <chrono>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <thread>
+#define private public
+#define protected public
+#include <crepe/api/LoopManager.h>
+#include <crepe/manager/EventManager.h>
+#include <crepe/manager/LoopTimerManager.h>
+using namespace std::chrono;
+using namespace crepe;
+
+class DISABLED_LoopManagerTest : public ::testing::Test {
+protected:
+	class TestGameLoop : public crepe::LoopManager {
+	public:
+		MOCK_METHOD(void, fixed_update, (), (override));
+		MOCK_METHOD(void, frame_update, (), (override));
+	};
+
+	TestGameLoop test_loop;
+	void SetUp() override {}
+};
+
+TEST_F(DISABLED_LoopManagerTest, FixedUpdate) {
+	// Arrange
+	test_loop.loop_timer.set_target_framerate(60);
+
+	// Set expectations for the mock calls
+	EXPECT_CALL(test_loop, frame_update).Times(::testing::Between(55, 65));
+	EXPECT_CALL(test_loop, fixed_update).Times(::testing::Between(48, 52));
+
+	// Start the loop in a separate thread
+	std::thread loop_thread([&]() { test_loop.start(); });
+
+	// Let the loop run for exactly 1 second
+	std::this_thread::sleep_for(std::chrono::seconds(1));
+
+	// Stop the game loop
+	test_loop.game_running = false;
+	// Wait for the loop thread to finish
+	loop_thread.join();
+
+	// Test finished
+}
+
+TEST_F(DISABLED_LoopManagerTest, ScaledFixedUpdate) {
+	// Arrange
+	test_loop.loop_timer.set_target_framerate(60);
+
+	// Set expectations for the mock calls
+	EXPECT_CALL(test_loop, frame_update).Times(::testing::Between(55, 65));
+	EXPECT_CALL(test_loop, fixed_update).Times(::testing::Between(48, 52));
+
+	// Start the loop in a separate thread
+	std::thread loop_thread([&]() { test_loop.start(); });
+
+	// Let the loop run for exactly 1 second
+	std::this_thread::sleep_for(std::chrono::seconds(1));
+
+	// Stop the game loop
+	test_loop.game_running = false;
+	// Wait for the loop thread to finish
+	loop_thread.join();
+
+	// Test finished
+}
+
+TEST_F(DISABLED_LoopManagerTest, ShutDown) {
+	// Arrange
+	test_loop.loop_timer.set_target_framerate(60);
+	// Start the loop in a separate thread
+	std::thread loop_thread([&]() { test_loop.start(); });
+	std::this_thread::sleep_for(std::chrono::milliseconds(1));
+	test_loop.event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{});
+	// Wait for the loop thread to finish
+	loop_thread.join();
+}
diff --git a/src/test/LoopTimerTest.cpp b/src/test/LoopTimerTest.cpp
new file mode 100644
index 0000000..d76bf45
--- /dev/null
+++ b/src/test/LoopTimerTest.cpp
@@ -0,0 +1,81 @@
+#include <chrono>
+#include <gtest/gtest.h>
+#include <thread>
+
+#define private public
+#define protected public
+
+#include <crepe/manager/LoopTimerManager.h>
+#include <crepe/manager/Mediator.h>
+
+using namespace std::chrono;
+using namespace crepe;
+
+class LoopTimerTest : public ::testing::Test {
+protected:
+	Mediator mediator;
+	LoopTimerManager loop_timer{mediator};
+
+	void SetUp() override { loop_timer.start(); }
+};
+
+TEST_F(LoopTimerTest, EnforcesTargetFrameRate) {
+	// Set the target FPS to 60 (which gives a target time per frame of ~16.67 ms)
+	loop_timer.set_target_framerate(60);
+
+	auto start_time = steady_clock::now();
+	loop_timer.enforce_frame_rate();
+
+	auto elapsed_time = steady_clock::now() - start_time;
+	auto elapsed_ms = duration_cast<milliseconds>(elapsed_time).count();
+
+	// For 60 FPS, the target frame time is around 16.67ms
+	ASSERT_NEAR(elapsed_ms, 16.7, 1);
+}
+
+TEST_F(LoopTimerTest, SetTargetFps) {
+	// Set the target FPS to 120
+	loop_timer.set_target_framerate(120);
+
+	// Calculate the expected frame time (~8.33ms per frame)
+	duration_t expected_frame_time = std::chrono::duration<float>(1.0 / 120.0);
+
+	ASSERT_NEAR(loop_timer.frame_target_time.count(), expected_frame_time.count(), 0.001);
+}
+
+TEST_F(LoopTimerTest, DeltaTimeCalculation) {
+	// Set the target FPS to 60 (16.67 ms per frame)
+	loop_timer.set_target_framerate(60);
+
+	auto start_time = steady_clock::now();
+	loop_timer.update();
+	auto end_time = steady_clock::now();
+
+	// Check the delta time
+	duration_t delta_time = loop_timer.get_delta_time();
+
+	auto elapsed_time = duration_cast<seconds>(end_time - start_time).count();
+
+	// Assert that delta_time is close to the elapsed time
+	ASSERT_NEAR(delta_time.count(), elapsed_time, 1);
+}
+
+TEST_F(LoopTimerTest, DISABLED_getCurrentTime) {
+	// Set the target FPS to 60 (16.67 ms per frame)
+	loop_timer.set_target_framerate(60);
+
+	auto start_time = steady_clock::now();
+
+	// Sleep
+	std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
+	loop_timer.update();
+
+	auto end_time = steady_clock::now();
+
+	// Get the elapsed time in seconds as a double
+	auto elapsed_time
+		= std::chrono::duration_cast<elapsed_time_t>(end_time - start_time).count();
+
+	ASSERT_NEAR(loop_timer.get_elapsed_time().count(), elapsed_time, 5);
+}
diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp
index 1409c4f..9112a3f 100644
--- a/src/test/ParticleTest.cpp
+++ b/src/test/ParticleTest.cpp
@@ -1,10 +1,10 @@
+#include "api/Asset.h"
 #include <crepe/Particle.h>
 #include <crepe/api/Config.h>
 #include <crepe/api/GameObject.h>
 #include <crepe/api/ParticleEmitter.h>
 #include <crepe/api/Rigidbody.h>
 #include <crepe/api/Sprite.h>
-#include <crepe/api/Texture.h>
 #include <crepe/api/Transform.h>
 #include <crepe/manager/ComponentManager.h>
 #include <crepe/system/ParticleSystem.h>
@@ -30,7 +30,7 @@ public:
 			GameObject game_object = mgr.new_object("", "", vec2{0, 0}, 0, 0);
 
 			Color color(0, 0, 0, 0);
-			auto s1 = Texture("asset/texture/img.png");
+			auto s1 = Asset("asset/texture/img.png");
 			Sprite & test_sprite = game_object.add_component<Sprite>(
 				s1, Sprite::Data{
 						.color = color,
diff --git a/src/test/Profiling.cpp b/src/test/Profiling.cpp
index c753bca..35f52dc 100644
--- a/src/test/Profiling.cpp
+++ b/src/test/Profiling.cpp
@@ -1,9 +1,11 @@
-#include "manager/Mediator.h"
-#include "system/ParticleSystem.h"
-#include "system/PhysicsSystem.h"
-#include "system/RenderSystem.h"
 #include <chrono>
 #include <cmath>
+#include <crepe/api/Asset.h>
+#include <crepe/manager/Mediator.h>
+#include <crepe/manager/ResourceManager.h>
+#include <crepe/system/ParticleSystem.h>
+#include <crepe/system/PhysicsSystem.h>
+#include <crepe/system/RenderSystem.h>
 #include <gtest/gtest.h>
 
 #define private public
@@ -15,6 +17,7 @@
 #include <crepe/api/Rigidbody.h>
 #include <crepe/api/Script.h>
 #include <crepe/api/Transform.h>
+#include <crepe/facade/SDLContext.h>
 #include <crepe/manager/ComponentManager.h>
 #include <crepe/manager/EventManager.h>
 #include <crepe/system/CollisionSystem.h>
@@ -54,6 +57,8 @@ public:
 	const std::chrono::microseconds duration = 16000us;
 
 	Mediator m;
+	SDLContext sdl_context{m};
+	ResourceManager resman{m};
 	ComponentManager mgr{m};
 	// Add system used for profling tests
 	CollisionSystem collision_sys{m};
@@ -167,15 +172,15 @@ TEST_F(DISABLED_ProfilingTest, Profiling_2) {
 			gameobject.add_component<BoxCollider>(vec2{0, 0}, vec2{1, 1});
 
 			gameobject.add_component<BehaviorScript>().set_script<TestScript>();
-			auto img = Texture("asset/texture/square.png");
 			Sprite & test_sprite = gameobject.add_component<Sprite>(
-				img, Sprite::Data{
-						 .color = {0, 0, 0, 0},
-						 .flip = {.flip_x = false, .flip_y = false},
-						 .sorting_in_layer = 1,
-						 .order_in_layer = 1,
-						 .size = {.y = 500},
-					 });
+				Asset{"asset/texture/square.png"},
+				Sprite::Data{
+					.color = {0, 0, 0, 0},
+					.flip = {.flip_x = false, .flip_y = false},
+					.sorting_in_layer = 1,
+					.order_in_layer = 1,
+					.size = {.y = 500},
+				});
 		}
 
 		this->game_object_count++;
@@ -205,15 +210,15 @@ TEST_F(DISABLED_ProfilingTest, Profiling_3) {
 			});
 			gameobject.add_component<BoxCollider>(vec2{0, 0}, vec2{1, 1});
 			gameobject.add_component<BehaviorScript>().set_script<TestScript>();
-			auto img = Texture("asset/texture/square.png");
 			Sprite & test_sprite = gameobject.add_component<Sprite>(
-				img, Sprite::Data{
-						 .color = {0, 0, 0, 0},
-						 .flip = {.flip_x = false, .flip_y = false},
-						 .sorting_in_layer = 1,
-						 .order_in_layer = 1,
-						 .size = {.y = 500},
-					 });
+				Asset{"asset/texture/square.png"},
+				Sprite::Data{
+					.color = {0, 0, 0, 0},
+					.flip = {.flip_x = false, .flip_y = false},
+					.sorting_in_layer = 1,
+					.order_in_layer = 1,
+					.size = {.y = 500},
+				});
 			auto & test = gameobject.add_component<ParticleEmitter>(ParticleEmitter::Data{
 				.max_particles = 10,
 				.emission_rate = 100,
diff --git a/src/test/RenderSystemTest.cpp b/src/test/RenderSystemTest.cpp
index 205f534..b4519cb 100644
--- a/src/test/RenderSystemTest.cpp
+++ b/src/test/RenderSystemTest.cpp
@@ -1,3 +1,6 @@
+#include "api/Asset.h"
+#include "facade/SDLContext.h"
+#include "manager/ResourceManager.h"
 #include "types.h"
 #include <functional>
 #include <gtest/gtest.h>
@@ -11,7 +14,6 @@
 #include <crepe/api/Color.h>
 #include <crepe/api/GameObject.h>
 #include <crepe/api/Sprite.h>
-#include <crepe/api/Texture.h>
 #include <crepe/manager/ComponentManager.h>
 
 #include <crepe/system/RenderSystem.h>
@@ -25,6 +27,8 @@ class RenderSystemTest : public Test {
 
 public:
 	ComponentManager mgr{m};
+	SDLContext ctx{m};
+	ResourceManager resource_manager{m};
 	RenderSystem sys{m};
 	GameObject entity1 = this->mgr.new_object("name");
 	GameObject entity2 = this->mgr.new_object("name");
@@ -32,10 +36,10 @@ public:
 	GameObject entity4 = this->mgr.new_object("name");
 
 	void SetUp() override {
-		auto s1 = Texture("asset/texture/img.png");
-		auto s2 = Texture("asset/texture/img.png");
-		auto s3 = Texture("asset/texture/img.png");
-		auto s4 = Texture("asset/texture/img.png");
+		auto s1 = Asset("asset/texture/img.png");
+		auto s2 = Asset("asset/texture/img.png");
+		auto s3 = Asset("asset/texture/img.png");
+		auto s4 = Asset("asset/texture/img.png");
 		auto & sprite1
 			= entity1.add_component<Sprite>(s1, Sprite::Data{
 													.color = Color(0, 0, 0, 0),
@@ -45,7 +49,6 @@ public:
 													.size = {10, 10},
 												});
 
-		ASSERT_NE(sprite1.texture.texture.get(), nullptr);
 		EXPECT_EQ(sprite1.data.order_in_layer, 5);
 		EXPECT_EQ(sprite1.data.sorting_in_layer, 5);
 		auto & sprite2
@@ -55,7 +58,6 @@ public:
 													.sorting_in_layer = 2,
 													.order_in_layer = 1,
 												});
-		ASSERT_NE(sprite2.texture.texture.get(), nullptr);
 		EXPECT_EQ(sprite2.data.sorting_in_layer, 2);
 		EXPECT_EQ(sprite2.data.order_in_layer, 1);
 
@@ -66,7 +68,6 @@ public:
 													.sorting_in_layer = 1,
 													.order_in_layer = 2,
 												});
-		ASSERT_NE(sprite3.texture.texture.get(), nullptr);
 		EXPECT_EQ(sprite3.data.sorting_in_layer, 1);
 		EXPECT_EQ(sprite3.data.order_in_layer, 2);
 
@@ -77,27 +78,12 @@ public:
 													.sorting_in_layer = 1,
 													.order_in_layer = 1,
 												});
-		ASSERT_NE(sprite4.texture.texture.get(), nullptr);
 		EXPECT_EQ(sprite4.data.sorting_in_layer, 1);
 		EXPECT_EQ(sprite4.data.order_in_layer, 1);
 	}
 };
 
-TEST_F(RenderSystemTest, expected_throws) {
-	GameObject entity1 = this->mgr.new_object("NAME");
-
-	// no texture img
-	EXPECT_ANY_THROW({
-		auto test = Texture("");
-		auto & sprite1 = entity1.add_component<Sprite>(
-			test, Sprite::Data{
-					  .color = Color(0, 0, 0, 0),
-					  .flip = Sprite::FlipSettings{false, false},
-					  .sorting_in_layer = 1,
-					  .order_in_layer = 1,
-				  });
-	});
-
+TEST_F(RenderSystemTest, NoCamera) {
 	// No camera
 	EXPECT_ANY_THROW({ this->sys.update(); });
 }
@@ -185,7 +171,7 @@ TEST_F(RenderSystemTest, Color) {
 								  Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f});
 
 	auto & sprite = this->mgr.get_components_by_id<Sprite>(entity1.id).front().get();
-	ASSERT_NE(sprite.texture.texture.get(), nullptr);
+	//ASSERT_NE(sprite.texture.texture.get(), nullptr);
 
 	sprite.data.color = Color::GREEN;
 	EXPECT_EQ(sprite.data.color.r, Color::GREEN.r);
diff --git a/src/test/ResourceManagerTest.cpp b/src/test/ResourceManagerTest.cpp
new file mode 100644
index 0000000..965eeab
--- /dev/null
+++ b/src/test/ResourceManagerTest.cpp
@@ -0,0 +1,84 @@
+#include "manager/Mediator.h"
+#include <gtest/gtest.h>
+
+#define private public
+#define protected public
+
+#include <crepe/api/GameObject.h>
+#include <crepe/manager/ResourceManager.h>
+#include <crepe/util/Log.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ResourceManagerTest : public Test {
+	Mediator mediator;
+
+public:
+	ResourceManager resource_manager{mediator};
+
+	class Unrelated : public Resource {
+		using Resource::Resource;
+	};
+
+	Asset asset_a{"asset/texture/img.png"};
+	Asset asset_b{"asset/texture/ERROR.png"};
+
+	class TestResource : public Resource {
+	public:
+		static unsigned instances;
+
+	public:
+		const unsigned instance;
+		TestResource(const Asset & src, Mediator & mediator)
+			: Resource(src, mediator),
+			  instance(this->instances++) {}
+		~TestResource() { this->instances--; }
+		bool operator==(const TestResource & other) const {
+			return this->instance == other.instance;
+		}
+	};
+
+private:
+	void SetUp() override { TestResource::instances = 0; }
+};
+unsigned ResourceManagerTest::TestResource::instances = 0;
+
+TEST_F(ResourceManagerTest, Default) {
+	TestResource & res_1 = resource_manager.get<TestResource>(asset_a);
+	TestResource & res_2 = resource_manager.get<TestResource>(asset_a);
+	TestResource & res_3 = resource_manager.get<TestResource>(asset_b);
+	TestResource & res_4 = resource_manager.get<TestResource>(asset_b);
+
+	ASSERT_EQ(res_1, res_2);
+	ASSERT_EQ(res_3, res_4);
+	EXPECT_NE(res_1, res_3);
+
+	EXPECT_EQ(TestResource::instances, 2);
+
+	resource_manager.clear();
+}
+
+TEST_F(ResourceManagerTest, Persistent) {
+	resource_manager.set_persistent(asset_a, true);
+	EXPECT_EQ(TestResource::instances, 0);
+
+	resource_manager.get<TestResource>(asset_a);
+	resource_manager.get<TestResource>(asset_a);
+	resource_manager.get<TestResource>(asset_b);
+	resource_manager.get<TestResource>(asset_b);
+	EXPECT_EQ(TestResource::instances, 2);
+
+	resource_manager.clear();
+	EXPECT_EQ(TestResource::instances, 1);
+
+	resource_manager.clear_all();
+	EXPECT_EQ(TestResource::instances, 0);
+}
+
+TEST_F(ResourceManagerTest, UnmatchedType) {
+	EXPECT_NO_THROW({ resource_manager.get<TestResource>(asset_a); });
+
+	EXPECT_THROW({ resource_manager.get<Unrelated>(asset_a); }, runtime_error);
+}
diff --git a/src/test/SaveManagerTest.cpp b/src/test/SaveManagerTest.cpp
new file mode 100644
index 0000000..e9b0c29
--- /dev/null
+++ b/src/test/SaveManagerTest.cpp
@@ -0,0 +1,40 @@
+#include <gtest/gtest.h>
+
+#include <crepe/ValueBroker.h>
+#include <crepe/facade/DB.h>
+#include <crepe/manager/SaveManager.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class SaveManagerTest : public Test {
+	Mediator m;
+	class TestSaveManager : public SaveManager {
+		using SaveManager::SaveManager;
+
+		// in-memory database for testing
+		DB db{};
+		virtual DB & get_db() override { return this->db; }
+	};
+
+public:
+	TestSaveManager mgr{m};
+};
+
+TEST_F(SaveManagerTest, ReadWrite) {
+	ASSERT_FALSE(mgr.has("foo"));
+	mgr.set<string>("foo", "bar");
+	ASSERT_TRUE(mgr.has("foo"));
+
+	ValueBroker value = mgr.get<string>("foo");
+	EXPECT_EQ(value.get(), "bar");
+}
+
+TEST_F(SaveManagerTest, DefaultValue) {
+	ValueBroker value = mgr.get<int>("foo", 3);
+
+	ASSERT_EQ(value.get(), 3);
+	value.set(5);
+	ASSERT_EQ(value.get(), 5);
+}
diff --git a/src/test/ScriptECSTest.cpp b/src/test/ScriptECSTest.cpp
new file mode 100644
index 0000000..1ec33ba
--- /dev/null
+++ b/src/test/ScriptECSTest.cpp
@@ -0,0 +1,41 @@
+#include <gtest/gtest.h>
+
+#define protected public
+
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/Metadata.h>
+#include <crepe/api/Script.h>
+#include <crepe/manager/ComponentManager.h>
+#include <crepe/system/ScriptSystem.h>
+
+#include "ScriptTest.h"
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ScriptECSTest : public ScriptTest {
+public:
+	class TestComponent : public Component {
+		using Component::Component;
+	};
+};
+
+TEST_F(ScriptECSTest, GetOwnComponent) {
+	MyScript & script = this->script;
+	Metadata & metadata = script.get_component<Metadata>();
+
+	EXPECT_EQ(metadata.name, OBJ_NAME);
+}
+
+TEST_F(ScriptECSTest, GetOwnComponents) {
+	const unsigned COUNT = 4;
+
+	for (unsigned i = 0; i < COUNT; i++) entity.add_component<TestComponent>();
+
+	MyScript & script = this->script;
+	RefVector<TestComponent> components = script.get_components<TestComponent>();
+
+	EXPECT_EQ(components.size(), COUNT);
+}
diff --git a/src/test/ScriptEventTest.cpp b/src/test/ScriptEventTest.cpp
index 5da31e7..c1b4028 100644
--- a/src/test/ScriptEventTest.cpp
+++ b/src/test/ScriptEventTest.cpp
@@ -26,7 +26,7 @@ public:
 	class MyEvent : public Event {};
 };
 
-TEST_F(ScriptEventTest, Inactive) {
+TEST_F(ScriptEventTest, Default) {
 	BehaviorScript & behaviorscript = this->behaviorscript;
 	MyScript & script = this->script;
 	EventManager & evmgr = this->event_manager;
diff --git a/src/test/ScriptSaveManagerTest.cpp b/src/test/ScriptSaveManagerTest.cpp
new file mode 100644
index 0000000..64403c4
--- /dev/null
+++ b/src/test/ScriptSaveManagerTest.cpp
@@ -0,0 +1,35 @@
+#include <gtest/gtest.h>
+
+// stupid hack to allow access to private/protected members under test
+#define private public
+#define protected public
+
+#include <crepe/facade/DB.h>
+#include <crepe/manager/SaveManager.h>
+
+#include "ScriptTest.h"
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class ScriptSaveManagerTest : public ScriptTest {
+public:
+	class TestSaveManager : public SaveManager {
+		using SaveManager::SaveManager;
+
+		// in-memory database for testing
+		DB db{};
+		virtual DB & get_db() override { return this->db; }
+	};
+
+	TestSaveManager save_mgr{mediator};
+};
+
+TEST_F(ScriptSaveManagerTest, GetSaveManager) {
+	MyScript & script = this->script;
+
+	SaveManager & mgr = script.get_save_manager();
+
+	EXPECT_EQ(&mgr, &save_mgr);
+}
diff --git a/src/test/ScriptSceneTest.cpp b/src/test/ScriptSceneTest.cpp
index 9ee1e52..2568049 100644
--- a/src/test/ScriptSceneTest.cpp
+++ b/src/test/ScriptSceneTest.cpp
@@ -18,7 +18,7 @@ public:
 	class MyScene : public Scene {};
 };
 
-TEST_F(ScriptSceneTest, Inactive) {
+TEST_F(ScriptSceneTest, Default) {
 	BehaviorScript & behaviorscript = this->behaviorscript;
 	MyScript & script = this->script;
 
diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp
index 1d2d6dd..acdae70 100644
--- a/src/test/ScriptTest.cpp
+++ b/src/test/ScriptTest.cpp
@@ -6,7 +6,6 @@
 #define protected public
 
 #include "ScriptTest.h"
-#include <crepe/api/GameObject.h>
 
 using namespace std;
 using namespace crepe;
@@ -14,7 +13,6 @@ using namespace testing;
 
 void ScriptTest::SetUp() {
 	auto & mgr = this->component_manager;
-	GameObject entity = mgr.new_object("name");
 	BehaviorScript & component = entity.add_component<BehaviorScript>();
 
 	this->behaviorscript = component;
diff --git a/src/test/ScriptTest.h b/src/test/ScriptTest.h
index 1bbfdd3..31fa7c9 100644
--- a/src/test/ScriptTest.h
+++ b/src/test/ScriptTest.h
@@ -6,15 +6,18 @@
 #include <crepe/api/BehaviorScript.h>
 #include <crepe/api/Script.h>
 #include <crepe/manager/ComponentManager.h>
+#include <crepe/manager/EventManager.h>
 #include <crepe/system/ScriptSystem.h>
-
 class ScriptTest : public testing::Test {
 protected:
 	crepe::Mediator mediator;
+	static constexpr const char * OBJ_NAME = "foo";
 
 public:
 	crepe::ComponentManager component_manager{mediator};
 	crepe::ScriptSystem system{mediator};
+	crepe::EventManager event_mgr{mediator};
+	crepe::GameObject entity = component_manager.new_object(OBJ_NAME);
 
 	class MyScript : public crepe::Script {
 		// NOTE: explicitly stating `public:` is not required on actual scripts
diff --git a/src/test/main.cpp b/src/test/main.cpp
index aece72d..ed2aed5 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -1,9 +1,5 @@
-#include <gtest/gtest.h>
-
-#define protected public
-#define private public
-
 #include <crepe/api/Config.h>
+#include <gtest/gtest.h>
 
 using namespace crepe;
 using namespace testing;
@@ -11,12 +7,14 @@ using namespace testing;
 class GlobalConfigReset : public EmptyTestEventListener {
 public:
 	Config & cfg = Config::get_instance();
-	Config cfg_default = Config();
 
 	// This function is called before each test
 	void OnTestStart(const TestInfo &) override {
-		cfg = cfg_default;
-		cfg.log.level = Log::Level::WARNING;
+		cfg = {
+			.log = {
+				.level = Log::Level::WARNING,
+			},
+		};
 	}
 };