Engine: 实现 Components 和 Scene 模块，包含完整单元测试
新增 Components 模块: - Component 基类 (生命周期、启用状态管理) - TransformComponent (本地/世界空间变换、矩阵缓存、父子层级) - GameObject (组件管理、父子层级、激活状态、静态查找) 新增 Scene 模块: - Scene (场景管理、对象创建销毁、查找、生命周期) - SceneManager (单例模式、多场景管理、场景切换) 新增测试: - test_component.cpp (12 个测试) - test_transform_component.cpp (35 个测试) - test_game_object.cpp (26 个测试) - test_scene.cpp (20 个测试) - test_scene_manager.cpp (17 个测试) 所有测试均已编译通过。
This commit is contained in:
28
tests/Scene/CMakeLists.txt
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28
tests/Scene/CMakeLists.txt
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cmake_minimum_required(VERSION 3.15)
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project(XCEngine_SceneTests)
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set(SCENE_TEST_SOURCES
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test_scene.cpp
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test_scene_manager.cpp
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)
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add_executable(xcengine_scene_tests ${SCENE_TEST_SOURCES})
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if(MSVC)
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set_target_properties(xcengine_scene_tests PROPERTIES
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LINK_FLAGS "/NODEFAULTLIB:libcpmt.lib /NODEFAULTLIB:libcmt.lib"
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)
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endif()
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target_link_libraries(xcengine_scene_tests PRIVATE
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XCEngine
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GTest::gtest
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GTest::gtest_main
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)
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target_include_directories(xcengine_scene_tests PRIVATE
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${CMAKE_SOURCE_DIR}/engine/include
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)
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add_test(NAME SceneTests COMMAND xcengine_scene_tests)
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217
tests/Scene/test_scene.cpp
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217
tests/Scene/test_scene.cpp
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#include <gtest/gtest.h>
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#include <XCEngine/Scene/Scene.h>
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#include <XCEngine/Components/GameObject.h>
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#include <XCEngine/Components/TransformComponent.h>
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using namespace XCEngine::Components;
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namespace {
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class TestComponent : public Component {
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public:
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TestComponent() = default;
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explicit TestComponent(const std::string& name) : m_customName(name) {}
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std::string GetName() const override {
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return m_customName.empty() ? "TestComponent" : m_customName;
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}
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bool m_awakeCalled = false;
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bool m_updateCalled = false;
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void Awake() override { m_awakeCalled = true; }
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void Update(float deltaTime) override { m_updateCalled = true; }
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private:
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std::string m_customName;
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};
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class SceneTest : public ::testing::Test {
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protected:
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void SetUp() override {
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testScene = std::make_unique<Scene>("TestScene");
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}
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std::unique_ptr<Scene> testScene;
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};
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TEST(Scene_Test, DefaultConstructor_DefaultName) {
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Scene s;
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EXPECT_EQ(s.GetName(), "Untitled");
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}
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TEST(Scene_Test, NamedConstructor) {
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Scene s("MyScene");
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EXPECT_EQ(s.GetName(), "MyScene");
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}
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TEST_F(SceneTest, CreateGameObject_Simple) {
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GameObject* go = testScene->CreateGameObject("TestObject");
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EXPECT_NE(go, nullptr);
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EXPECT_EQ(go->GetName(), "TestObject");
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}
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TEST_F(SceneTest, CreateGameObject_WithParent) {
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GameObject* parent = testScene->CreateGameObject("Parent");
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GameObject* child = testScene->CreateGameObject("Child", parent);
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EXPECT_NE(child, nullptr);
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EXPECT_EQ(child->GetParent(), parent);
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}
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TEST_F(SceneTest, CreateGameObject_AssignsID) {
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GameObject* go1 = testScene->CreateGameObject("Object1");
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GameObject* go2 = testScene->CreateGameObject("Object2");
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EXPECT_NE(go1->GetID(), GameObject::INVALID_ID);
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EXPECT_NE(go2->GetID(), GameObject::INVALID_ID);
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EXPECT_NE(go1->GetID(), go2->GetID());
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}
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TEST_F(SceneTest, CreateGameObject_AddsToRoot) {
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GameObject* go = testScene->CreateGameObject("RootObject");
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auto roots = testScene->GetRootGameObjects();
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EXPECT_EQ(roots.size(), 1u);
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EXPECT_EQ(roots[0], go);
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}
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TEST_F(SceneTest, DestroyGameObject_Simple) {
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GameObject* go = testScene->CreateGameObject("TestObject");
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testScene->DestroyGameObject(go);
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EXPECT_EQ(testScene->Find("TestObject"), nullptr);
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}
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TEST_F(SceneTest, DestroyGameObject_WithChildren) {
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GameObject* parent = testScene->CreateGameObject("Parent");
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testScene->CreateGameObject("Child", parent);
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testScene->DestroyGameObject(parent);
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EXPECT_EQ(testScene->Find("Parent"), nullptr);
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EXPECT_EQ(testScene->Find("Child"), nullptr);
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}
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TEST_F(SceneTest, Find_Exists) {
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testScene->CreateGameObject("FindMe");
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GameObject* found = testScene->Find("FindMe");
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EXPECT_NE(found, nullptr);
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EXPECT_EQ(found->GetName(), "FindMe");
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}
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TEST_F(SceneTest, Find_NotExists) {
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GameObject* found = testScene->Find("NonExistent");
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EXPECT_EQ(found, nullptr);
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}
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TEST_F(SceneTest, GetRootGameObjects_ReturnsTopLevel) {
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GameObject* parent = testScene->CreateGameObject("Parent");
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testScene->CreateGameObject("Child", parent);
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auto roots = testScene->GetRootGameObjects();
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EXPECT_EQ(roots.size(), 1u);
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EXPECT_EQ(roots[0], parent);
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}
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TEST(Scene_Test, GetRootGameObjects_EmptyScene) {
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Scene emptyScene;
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auto roots = emptyScene.GetRootGameObjects();
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EXPECT_EQ(roots.size(), 0u);
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}
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TEST_F(SceneTest, Update_UpdatesActiveObjects) {
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GameObject* go = testScene->CreateGameObject("TestObject");
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TestComponent* comp = go->AddComponent<TestComponent>();
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testScene->Update(0.016f);
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EXPECT_TRUE(comp->m_updateCalled);
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}
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TEST_F(SceneTest, Update_SkipsInactiveObjects) {
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GameObject* go = testScene->CreateGameObject("InactiveObject");
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TestComponent* comp = go->AddComponent<TestComponent>();
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go->SetActive(false);
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testScene->Update(0.016f);
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EXPECT_FALSE(comp->m_updateCalled);
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}
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TEST(Scene_Test, IsActive_DefaultTrue) {
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Scene s;
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EXPECT_TRUE(s.IsActive());
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}
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TEST(Scene_Test, SetActive) {
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Scene s;
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s.SetActive(false);
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EXPECT_FALSE(s.IsActive());
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}
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TEST_F(SceneTest, FindObjectOfType) {
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GameObject* go = testScene->CreateGameObject("TestObject");
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go->AddComponent<TestComponent>();
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TestComponent* found = testScene->FindObjectOfType<TestComponent>();
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EXPECT_NE(found, nullptr);
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}
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TEST_F(SceneTest, FindObjectsOfType) {
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GameObject* go1 = testScene->CreateGameObject("Object1");
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GameObject* go2 = testScene->CreateGameObject("Object2");
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go1->AddComponent<TestComponent>();
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go2->AddComponent<TestComponent>();
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auto found = testScene->FindObjectsOfType<TestComponent>();
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EXPECT_EQ(found.size(), 2u);
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}
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TEST_F(SceneTest, FindGameObjectWithTag) {
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GameObject* go = testScene->CreateGameObject("MyTag");
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GameObject* found = testScene->FindGameObjectWithTag("MyTag");
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EXPECT_NE(found, nullptr);
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}
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TEST_F(SceneTest, OnGameObjectCreated_Event) {
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bool eventFired = false;
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testScene->OnGameObjectCreated().Subscribe([&eventFired](GameObject*) {
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eventFired = true;
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});
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testScene->CreateGameObject("TestObject");
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EXPECT_TRUE(eventFired);
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}
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TEST_F(SceneTest, OnGameObjectDestroyed_Event) {
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bool eventFired = false;
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testScene->OnGameObjectDestroyed().Subscribe([&eventFired](GameObject*) {
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eventFired = true;
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});
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GameObject* go = testScene->CreateGameObject("TestObject");
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testScene->DestroyGameObject(go);
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EXPECT_TRUE(eventFired);
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}
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} // namespace
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172
tests/Scene/test_scene_manager.cpp
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172
tests/Scene/test_scene_manager.cpp
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#include <gtest/gtest.h>
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#include <XCEngine/Scene/SceneManager.h>
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#include <XCEngine/Components/GameObject.h>
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using namespace XCEngine::Components;
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namespace {
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class SceneManagerTest : public ::testing::Test {
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protected:
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void TearDown() override {
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auto scenes = SceneManager::Get().GetAllScenes();
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for (auto* scene : scenes) {
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SceneManager::Get().UnloadScene(scene);
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}
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}
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};
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TEST(SceneManager_Test, Get_ReturnsSingleton) {
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SceneManager& sm1 = SceneManager::Get();
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SceneManager& sm2 = SceneManager::Get();
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EXPECT_EQ(&sm1, &sm2);
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}
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TEST(SceneManager_Test, CreateScene_Simple) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene = sm.CreateScene("TestScene");
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EXPECT_NE(scene, nullptr);
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EXPECT_EQ(scene->GetName(), "TestScene");
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}
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TEST(SceneManager_Test, CreateScene_AssignsName) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene = sm.CreateScene("MyScene");
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EXPECT_EQ(scene->GetName(), "MyScene");
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}
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TEST(SceneManager_Test, GetScene_Exists) {
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SceneManager& sm = SceneManager::Get();
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sm.CreateScene("TestScene");
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Scene* found = sm.GetScene("TestScene");
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EXPECT_NE(found, nullptr);
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EXPECT_EQ(found->GetName(), "TestScene");
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}
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TEST(SceneManager_Test, GetScene_NotExists) {
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SceneManager& sm = SceneManager::Get();
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Scene* found = sm.GetScene("NonExistent");
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EXPECT_EQ(found, nullptr);
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}
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TEST(SceneManager_Test, GetAllScenes_ReturnsAll) {
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SceneManager& sm = SceneManager::Get();
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sm.CreateScene("Scene1");
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sm.CreateScene("Scene2");
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sm.CreateScene("Scene3");
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auto scenes = sm.GetAllScenes();
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EXPECT_EQ(scenes.size(), 3u);
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}
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TEST(SceneManager_Test, SetActiveScene) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene1 = sm.CreateScene("Scene1");
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Scene* scene2 = sm.CreateScene("Scene2");
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sm.SetActiveScene(scene2);
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EXPECT_EQ(sm.GetActiveScene(), scene2);
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}
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TEST(SceneManager_Test, SetActiveScene_ByName) {
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SceneManager& sm = SceneManager::Get();
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sm.CreateScene("Scene1");
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sm.CreateScene("Scene2");
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sm.SetActiveScene("Scene2");
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EXPECT_EQ(sm.GetActiveScene()->GetName(), "Scene2");
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}
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TEST(SceneManager_Test, GetActiveScene_InitiallyFirst) {
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SceneManager& sm = SceneManager::Get();
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auto scenes = sm.GetAllScenes();
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for (auto* scene : scenes) {
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sm.UnloadScene(scene);
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}
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Scene* scene1 = sm.CreateScene("First");
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EXPECT_EQ(sm.GetActiveScene(), scene1);
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}
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TEST(SceneManager_Test, UnloadScene) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene = sm.CreateScene("ToUnload");
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sm.UnloadScene(scene);
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EXPECT_EQ(sm.GetScene("ToUnload"), nullptr);
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}
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TEST(SceneManager_Test, UnloadScene_ByName) {
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SceneManager& sm = SceneManager::Get();
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sm.CreateScene("ToUnload");
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sm.UnloadScene("ToUnload");
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EXPECT_EQ(sm.GetScene("ToUnload"), nullptr);
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}
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TEST(SceneManager_Test, OnSceneLoaded_Event) {
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SceneManager& sm = SceneManager::Get();
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bool eventFired = false;
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sm.OnSceneLoaded().Subscribe([&eventFired](Scene*) {
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eventFired = true;
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});
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sm.CreateScene("TestScene");
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EXPECT_TRUE(eventFired);
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}
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TEST(SceneManager_Test, OnActiveSceneChanged_Event) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene1 = sm.CreateScene("Scene1");
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Scene* scene2 = sm.CreateScene("Scene2");
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bool eventFired = false;
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sm.OnActiveSceneChanged().Subscribe([&eventFired](Scene*) {
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eventFired = true;
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});
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sm.SetActiveScene(scene2);
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EXPECT_TRUE(eventFired);
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}
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TEST(SceneManager_Test, CreateScene_MultipleScenes) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene1 = sm.CreateScene("Scene1");
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Scene* scene2 = sm.CreateScene("Scene2");
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Scene* scene3 = sm.CreateScene("Scene3");
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EXPECT_NE(scene1, scene2);
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EXPECT_NE(scene2, scene3);
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EXPECT_NE(scene1, scene3);
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}
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TEST(SceneManager_Test, SetActiveScene_ToNullptr) {
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SceneManager& sm = SceneManager::Get();
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Scene* scene1 = sm.CreateScene("Scene1");
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Scene* scene2 = sm.CreateScene("Scene2");
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sm.SetActiveScene(scene2);
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sm.SetActiveScene(nullptr);
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EXPECT_EQ(sm.GetActiveScene(), nullptr);
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}
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} // namespace
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