328 lines
7.4 KiB
Markdown
328 lines
7.4 KiB
Markdown
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# XCEngine 测试规范
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## 1. 测试框架
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### 1.1 框架组成
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| 组件 | 用途 | 文档位置 |
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|------|------|---------|
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| Google Test | 单元测试框架 | https://google.github.io/googletest/ |
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| CTest | CMake 测试发现和执行 | 内置 CMake 模块 |
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| Python | 集成测试辅助 | `scripts/run_tests.py` |
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### 1.2 测试分类
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| 类型 | 框架 | 特点 |
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|------|------|------|
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| 单元测试 | Google Test | 快速、独立、无副作用 |
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| 集成测试 | CTest + Python | 端到端验证、需要 GUI |
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---
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## 2. 测试目录结构
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### 2.1 整体结构
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```
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tests/
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├── CMakeLists.txt # 主 CMake 配置
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├── TEST_SPEC.md # 本规范文档
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├── run_tests.bat # Windows 测试启动脚本
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├── fixtures/ # 共享测试夹具
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├── scripts/
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│ └── run_tests.py # 统一测试运行脚本
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├── math/ # 数学库测试
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├── core/ # 核心库测试
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├── containers/ # 容器测试
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├── memory/ # 内存管理测试
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├── threading/ # 线程测试
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├── debug/ # 调试系统测试
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├── Resources/ # 资源系统测试
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└── RHI/
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├── D3D12/ # D3D12 RHI 测试
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│ ├── unit/ # 单元测试
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│ └── integration/ # 集成测试
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└── OpenGL/ # OpenGL RHI 测试 (暂不维护)
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```
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### 2.2 模块命名规范
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| 模块 | 测试可执行文件 | CTest 名称 |
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|------|--------------|-----------|
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| math | xcengine_math_tests | MathTests |
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| core | xcengine_core_tests | CoreTests |
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| containers | xcengine_containers_tests | ContainersTests |
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| memory | xcengine_memory_tests | MemoryTests |
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| threading | xcengine_threading_tests | ThreadingTests |
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| debug | xcengine_debug_tests | DebugTests |
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| Resources | xcengine_resources_tests | ResourcesTests |
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| RHI/D3D12/unit | d3d12_engine_tests | D3D12EngineTests |
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| RHI/D3D12/integration | D3D12_Minimal | D3D12_Minimal_Integration |
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---
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## 3. 测试命名规范
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### 3.1 单元测试命名
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**格式**: `Component_Category_SubBehavior`
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| 部分 | 说明 | 示例 |
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|------|------|------|
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| Component | 被测组件 | Memory, ResourceHandle, Buffer |
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| Category | 操作类别 | Create, Get, Set, Map, Reset |
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| SubBehavior | 具体行为 | DefaultHeap, GPUAddress, ValidPointer |
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**示例**:
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```
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MemoryTest_GetSystemAllocator_ReturnsValidPointer
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ResourceHandle_DefaultConstructor
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Buffer_Create_DefaultHeap
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Texture_Create_2D
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```
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### 3.2 禁止模式
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❌ 不允许:
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- `*_Placeholder` - 无意义的占位测试
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- 驼峰+下划线混用
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- 空操作测试
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### 3.3 大小写规则
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- 全小写,单词间用下划线分隔
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- Component 名称与类名一致
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---
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## 4. CMakeLists.txt 规范
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### 4.1 单元测试模板
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```cmake
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cmake_minimum_required(VERSION 3.15)
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project(XCEngine_ModuleTests)
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find_package(GTest REQUIRED)
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set(TEST_SOURCES
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test_module.cpp
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# ... 其他测试文件
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)
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add_executable(xcengine_module_tests ${TEST_SOURCES})
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# MSVC 运行时库排除
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if(MSVC)
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set_target_properties(xcengine_module_tests PROPERTIES
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LINK_FLAGS "/NODEFAULTLIB:libcpmt.lib /NODEFAULTLIB:libcmt.lib"
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)
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endif()
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target_link_libraries(xcengine_module_tests PRIVATE
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XCEngine
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GTest::gtest
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GTest::gtest_main
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)
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target_include_directories(xcengine_module_tests PRIVATE
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${CMAKE_SOURCE_DIR}/engine/include
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${CMAKE_SOURCE_DIR}/tests/fixtures
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)
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add_test(NAME ModuleTests COMMAND xcengine_module_tests)
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```
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### 4.2 CTest 注册
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每个模块的 CMakeLists.txt 必须包含:
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```cmake
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add_test(NAME <TestName> COMMAND <executable>)
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```
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### 4.3 测试资源复制
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如需复制测试资源:
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```cmake
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add_custom_command(TARGET <test> POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_directory
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${CMAKE_CURRENT_SOURCE_DIR}/Res
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$<TARGET_FILE_DIR:<test>>/Res
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)
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```
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---
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## 5. 测试执行
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### 5.1 统一测试脚本
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**位置**: `scripts/run_tests.py`
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**功能**:
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- 跨平台支持 (Windows/Linux)
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- 自动检测测试目录
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- 单元测试 + 集成测试
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- 测试结果汇总
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### 5.2 使用方式
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| 命令 | 说明 |
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|------|------|
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| `python scripts/run_tests.py` | 运行所有测试 |
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| `python scripts/run_tests.py --unit-only` | 仅单元测试 |
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| `python scripts/run_tests.py --integration` | 含集成测试 |
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| `python scripts/run_tests.py --ci` | CI 模式 (跳过 GUI 测试) |
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| `python scripts/run_tests.py --build` | 构建并测试 |
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| `python scripts/run_tests.py --dir <path>` | 指定测试目录 |
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| `python scripts/run_tests.py --verbose` | 详细输出 |
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### 5.3 直接使用 CTest
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```bash
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# 运行特定模块测试
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cd build/tests/<module>
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ctest -C Debug --output-on-failure
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# 列出所有测试
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ctest -N
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# 运行所有测试
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ctest -C Debug --output-on-failure
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```
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---
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## 6. CI 集成
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### 6.1 GitHub Actions 配置
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```yaml
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name: XCEngine Tests
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on: [push, pull_request]
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jobs:
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test:
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runs-on: windows-latest
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steps:
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- uses: actions/checkout@v4
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- name: Configure CMake
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run: cmake -B build -DCMAKE_BUILD_TYPE=Debug
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- name: Build
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run: cmake --build build --config Debug
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- name: Run Tests
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run: python scripts/run_tests.py --ci
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```
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### 6.2 CI 模式说明
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`--ci` 模式会:
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- 运行所有单元测试
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- 跳过需要 GUI 窗口的集成测试
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- 输出机器可读的测试结果
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### 6.3 本地验证
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```bash
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# 完整构建和测试
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python scripts/run_tests.py --build
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# 仅验证单元测试
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python scripts/run_tests.py --unit-only
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```
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---
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## 7. 测试实现规范
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### 7.1 单元测试结构
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```cpp
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#include <gtest/gtest.h>
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#include <XCEngine/Module/Component.h>
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using namespace XCEngine::Module;
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class ComponentTest : public ::testing::Test {
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protected:
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void SetUp() override {
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// 初始化测试环境
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}
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void TearDown() override {
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// 清理资源
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}
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};
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TEST_F(ComponentTest, Create_ReturnsValidPointer) {
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auto component = Component::Create();
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ASSERT_NE(component, nullptr);
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}
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TEST_F(ComponentTest, GetProperty_ReturnsExpectedValue) {
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Component component;
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EXPECT_EQ(component.GetProperty(), expected_value);
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}
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```
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### 7.2 Fixture 使用原则
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- 每个测试类使用独立的 Fixture
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- SetUp/TearDown 用于资源初始化/清理
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- 避免测试间共享状态
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### 7.3 断言选择
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| 断言 | 用途 |
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|------|------|
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| `ASSERT_*` | 致命错误,立即终止测试 |
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| `EXPECT_*` | 非致命错误,继续执行 |
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---
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## 8. 文件结构
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```
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tests/
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├── CMakeLists.txt
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├── TEST_SPEC.md # 本规范
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├── run_tests.bat # Windows 测试脚本
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├── fixtures/ # 共享夹具头文件
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├── scripts/
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│ └── run_tests.py # 统一测试运行脚本
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├── math/
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│ ├── CMakeLists.txt
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│ └── test_*.cpp
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├── core/
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├── containers/
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├── memory/
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├── threading/
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├── debug/
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├── Resources/
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└── RHI/
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├── D3D12/
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│ ├── unit/
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│ ├── integration/
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│ ├── TEST_SPEC.md # D3D12 专项规范
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│ └── TEST_IMPROVEMENT_PLAN.md
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└── OpenGL/
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```
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---
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## 9. 规范更新记录
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| 版本 | 日期 | 变更 |
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|------|------|------|
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| 1.0 | 2026-03-20 | 初始版本,统一测试规范体系 |
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---
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**规范版本**: 1.0
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**最后更新**: 2026-03-20
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