AI 自动生成测试用例

tests/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10.0)
+project(test_ODF)
+include(FetchContent)
+if (MSVC)
+    add_compile_options(/utf-8)
+endif()
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
+
+include(CTest)
+enable_testing()
+
+add_executable(test_ODF test_list_racks.cpp ../app/main.py)
+
+target_link_libraries(test_ODF gtest gmock gtest_main)
+include(GoogleTest)
+gtest_discover_tests(test_ODF)

tests/test_list_racks.cpp

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+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+#include <vector>
+#include <string>
+#include <stdexcept>
+
+// 假设的数据结构
+struct RackListResponse {
+    std::string rack_id;
+    std::string rack_name;
+    int unit_count;
+};
+
+// 服务接口
+class Service {
+public:
+    virtual ~Service() = default;
+    virtual std::vector<RackListResponse> list_racks() = 0;
+};
+
+// 全局服务指针（模拟原 Python 代码中的 service 模块）
+Service* g_service = nullptr;
+
+// 被测函数：对应原 Python 中的 list_racks()
+std::vector<RackListResponse> list_racks() {
+    return g_service->list_racks();
+}
+
+// Mock 服务类
+class MockService : public Service {
+public:
+    MOCK_METHOD(std::vector<RackListResponse>, list_racks, (), (override));
+};
+
+// 测试夹具
+class ListRacksTest : public ::testing::Test {
+protected:
+    void SetUp() override {
+        mock_service = new MockService();
+        g_service = mock_service;
+    }
+
+    void TearDown() override {
+        delete mock_service;
+        g_service = nullptr;
+    }
+
+    MockService* mock_service;
+};
+
+// 正常输入测试：返回非空机架列表
+TEST_F(ListRacksTest, testListRacksNormal) {
+    std::vector<RackListResponse> expected = {
+        {"rack-1", "机架A", 5},
+        {"rack-2", "机架B", 3}
+    };
+
+    EXPECT_CALL(*mock_service, list_racks())
+        .WillOnce(::testing::Return(expected));
+
+    auto result = list_racks();
+    ASSERT_EQ(result.size(), 2);
+    EXPECT_EQ(result[0].rack_id, "rack-1");
+    EXPECT_EQ(result[0].rack_name, "机架A");
+    EXPECT_EQ(result[0].unit_count, 5);
+    EXPECT_EQ(result[1].rack_id, "rack-2");
+    EXPECT_EQ(result[1].rack_name, "机架B");
+    EXPECT_EQ(result[1].unit_count, 3);
+}
+
+// 边界值测试：返回空列表
+TEST_F(ListRacksTest, testListRacksEmpty) {
+    std::vector<RackListResponse> empty;
+
+    EXPECT_CALL(*mock_service, list_racks())
+        .WillOnce(::testing::Return(empty));
+
+    auto result = list_racks();
+    EXPECT_TRUE(result.empty());
+}
+
+// 异常输入测试：服务抛出异常
+TEST_F(ListRacksTest, testListRacksServiceThrows) {
+    EXPECT_CALL(*mock_service, list_racks())
+        .WillOnce(::testing::Throw(std::runtime_error("database error")));
+
+    EXPECT_THROW(list_racks(), std::runtime_error);
+}