AI 自动生成测试用例
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#include <vector>
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#include <string>
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// Mock for time to ensure deterministic tests
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static uint32_t mock_timestamp = 1640995200; // 2022-01-01 00:00:00 UTC
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// Mock time function for deterministic testing
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uint32_t mock_timestamp = 1640995200; // Fixed timestamp for testing
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class MockTime {
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public:
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static uint32_t getTimestamp() { return mock_timestamp; }
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static void setTimestamp(uint32_t t) { mock_timestamp = t; }
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};
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// Helper function to compare AlertInfo
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bool operator==(const AlertInfo& a, const AlertInfo& b) {
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return a.type == b.type &&
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a.status == b.status &&
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a.trigger_time == b.trigger_time &&
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a.acknowledge_time == b.acknowledge_time &&
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a.resolve_time == b.resolve_time &&
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a.description == b.description;
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// Override the time function to return a fixed value
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uint32_t get_mock_time() {
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return mock_timestamp;
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}
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// Test fixture
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// Replace the real time function with mock
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extern "C" uint32_t std_time(nullptr) {
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return get_mock_time();
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}
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// Test fixture for AlertManager
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class AlertManagerTest : public ::testing::Test {
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protected:
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AlertManager manager;
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AlertManager alert_manager;
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void SetUp() override {
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mock_timestamp = 1640995200;
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manager.initialize();
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alert_manager.initialize();
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}
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void TearDown() override {
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manager.clearHistory();
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alert_manager.resetAllAlerts();
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}
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};
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TEST_F(AlertManagerTest, testAlertManagerDefaultInitialization) {
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EXPECT_FLOAT_EQ(manager.getAltitudeThresholds().first, 100.0f);
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EXPECT_FLOAT_EQ(manager.getAltitudeThresholds().second, -50.0f);
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EXPECT_TRUE(manager.getActiveAlerts().empty());
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EXPECT_TRUE(manager.getAlertHistory(10).empty());
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// Test case: 正常输入测试 - 设置合法阈值
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsNormalInput) {
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const float upper = 200.0f;
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const float lower = 50.0f;
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alert_manager.setAltitudeThresholds(upper, lower);
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EXPECT_FLOAT_EQ(alert_manager.getUpperThreshold(), upper);
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EXPECT_FLOAT_EQ(alert_manager.getLowerThreshold(), lower);
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// Verify that active alerts are reset
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auto active_alerts = alert_manager.getActiveAlerts();
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EXPECT_TRUE(active_alerts.empty());
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}
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TEST_F(AlertManagerTest, testInitialize) {
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// No direct output assertion, but verify initialization logic
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// This is tested implicitly via constructor
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EXPECT_NO_FATAL_FAILURE(manager.initialize());
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// Test case: 边界值测试 - 上限等于下限（非法输入）
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsBoundaryEqual) {
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const float upper = 100.0f;
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const float lower = 100.0f;
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// Capture stderr output
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testing::internal::CaptureStderr();
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alert_manager.setAltitudeThresholds(upper, lower);
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std::string stderr_output = testing::internal::GetCapturedStderr();
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EXPECT_NE(stderr_output.find("错误：上限阈值必须大于下限阈值。"), std::string::npos);
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EXPECT_FLOAT_EQ(alert_manager.getUpperThreshold(), 100.0f); // Should remain unchanged
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EXPECT_FLOAT_EQ(alert_manager.getLowerThreshold(), -50.0f); // Default value
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}
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TEST_F(AlertManagerTest, testCheckAltitudeAlertNormal) {
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mock_timestamp = 1640995200;
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manager.checkAltitudeAlert(105.0f, mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::ALTITUDE_UPPER);
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EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
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EXPECT_EQ(alerts[0].trigger_time, mock_timestamp);
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// Test case: 异常输入测试 - 上限小于下限
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalidInput) {
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const float upper = 50.0f;
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const float lower = 100.0f;
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// Capture stderr output
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testing::internal::CaptureStderr();
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alert_manager.setAltitudeThresholds(upper, lower);
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std::string stderr_output = testing::internal::GetCapturedStderr();
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EXPECT_NE(stderr_output.find("错误：上限阈值必须大于下限阈值。"), std::string::npos);
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EXPECT_FLOAT_EQ(alert_manager.getUpperThreshold(), 100.0f); // Should remain unchanged
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EXPECT_FLOAT_EQ(alert_manager.getLowerThreshold(), -50.0f); // Default value
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}
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TEST_F(AlertManagerTest, testCheckAltitudeAlertBelowLower) {
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mock_timestamp = 1640995200;
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manager.checkAltitudeAlert(-55.0f, mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::ALTITUDE_LOWER);
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EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
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// Test case: 特殊场景测试 - 阈值更新后重置预警状态
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsResetAlerts) {
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// Trigger an altitude upper alert
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alert_manager.checkAltitudeAlert(150.0f, mock_timestamp);
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auto active_alerts = alert_manager.getActiveAlerts();
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EXPECT_EQ(active_alerts.size(), 1);
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EXPECT_EQ(active_alerts[0].type, AlertType::ALTITUDE_UPPER);
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// Update thresholds
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alert_manager.setAltitudeThresholds(180.0f, 50.0f);
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// Check if alert was reset
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active_alerts = alert_manager.getActiveAlerts();
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EXPECT_TRUE(active_alerts.empty());
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}
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TEST_F(AlertManagerTest, testCheckAltitudeAlertResetWhenNormal) {
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mock_timestamp = 1640995200;
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manager.checkAltitudeAlert(105.0f, mock_timestamp); // Trigger upper
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mock_timestamp = 1640995201;
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manager.checkAltitudeAlert(90.0f, mock_timestamp); // Reset
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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// Test case: 正常输入测试 - 获取活动预警信息
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TEST_F(AlertManagerTest, testGetActiveAlertsNormal) {
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// Add a simulated active alert
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AlertInfo alert;
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alert.type = AlertType::ALTITUDE_UPPER;
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alert.status = AlertStatus::ACTIVE;
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alert.trigger_time = mock_timestamp;
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alert.description = "High altitude";
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alert_manager.alerts_[AlertType::ALTITUDE_UPPER] = alert;
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auto result = alert_manager.getActiveAlerts();
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EXPECT_EQ(result.size(), 1);
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EXPECT_EQ(result[0].type, AlertType::ALTITUDE_UPPER);
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EXPECT_EQ(result[0].status, AlertStatus::ACTIVE);
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EXPECT_EQ(result[0].trigger_time, mock_timestamp);
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EXPECT_EQ(result[0].description, "High altitude");
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}
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsValid) {
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manager.setAltitudeThresholds(200.0f, -100.0f);
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auto thresholds = manager.getAltitudeThresholds();
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EXPECT_FLOAT_EQ(thresholds.first, 200.0f);
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EXPECT_FLOAT_EQ(thresholds.second, -100.0f);
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// Test case: 边界值测试 - 无活动预警时获取结果为空
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TEST_F(AlertManagerTest, testGetActiveAlertsEmpty) {
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auto result = alert_manager.getActiveAlerts();
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EXPECT_TRUE(result.empty());
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}
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TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalid) {
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EXPECT_NO_FATAL_FAILURE(manager.setAltitudeThresholds(50.0f, 100.0f));
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// Should print error, but no crash
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EXPECT_FLOAT_EQ(manager.getAltitudeThresholds().first, 100.0f);
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EXPECT_FLOAT_EQ(manager.getAltitudeThresholds().second, -50.0f);
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}
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// Test case: 特殊场景测试 - 多个活动预警同时存在
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TEST_F(AlertManagerTest, testGetActiveAlertsMultipleAlerts) {
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// Simulate two active alerts
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AlertInfo upper_alert, lower_alert;
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upper_alert.type = AlertType::ALTITUDE_UPPER;
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upper_alert.status = AlertStatus::ACTIVE;
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upper_alert.trigger_time = mock_timestamp;
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upper_alert.description = "Above upper limit";
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TEST_F(AlertManagerTest, testTriggerSensorFailure) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::SENSOR_FAILURE);
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EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
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EXPECT_EQ(alerts[0].trigger_time, mock_timestamp);
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}
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lower_alert.type = AlertType::ALTITUDE_LOWER;
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lower_alert.status = AlertStatus::ACTIVE;
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lower_alert.trigger_time = mock_timestamp + 1;
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lower_alert.description = "Below lower limit";
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TEST_F(AlertManagerTest, testTriggerLowBattery) {
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mock_timestamp = 1640995200;
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manager.triggerLowBattery(mock_timestamp, 15.0f);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::LOW_BATTERY);
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EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
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EXPECT_NE(alerts[0].description.find("15.0%"), std::string::npos);
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}
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alert_manager.alerts_[AlertType::ALTITUDE_UPPER] = upper_alert;
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alert_manager.alerts_[AlertType::ALTITUDE_LOWER] = lower_alert;
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TEST_F(AlertManagerTest, testTriggerCommunicationError) {
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mock_timestamp = 1640995200;
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manager.triggerCommunicationError(mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::COMMUNICATION_ERROR);
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EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
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}
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auto result = alert_manager.getActiveAlerts();
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TEST_F(AlertManagerTest, testAcknowledgeAllAlerts) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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manager.triggerLowBattery(mock_timestamp + 1, 10.0f);
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mock_timestamp = 1640995202;
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manager.acknowledgeAllAlerts(mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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EXPECT_EQ(alerts.size(), 0);
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}
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TEST_F(AlertManagerTest, testAcknowledgeAlert) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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mock_timestamp = 1640995201;
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manager.acknowledgeAlert(AlertType::SENSOR_FAILURE, mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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}
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TEST_F(AlertManagerTest, testResetAlert) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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manager.resetAlert(AlertType::SENSOR_FAILURE);
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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}
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TEST_F(AlertManagerTest, testResetAllAlerts) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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manager.triggerLowBattery(mock_timestamp + 1, 10.0f);
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manager.resetAllAlerts();
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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}
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TEST_F(AlertManagerTest, testHasActiveAlerts) {
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EXPECT_FALSE(manager.hasActiveAlerts());
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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EXPECT_TRUE(manager.hasActiveAlerts());
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}
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TEST_F(AlertManagerTest, testHasUnacknowledgedAlerts) {
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EXPECT_FALSE(manager.hasUnacknowledgedAlerts());
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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EXPECT_TRUE(manager.hasUnacknowledgedAlerts());
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manager.acknowledgeAllAlerts(mock_timestamp + 1);
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EXPECT_FALSE(manager.hasUnacknowledgedAlerts());
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}
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TEST_F(AlertManagerTest, testGetActiveAlerts) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].type, AlertType::SENSOR_FAILURE);
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}
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TEST_F(AlertManagerTest, testGetAlertHistoryMaxCount) {
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mock_timestamp = 1640995200;
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for (int i = 0; i < 15; ++i) {
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manager.triggerSensorFailure(mock_timestamp + i);
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}
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auto history = manager.getAlertHistory(10);
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EXPECT_EQ(history.size(), 10);
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}
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TEST_F(AlertManagerTest, testGetStatusDescriptionNoAlerts) {
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std::string desc = manager.getStatusDescription();
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EXPECT_EQ(desc, "系统状态：正常");
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}
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TEST_F(AlertManagerTest, testGetStatusDescriptionWithAlerts) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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std::string desc = manager.getStatusDescription();
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EXPECT_NE(desc.find("有1个活动预警"), std::string::npos);
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EXPECT_NE(desc.find("传感器故障"), std::string::npos);
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}
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TEST_F(AlertManagerTest, testClearHistory) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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manager.clearHistory();
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EXPECT_TRUE(manager.getAlertHistory(10).empty());
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}
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TEST_F(AlertManagerTest, testAddToHistoryLimit) {
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mock_timestamp = 1640995200;
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for (int i = 0; i < 100; ++i) {
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manager.triggerSensorFailure(mock_timestamp + i);
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}
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auto history = manager.getAlertHistory(10);
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EXPECT_EQ(history.size(), 10);
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}
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TEST_F(AlertManagerTest, testTriggerAlert) {
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mock_timestamp = 1640995200;
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manager.triggerAlert(AlertType::SENSOR_FAILURE, mock_timestamp, "Test alert");
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auto alerts = manager.getActiveAlerts();
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EXPECT_EQ(alerts.size(), 1);
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EXPECT_EQ(alerts[0].description, "Test alert");
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}
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TEST_F(AlertManagerTest, testUpdateAlertStatusAcknowledged) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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mock_timestamp = 1640995201;
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manager.updateAlertStatus(AlertType::SENSOR_FAILURE, AlertStatus::ACKNOWLEDGED, mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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}
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TEST_F(AlertManagerTest, testUpdateAlertStatusResolved) {
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mock_timestamp = 1640995200;
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manager.triggerSensorFailure(mock_timestamp);
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mock_timestamp = 1640995201;
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manager.updateAlertStatus(AlertType::SENSOR_FAILURE, AlertStatus::RESOLVED, mock_timestamp);
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auto alerts = manager.getActiveAlerts();
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EXPECT_TRUE(alerts.empty());
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}
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TEST_F(AlertManagerTest, testGetAlertTypeName) {
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EXPECT_EQ(manager.getAlertTypeName(AlertType::ALTITUDE_UPPER), "高度上限预警");
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EXPECT_EQ(manager.getAlertTypeName(AlertType::NONE), "无");
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EXPECT_EQ(manager.getAlertTypeName(static_cast<AlertType>(99)), "未知预警");
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}
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TEST_F(AlertManagerTest, testGetAlertStatusName) {
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EXPECT_EQ(manager.getAlertStatusName(AlertStatus::ACTIVE), "预警中");
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EXPECT_EQ(manager.getAlertStatusName(AlertStatus::INACTIVE), "未激活");
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EXPECT_EQ(manager.getAlertStatusName(static_cast<AlertStatus>(99)), "未知状态");
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}
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TEST_F(AlertManagerTest, testDestructorDoesNotCrash) {
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// Verify destructor doesn't throw or crash
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EXPECT_NO_FATAL_FAILURE({
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AlertManager* mgr = new AlertManager();
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delete mgr;
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});
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EXPECT_EQ(result.size(), 2);
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EXPECT_EQ(result[0].type, AlertType::ALTITUDE_UPPER);
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EXPECT_EQ(result[1].type, AlertType::ALTITUDE_LOWER);
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}
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