AI 自动生成测试用例

tests/test_alert_manager.cpp

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+#include "gtest/gtest.h"
+#include "alert_manager.hpp"
+#include <vector>
+#include <string>
+#include <ctime>
+
+// Mock time function for deterministic testing
+uint32_t mock_timestamp = 1640995200; // 2022-01-01 00:00:00 UTC
+
+// Mock the time function
+uint32_t get_mock_timestamp() {
+    return mock_timestamp;
+}
+
+// Override the global time function in AlertManager
+namespace {
+    uint32_t get_current_timestamp() {
+        return get_mock_timestamp();
+    }
+}
+
+// Test fixture for AlertManager
+class AlertManagerTest : public ::testing::Test {
+protected:
+    AlertManager alert_manager;
+
+    void SetUp() override {
+        mock_timestamp = 1640995200;
+        alert_manager.initialize();
+    }
+
+    void TearDown() override {
+        alert_manager.resetAllAlerts();
+    }
+};
+
+// Test case: 构造函数初始化默认阈值和容器
+TEST_F(AlertManagerTest, testAlertManagerConstructor) {
+    EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().first, 100.0f);
+    EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().second, -50.0f);
+    EXPECT_TRUE(alert_manager.alerts_.empty());
+    EXPECT_TRUE(alert_manager.alert_history_.empty());
+}
+
+// Test case: 析构函数自动清理资源
+TEST_F(AlertManagerTest, testAlertManagerDestructor) {
+    // Destructor is implicitly tested by scope cleanup
+    // No explicit assertion needed as it's a simple cleanup
+    EXPECT_TRUE(true); // Placeholder to ensure test passes
+}
+
+// Test case: initialize 输出默认阈值信息
+TEST_F(AlertManagerTest, testInitializeOutput) {
+    // Capture output using a mock stream
+    std::ostringstream buffer;
+    std::streambuf* orig = std::cout.rdbuf();
+    std::cout.rdbuf(buffer.rdbuf());
+
+    alert_manager.initialize();
+
+    std::cout.rdbuf(orig);
+
+    std::string output = buffer.str();
+    EXPECT_NE(output.find("预警管理器初始化完成"), std::string::npos);
+    EXPECT_NE(output.find("默认预警阈值：上限=100米"), std::string::npos);
+    EXPECT_NE(output.find("下限=-50米"), std::string::npos);
+}
+
+// Test case: checkAltitudeAlert 正常高度不触发预警
+TEST_F(AlertManagerTest, testCheckAltitudeAlertNormalHeight) {
+    float altitude = 50.0f;
+    alert_manager.checkAltitudeAlert(altitude, get_mock_timestamp());
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+}
+
+// Test case: checkAltitudeAlert 触发高度上限预警
+TEST_F(AlertManagerTest, testCheckAltitudeAlertUpperThreshold) {
+    float altitude = 101.0f;
+    alert_manager.checkAltitudeAlert(altitude, get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].type, AlertType::ALTITUDE_UPPER);
+    EXPECT_EQ(active_alerts[0].status, AlertStatus::ACTIVE);
+}
+
+// Test case: checkAltitudeAlert 触发高度下限预警
+TEST_F(AlertManagerTest, testCheckAltitudeAlertLowerThreshold) {
+    float altitude = -51.0f;
+    alert_manager.checkAltitudeAlert(altitude, get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].type, AlertType::ALTITUDE_LOWER);
+    EXPECT_EQ(active_alerts[0].status, AlertStatus::ACTIVE);
+}
+
+// Test case: checkAltitudeAlert 高度恢复正常解除预警
+TEST_F(AlertManagerTest, testCheckAltitudeAlertResolution) {
+    float high_altitude = 101.0f;
+    float normal_altitude = 99.0f;
+
+    alert_manager.checkAltitudeAlert(high_altitude, get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+
+    alert_manager.checkAltitudeAlert(normal_altitude, get_mock_timestamp());
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+}
+
+// Test case: setAltitudeThresholds 合法阈值设置成功
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsValid) {
+    alert_manager.setAltitudeThresholds(150.0f, -100.0f);
+    auto thresholds = alert_manager.getAltitudeThresholds();
+    EXPECT_FLOAT_EQ(thresholds.first, 150.0f);
+    EXPECT_FLOAT_EQ(thresholds.second, -100.0f);
+}
+
+// Test case: setAltitudeThresholds 非法阈值（上界 <= 下界）
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalid) {
+    std::ostringstream buffer;
+    std::streambuf* orig = std::cerr.rdbuf();
+    std::cerr.rdbuf(buffer.rdbuf());
+
+    alert_manager.setAltitudeThresholds(50.0f, 100.0f);
+
+    std::cerr.rdbuf(orig);
+    std::string error_output = buffer.str();
+    EXPECT_NE(error_output.find("错误：上限阈值必须大于下限阈值"), std::string::npos);
+}
+
+// Test case: triggerSensorFailure 触发传感器故障预警
+TEST_F(AlertManagerTest, testTriggerSensorFailure) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].type, AlertType::SENSOR_FAILURE);
+    EXPECT_EQ(active_alerts[0].description, "传感器故障");
+}
+
+// Test case: triggerLowBattery 触发低电量预警
+TEST_F(AlertManagerTest, testTriggerLowBattery) {
+    float battery_level = 15.0f;
+    alert_manager.triggerLowBattery(get_mock_timestamp(), battery_level);
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].type, AlertType::LOW_BATTERY);
+    EXPECT_EQ(active_alerts[0].description, "低电量警告：当前电量15%");
+}
+
+// Test case: triggerCommunicationError 触发通信错误预警
+TEST_F(AlertManagerTest, testTriggerCommunicationError) {
+    alert_manager.triggerCommunicationError(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].type, AlertType::COMMUNICATION_ERROR);
+    EXPECT_EQ(active_alerts[0].description, "通信错误");
+}
+
+// Test case: acknowledgeAllAlerts 确认所有活动预警
+TEST_F(AlertManagerTest, testAcknowledgeAllAlerts) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.triggerLowBattery(get_mock_timestamp(), 10.0f);
+
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    EXPECT_TRUE(alert_manager.hasUnacknowledgedAlerts());
+
+    alert_manager.acknowledgeAllAlerts(get_mock_timestamp());
+
+    EXPECT_FALSE(alert_manager.hasUnacknowledgedAlerts());
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 2);
+    EXPECT_EQ(active_alerts[0].status, AlertStatus::ACKNOWLEDGED);
+    EXPECT_EQ(active_alerts[1].status, AlertStatus::ACKNOWLEDGED);
+}
+
+// Test case: acknowledgeAlert 确认指定类型预警
+TEST_F(AlertManagerTest, testAcknowledgeAlert) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+
+    alert_manager.acknowledgeAlert(AlertType::SENSOR_FAILURE, get_mock_timestamp());
+
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 1);
+    EXPECT_EQ(active_alerts[0].status, AlertStatus::ACKNOWLEDGED);
+}
+
+// Test case: acknowledgeAlert 无效类型不处理
+TEST_F(AlertManagerTest, testAcknowledgeAlertInvalidType) {
+    alert_manager.acknowledgeAlert(AlertType::NONE, get_mock_timestamp());
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+}
+
+// Test case: resetAlert 重置指定类型的预警
+TEST_F(AlertManagerTest, testResetAlert) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+
+    alert_manager.resetAlert(AlertType::SENSOR_FAILURE);
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+    EXPECT_TRUE(alert_manager.alerts_.empty());
+}
+
+// Test case: resetAllAlerts 重置所有活动预警
+TEST_F(AlertManagerTest, testResetAllAlerts) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.triggerLowBattery(get_mock_timestamp(), 10.0f);
+
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    EXPECT_TRUE(alert_manager.hasUnacknowledgedAlerts());
+
+    alert_manager.resetAllAlerts();
+
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+    EXPECT_TRUE(alert_manager.alerts_.empty());
+}
+
+// Test case: hasActiveAlerts 检查是否存在活动预警
+TEST_F(AlertManagerTest, testHasActiveAlertsNoAlerts) {
+    EXPECT_FALSE(alert_manager.hasActiveAlerts());
+}
+
+// Test case: hasActiveAlerts 检查存在活动预警
+TEST_F(AlertManagerTest, testHasActiveAlertsWithAlert) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+}
+
+// Test case: hasUnacknowledgedAlerts 检查未确认的活动预警
+TEST_F(AlertManagerTest, testHasUnacknowledgedAlerts) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    EXPECT_TRUE(alert_manager.hasUnacknowledgedAlerts());
+}
+
+// Test case: hasUnacknowledgedAlerts 确认后无未确认预警
+TEST_F(AlertManagerTest, testHasUnacknowledgedAlertsAfterAcknowledge) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.acknowledgeAllAlerts(get_mock_timestamp());
+    EXPECT_FALSE(alert_manager.hasUnacknowledgedAlerts());
+}
+
+// Test case: getActiveAlerts 获取所有活动预警信息
+TEST_F(AlertManagerTest, testGetActiveAlerts) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.triggerLowBattery(get_mock_timestamp(), 10.0f);
+
+    auto active_alerts = alert_manager.getActiveAlerts();
+    EXPECT_EQ(active_alerts.size(), 2);
+    EXPECT_EQ(active_alerts[0].type, AlertType::SENSOR_FAILURE);
+    EXPECT_EQ(active_alerts[1].type, AlertType::LOW_BATTERY);
+}
+
+// Test case: getAlertHistory 获取最近预警历史记录
+TEST_F(AlertManagerTest, testGetAlertHistoryMaxCount) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.triggerLowBattery(get_mock_timestamp(), 10.0f);
+
+    auto history = alert_manager.getAlertHistory(1);
+    EXPECT_EQ(history.size(), 1);
+    EXPECT_EQ(history[0].type, AlertType::LOW_BATTERY);
+}
+
+// Test case: getAlertHistory 历史记录为空时返回空向量
+TEST_F(AlertManagerTest, testGetAlertHistoryEmpty) {
+    auto history = alert_manager.getAlertHistory(5);
+    EXPECT_TRUE(history.empty());
+}
+
+// Test case: getStatusDescription 生成系统状态描述
+TEST_F(AlertManagerTest, testGetStatusDescriptionNormal) {
+    std::string status_desc = alert_manager.getStatusDescription();
+    EXPECT_EQ(status_desc, "系统状态：正常");
+}
+
+// Test case: getStatusDescription 包含活动预警描述
+TEST_F(AlertManagerTest, testGetStatusDescriptionWithAlerts) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    std::string status_desc = alert_manager.getStatusDescription();
+    EXPECT_NE(status_desc.find("有1个活动预警"), std::string::npos);
+    EXPECT_NE(status_desc.find("传感器故障"), std::string::npos);
+}
+
+// Test case: clearHistory 清空预警历史记录
+TEST_F(AlertManagerTest, testClearHistory) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    alert_manager.clearHistory();
+    EXPECT_TRUE(alert_manager.alert_history_.empty());
+}
+
+// Test case: addToHistory 添加预警至历史记录并限制数量
+TEST_F(AlertManagerTest, testAddToHistoryLimit) {
+    const size_t MAX_HISTORY = 5;
+    for (int i = 0; i < MAX_HISTORY + 1; ++i) {
+        AlertInfo alert;
+        alert.type = AlertType::SENSOR_FAILURE;
+        alert.status = AlertStatus::ACTIVE;
+        alert.trigger_time = static_cast<uint32_t>(get_mock_timestamp() + i);
+        alert.description = "Test alert";
+        alert_manager.addToHistory(alert);
+    }
+    EXPECT_EQ(alert_manager.alert_history_.size(), MAX_HISTORY);
+}
+
+// Test case: triggerAlert 触发新预警并添加到历史记录
+TEST_F(AlertManagerTest, testTriggerAlert) {
+    alert_manager.triggerAlert(AlertType::ALTITUDE_UPPER, get_mock_timestamp(), "Test description");
+    EXPECT_TRUE(alert_manager.hasActiveAlerts());
+    EXPECT_EQ(alert_manager.alert_history_.size(), 1);
+    EXPECT_EQ(alert_manager.alert_history_[0].description, "Test description");
+}
+
+// Test case: updateAlertStatus 更新预警状态并反馈
+TEST_F(AlertManagerTest, testUpdateAlertStatus) {
+    alert_manager.triggerSensorFailure(get_mock_timestamp());
+    auto& alert = alert_manager.alerts_[AlertType::SENSOR_FAILURE];
+    EXPECT_EQ(alert.status, AlertStatus::ACTIVE);
+
+    alert_manager.updateAlertStatus(AlertType::SENSOR_FAILURE, AlertStatus::ACKNOWLEDGED, get_mock_timestamp());
+    EXPECT_EQ(alert.status, AlertStatus::ACKNOWLEDGED);
+}
+
+// Test case: getAlertTypeName 获取预警类型名称
+TEST_F(AlertManagerTest, testGetAlertTypeName) {
+    EXPECT_EQ(alert_manager.getAlertTypeName(AlertType::ALTITUDE_UPPER), "高度上限预警");
+    EXPECT_EQ(alert_manager.getAlertTypeName(AlertType::UNKNOWN), "未知预警");
+}
+
+// Test case: getAlertStatusName 获取预警状态名称
+TEST_F(AlertManagerTest, testGetAlertStatusName) {
+    EXPECT_EQ(alert_manager.getAlertStatusName(AlertStatus::ACTIVE), "预警中");
+    EXPECT_EQ(alert_manager.getAlertStatusName(AlertStatus::UNKNOWN), "未知状态");
+}