diff --git a/tests/test_alert_manager.cpp b/tests/test_alert_manager.cpp new file mode 100644 index 0000000..c7fa88f --- /dev/null +++ b/tests/test_alert_manager.cpp @@ -0,0 +1,288 @@ +#include "gtest/gtest.h" +#include "alert_manager.hpp" +#include +#include +#include + +// Mock time for deterministic testing +static uint32_t mock_timestamp = 1640995200; // 2022-01-01 00:00:00 UTC + +// Mock function to replace std::time +uint32_t get_mock_time() { + return mock_timestamp; +} + +// Override the global time function in AlertManager +namespace { + uint32_t mock_time() { return 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 advance_time(uint32_t seconds) { + mock_timestamp += seconds; + } +}; + +// Test case: AlertManager constructor initializes thresholds and clears lists +TEST_F(AlertManagerTest, testAlertManagerInitialization) { + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().first, 100.0f); + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().second, -50.0f); + EXPECT_TRUE(alert_manager.getActiveAlerts().empty()); + EXPECT_TRUE(alert_manager.getAlertHistory(10).empty()); +} + +// Test case: Destructor does not require explicit cleanup +TEST_F(AlertManagerTest, testAlertManagerDestructor) { + // No assertion needed as destructor is empty + // This ensures no memory leaks or crashes +} + +// Test case: initialize outputs correct messages +TEST_F(AlertManagerTest, testInitializeOutput) { + // We cannot directly capture stdout in gtest without external tools, + // but we can verify that initialization logic runs without crash. + // The actual output is tested via integration. + EXPECT_NO_FATAL_FAILURE(alert_manager.initialize()); +} + +// Test case: checkAltitudeAlert triggers upper threshold alert +TEST_F(AlertManagerTest, testCheckAltitudeAlertUpperThreshold) { + float altitude = 101.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].type, AlertType::ALTITUDE_UPPER); + EXPECT_EQ(active_alerts[0].status, AlertStatus::ACTIVE); + EXPECT_EQ(active_alerts[0].trigger_time, mock_timestamp); +} + +// Test case: checkAltitudeAlert resolves upper threshold when altitude normalizes +TEST_F(AlertManagerTest, testCheckAltitudeAlertResolveUpper) { + float altitude = 101.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + altitude = 99.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp + 1); + EXPECT_FALSE(alert_manager.hasActiveAlerts()); +} + +// Test case: checkAltitudeAlert triggers lower threshold alert +TEST_F(AlertManagerTest, testCheckAltitudeAlertLowerThreshold) { + float altitude = -51.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].type, AlertType::ALTITUDE_LOWER); + EXPECT_EQ(active_alerts[0].status, AlertStatus::ACTIVE); +} + +// Test case: checkAltitudeAlert resolves lower threshold when altitude normalizes +TEST_F(AlertManagerTest, testCheckAltitudeAlertResolveLower) { + float altitude = -51.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + altitude = -49.0f; + alert_manager.checkAltitudeAlert(altitude, mock_timestamp + 1); + EXPECT_FALSE(alert_manager.hasActiveAlerts()); +} + +// Test case: setAltitudeThresholds validates input +TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalidInput) { + EXPECT_NO_FATAL_FAILURE(alert_manager.setAltitudeThresholds(50.0f, 100.0f)); + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().first, 100.0f); + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().second, -50.0f); +} + +// Test case: setAltitudeThresholds updates valid thresholds +TEST_F(AlertManagerTest, testSetAltitudeThresholdsValidInput) { + alert_manager.setAltitudeThresholds(200.0f, -100.0f); + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().first, 200.0f); + EXPECT_FLOAT_EQ(alert_manager.getAltitudeThresholds().second, -100.0f); +} + +// Test case: triggerSensorFailure creates correct alert +TEST_F(AlertManagerTest, testTriggerSensorFailure) { + alert_manager.triggerSensorFailure(mock_timestamp); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].type, AlertType::SENSOR_FAILURE); + EXPECT_EQ(active_alerts[0].description, "传感器故障"); +} + +// Test case: triggerLowBattery creates correct alert with battery level +TEST_F(AlertManagerTest, testTriggerLowBattery) { + alert_manager.triggerLowBattery(mock_timestamp, 15.5f); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].type, AlertType::LOW_BATTERY); + EXPECT_EQ(active_alerts[0].description, "低电量警告：当前电量15.5%"); +} + +// Test case: triggerCommunicationError creates correct alert +TEST_F(AlertManagerTest, testTriggerCommunicationError) { + alert_manager.triggerCommunicationError(mock_timestamp); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].type, AlertType::COMMUNICATION_ERROR); + EXPECT_EQ(active_alerts[0].description, "通信错误"); +} + +// Test case: acknowledgeAllAlerts marks all active alerts as acknowledged +TEST_F(AlertManagerTest, testAcknowledgeAllAlerts) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.triggerLowBattery(mock_timestamp + 1, 10.0f); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + alert_manager.acknowledgeAllAlerts(mock_timestamp + 2); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_TRUE(active_alerts.empty()); + EXPECT_FALSE(alert_manager.hasUnacknowledgedAlerts()); +} + +// Test case: acknowledgeAlert acknowledges specific alert +TEST_F(AlertManagerTest, testAcknowledgeAlert) { + alert_manager.triggerSensorFailure(mock_timestamp); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + alert_manager.acknowledgeAlert(AlertType::SENSOR_FAILURE, mock_timestamp + 1); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_TRUE(active_alerts.empty()); +} + +// Test case: resetAlert removes specified alert +TEST_F(AlertManagerTest, testResetAlert) { + alert_manager.triggerSensorFailure(mock_timestamp); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + alert_manager.resetAlert(AlertType::SENSOR_FAILURE); + EXPECT_FALSE(alert_manager.hasActiveAlerts()); +} + +// Test case: resetAllAlerts clears all alerts +TEST_F(AlertManagerTest, testResetAllAlerts) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.triggerLowBattery(mock_timestamp + 1, 10.0f); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); + + alert_manager.resetAllAlerts(); + EXPECT_FALSE(alert_manager.hasActiveAlerts()); +} + +// Test case: hasActiveAlerts returns true if any alert is active +TEST_F(AlertManagerTest, testHasActiveAlertsTrue) { + alert_manager.triggerSensorFailure(mock_timestamp); + EXPECT_TRUE(alert_manager.hasActiveAlerts()); +} + +// Test case: hasActiveAlerts returns false if no alert is active +TEST_F(AlertManagerTest, testHasActiveAlertsFalse) { + EXPECT_FALSE(alert_manager.hasActiveAlerts()); +} + +// Test case: hasUnacknowledgedAlerts returns true if any active alert exists +TEST_F(AlertManagerTest, testHasUnacknowledgedAlertsTrue) { + alert_manager.triggerSensorFailure(mock_timestamp); + EXPECT_TRUE(alert_manager.hasUnacknowledgedAlerts()); +} + +// Test case: hasUnacknowledgedAlerts returns false after acknowledgment +TEST_F(AlertManagerTest, testHasUnacknowledgedAlertsFalseAfterAck) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.acknowledgeAllAlerts(mock_timestamp + 1); + EXPECT_FALSE(alert_manager.hasUnacknowledgedAlerts()); +} + +// Test case: getActiveAlerts returns correct list of active alerts +TEST_F(AlertManagerTest, testGetActiveAlerts) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.triggerLowBattery(mock_timestamp + 1, 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 returns recent entries +TEST_F(AlertManagerTest, testGetAlertHistory) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.triggerLowBattery(mock_timestamp + 1, 10.0f); + alert_manager.triggerCommunicationError(mock_timestamp + 2); + + auto history = alert_manager.getAlertHistory(2); + EXPECT_EQ(history.size(), 2); + EXPECT_EQ(history[0].type, AlertType::LOW_BATTERY); + EXPECT_EQ(history[1].type, AlertType::COMMUNICATION_ERROR); +} + +// Test case: getStatusDescription generates correct string for active alerts +TEST_F(AlertManagerTest, testGetStatusDescriptionWithActiveAlerts) { + alert_manager.triggerSensorFailure(mock_timestamp); + std::string status_desc = alert_manager.getStatusDescription(); + EXPECT_NE(status_desc.find("系统状态：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: getStatusDescription returns normal state when no alerts +TEST_F(AlertManagerTest, testGetStatusDescriptionNormalState) { + std::string status_desc = alert_manager.getStatusDescription(); + EXPECT_EQ(status_desc, "系统状态：正常"); +} + +// Test case: clearHistory clears all history +TEST_F(AlertManagerTest, testClearHistory) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.clearHistory(); + EXPECT_TRUE(alert_manager.getAlertHistory(10).empty()); +} + +// Test case: addToHistory limits history size +TEST_F(AlertManagerTest, testAddToHistoryLimit) { + const size_t MAX_HISTORY = 5; + for (int i = 0; i < MAX_HISTORY + 1; ++i) { + alert_manager.triggerSensorFailure(mock_timestamp + i); + } + auto history = alert_manager.getAlertHistory(MAX_HISTORY); + EXPECT_EQ(history.size(), MAX_HISTORY); + EXPECT_EQ(history[0].type, AlertType::SENSOR_FAILURE); +} + +// Test case: triggerAlert creates new alert and adds to history +TEST_F(AlertManagerTest, testTriggerAlert) { + alert_manager.triggerAlert(AlertType::ALTITUDE_UPPER, mock_timestamp, "Test alert"); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_FALSE(active_alerts.empty()); + EXPECT_EQ(active_alerts[0].description, "Test alert"); +} + +// Test case: updateAlertStatus changes status correctly +TEST_F(AlertManagerTest, testUpdateAlertStatus) { + alert_manager.triggerSensorFailure(mock_timestamp); + alert_manager.updateAlertStatus(AlertType::SENSOR_FAILURE, AlertStatus::ACKNOWLEDGED, mock_timestamp + 1); + auto active_alerts = alert_manager.getActiveAlerts(); + EXPECT_TRUE(active_alerts.empty()); +} + +// Test case: getAlertTypeName returns correct string +TEST_F(AlertManagerTest, testGetAlertTypeName) { + EXPECT_EQ(alert_manager.getAlertTypeName(AlertType::ALTITUDE_UPPER), "高度上限预警"); + EXPECT_EQ(alert_manager.getAlertTypeName(AlertType::NONE), "无"); + EXPECT_EQ(alert_manager.getAlertTypeName(static_cast(99)), "未知预警"); +} + +// Test case: getAlertStatusName returns correct string +TEST_F(AlertManagerTest, testGetAlertStatusName) { + EXPECT_EQ(alert_manager.getAlertStatusName(AlertStatus::ACTIVE), "预警中"); + EXPECT_EQ(alert_manager.getAlertStatusName(AlertStatus::RESOLVED), "已解决"); + EXPECT_EQ(alert_manager.getAlertStatusName(static_cast(99)), "未知状态"); +}