integration tests

core/health/ports/HealthCheckQuery.ts

@@ -0,0 +1,54 @@
+/**
+ * Health Check Query Port
+ * 
+ * Defines the interface for querying health status.
+ * This port is implemented by adapters that can perform health checks.
+ */
+
+export interface HealthCheckQuery {
+  /**
+   * Perform a health check
+   */
+  performHealthCheck(): Promise<HealthCheckResult>;
+  
+  /**
+   * Get current connection status
+   */
+  getStatus(): ConnectionStatus;
+  
+  /**
+   * Get detailed health information
+   */
+  getHealth(): ConnectionHealth;
+  
+  /**
+   * Get reliability percentage
+   */
+  getReliability(): number;
+  
+  /**
+   * Check if API is currently available
+   */
+  isAvailable(): boolean;
+}
+
+export type ConnectionStatus = 'connected' | 'disconnected' | 'degraded' | 'checking';
+
+export interface ConnectionHealth {
+  status: ConnectionStatus;
+  lastCheck: Date | null;
+  lastSuccess: Date | null;
+  lastFailure: Date | null;
+  consecutiveFailures: number;
+  totalRequests: number;
+  successfulRequests: number;
+  failedRequests: number;
+  averageResponseTime: number;
+}
+
+export interface HealthCheckResult {
+  healthy: boolean;
+  responseTime: number;
+  error?: string;
+  timestamp: Date;
+}