core tests

core/health/use-cases/GetConnectionStatusUseCase.test.ts

@@ -0,0 +1,54 @@
+import { describe, it, expect, vi } from 'vitest';
+import { GetConnectionStatusUseCase, GetConnectionStatusUseCasePorts } from './GetConnectionStatusUseCase';
+import { HealthCheckQuery, ConnectionHealth } from '../ports/HealthCheckQuery';
+
+describe('GetConnectionStatusUseCase', () => {
+  it('should return connection status and metrics from the health check adapter', async () => {
+    // Arrange
+    const mockHealth: ConnectionHealth = {
+      status: 'connected',
+      lastCheck: new Date('2024-01-01T10:00:00Z'),
+      lastSuccess: new Date('2024-01-01T10:00:00Z'),
+      lastFailure: null,
+      consecutiveFailures: 0,
+      totalRequests: 100,
+      successfulRequests: 99,
+      failedRequests: 1,
+      averageResponseTime: 150,
+    };
+    const mockReliability = 0.99;
+
+    const mockHealthCheckAdapter = {
+      getHealth: vi.fn().mockReturnValue(mockHealth),
+      getReliability: vi.fn().mockReturnValue(mockReliability),
+      performHealthCheck: vi.fn(),
+      getStatus: vi.fn(),
+      isAvailable: vi.fn(),
+    } as unknown as HealthCheckQuery;
+
+    const ports: GetConnectionStatusUseCasePorts = {
+      healthCheckAdapter: mockHealthCheckAdapter,
+    };
+
+    const useCase = new GetConnectionStatusUseCase(ports);
+
+    // Act
+    const result = await useCase.execute();
+
+    // Assert
+    expect(mockHealthCheckAdapter.getHealth).toHaveBeenCalled();
+    expect(mockHealthCheckAdapter.getReliability).toHaveBeenCalled();
+    expect(result).toEqual({
+      status: 'connected',
+      reliability: 0.99,
+      totalRequests: 100,
+      successfulRequests: 99,
+      failedRequests: 1,
+      consecutiveFailures: 0,
+      averageResponseTime: 150,
+      lastCheck: mockHealth.lastCheck,
+      lastSuccess: mockHealth.lastSuccess,
+      lastFailure: null,
+    });
+  });
+});