defi-arbitrage/__tests__/integration/deal-execution.integration.test.ts

// Integration Tests - Deal Execution
// Tests the full deal execution flow with mocked dependencies

import { describe, it, expect, beforeEach, afterEach } from '@jest/globals';
import { dealOrchestratorService } from '../../deal-orchestrator.service';
import { DealExecutionRequest } from '../../types';

describe('Deal Execution Integration Tests', () => {
  beforeEach(() => {
    // Setup test environment
    process.env.NODE_ENV = 'test';
  });

  afterEach(() => {
    // Cleanup
  });

  describe('Full Deal Execution Flow', () => {
    it('should execute complete arbitrage loop successfully', async () => {
      const request: DealExecutionRequest = {
        totalEthValue: '10000000', // $10M
        participantBankId: 'BANK001',
        moduleId: 'MODULE001',
        maxLtv: 0.30,
        usdtzDiscountRate: 0.40,
      };

      const result = await dealOrchestratorService.executeDeal(request);

      expect(result).toBeDefined();
      expect(result.dealId).toBeDefined();
      expect(result.status).toBeDefined();
      expect(result.step0).toBeDefined();
      expect(result.step1).toBeDefined();
      expect(result.step2).toBeDefined();
      expect(result.step3).toBeDefined();
    }, 30000);

    it('should handle deal failure gracefully', async () => {
      const request: DealExecutionRequest = {
        totalEthValue: '0', // Invalid - should fail
        participantBankId: 'BANK001',
        moduleId: 'MODULE001',
      };

      const result = await dealOrchestratorService.executeDeal(request);

      expect(result.status).toBe('failed');
      expect(result.state.step).toBe('failed');
      expect(result.state.errors.length).toBeGreaterThan(0);
    });

    it.skip('should persist deal state to database', async () => {
      // Ticket: DBIS-ARB-TEST — requires test DB setup
    });

    it.skip('should record metrics during execution', async () => {
      // Ticket: DBIS-ARB-TEST — verify metrics when metrics service is integrated
    });
  });

  describe('Risk Monitoring Integration', () => {
    it.skip('should monitor LTV during deal execution', async () => {
      // Ticket: DBIS-ARB-TEST — real-time risk monitoring integration
    });

    it.skip('should alert on risk violations', async () => {
      // Ticket: DBIS-ARB-TEST — alerting on risk violations
    });
  });

  describe('Caching Integration', () => {
    it.skip('should cache price data', async () => {
      // Ticket: DBIS-ARB-TEST — Redis caching when REDIS_URL configured
    });

    it.skip('should invalidate cache on deal completion', async () => {
      // Ticket: DBIS-ARB-TEST — cache invalidation with Redis
    });
  });
});