pacifica/tests/contract/test-hedging-api.ts

/**
 * Contract tests for hedging API endpoints
 * These tests MUST fail before implementation - TDD approach
 */

import request from 'supertest';
import { Express } from 'express';

// Mock Express app - this will fail until implementation
let app: Express;

describe('Hedging API Contract Tests', () => {
  beforeAll(() => {
    // This will fail until we implement the API
    // app = require('../../src/app').default;
  });

  describe('POST /api/v1/hedging/orders', () => {
    it('should create hedging order pair', async () => {
      const orderData = {
        sessionId: 'test-session-id',
        symbol: 'BTC/USD',
        volume: 0.1,
        price: 50000,
        buyAccountId: 'account-1',
        sellAccountId: 'account-2'
      };

      // This test will fail until implementation
      const response = await request(app)
        .post('/api/v1/hedging/orders')
        .send(orderData)
        .expect(201);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('id');
      expect(response.body.data).toHaveProperty('buyOrder');
      expect(response.body.data).toHaveProperty('sellOrder');
      expect(response.body.data).toHaveProperty('status', 'pending');
      expect(response.body.data).toHaveProperty('volume', orderData.volume);
      expect(response.body.data).toHaveProperty('price', orderData.price);
    });

    it('should validate required fields', async () => {
      const invalidData = {
        sessionId: 'test-session-id',
        // Missing required fields
      };

      // This test will fail until implementation
      const response = await request(app)
        .post('/api/v1/hedging/orders')
        .send(invalidData)
        .expect(400);

      expect(response.body).toHaveProperty('success', false);
      expect(response.body).toHaveProperty('error');
    });

    it('should validate different account IDs', async () => {
      const orderData = {
        sessionId: 'test-session-id',
        symbol: 'BTC/USD',
        volume: 0.1,
        price: 50000,
        buyAccountId: 'account-1',
        sellAccountId: 'account-1' // Same account - should fail
      };

      // This test will fail until implementation
      const response = await request(app)
        .post('/api/v1/hedging/orders')
        .send(orderData)
        .expect(400);

      expect(response.body).toHaveProperty('success', false);
      expect(response.body.error).toContain('different accounts');
    });
  });

  describe('GET /api/v1/hedging/orders', () => {
    it('should return list of hedging orders', async () => {
      // This test will fail until implementation
      const response = await request(app)
        .get('/api/v1/hedging/orders')
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('orders');
      expect(Array.isArray(response.body.data.orders)).toBe(true);
    });

    it('should filter by session ID', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .get(`/api/v1/hedging/orders?sessionId=${sessionId}`)
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data.orders).toEqual(
        expect.arrayContaining([
          expect.objectContaining({ sessionId })
        ])
      );
    });
  });

  describe('GET /api/v1/hedging/orders/:id', () => {
    it('should return hedging order details', async () => {
      const orderId = 'test-order-id';

      // This test will fail until implementation
      const response = await request(app)
        .get(`/api/v1/hedging/orders/${orderId}`)
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('id', orderId);
      expect(response.body.data).toHaveProperty('buyOrder');
      expect(response.body.data).toHaveProperty('sellOrder');
      expect(response.body.data).toHaveProperty('status');
      expect(response.body.data).toHaveProperty('volume');
      expect(response.body.data).toHaveProperty('price');
    });
  });

  describe('POST /api/v1/hedging/orders/:id/execute', () => {
    it('should execute hedging order pair', async () => {
      const orderId = 'test-order-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/hedging/orders/${orderId}/execute`)
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('status', 'executed');
      expect(response.body.data).toHaveProperty('executedAt');
    });
  });

  describe('POST /api/v1/hedging/orders/:id/cancel', () => {
    it('should cancel hedging order pair', async () => {
      const orderId = 'test-order-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/hedging/orders/${orderId}/cancel`)
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('status', 'cancelled');
    });
  });

  describe('GET /api/v1/hedging/positions', () => {
    it('should return net positions across all accounts', async () => {
      // This test will fail until implementation
      const response = await request(app)
        .get('/api/v1/hedging/positions')
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('netPositions');
      expect(response.body.data).toHaveProperty('totalExposure');
      expect(response.body.data).toHaveProperty('isNeutral');
    });
  });

  describe('GET /api/v1/hedging/risk', () => {
    it('should return hedging risk metrics', async () => {
      // This test will fail until implementation
      const response = await request(app)
        .get('/api/v1/hedging/risk')
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('riskMetrics');
      expect(response.body.data.riskMetrics).toHaveProperty('totalExposure');
      expect(response.body.data.riskMetrics).toHaveProperty('maxDrawdown');
      expect(response.body.data.riskMetrics).toHaveProperty('positionNeutrality');
    });
  });
});