pacifica/tests/contract/test-wash-trading-api.ts

/**
 * Contract tests for wash trading 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('Wash Trading API Contract Tests', () => {
  beforeAll(() => {
    // This will fail until we implement the API
    // app = require('../../src/app').default;
  });

  describe('POST /api/v1/sessions', () => {
    it('should create a new wash trading session', async () => {
      const sessionData = {
        name: 'BTC Wash Trading Session 1',
        strategyId: 'equal-volume-btc',
        accountIds: ['account-1', 'account-2', 'account-3'],
        targetVolume: 10.5,
        duration: 3600000
      };

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

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('id');
      expect(response.body.data).toHaveProperty('name', sessionData.name);
      expect(response.body.data).toHaveProperty('status', 'pending');
      expect(response.body.data).toHaveProperty('strategy');
      expect(response.body.data).toHaveProperty('accounts');
      expect(response.body.data).toHaveProperty('targetVolume', sessionData.targetVolume);
    });

    it('should validate required fields', async () => {
      const invalidData = {
        name: 'Test Session',
        // Missing required fields
      };

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

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

    it('should validate account IDs', async () => {
      const sessionData = {
        name: 'Test Session',
        strategyId: 'equal-volume-btc',
        accountIds: ['account-1'], // Only one account - should fail
        targetVolume: 10.5,
        duration: 3600000
      };

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

      expect(response.body).toHaveProperty('success', false);
      expect(response.body.error).toContain('at least 2 account IDs');
    });
  });

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

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

    it('should support pagination', async () => {
      // This test will fail until implementation
      const response = await request(app)
        .get('/api/v1/sessions?page=1&limit=10')
        .expect(200);

      expect(response.body.data).toHaveProperty('pagination');
      expect(response.body.data.pagination).toHaveProperty('page', 1);
      expect(response.body.data.pagination).toHaveProperty('limit', 10);
    });
  });

  describe('GET /api/v1/sessions/:id', () => {
    it('should return session details', async () => {
      const sessionId = 'test-session-id';

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

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('id', sessionId);
      expect(response.body.data).toHaveProperty('name');
      expect(response.body.data).toHaveProperty('status');
      expect(response.body.data).toHaveProperty('strategy');
      expect(response.body.data).toHaveProperty('accounts');
    });

    it('should return 404 for non-existent session', async () => {
      const sessionId = 'non-existent-session';

      // This test will fail until implementation
      const response = await request(app)
        .get(`/api/v1/sessions/${sessionId}`)
        .expect(404);

      expect(response.body).toHaveProperty('success', false);
      expect(response.body.error).toContain('Session not found');
    });
  });

  describe('PUT /api/v1/sessions/:id', () => {
    it('should update session', async () => {
      const sessionId = 'test-session-id';
      const updateData = {
        name: 'Updated Session Name',
        targetVolume: 15.0
      };

      // This test will fail until implementation
      const response = await request(app)
        .put(`/api/v1/sessions/${sessionId}`)
        .send(updateData)
        .expect(200);

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('name', updateData.name);
      expect(response.body.data).toHaveProperty('targetVolume', updateData.targetVolume);
    });
  });

  describe('POST /api/v1/sessions/:id/start', () => {
    it('should start a session', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/sessions/${sessionId}/start`)
        .expect(200);

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

    it('should return error for already active session', async () => {
      const sessionId = 'active-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/sessions/${sessionId}/start`)
        .expect(400);

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

  describe('POST /api/v1/sessions/:id/stop', () => {
    it('should stop a session', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/sessions/${sessionId}/stop`)
        .expect(200);

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

  describe('POST /api/v1/sessions/:id/pause', () => {
    it('should pause a session', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/sessions/${sessionId}/pause`)
        .expect(200);

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

  describe('POST /api/v1/sessions/:id/resume', () => {
    it('should resume a session', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .post(`/api/v1/sessions/${sessionId}/resume`)
        .expect(200);

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

  describe('GET /api/v1/sessions/:id/status', () => {
    it('should return session status', async () => {
      const sessionId = 'test-session-id';

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

      expect(response.body).toHaveProperty('success', true);
      expect(response.body.data).toHaveProperty('status');
      expect(response.body.data).toHaveProperty('currentVolume');
      expect(response.body.data).toHaveProperty('targetVolume');
      expect(response.body.data).toHaveProperty('progress');
      expect(response.body.data).toHaveProperty('riskMetrics');
    });
  });

  describe('GET /api/v1/sessions/:id/orders', () => {
    it('should return session orders', async () => {
      const sessionId = 'test-session-id';

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

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

  describe('GET /api/v1/sessions/:id/risk', () => {
    it('should return session risk metrics', async () => {
      const sessionId = 'test-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .get(`/api/v1/sessions/${sessionId}/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('currentDrawdown');
    });
  });

  describe('DELETE /api/v1/sessions/:id', () => {
    it('should delete a session', async () => {
      const sessionId = 'test-session-id';

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

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

    it('should return error for active session', async () => {
      const sessionId = 'active-session-id';

      // This test will fail until implementation
      const response = await request(app)
        .delete(`/api/v1/sessions/${sessionId}`)
        .expect(400);

      expect(response.body).toHaveProperty('success', false);
      expect(response.body.error).toContain('Cannot delete active session');
    });
  });
});