/** * 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'); }); }); });