AI-Powered Testing

// AI-Generated Unit Test
import { MCPTest } from '@mcpcodex/testing';
import { UserService } from './user-service';

describe('UserService', () => {
  let service: UserService;
  let mockDb: MockDatabase;

  beforeEach(() => {
    // AI sets up comprehensive mocks
    mockDb = MCPTest.createMockDatabase();
    service = new UserService(mockDb);
  });

  test('should create user with valid data', async () => {
    // AI generates test data
    const userData = MCPTest.generateUser({
      email: '[email protected]',
      role: 'admin'
    });

    const result = await service.createUser(userData);

    // AI creates thorough assertions
    expect(result).toBeDefined();
    expect(result.id).toMatch(/^usr_[a-z0-9]{24}$/);
    expect(result.email).toBe(userData.email);
    expect(mockDb.save).toHaveBeenCalledWith('users', expect.objectContaining(userData));
  });

  test('should handle edge cases', async () => {
    // AI identifies and tests edge cases
    const edgeCases = MCPTest.generateEdgeCases('UserService.createUser');
    
    for (const testCase of edgeCases) {
      await expect(service.createUser(testCase.input))
        .toMatchExpectation(testCase.expected);
    }
  });
});

// AI-Generated Integration Test
import { MCPIntegration } from '@mcpcodex/testing';

describe('API Integration', () => {
  const suite = new MCPIntegration({
    baseUrl: process.env.API_URL,
    model: 'claude-3-opus'
  });

  test('complete user flow', async () => {
    // AI creates realistic user journey
    const flow = await suite.generateUserFlow('registration-to-purchase');
    
    // Step 1: Register
    const user = await flow.register({
      email: suite.generateEmail(),
      password: suite.generateSecurePassword()
    });
    
    // Step 2: Verify email
    await flow.verifyEmail(user.verificationToken);
    
    // Step 3: Complete profile
    await flow.updateProfile({
      name: suite.generateName(),
      company: suite.generateCompany()
    });
    
    // Step 4: Make purchase
    const order = await flow.purchase({
      plan: 'professional',
      paymentMethod: suite.generatePaymentMethod()
    });
    
    // AI validates entire flow
    await suite.validateFlow(flow, {
      checkDataConsistency: true,
      verifyAuditLog: true,
      validateSecurity: true
    });
  });
});

// AI-Generated E2E Test with Playwright
import { MCPPlaywright } from '@mcpcodex/testing';

describe('E2E User Journey', () => {
  const ai = new MCPPlaywright({
    model: 'gpt-4-vision',
    screenshot: true
  });

  test('complete checkout process', async ({ page }) => {
    // AI navigates and interacts with UI
    await ai.navigate(page, 'Go to product catalog');
    await ai.findAndClick(page, 'Add premium plan to cart');
    await ai.fillForm(page, {
      intent: 'Complete checkout with credit card',
      validateFields: true
    });
    
    // AI performs visual regression testing
    await ai.compareVisual(page, 'checkout-confirmation');
    
    // AI validates success criteria
    await ai.expectSuccess(page, {
      url: '/order/success',
      content: 'Order confirmed',
      apiCall: '/api/orders/latest'
    });
  });
});