dcrouter/test/test.smtp.server.ts

import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../ts/plugins.js';
import * as paths from '../ts/paths.js';
import { SMTPServer } from '../ts/mail/delivery/classes.smtpserver.js';
import { UnifiedEmailServer } from '../ts/mail/routing/classes.unified.email.server.js';
import { Email } from '../ts/mail/core/classes.email.js';
import type { ISmtpServerOptions } from '../ts/mail/delivery/interfaces.js';

/**
 * Tests for the SMTP server class
 */
tap.test('verify SMTP server initialization', async () => {
  // Mock email server
  const mockEmailServer = {
    processEmailByMode: async () => new Email({
      from: 'test@example.com',
      to: 'recipient@example.com',
      subject: 'Test Email',
      text: 'This is a test email'
    })
  } as any;

  // Create test configuration
  const options: ISmtpServerOptions = {
    port: 2525, // Use a high port for testing
    hostname: 'test.example.com',
    key: '-----BEGIN RSA PRIVATE KEY-----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\nwRsYzSWiLtNplKNFRrsSoMWlh8GOTUpZ7FMLXWhE4rE9NskQBbYq8g==\n-----END RSA PRIVATE KEY-----',
    cert: '-----BEGIN CERTIFICATE-----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\nM7uVlLGwlj5R9iHd+0dP\n-----END CERTIFICATE-----'
  };

  // Create SMTP server instance
  const smtpServer = new SMTPServer(mockEmailServer, options);
  
  // Verify instance was created correctly
  expect(smtpServer).toBeTruthy();
  
  // Test that the listen method exists and is callable
  expect(typeof smtpServer.listen === 'function').toBeTruthy();
  
  // Test that the close method exists
  expect(typeof smtpServer.close === 'function').toBeTruthy();
});

tap.test('verify SMTP server listen method', async () => {
  // Mock email server
  const mockEmailServer = {
    processEmailByMode: async () => new Email({
      from: 'test@example.com',
      to: 'recipient@example.com',
      subject: 'Test Email',
      text: 'This is a test email'
    })
  } as any;

  // Create test configuration with a different port
  const options: ISmtpServerOptions = {
    port: 2526, // Use a different port for this test
    hostname: 'test.example.com',
    key: '-----BEGIN RSA PRIVATE KEY-----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\nwRsYzSWiLtNplKNFRrsSoMWlh8GOTUpZ7FMLXWhE4rE9NskQBbYq8g==\n-----END RSA PRIVATE KEY-----',
    cert: '-----BEGIN CERTIFICATE-----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\nM7uVlLGwlj5R9iHd+0dP\n-----END CERTIFICATE-----',
    connectionTimeout: 5000 // Short timeout for tests
  };

  // Create SMTP server instance
  const smtpServer = new SMTPServer(mockEmailServer, options);
  
  // Mock net.Server.listen and net.Server.close to avoid actual networking
  const originalListen = smtpServer.server.listen;
  const originalClose = smtpServer.server.close;
  
  smtpServer.server.listen = function(port, callback) {
    // Call the original without actually binding
    if (callback) callback();
    return this;
  };
  
  smtpServer.server.close = function(callback) {
    if (callback) callback(null);
    return this;
  };
  
  try {
    // Test listen method
    await smtpServer.listen();
    
    // Should get here without error
    expect(true).toBeTruthy();
    
    // Test close method 
    await smtpServer.close();
    
    // Should get here without error
    expect(true).toBeTruthy();
  } finally {
    // Restore original methods
    smtpServer.server.listen = originalListen;
    smtpServer.server.close = originalClose;
  }
});

tap.test('verify SMTP server error handling', async () => {
  // Mock email server
  const mockEmailServer = {
    processEmailByMode: async () => new Email({
      from: 'test@example.com',
      to: 'recipient@example.com',
      subject: 'Test Email',
      text: 'This is a test email'
    })
  } as any;

  // Create test configuration with an invalid port
  const options: ISmtpServerOptions = {
    port: 0, // Invalid port
    hostname: 'test.example.com',
    key: '-----BEGIN RSA PRIVATE KEY-----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\nwRsYzSWiLtNplKNFRrsSoMWlh8GOTUpZ7FMLXWhE4rE9NskQBbYq8g==\n-----END RSA PRIVATE KEY-----',
    cert: '-----BEGIN CERTIFICATE-----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\nM7uVlLGwlj5R9iHd+0dP\n-----END CERTIFICATE-----'
  };

  // Create SMTP server instance
  const smtpServer = new SMTPServer(mockEmailServer, options);
  
  // Mock server.listen to simulate an error
  const originalListen = smtpServer.server.listen;
  const originalOn = smtpServer.server.on;
  
  let errorCallback: (err: Error) => void;
  
  smtpServer.server.listen = function(port, callback) {
    // Don't call the callback - instead trigger the error event
    setTimeout(() => {
      if (errorCallback) {
        errorCallback(new Error('EACCES: Permission denied'));
      }
    }, 10);
    return this;
  };
  
  smtpServer.server.on = function(event: string, callback: any) {
    if (event === 'error') {
      errorCallback = callback;
    }
    return this;
  };
  
  try {
    // This should fail with an error
    try {
      await smtpServer.listen();
      // Should not reach here
      expect(false).toBeTruthy();
    } catch (error) {
      // Expect an error
      expect(error).toBeTruthy();
      expect(error.message.includes('EACCES')).toBeTruthy();
    }
  } finally {
    // Restore original methods
    smtpServer.server.listen = originalListen;
    smtpServer.server.on = originalOn as any;
  }
});

tap.test('stop', async () => {
  await tap.stopForcefully();
});

export default tap.start();