dcrouter/test/suite/smtpclient_rfc-compliance/test.crfc-03.command-syntax.ts

import { expect, tap } from '@git.zone/tstest/tapbundle';
import { createTestServer } from '../../helpers/server.loader.js';
import { createTestSmtpClient } from '../../helpers/smtp.client.js';
import { Email } from '../../../ts/mail/core/classes.email.js';

tap.test('CRFC-03: SMTP Command Syntax Compliance', async () => {
  console.log('\n📧 Testing SMTP Client Command Syntax Compliance');
  console.log('=' .repeat(60));

  const testServer = await createTestServer({});

  try {
    const smtpClient = createTestSmtpClient({
      host: testServer.hostname,
      port: testServer.port
    });

    console.log('\nTest 1: Valid email addresses');
    const email1 = new Email({
      from: 'sender@example.com',
      to: ['recipient@example.com'],
      subject: 'Valid email test',
      text: 'Testing valid email addresses'
    });

    const result1 = await smtpClient.sendMail(email1);
    console.log('  ✓ Valid email addresses accepted');
    expect(result1).toBeDefined();

    console.log('\nTest 2: Email with display names');
    const email2 = new Email({
      from: 'Test Sender <sender@example.com>',
      to: ['Test Recipient <recipient@example.com>'],
      subject: 'Display name test',
      text: 'Testing email addresses with display names'
    });

    const result2 = await smtpClient.sendMail(email2);
    console.log('  ✓ Display names handled correctly');
    expect(result2).toBeDefined();

    console.log('\nTest 3: Multiple recipients');
    const email3 = new Email({
      from: 'sender@example.com',
      to: ['user1@example.com', 'user2@example.com'],
      cc: ['cc@example.com'],
      subject: 'Multiple recipients test',
      text: 'Testing RCPT TO command with multiple recipients'
    });

    const result3 = await smtpClient.sendMail(email3);
    console.log('  ✓ Multiple RCPT TO commands sent correctly');
    expect(result3).toBeDefined();

    console.log('\nTest 4: Connection test (HELO/EHLO)');
    const verified = await smtpClient.verify();
    console.log('  ✓ HELO/EHLO command syntax correct');
    expect(verified).toBeDefined();

    console.log('\n✅ CRFC-03: Command syntax compliance tests completed');

  } finally {
    testServer.server.close();
  }
});

tap.start();