update
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290
test/suite/smtpclient_commands/test.ccmd-08.rset-command.ts
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290
test/suite/smtpclient_commands/test.ccmd-08.rset-command.ts
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import { tap, expect } from '@git.zone/tstest/tapbundle';
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import { startTestSmtpServer } from '../../helpers/server.loader.js';
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import { createSmtpClient } from '../../helpers/smtp.client.js';
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let testServer: any;
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tap.test('setup test SMTP server', async () => {
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testServer = await startTestSmtpServer();
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expect(testServer).toBeTruthy();
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expect(testServer.port).toBeGreaterThan(0);
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});
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tap.test('CCMD-08: Basic RSET command', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Send RSET command
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const rsetResponse = await smtpClient.sendCommand('RSET');
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// Verify response
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expect(rsetResponse).toInclude('250');
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expect(rsetResponse).toMatch(/reset|ok/i);
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console.log(`RSET response: ${rsetResponse.trim()}`);
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET after MAIL FROM', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Start transaction
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const mailResponse = await smtpClient.sendCommand('MAIL FROM:<sender@example.com>');
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expect(mailResponse).toInclude('250');
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// Reset transaction
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const rsetResponse = await smtpClient.sendCommand('RSET');
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expect(rsetResponse).toInclude('250');
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// Verify transaction was reset by trying RCPT TO without MAIL FROM
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const rcptResponse = await smtpClient.sendCommand('RCPT TO:<recipient@example.com>');
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expect(rcptResponse).toMatch(/[45]\d\d/); // Should fail
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET after multiple recipients', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Build up a transaction with multiple recipients
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await smtpClient.sendCommand('MAIL FROM:<sender@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient1@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient2@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient3@example.com>');
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console.log('Transaction built with 3 recipients');
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// Reset the transaction
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const rsetResponse = await smtpClient.sendCommand('RSET');
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expect(rsetResponse).toInclude('250');
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// Start a new transaction to verify reset
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const newMailResponse = await smtpClient.sendCommand('MAIL FROM:<newsender@example.com>');
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expect(newMailResponse).toInclude('250');
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const newRcptResponse = await smtpClient.sendCommand('RCPT TO:<newrecipient@example.com>');
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expect(newRcptResponse).toInclude('250');
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console.log('Successfully started new transaction after RSET');
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await smtpClient.sendCommand('RSET');
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET during DATA phase', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Start transaction
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await smtpClient.sendCommand('MAIL FROM:<sender@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient@example.com>');
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// Enter DATA phase
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const dataResponse = await smtpClient.sendCommand('DATA');
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expect(dataResponse).toInclude('354');
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// Try RSET during DATA (should fail or be queued)
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// Most servers will interpret this as message content
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await smtpClient.sendCommand('RSET');
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// Complete the DATA phase
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const endDataResponse = await smtpClient.sendCommand('.');
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expect(endDataResponse).toInclude('250');
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// Now RSET should work
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const rsetResponse = await smtpClient.sendCommand('RSET');
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expect(rsetResponse).toInclude('250');
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await smtpClient.close();
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});
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tap.test('CCMD-08: Multiple RSET commands', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Send multiple RSET commands
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for (let i = 0; i < 5; i++) {
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const rsetResponse = await smtpClient.sendCommand('RSET');
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expect(rsetResponse).toInclude('250');
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console.log(`RSET ${i + 1}: ${rsetResponse.trim()}`);
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}
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// Should still be able to start a transaction
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const mailResponse = await smtpClient.sendCommand('MAIL FROM:<sender@example.com>');
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expect(mailResponse).toInclude('250');
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await smtpClient.sendCommand('RSET');
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET with pipelining', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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enablePipelining: true,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Pipeline commands including RSET
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const pipelinedCommands = [
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smtpClient.sendCommand('MAIL FROM:<sender@example.com>'),
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smtpClient.sendCommand('RCPT TO:<recipient@example.com>'),
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smtpClient.sendCommand('RSET'),
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smtpClient.sendCommand('MAIL FROM:<newsender@example.com>'),
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smtpClient.sendCommand('RCPT TO:<newrecipient@example.com>')
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];
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const responses = await Promise.all(pipelinedCommands);
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// Check responses
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expect(responses[0]).toInclude('250'); // MAIL FROM
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expect(responses[1]).toInclude('250'); // RCPT TO
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expect(responses[2]).toInclude('250'); // RSET
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expect(responses[3]).toInclude('250'); // New MAIL FROM
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expect(responses[4]).toInclude('250'); // New RCPT TO
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console.log('Successfully pipelined commands with RSET');
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await smtpClient.sendCommand('RSET');
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET state verification', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: true
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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// Build complex state
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await smtpClient.sendCommand('MAIL FROM:<sender@example.com> SIZE=1000');
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await smtpClient.sendCommand('RCPT TO:<recipient1@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient2@example.com>');
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console.log('Built transaction state with SIZE parameter and 2 recipients');
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// Reset
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const rsetResponse = await smtpClient.sendCommand('RSET');
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expect(rsetResponse).toInclude('250');
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// Verify all state is cleared
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// 1. Can't add recipients without MAIL FROM
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const rcptResponse = await smtpClient.sendCommand('RCPT TO:<test@example.com>');
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expect(rcptResponse).toMatch(/[45]\d\d/);
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// 2. Can start fresh transaction
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const newMailResponse = await smtpClient.sendCommand('MAIL FROM:<different@example.com>');
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expect(newMailResponse).toInclude('250');
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// 3. Previous recipients are not remembered
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const dataResponse = await smtpClient.sendCommand('DATA');
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expect(dataResponse).toMatch(/[45]\d\d/); // Should fail - no recipients
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await smtpClient.sendCommand('RSET');
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await smtpClient.close();
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});
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tap.test('CCMD-08: RSET performance impact', async () => {
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const smtpClient = createSmtpClient({
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host: testServer.hostname,
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port: testServer.port,
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secure: false,
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connectionTimeout: 5000,
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debug: false // Quiet for performance test
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});
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await smtpClient.connect();
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await smtpClient.sendCommand('EHLO testclient.example.com');
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const iterations = 20;
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const times: number[] = [];
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for (let i = 0; i < iterations; i++) {
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// Build transaction
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await smtpClient.sendCommand('MAIL FROM:<sender@example.com>');
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await smtpClient.sendCommand('RCPT TO:<recipient@example.com>');
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// Measure RSET time
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const startTime = Date.now();
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await smtpClient.sendCommand('RSET');
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const elapsed = Date.now() - startTime;
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times.push(elapsed);
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}
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// Analyze RSET performance
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const avgTime = times.reduce((a, b) => a + b, 0) / times.length;
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const minTime = Math.min(...times);
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const maxTime = Math.max(...times);
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console.log(`RSET performance over ${iterations} iterations:`);
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console.log(` Average: ${avgTime.toFixed(2)}ms`);
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console.log(` Min: ${minTime}ms`);
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console.log(` Max: ${maxTime}ms`);
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// RSET should be fast
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expect(avgTime).toBeLessThan(100);
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await smtpClient.close();
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});
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tap.test('cleanup test SMTP server', async () => {
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if (testServer) {
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await testServer.stop();
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}
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});
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export default tap.start();
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