update
This commit is contained in:
641
test/suite/smtpclient_performance/test.cperf-03.memory-usage.ts
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641
test/suite/smtpclient_performance/test.cperf-03.memory-usage.ts
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@ -0,0 +1,641 @@
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import { expect, tap } from '@git.zone/tstest/tapbundle';
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import * as plugins from './plugins.js';
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import { createTestServer } from '../../helpers/server.loader.js';
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import { createSmtpClient } from '../../helpers/smtp.client.js';
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tap.test('CPERF-03: should optimize memory usage', async (tools) => {
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const testId = 'CPERF-03-memory-usage';
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console.log(`\n${testId}: Testing memory usage optimization...`);
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let scenarioCount = 0;
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// Helper function to get memory usage
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const getMemoryUsage = () => {
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if (process.memoryUsage) {
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const usage = process.memoryUsage();
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return {
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heapUsed: usage.heapUsed,
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heapTotal: usage.heapTotal,
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external: usage.external,
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rss: usage.rss
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};
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}
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return null;
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};
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// Helper function to format bytes
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const formatBytes = (bytes: number) => {
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if (bytes < 1024) return `${bytes} B`;
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if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
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return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
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};
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// Scenario 1: Memory usage during connection lifecycle
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await (async () => {
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scenarioCount++;
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console.log(`\nScenario ${scenarioCount}: Testing memory usage during connection lifecycle`);
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const testServer = await createTestServer({
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onConnection: async (socket) => {
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console.log(' [Server] Client connected');
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socket.write('220 memory.example.com ESMTP\r\n');
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socket.on('data', (data) => {
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const command = data.toString().trim();
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if (command.startsWith('EHLO')) {
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socket.write('250-memory.example.com\r\n');
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socket.write('250 OK\r\n');
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} else if (command.startsWith('MAIL FROM:')) {
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socket.write('250 OK\r\n');
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} else if (command.startsWith('RCPT TO:')) {
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socket.write('250 OK\r\n');
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} else if (command === 'DATA') {
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socket.write('354 Start mail input\r\n');
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} else if (command === '.') {
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socket.write('250 OK\r\n');
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} else if (command === 'QUIT') {
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socket.write('221 Bye\r\n');
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socket.end();
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}
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});
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}
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});
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// Force garbage collection if available
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if (global.gc) {
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global.gc();
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}
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const beforeConnection = getMemoryUsage();
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console.log(` Memory before connection: ${formatBytes(beforeConnection?.heapUsed || 0)}`);
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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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});
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const afterConnection = getMemoryUsage();
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console.log(` Memory after client creation: ${formatBytes(afterConnection?.heapUsed || 0)}`);
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// Send a test email
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const email = new plugins.smartmail.Email({
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from: 'sender@example.com',
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to: ['recipient@example.com'],
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subject: 'Memory usage test',
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text: 'Testing memory usage during email sending'
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});
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await smtpClient.sendMail(email);
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const afterSending = getMemoryUsage();
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console.log(` Memory after sending: ${formatBytes(afterSending?.heapUsed || 0)}`);
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// Close connection
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if (smtpClient.close) {
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await smtpClient.close();
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}
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// Force garbage collection if available
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if (global.gc) {
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global.gc();
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await new Promise(resolve => setTimeout(resolve, 100));
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}
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const afterClose = getMemoryUsage();
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console.log(` Memory after close: ${formatBytes(afterClose?.heapUsed || 0)}`);
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// Check for memory leaks
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const memoryIncrease = (afterClose?.heapUsed || 0) - (beforeConnection?.heapUsed || 0);
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console.log(` Net memory change: ${formatBytes(Math.abs(memoryIncrease))} ${memoryIncrease >= 0 ? 'increase' : 'decrease'}`);
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// Memory increase should be minimal after cleanup
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expect(memoryIncrease).toBeLessThan(1024 * 1024); // Less than 1MB increase
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await testServer.server.close();
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})();
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// Scenario 2: Memory usage with large messages
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await (async () => {
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scenarioCount++;
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console.log(`\nScenario ${scenarioCount}: Testing memory usage with large messages`);
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const testServer = await createTestServer({
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onConnection: async (socket) => {
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console.log(' [Server] Client connected');
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socket.write('220 large.example.com ESMTP\r\n');
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let inData = false;
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let messageSize = 0;
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socket.on('data', (data) => {
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if (inData) {
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messageSize += data.length;
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if (data.toString().includes('\r\n.\r\n')) {
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inData = false;
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console.log(` [Server] Received message: ${formatBytes(messageSize)}`);
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socket.write('250 OK\r\n');
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messageSize = 0;
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}
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return;
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}
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const command = data.toString().trim();
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if (command.startsWith('EHLO')) {
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socket.write('250-large.example.com\r\n');
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socket.write('250-SIZE 52428800\r\n'); // 50MB limit
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socket.write('250 OK\r\n');
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} else if (command.startsWith('MAIL FROM:')) {
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socket.write('250 OK\r\n');
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} else if (command.startsWith('RCPT TO:')) {
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socket.write('250 OK\r\n');
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} else if (command === 'DATA') {
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socket.write('354 Start mail input\r\n');
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inData = true;
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} else if (command === 'QUIT') {
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socket.write('221 Bye\r\n');
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socket.end();
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}
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});
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}
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});
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if (global.gc) {
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global.gc();
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}
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const beforeLarge = getMemoryUsage();
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console.log(` Memory before large message: ${formatBytes(beforeLarge?.heapUsed || 0)}`);
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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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});
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// Create messages of increasing sizes
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const messageSizes = [
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{ name: '1KB', size: 1024 },
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{ name: '10KB', size: 10 * 1024 },
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{ name: '100KB', size: 100 * 1024 },
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{ name: '1MB', size: 1024 * 1024 },
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{ name: '5MB', size: 5 * 1024 * 1024 }
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];
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for (const msgSize of messageSizes) {
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console.log(` Testing ${msgSize.name} message...`);
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const beforeMessage = getMemoryUsage();
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// Create large content
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const largeContent = 'x'.repeat(msgSize.size);
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const email = new plugins.smartmail.Email({
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from: 'sender@example.com',
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to: ['recipient@example.com'],
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subject: `Large message test - ${msgSize.name}`,
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text: largeContent
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});
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const duringCreation = getMemoryUsage();
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const creationIncrease = (duringCreation?.heapUsed || 0) - (beforeMessage?.heapUsed || 0);
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console.log(` Memory increase during creation: ${formatBytes(creationIncrease)}`);
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await smtpClient.sendMail(email);
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const afterSending = getMemoryUsage();
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const sendingIncrease = (afterSending?.heapUsed || 0) - (beforeMessage?.heapUsed || 0);
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console.log(` Memory increase after sending: ${formatBytes(sendingIncrease)}`);
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// Clear reference to email
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// email = null; // Can't reassign const
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// Memory usage shouldn't grow linearly with message size
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// due to streaming or buffering optimizations
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expect(sendingIncrease).toBeLessThan(msgSize.size * 2); // At most 2x the message size
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}
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if (global.gc) {
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global.gc();
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await new Promise(resolve => setTimeout(resolve, 100));
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}
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const afterLarge = getMemoryUsage();
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console.log(` Memory after large messages: ${formatBytes(afterLarge?.heapUsed || 0)}`);
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await testServer.server.close();
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})();
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// Scenario 3: Memory usage with multiple concurrent connections
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await (async () => {
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scenarioCount++;
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console.log(`\nScenario ${scenarioCount}: Testing memory usage with concurrent connections`);
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let connectionCount = 0;
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const testServer = await createTestServer({
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onConnection: async (socket) => {
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connectionCount++;
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const connId = connectionCount;
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console.log(` [Server] Connection ${connId} established`);
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socket.write('220 concurrent.example.com ESMTP\r\n');
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socket.on('close', () => {
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console.log(` [Server] Connection ${connId} closed`);
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});
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socket.on('data', (data) => {
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const command = data.toString().trim();
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if (command.startsWith('EHLO')) {
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socket.write('250-concurrent.example.com\r\n');
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socket.write('250 OK\r\n');
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} else if (command.startsWith('MAIL FROM:')) {
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socket.write('250 OK\r\n');
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} else if (command.startsWith('RCPT TO:')) {
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socket.write('250 OK\r\n');
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} else if (command === 'DATA') {
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socket.write('354 Start mail input\r\n');
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} else if (command === '.') {
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socket.write('250 OK\r\n');
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} else if (command === 'QUIT') {
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socket.write('221 Bye\r\n');
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socket.end();
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}
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});
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}
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});
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if (global.gc) {
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global.gc();
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}
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const beforeConcurrent = getMemoryUsage();
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console.log(` Memory before concurrent connections: ${formatBytes(beforeConcurrent?.heapUsed || 0)}`);
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const concurrentCount = 10;
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const clients: any[] = [];
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// Create multiple concurrent clients
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for (let i = 0; i < concurrentCount; i++) {
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const client = 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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});
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clients.push(client);
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}
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const afterCreation = getMemoryUsage();
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const creationIncrease = (afterCreation?.heapUsed || 0) - (beforeConcurrent?.heapUsed || 0);
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console.log(` Memory after creating ${concurrentCount} clients: ${formatBytes(creationIncrease)}`);
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// Send emails concurrently
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const promises = clients.map((client, i) => {
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const email = new plugins.smartmail.Email({
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from: 'sender@example.com',
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to: [`recipient${i + 1}@example.com`],
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subject: `Concurrent memory test ${i + 1}`,
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text: `Testing concurrent memory usage - client ${i + 1}`
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});
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return client.sendMail(email);
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});
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await Promise.all(promises);
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const afterSending = getMemoryUsage();
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const sendingIncrease = (afterSending?.heapUsed || 0) - (beforeConcurrent?.heapUsed || 0);
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console.log(` Memory after concurrent sending: ${formatBytes(sendingIncrease)}`);
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// Close all clients
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await Promise.all(clients.map(client => {
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if (client.close) {
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return client.close();
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}
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return Promise.resolve();
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}));
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if (global.gc) {
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global.gc();
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await new Promise(resolve => setTimeout(resolve, 100));
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}
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const afterClose = getMemoryUsage();
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const finalIncrease = (afterClose?.heapUsed || 0) - (beforeConcurrent?.heapUsed || 0);
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console.log(` Memory after closing all connections: ${formatBytes(finalIncrease)}`);
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// Memory per connection should be reasonable
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const memoryPerConnection = creationIncrease / concurrentCount;
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console.log(` Average memory per connection: ${formatBytes(memoryPerConnection)}`);
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expect(memoryPerConnection).toBeLessThan(512 * 1024); // Less than 512KB per connection
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expect(finalIncrease).toBeLessThan(creationIncrease * 0.5); // Significant cleanup
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await testServer.server.close();
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})();
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// Scenario 4: Memory usage with connection pooling
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await (async () => {
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scenarioCount++;
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console.log(`\nScenario ${scenarioCount}: Testing memory usage with connection pooling`);
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let connectionCount = 0;
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let maxConnections = 0;
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const testServer = await createTestServer({
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onConnection: async (socket) => {
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connectionCount++;
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maxConnections = Math.max(maxConnections, connectionCount);
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console.log(` [Server] Connection established (total: ${connectionCount}, max: ${maxConnections})`);
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socket.write('220 pool.example.com ESMTP\r\n');
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socket.on('close', () => {
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connectionCount--;
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});
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socket.on('data', (data) => {
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const command = data.toString().trim();
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if (command.startsWith('EHLO')) {
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socket.write('250-pool.example.com\r\n');
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socket.write('250 OK\r\n');
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} else if (command.startsWith('MAIL FROM:')) {
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socket.write('250 OK\r\n');
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} else if (command.startsWith('RCPT TO:')) {
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socket.write('250 OK\r\n');
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} else if (command === 'DATA') {
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socket.write('354 Start mail input\r\n');
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} else if (command === '.') {
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socket.write('250 OK\r\n');
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} else if (command === 'QUIT') {
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socket.write('221 Bye\r\n');
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socket.end();
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}
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});
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}
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});
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if (global.gc) {
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global.gc();
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}
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const beforePool = getMemoryUsage();
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console.log(` Memory before pooling: ${formatBytes(beforePool?.heapUsed || 0)}`);
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const pooledClient = 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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pool: true,
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maxConnections: 5,
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maxMessages: 100
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});
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const afterPoolCreation = getMemoryUsage();
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const poolCreationIncrease = (afterPoolCreation?.heapUsed || 0) - (beforePool?.heapUsed || 0);
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console.log(` Memory after pool creation: ${formatBytes(poolCreationIncrease)}`);
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// Send many emails through the pool
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const emailCount = 30;
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const emails = Array(emailCount).fill(null).map((_, i) =>
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new plugins.smartmail.Email({
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from: 'sender@example.com',
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to: [`recipient${i + 1}@example.com`],
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subject: `Pooled memory test ${i + 1}`,
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text: `Testing pooled memory usage - email ${i + 1}`
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})
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);
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await Promise.all(emails.map(email => pooledClient.sendMail(email)));
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const afterPoolSending = getMemoryUsage();
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const poolSendingIncrease = (afterPoolSending?.heapUsed || 0) - (beforePool?.heapUsed || 0);
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console.log(` Memory after sending ${emailCount} emails: ${formatBytes(poolSendingIncrease)}`);
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console.log(` Maximum concurrent connections: ${maxConnections}`);
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await pooledClient.close();
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if (global.gc) {
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global.gc();
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await new Promise(resolve => setTimeout(resolve, 100));
|
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}
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const afterPoolClose = getMemoryUsage();
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const poolFinalIncrease = (afterPoolClose?.heapUsed || 0) - (beforePool?.heapUsed || 0);
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console.log(` Memory after pool close: ${formatBytes(poolFinalIncrease)}`);
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// Pooling should use fewer connections and thus less memory
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expect(maxConnections).toBeLessThanOrEqual(5);
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expect(poolFinalIncrease).toBeLessThan(2 * 1024 * 1024); // Less than 2MB final increase
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await testServer.server.close();
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})();
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||||
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// Scenario 5: Memory usage with attachments
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await (async () => {
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scenarioCount++;
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console.log(`\nScenario ${scenarioCount}: Testing memory usage with attachments`);
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const testServer = await createTestServer({
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||||
onConnection: async (socket) => {
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console.log(' [Server] Client connected');
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socket.write('220 attachments.example.com ESMTP\r\n');
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let inData = false;
|
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let totalSize = 0;
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||||
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socket.on('data', (data) => {
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if (inData) {
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totalSize += data.length;
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if (data.toString().includes('\r\n.\r\n')) {
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inData = false;
|
||||
console.log(` [Server] Received email with attachments: ${formatBytes(totalSize)}`);
|
||||
socket.write('250 OK\r\n');
|
||||
totalSize = 0;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
const command = data.toString().trim();
|
||||
|
||||
if (command.startsWith('EHLO')) {
|
||||
socket.write('250-attachments.example.com\r\n');
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command.startsWith('MAIL FROM:')) {
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command.startsWith('RCPT TO:')) {
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command === 'DATA') {
|
||||
socket.write('354 Start mail input\r\n');
|
||||
inData = true;
|
||||
} else if (command === 'QUIT') {
|
||||
socket.write('221 Bye\r\n');
|
||||
socket.end();
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
if (global.gc) {
|
||||
global.gc();
|
||||
}
|
||||
|
||||
const beforeAttachments = getMemoryUsage();
|
||||
console.log(` Memory before attachments: ${formatBytes(beforeAttachments?.heapUsed || 0)}`);
|
||||
|
||||
const smtpClient = createSmtpClient({
|
||||
host: testServer.hostname,
|
||||
port: testServer.port,
|
||||
secure: false
|
||||
});
|
||||
|
||||
// Test with different attachment sizes
|
||||
const attachmentSizes = [
|
||||
{ name: 'small', size: 10 * 1024 }, // 10KB
|
||||
{ name: 'medium', size: 100 * 1024 }, // 100KB
|
||||
{ name: 'large', size: 1024 * 1024 } // 1MB
|
||||
];
|
||||
|
||||
for (const attachSize of attachmentSizes) {
|
||||
console.log(` Testing ${attachSize.name} attachment (${formatBytes(attachSize.size)})...`);
|
||||
|
||||
const beforeAttachment = getMemoryUsage();
|
||||
|
||||
// Create binary attachment data
|
||||
const attachmentData = Buffer.alloc(attachSize.size);
|
||||
for (let i = 0; i < attachmentData.length; i++) {
|
||||
attachmentData[i] = i % 256;
|
||||
}
|
||||
|
||||
const email = new plugins.smartmail.Email({
|
||||
from: 'sender@example.com',
|
||||
to: ['recipient@example.com'],
|
||||
subject: `Attachment memory test - ${attachSize.name}`,
|
||||
text: `Testing memory usage with ${attachSize.name} attachment`,
|
||||
attachments: [{
|
||||
filename: `${attachSize.name}-file.bin`,
|
||||
content: attachmentData
|
||||
}]
|
||||
});
|
||||
|
||||
const afterCreation = getMemoryUsage();
|
||||
const creationIncrease = (afterCreation?.heapUsed || 0) - (beforeAttachment?.heapUsed || 0);
|
||||
console.log(` Memory increase during email creation: ${formatBytes(creationIncrease)}`);
|
||||
|
||||
await smtpClient.sendMail(email);
|
||||
|
||||
const afterSending = getMemoryUsage();
|
||||
const sendingIncrease = (afterSending?.heapUsed || 0) - (beforeAttachment?.heapUsed || 0);
|
||||
console.log(` Memory increase after sending: ${formatBytes(sendingIncrease)}`);
|
||||
|
||||
// Memory usage should be efficient (not holding multiple copies)
|
||||
expect(creationIncrease).toBeLessThan(attachSize.size * 3); // At most 3x (original + base64 + overhead)
|
||||
}
|
||||
|
||||
await testServer.server.close();
|
||||
})();
|
||||
|
||||
// Scenario 6: Memory leak detection
|
||||
await (async () => {
|
||||
scenarioCount++;
|
||||
console.log(`\nScenario ${scenarioCount}: Testing for memory leaks`);
|
||||
|
||||
const testServer = await createTestServer({
|
||||
onConnection: async (socket) => {
|
||||
socket.write('220 leak-test.example.com ESMTP\r\n');
|
||||
|
||||
socket.on('data', (data) => {
|
||||
const command = data.toString().trim();
|
||||
|
||||
if (command.startsWith('EHLO')) {
|
||||
socket.write('250-leak-test.example.com\r\n');
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command.startsWith('MAIL FROM:')) {
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command.startsWith('RCPT TO:')) {
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command === 'DATA') {
|
||||
socket.write('354 Start mail input\r\n');
|
||||
} else if (command === '.') {
|
||||
socket.write('250 OK\r\n');
|
||||
} else if (command === 'QUIT') {
|
||||
socket.write('221 Bye\r\n');
|
||||
socket.end();
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
// Perform multiple iterations to detect leaks
|
||||
const iterations = 5;
|
||||
const memoryMeasurements: number[] = [];
|
||||
|
||||
for (let iteration = 0; iteration < iterations; iteration++) {
|
||||
console.log(` Iteration ${iteration + 1}/${iterations}...`);
|
||||
|
||||
if (global.gc) {
|
||||
global.gc();
|
||||
await new Promise(resolve => setTimeout(resolve, 100));
|
||||
}
|
||||
|
||||
const beforeIteration = getMemoryUsage();
|
||||
|
||||
// Create and use SMTP client
|
||||
const smtpClient = createSmtpClient({
|
||||
host: testServer.hostname,
|
||||
port: testServer.port,
|
||||
secure: false
|
||||
});
|
||||
|
||||
// Send multiple emails
|
||||
const emails = Array(10).fill(null).map((_, i) =>
|
||||
new plugins.smartmail.Email({
|
||||
from: 'sender@example.com',
|
||||
to: [`recipient${i + 1}@example.com`],
|
||||
subject: `Leak test iteration ${iteration + 1} email ${i + 1}`,
|
||||
text: `Testing for memory leaks - iteration ${iteration + 1}, email ${i + 1}`
|
||||
})
|
||||
);
|
||||
|
||||
await Promise.all(emails.map(email => smtpClient.sendMail(email)));
|
||||
|
||||
// Close client
|
||||
if (smtpClient.close) {
|
||||
await smtpClient.close();
|
||||
}
|
||||
|
||||
if (global.gc) {
|
||||
global.gc();
|
||||
await new Promise(resolve => setTimeout(resolve, 100));
|
||||
}
|
||||
|
||||
const afterIteration = getMemoryUsage();
|
||||
const iterationIncrease = (afterIteration?.heapUsed || 0) - (beforeIteration?.heapUsed || 0);
|
||||
memoryMeasurements.push(iterationIncrease);
|
||||
|
||||
console.log(` Memory change: ${formatBytes(iterationIncrease)}`);
|
||||
}
|
||||
|
||||
// Analyze memory trend
|
||||
const avgIncrease = memoryMeasurements.reduce((a, b) => a + b, 0) / memoryMeasurements.length;
|
||||
const maxIncrease = Math.max(...memoryMeasurements);
|
||||
const minIncrease = Math.min(...memoryMeasurements);
|
||||
|
||||
console.log(` Memory leak analysis:`);
|
||||
console.log(` Average increase: ${formatBytes(avgIncrease)}`);
|
||||
console.log(` Min increase: ${formatBytes(minIncrease)}`);
|
||||
console.log(` Max increase: ${formatBytes(maxIncrease)}`);
|
||||
console.log(` Range: ${formatBytes(maxIncrease - minIncrease)}`);
|
||||
|
||||
// Check for significant memory leaks
|
||||
// Memory should not consistently increase across iterations
|
||||
expect(avgIncrease).toBeLessThan(512 * 1024); // Less than 512KB average increase
|
||||
expect(maxIncrease - minIncrease).toBeLessThan(1024 * 1024); // Range less than 1MB
|
||||
|
||||
await testServer.server.close();
|
||||
})();
|
||||
|
||||
console.log(`\n${testId}: All ${scenarioCount} memory usage scenarios tested ✓`);
|
||||
});
|
||||
Reference in New Issue
Block a user