smartproxy/test/test.socket-handler-race.ts
2025-05-29 01:00:20 +00:00

83 lines
2.4 KiB
TypeScript

import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as net from 'net';
import { SmartProxy } from '../ts/index.js';
tap.test('should handle async handler that sets up listeners after delay', async () => {
const proxy = new SmartProxy({
routes: [{
name: 'delayed-setup-handler',
match: { ports: 7777 },
action: {
type: 'socket-handler',
socketHandler: async (socket, context) => {
// Simulate async work BEFORE setting up listeners
await new Promise(resolve => setTimeout(resolve, 50));
// Now set up the listener - with the race condition, this would miss initial data
socket.on('data', (data) => {
const message = data.toString().trim();
socket.write(`RECEIVED: ${message}\n`);
if (message === 'close') {
socket.end();
}
});
// Send ready message
socket.write('HANDLER READY\n');
}
}
}],
enableDetailedLogging: false
});
await proxy.start();
// Test connection
const client = new net.Socket();
let response = '';
client.on('data', (data) => {
response += data.toString();
});
await new Promise<void>((resolve, reject) => {
client.connect(7777, 'localhost', () => {
// Send initial data immediately - this tests the race condition
client.write('initial-message\n');
resolve();
});
client.on('error', reject);
});
// Wait for handler setup and initial data processing
await new Promise(resolve => setTimeout(resolve, 150));
// Send another message to verify handler is working
client.write('test-message\n');
// Wait for response
await new Promise(resolve => setTimeout(resolve, 50));
// Send close command
client.write('close\n');
// Wait for connection to close
await new Promise(resolve => {
client.on('close', () => resolve(undefined));
});
console.log('Response:', response);
// Should have received the ready message
expect(response).toContain('HANDLER READY');
// Should have received the initial message (this would fail with race condition)
expect(response).toContain('RECEIVED: initial-message');
// Should have received the test message
expect(response).toContain('RECEIVED: test-message');
await proxy.stop();
});
export default tap.start();