/**
* Get a random available port for testing
*/
import { createServer } from 'http';
/**
* Find an available port by trying to create a server
*/
export async function getAvailablePort(): Promise<number> {
return new Promise((resolve, reject) => {
const server = createServer();
server.listen(0, () => {
const address = server.address();
const port = typeof address === 'object' && address ? address.port : 0;
server.close((err) => {
if (err) {
reject(err);
} else {
resolve(port);
}
});
});
server.on('error', reject);
});
}
/**
* Create and start a test server on an available port
*/
export async function createTestServer(
handler: (req: any, res: any) => void
): Promise<{ server: any; port: number; url: string }> {
const server = createServer(handler);
return new Promise((resolve, reject) => {
server.listen(0, () => {
const address = server.address();
const port = typeof address === 'object' && address ? address.port : 0;
resolve({
server,
port,
url: `http://localhost:${port}`
});
});
server.on('error', reject);
});
}
/**
* Close a test server gracefully
*/
export async function closeTestServer(server: any): Promise<void> {
return new Promise((resolve, reject) => {
if (!server) {
resolve();
return;
}
server.close((err: any) => {
if (err) {
reject(err);
} else {
resolve();
}
});
});
}
