Sandbox::https://github.com/playcanvas/engine/blob/main/test/fixtures.mjs

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import { createServer } from 'http';

import handler from 'serve-handler';

import { Http } from '../src/platform/net/http.js';

let server;

export const mochaGlobalSetup = () => {

// Collapse the http retry tail so retries leaked by earlier tests (e.g. BundleHandler's

// blob-URL loads that fail under JSDOM) drain in ~60 ms instead of ~6 s, preventing them

// from polluting later tests that spy on http.request or swap global.XMLHttpRequest.

Http.retryDelay = 1;

server = createServer((request, response) => {

return handler(request, response);

});

// Return a Promise so Mocha waits for the server to be listening before any test

// issues a request, avoiding a startup race against the first XHR.

return new Promise((resolve) => {

server.listen(3210, () => {

console.log('Server started at http://localhost:3210');

resolve();

});

};

export const mochaGlobalTeardown = () => {

server.close();

};