electron/spec/lib/net-helpers.ts

109 строки
3.6 KiB
TypeScript

import { expect } from 'chai';
import * as dns from 'node:dns';
import * as http from 'node:http';
import { Socket } from 'node:net';
import { defer, listen } from './spec-helpers';
// See https://github.com/nodejs/node/issues/40702.
dns.setDefaultResultOrder('ipv4first');
export const kOneKiloByte = 1024;
export const kOneMegaByte = kOneKiloByte * kOneKiloByte;
export function randomBuffer (size: number, start: number = 0, end: number = 255) {
const range = 1 + end - start;
const buffer = Buffer.allocUnsafe(size);
for (let i = 0; i < size; ++i) {
buffer[i] = start + Math.floor(Math.random() * range);
}
return buffer;
}
export function randomString (length: number) {
const buffer = randomBuffer(length, '0'.charCodeAt(0), 'z'.charCodeAt(0));
return buffer.toString();
}
export async function getResponse (urlRequest: Electron.ClientRequest) {
return new Promise<Electron.IncomingMessage>((resolve, reject) => {
urlRequest.on('error', reject);
urlRequest.on('abort', reject);
urlRequest.on('response', (response) => resolve(response));
urlRequest.end();
});
}
export async function collectStreamBody (response: Electron.IncomingMessage | http.IncomingMessage) {
return (await collectStreamBodyBuffer(response)).toString();
}
export function collectStreamBodyBuffer (response: Electron.IncomingMessage | http.IncomingMessage) {
return new Promise<Buffer>((resolve, reject) => {
response.on('error', reject);
(response as NodeJS.EventEmitter).on('aborted', reject);
const data: Buffer[] = [];
response.on('data', (chunk) => data.push(chunk));
response.on('end', (chunk?: Buffer) => {
if (chunk) data.push(chunk);
resolve(Buffer.concat(data));
});
});
}
export async function respondNTimes (fn: http.RequestListener, n: number): Promise<string> {
const server = http.createServer((request, response) => {
fn(request, response);
// don't close if a redirect was returned
if ((response.statusCode < 300 || response.statusCode >= 399) && n <= 0) {
n--;
server.close();
}
});
const sockets: Socket[] = [];
server.on('connection', s => sockets.push(s));
defer(() => {
server.close();
for (const socket of sockets) {
socket.destroy();
}
});
return (await listen(server)).url;
}
export function respondOnce (fn: http.RequestListener) {
return respondNTimes(fn, 1);
}
respondNTimes.routeFailure = false;
respondNTimes.toRoutes = (routes: Record<string, http.RequestListener>, n: number) => {
return respondNTimes((request, response) => {
if (Object.hasOwn(routes, request.url || '')) {
(async () => {
await Promise.resolve(routes[request.url || ''](request, response));
})().catch((err) => {
respondNTimes.routeFailure = true;
console.error('Route handler failed, this is probably why your test failed', err);
response.statusCode = 500;
response.end();
});
} else {
response.statusCode = 500;
response.end();
expect.fail(`Unexpected URL: ${request.url}`);
}
}, n);
};
respondOnce.toRoutes = (routes: Record<string, http.RequestListener>) => respondNTimes.toRoutes(routes, 1);
respondNTimes.toURL = (url: string, fn: http.RequestListener, n: number) => {
return respondNTimes.toRoutes({ [url]: fn }, n);
};
respondOnce.toURL = (url: string, fn: http.RequestListener) => respondNTimes.toURL(url, fn, 1);
respondNTimes.toSingleURL = (fn: http.RequestListener, n: number) => {
const requestUrl = '/requestUrl';
return respondNTimes.toURL(requestUrl, fn, n).then(url => `${url}${requestUrl}`);
};
respondOnce.toSingleURL = (fn: http.RequestListener) => respondNTimes.toSingleURL(fn, 1);