Playwright fixture - start server

gistfile1.txt

import { createServer, Server } from 'http';
import { test as base } from '@playwright/test';
import path from 'path';
import serve from 'serve-handler';

type StaticWorkerFixtures = {
  port: number;
  server: Server;
};

const test = base.extend<{}, StaticWorkerFixtures>({
  port: [
    async ({}, use, workerInfo) => {
      // We need unique port number for each worker that gets started. It will be assigned the port variable.
      await use(3000 + workerInfo.workerIndex);
    },
    { scope: 'worker' }
  ],

  server: [
    async ({ port }, use) => {
      const server: Server = await new Promise(resolve => {
        const server = createServer((req, res) => {
          serve(req, res, { public: path.join(__dirname, '../public') });
        });
        // We start a simple static file server listening on the port from the previous step
        // @ts-ignore
        server.listen(port, error => {
          if (error) throw error;
          resolve(server);
        });
      });

      await use(server);
      // We cleanup the server when we are finished
      await new Promise(resolve => server.close(resolve));
    },
    {
      scope: 'worker',
      auto: true
    }
  ]
});

export default test;