test-listen

Produce URLs to test HTTP servers with ephemeral ports

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test-listen
Build Status XO code style
URLs with ephemeral ports. async/await ready.

Usage

Install it:
npm install --save-dev test-listen

Pass a http.Server to test-listen and it will return an URL in the format http://localhost:{port}.
The second parameter can optionally be a hostname to return in the URL instead of localhost.
Useful for running HTTP server testsuites:
const http = require('http');
const listen = require('test-listen');

const srv = http.createServer((req, res) => res.end('1'))
const srv2 = http.createServer((req, res) => res.end('2'))

test('urls', async t => {
  let url = await listen(srv)
  t.ok(url == 'http://localhost:11401')
  let url = await listen(srv2)
  t.ok(url == 'http://localhost:42333')
})

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