build: add Node 16 and 18 to the CI matrix

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 16
           cache: npm
       - run: npm ci
       - run: npm run build:check
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12]
+        node: [10, 12, 14, 18]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
@@ -48,7 +48,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        node: [10, 12, 14]
+        node: [10, 12, 14, 16, 18]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2

docs/intro/01-installation.md

@@ -5,7 +5,7 @@ Karma runs on [Node.js] and is available as an [npm] package.
 On Mac or Linux we recommend using [NVM](https://github.com/creationix/nvm). On Windows, download Node.js
 from [the official site](https://nodejs.org/) or use the [NVM PowerShell Module](https://www.powershellgallery.com/packages/nvm).
 
-Note: Karma currently works on Node.js **6.x**, **8.x**, and **10.x**. See [FAQ] for more info.
+Karma works on all [LTS releases](https://nodejs.org/en/about/releases/) of Node.js.
 
 ## Installing Karma and plugins
 

docs/intro/04-faq.md

@@ -27,7 +27,7 @@ The latest stable version from npm (`npm install karma`). See [versioning] for m
 
 
 ### Which version of Node.js does Karma run with?
-Karma works on all active LTS versions of node as specified by the [Node.js Release Working Group](https://github.com/nodejs/Release/blob/master/README.md). The nodejs version numbers are set in the package.json. Older versions of karma work with older versions of nodejs, but are not maintained or updated.
+Karma works on all LTS versions of Node.js as specified by the [Node.js Release Working Group](https://github.com/nodejs/Release/blob/master/README.md). The Node.js version numbers are set in the package.json. Older versions of karma work with older versions of Node.js, but are not maintained or updated.
 
 [mailing list]: https://groups.google.com/d/forum/karma-users
 [karma-ng-scenario]: https://github.com/karma-runner/karma-ng-scenario

lib/middleware/proxy.js

@@ -1,3 +1,4 @@
+const dns = require('dns')
 const url = require('url')
 const { Agent: httpAgent } = require('http')
 const { Agent: httpsAgent } = require('https')
@@ -41,7 +42,10 @@ function parseProxyConfig (proxies, config) {
     const port = proxyDetails.port || defaultPorts[proxyDetails.protocol] || config.port
     const changeOrigin = proxyConfiguration.changeOrigin || false
     const Agent = protocol === 'https:' ? httpsAgent : httpAgent
-    const agent = new Agent({ keepAlive: true })
+    const agent = new Agent({
+      keepAlive: true,
+      lookup: (hostname, options, callback) => dns.lookup(hostname, { ...options, verbatim: false }, callback)
+    })
     const proxy = httpProxy.createProxyServer({
       target: { host: hostname, port, protocol },
       xfwd: true,

lib/runner.js

@@ -1,5 +1,6 @@
 'use strict'
 
+const dns = require('dns')
 const http = require('http')
 
 const constant = require('./constants')
@@ -74,7 +75,8 @@ function run (cliOptionsOrConfig, done) {
     method: 'POST',
     headers: {
       'Content-Type': 'application/json'
-    }
+    },
+    lookup: (hostname, options, callback) => dns.lookup(hostname, { ...options, verbatim: false }, callback)
   }
 
   const request = http.request(options, function (response) {

lib/stopper.js

@@ -1,3 +1,4 @@
+const dns = require('dns')
 const http = require('http')
 const cfg = require('./config')
 const logger = require('./logger')
@@ -42,7 +43,8 @@ exports.stop = function (cliOptionsOrConfig, done) {
     hostname: config.hostname,
     path: config.urlRoot + 'stop',
     port: config.port,
-    method: 'GET'
+    method: 'GET',
+    lookup: (hostname, options, callback) => dns.lookup(hostname, { ...options, verbatim: false }, callback)
   })
 
   request.on('response', function (response) {

test/e2e/support/proxy.js

@@ -8,7 +8,7 @@ module.exports = class Proxy {
     this.proxyPathRegExp = null
 
     this.proxy = httpProxy.createProxyServer({
-      target: 'http://localhost:9876'
+      target: 'http://127.0.0.1:9876'
     })
 
     this.proxy.on('error', (err) => {