replace mocha and nyc with native node test runner and c8

package.json

@@ -22,10 +22,9 @@
     "url": "https://opencollective.com/express"
   },
   "devDependencies": {
+    "c8": "^10.1.3",
     "eslint": "7.32.0",
-    "eslint-plugin-markdown": "2.2.1",
-    "mocha": "^11.7.0",
-    "nyc": "^17.1.0"
+    "eslint-plugin-markdown": "2.2.1"
   },
   "files": [
     "lib/",
@@ -39,9 +38,8 @@
   },
   "scripts": {
     "lint": "eslint .",
-    "test": "mocha --reporter spec --check-leaks test/",
-    "test:debug": "mocha --reporter spec --check-leaks --inspect --inspect-brk test/",
-    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
-    "test-cov": "nyc --reporter=html --reporter=text npm test"
+    "test": "node --test --test-reporter spec",
+    "test-ci": "c8 --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "c8 --reporter=html --reporter=text npm test"
   }
 }

test/charset.js

@@ -1,4 +1,7 @@
-
+var nodeTest = require('node:test')
+var describe = nodeTest.describe
+var it = nodeTest.it
+var before = nodeTest.before
 var assert = require('assert')
 var Negotiator = require('..')
 
@@ -326,10 +329,12 @@ function whenAcceptCharset(acceptCharset, func) {
     : 'when Accept-Charset: ' + acceptCharset
 
   describe(description, function () {
+    var thisArg = {}
+
     before(function () {
-      this.negotiator = new Negotiator(createRequest({'Accept-Charset': acceptCharset}))
+      thisArg.negotiator = new Negotiator(createRequest({'Accept-Charset': acceptCharset}))
     })
 
-    func()
+    func.bind(thisArg)
   })
 }

test/encoding.js

@@ -1,4 +1,7 @@
-
+var nodeTest = require('node:test')
+var describe = nodeTest.describe
+var it = nodeTest.it
+var before = nodeTest.before
 var assert = require('assert')
 var Negotiator = require('..')
 
@@ -467,10 +470,12 @@ function whenAcceptEncoding(acceptEncoding, func) {
     : 'when Accept-Encoding: ' + acceptEncoding
 
   describe(description, function () {
+    var thisArg = {}
+
     before(function () {
-      this.negotiator = new Negotiator(createRequest({'Accept-Encoding': acceptEncoding}))
+      thisArg.negotiator = new Negotiator(createRequest({'Accept-Encoding': acceptEncoding}))
     })
 
-    func()
+    func.bind(thisArg)
   })
 }

test/language.js

@@ -1,4 +1,7 @@
-
+var nodeTest = require('node:test')
+var describe = nodeTest.describe
+var it = nodeTest.it
+var before = nodeTest.before
 var assert = require('assert')
 var Negotiator = require('..')
 
@@ -422,10 +425,12 @@ function whenAcceptLanguage(acceptLanguage, func) {
     : 'when Accept-Language: ' + acceptLanguage
 
   describe(description, function () {
+    var thisArg = {}
+
     before(function () {
-      this.negotiator = new Negotiator(createRequest({'Accept-Language': acceptLanguage}))
+      thisArg.negotiator = new Negotiator(createRequest({'Accept-Language': acceptLanguage}))
     })
 
-    func()
+    func.bind(thisArg)
   })
 }

test/mediaType.js

@@ -1,4 +1,7 @@
-
+var nodeTest = require('node:test')
+var describe = nodeTest.describe
+var it = nodeTest.it
+var before = nodeTest.before
 var assert = require('assert')
 var Negotiator = require('..')
 
@@ -490,10 +493,12 @@ function whenAccept(accept, func) {
     : 'when Accept: ' + accept
 
   describe(description, function () {
+    var thisArg = {}
+
     before(function () {
-      this.negotiator = Negotiator(createRequest({'Accept': accept}))
+      thisArg.negotiator = Negotiator(createRequest({ 'Accept': accept }))
     })
 
-    func()
+    func.bind(thisArg)
   })
 }