Merge pull request #36 from x-govuk/node-test

Use Node test runner

package.json

@@ -25,9 +25,8 @@
   },
   "scripts": {
     "lint": "standard && stylelint 'x-govuk/**/*.scss'",
-    "test": "mocha",
-    "test:watch": "mocha --watch",
-    "coverage": "c8 mocha"
+    "test": "node --test",
+    "coverage": "node --test --experimental-test-coverage"
   },
   "publishConfig": {
     "access": "public"
@@ -36,10 +35,8 @@
     "highlight.js": "^11.5.0"
   },
   "devDependencies": {
-    "c8": "^7.11.0",
     "markdown-it": "^13.0.1",
     "markdown-it-testgen": "^0.1.6",
-    "mocha": "^10.0.0",
     "standard": "^17.0.0",
     "stylelint": "^14.6.1",
     "stylelint-config-gds": "^0.2.0"
@@ -57,12 +54,6 @@
       "require": "./lib/highlight.js"
     }
   },
-  "c8": {
-    "reporter": [
-      "text",
-      "lcovonly"
-    ]
-  },
   "stylelint": {
     "extends": "stylelint-config-gds/scss"
   }

test/fixtures/govuk.txt

@@ -1,3 +1,7 @@
+---
+desc: Converts Markdown into GOV.UK Frontend-compliant HTML
+---
+
 .
 # Heading 1
 .

test/fixtures/option-calvert-fractions.txt

@@ -1,3 +1,7 @@
+---
+desc: Improves typography (fractions only)
+---
+
 .
 1/2 2/3
 .

test/fixtures/option-calvert-guillemets.txt

@@ -1,3 +1,7 @@
+---
+desc: Improves typography (guillemets only)
+---
+
 .
 1/2 2/3
 .

test/fixtures/option-calvert-mathematical.txt

@@ -1,3 +1,7 @@
+---
+desc: Improves typography (mathematical symbols only)
+---
+
 .
 1/2 2/3
 .

test/fixtures/option-calvert.txt

@@ -1,3 +1,7 @@
+---
+desc: Improves all typography
+---
+
 .
 1/2 2/3
 .

test/fixtures/option-heading-starts-with.txt

@@ -1,3 +1,7 @@
+---
+desc: Starts headings with xl size
+---
+
 .
 # Heading 1
 .

test/test.js

@@ -1,48 +1,36 @@
-const { describe } = require('mocha')
+const assert = require('node:assert')
+const { it, describe } = require('node:test')
 const testGenerator = require('markdown-it-testgen')
+const markdownIt = require('markdown-it')
 
-describe('Converts Markdown into GOV.UK Frontend-compliant HTML', () => {
-  const md = require('markdown-it')().use(require('../index.js'))
+// `testGenerator` uses Mocha internally, but we’re using node:test
+global.describe = describe
+global.it = it
 
-  testGenerator('./test/fixtures/govuk.txt', md)
-})
-
-describe('Starts headings with xl size', () => {
-  const md = require('markdown-it')().use(require('../index.js'), {
-    headingsStartWith: 'xl'
-  })
+const testMarkdown = (path, options = {}) => {
+  const md = markdownIt().use(require('../index.js'), options)
 
-  testGenerator('./test/fixtures/option-heading-starts-with.txt', md)
-})
+  testGenerator(path, { assert }, md)
+}
 
-describe('Improves all typography', () => {
-  const md = require('markdown-it')().use(require('../index.js'), {
-    calvert: true
-  })
+testMarkdown('./test/fixtures/govuk.txt')
 
-  testGenerator('./test/fixtures/option-calvert.txt', md)
+testMarkdown('./test/fixtures/option-heading-starts-with.txt', {
+  headingsStartWith: 'xl'
 })
 
-describe('Improves typography (fractions only)', () => {
-  const md = require('markdown-it')().use(require('../index.js'), {
-    calvert: ['fractions']
-  })
-
-  testGenerator('./test/fixtures/option-calvert-fractions.txt', md)
+testMarkdown('./test/fixtures/option-calvert.txt', {
+  calvert: true
 })
 
-describe('Improves typography (guillemets only)', () => {
-  const md = require('markdown-it')().use(require('../index.js'), {
-    calvert: ['guillemets']
-  })
-
-  testGenerator('./test/fixtures/option-calvert-guillemets.txt', md)
+testMarkdown('./test/fixtures/option-calvert-fractions.txt', {
+  calvert: ['fractions']
 })
 
-describe('Improves typography (mathematical symbols only)', () => {
-  const md = require('markdown-it')().use(require('../index.js'), {
-    calvert: ['mathematical']
-  })
+testMarkdown('./test/fixtures/option-calvert-guillemets.txt', {
+  calvert: ['guillemets']
+})
 
-  testGenerator('./test/fixtures/option-calvert-mathematical.txt', md)
+testMarkdown('./test/fixtures/option-calvert-mathematical.txt', {
+  calvert: ['mathematical']
 })