Move tests to Node.js built-in test runner

Author: ai

package.json

@@ -14,7 +14,7 @@
   "license": "MIT",
   "repository": "postcss/sugarss",
   "scripts": {
-    "unit": "uvu . '\\.test\\.js$'",
+    "unit": "node --test test/*.test.js",
     "test:coverage": "c8 pnpm unit",
     "test:lint": "eslint .",
     "test": "pnpm run /^test:/"
@@ -51,8 +51,7 @@
     "clean-publish": "^5.1.0",
     "eslint": "^9.14.0",
     "postcss": "^8.4.49",
-    "postcss-parser-tests": "^8.8.0",
-    "uvu": "^0.5.6"
+    "postcss-parser-tests": "^8.8.0"
   },
   "prettier": {
     "arrowParens": "avoid",

pnpm-lock.yaml

@@ -1,5 +1,5 @@
-let { test } = require('uvu')
-let { equal } = require('uvu/assert')
+let { deepStrictEqual } = require('node:assert')
+let { test } = require('node:test')
 
 let liner = require('../liner')
 
@@ -9,7 +9,7 @@ test('packs tokens by lines', () => {
     ['newline', '\n'],
     ['word', 'b']
   ]
-  equal(liner(tokens), [
+  deepStrictEqual(liner(tokens), [
     [
       ['word', 'a'],
       ['newline', '\n']
@@ -24,13 +24,11 @@ test('ignores newline inside brackets', () => {
     ['newline', '\n'],
     [')', ')']
   ]
-  equal(liner(tokens), [
+  deepStrictEqual(liner(tokens), [
     [
       ['(', '('],
       ['newline', '\n'],
       [')', ')']
     ]
   ])
 })
-
-test.run()

test/liner.test.js

@@ -1,8 +1,8 @@
+let { deepStrictEqual, equal, throws } = require('node:assert')
 let { readdirSync, readFileSync } = require('node:fs')
 let { extname, join } = require('node:path')
+let { test } = require('node:test')
 let { jsonify } = require('postcss-parser-tests')
-let { test } = require('uvu')
-let { equal, throws } = require('uvu/assert')
 
 let parse = require('../parse')
 
@@ -14,55 +14,55 @@ test('detects indent', () => {
 test('throws on first indent', () => {
   throws(() => {
     parse('  @charset "UTF-8"')
-  }, '<css input>:1:1: First line should not have indent')
+  }, /<css input>:1:1: First line should not have indent/)
 })
 
 test('throws on too big indent', () => {
   throws(() => {
     parse('@supports\n  @media\n      // test')
-  }, '<css input>:3:1: Expected 4 indent, but get 6')
+  }, /<css input>:3:1: Expected 4 indent, but get 6/)
 })
 
 test('throws on wrong indent step', () => {
   throws(() => {
     parse('@supports\n  @media\n @media')
-  }, '<css input>:3:1: Expected 0 or 2 indent, but get 1')
+  }, /<css input>:3:1: Expected 0 or 2 indent, but get 1/)
 })
 
 test('throws on decl without property', () => {
   throws(() => {
     parse(': black')
-  }, '<css input>:1:1: Declaration without name')
+  }, /<css input>:1:1: Declaration without name/)
 })
 
 test('throws on space between property', () => {
   throws(() => {
     parse('one two: black')
-  }, '<css input>:1:5: Unexpected separator in property')
+  }, /<css input>:1:5: Unexpected separator in property/)
 })
 
 test('throws on semicolon in declaration', () => {
   throws(() => {
     parse('a\n  color: black;')
-  }, '<css input>:2:15: Unnecessary semicolon')
+  }, /<css input>:2:15: Unnecessary semicolon/)
 })
 
 test('throws on semicolon in at-rule', () => {
   throws(() => {
     parse('@charset "UTF-8";')
-  }, '<css input>:1:17: Unnecessary semicolon')
+  }, /<css input>:1:17: Unnecessary semicolon/)
 })
 
 test('throws on curly in rule', () => {
   throws(() => {
     parse('a {\n  color: black')
-  }, '<css input>:1:3: Unnecessary curly bracket')
+  }, /<css input>:1:3: Unnecessary curly bracket/)
 })
 
 test('throws on curly in at-rule', () => {
   throws(() => {
     parse('@media (screen) {\n  color: black')
-  }, '<css input>:1:17: Unnecessary curly bracket')
+  }, /<css input>:1:17: Unnecessary curly bracket/)
 })
 
 test('keeps trailing spaces', () => {
@@ -90,7 +90,7 @@ test('generates correct source maps on trailing spaces', () => {
 })
 
 test('sets end position for root', () => {
-  equal(parse('a\n  b: 1\n').source.end, { column: 6, line: 2 })
+  deepStrictEqual(parse('a\n  b: 1\n').source.end, { column: 6, line: 2 })
 })
 
 let tests = readdirSync(join(__dirname, 'cases')).filter(
@@ -114,8 +114,6 @@ for (let name of tests) {
       }
     })
     equal(result.css, css)
-    equal(jsonify(root), JSON.parse(json.trim()))
+    deepStrictEqual(jsonify(root), JSON.parse(json.trim()))
   })
 }
-
-test.run()

test/parse.test.js

@@ -1,11 +1,11 @@
+let { deepStrictEqual, throws } = require('node:assert')
+let { test } = require('node:test')
 let { Input } = require('postcss')
-let { test } = require('uvu')
-let { equal, throws } = require('uvu/assert')
 
 let preprocess = require('../preprocess')
 
 function run(lines, result) {
-  equal(preprocess(new Input(''), lines), result)
+  deepStrictEqual(preprocess(new Input(''), lines), result)
 }
 
 let defaults = {
@@ -385,7 +385,7 @@ test('detects mixed tabs and spaces in indent', () => {
         ['word', 'ab']
       ]
     ])
-  }, '<css input>:1:2: Mixed tabs and spaces are not allowed')
+  }, /<css input>:1:2: Mixed tabs and spaces are not allowed/)
 })
 
 test('detects mixed tabs and spaces in indents', () => {
@@ -400,7 +400,7 @@ test('detects mixed tabs and spaces in indents', () => {
         ['word', 'ab']
       ]
     ])
-  }, '<css input>:2:1: Mixed tabs and spaces are not allowed')
+  }, /<css input>:2:1: Mixed tabs and spaces are not allowed/)
 })
 
 test('shows correct error position', () => {
@@ -421,7 +421,5 @@ test('shows correct error position', () => {
         ['newline', '\n', 4]
       ]
     ])
-  }, '<css input>:4:2: Mixed tabs and spaces are not allowed')
+  }, /<css input>:4:2: Mixed tabs and spaces are not allowed/)
 })
-
-test.run()

test/preprocess.test.js

@@ -1,7 +1,7 @@
+let { equal } = require('node:assert')
 let { readdirSync, readFileSync } = require('node:fs')
 let { extname, join } = require('node:path')
-let { test } = require('uvu')
-let { equal } = require('uvu/assert')
+let { test } = require('node:test')
 
 let parse = require('../parse')
 let stringify = require('../stringify')
@@ -32,5 +32,3 @@ for (let name of tests) {
     run(read(name))
   })
 }
-
-test.run()

test/stringify.test.js

@@ -1,5 +1,5 @@
-let { test } = require('uvu')
-let { equal } = require('uvu/assert')
+let { equal } = require('node:assert')
+let { test } = require('node:test')
 
 let sugarss = require('../')
 
@@ -10,5 +10,3 @@ test('has parse()', () => {
 test('has stringify()', () => {
   equal(typeof sugarss.stringify, 'function')
 })
-
-test.run()

test/sugarss.test.js

@@ -1,11 +1,11 @@
+let { deepStrictEqual } = require('node:assert')
+let { test } = require('node:test')
 let { Input } = require('postcss')
-let { test } = require('uvu')
-let { equal } = require('uvu/assert')
 
 let tokenize = require('../tokenize')
 
 function run(css, tokens) {
-  equal(tokenize(new Input(css)), tokens)
+  deepStrictEqual(tokenize(new Input(css)), tokens)
 }
 
 test('tokenizes inine comments', () => {