refactor: migrate tests to modern ES modules and node:test framework for improved consistency and maintainability

Author: erikyo

.eslintrc.json

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [ 18, 20 ]
+        node: [ 20, latest ]
         os:
           - ubuntu-latest
           - windows-latest

.github/workflows/ci.yml

@@ -1,104 +1,28 @@
 import { promisify } from 'node:util';
 import path from 'node:path';
-import { mo } from '../src/index.js';
+import { mo } from '../lib/index.mjs';
 import { readFile as fsReadFile } from 'node:fs';
 import { fileURLToPath } from 'node:url';
-import * as chai from 'chai';
+import { describe, test } from 'node:test';
+import assert from 'node:assert';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 const readFile = promisify(fsReadFile);
 
-const expect = chai.expect;
-
-const littleEndianMagic = [0xde, 0x12, 0x04, 0x95];
-const bigEndianMagic = [0x95, 0x04, 0x12, 0xde];
-
-chai.config.includeStack = true;
-
 describe('MO Compiler', () => {
-  describe('UTF-8 LE', async () => {
-    it('should compile', async () => {
+  describe('UTF-8', () => {
+    test('should compile', async () => {
       const [json, moData] = await Promise.all([
         readFile(path.join(__dirname, 'fixtures/utf8-po.json'), 'utf8'),
-        readFile(path.join(__dirname, 'fixtures/utf8-le.mo'))
+        readFile(path.join(__dirname, 'fixtures/utf8.mo'))
       ]);
 
       const compiled = mo.compile(JSON.parse(json));
 
-      expect(compiled.toString('utf8')).to.deep.equal(moData.toString('utf8'));
-    });
-
-    it('should have the correct magic number', async () => {
-      const json = await readFile(path.join(__dirname, 'fixtures/utf8-po.json'), 'utf8');
-
-      const compiled = mo.compile(JSON.parse(json));
-
-      expect(Array.from(compiled.subarray(0, 4))).to.eql(littleEndianMagic);
-    });
-  });
-
-  describe('UTF-8 BE', () => {
-    it('should compile', async () => {
-      const [json, moData] = await Promise.all([
-        readFile(path.join(__dirname, 'fixtures/utf8-po.json'), 'utf8'),
-        readFile(path.join(__dirname, 'fixtures/utf8-be.mo'))
-      ]);
-
-      const compiled = mo.compile(JSON.parse(json), { endian: 'be' });
-
-      expect(compiled.toString('utf8')).to.deep.equal(moData.toString('utf8'));
-    });
-
-    it('should have the correct magic number', async () => {
-      const json = await readFile(path.join(__dirname, 'fixtures/utf8-po.json'), 'utf8');
-
-      const compiled = mo.compile(JSON.parse(json), { endian: 'be' });
-
-      expect(Array.from(compiled.subarray(0, 4))).to.eql(bigEndianMagic);
+      assert.deepStrictEqual(compiled.toString('utf8'), moData.toString('utf8'));
     });
   });
 
-  describe('Latin-13 LE', () => {
-    it('should compile', async () => {
-      const [json, moData] = await Promise.all([
-        readFile(path.join(__dirname, 'fixtures/latin13-po.json'), 'utf8'),
-        readFile(path.join(__dirname, 'fixtures/latin13-le.mo'))
-      ]);
-
-      const compiled = mo.compile(JSON.parse(json));
-
-      expect(compiled.toString('utf8')).to.equal(moData.toString('utf8'));
-    });
-
-    it('should have the correct magic number', async () => {
-      const json = await readFile(path.join(__dirname, 'fixtures/latin13-po.json'), 'utf8');
-
-      const compiled = mo.compile(JSON.parse(json));
-
-      expect(Array.from(compiled.subarray(0, 4))).to.eql(littleEndianMagic);
-    });
-  });
-
-  describe('Latin-13 BE', () => {
-    it('should compile', async () => {
-      const [json, moData] = await Promise.all([
-        readFile(path.join(__dirname, 'fixtures/latin13-po.json'), 'utf8'),
-        readFile(path.join(__dirname, 'fixtures/latin13-be.mo'))
-      ]);
-
-      const compiled = mo.compile(JSON.parse(json), { endian: 'be' });
-
-      expect(compiled.toString('utf8')).to.equal(moData.toString('utf8'));
-    });
-
-    it('should have the correct magic number', async () => {
-      const json = await readFile(path.join(__dirname, 'fixtures/latin13-po.json'), 'utf8');
-
-      const compiled = mo.compile(JSON.parse(json), { endian: 'be' });
-
-      expect(Array.from(compiled.subarray(0, 4))).to.eql(bigEndianMagic);
-    });
-  });
 });