feat: tests

Author: HitkoDev

.mocharc.json

@@ -0,0 +1,13 @@
+{
+  "diff": true,
+  "opts": false,
+  "package": "./package.json",
+  "reporter": "spec",
+  "slow": 75,
+  "timeout": 0,
+  "ui": "bdd",
+  "require": "./test/register.cjs",
+  "recursive": true,
+  "watch-files": ["./src/**/*.ts"],
+  "spec": "src/**/*.test.ts"
+}

.prettierrc.cjs

@@ -0,0 +1,7 @@
+module.exports = {
+  semi: true,
+  trailingComma: "none",
+  singleQuote: false,
+  printWidth: 120,
+  tabWidth: 2
+};

eslint.config.js

@@ -1,17 +1,15 @@
 // @ts-check
 
 import eslint from "@eslint/js";
-import jest from "eslint-plugin-jest";
 import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
 import tseslint from "typescript-eslint";
 
 export default tseslint.config(
   {
-    ignores: ["lib", "node_modules", "coverage", "docs"],
+    ignores: ["lib", "node_modules", "coverage", "docs"]
   },
   eslint.configs.recommended,
   eslintPluginPrettierRecommended,
-  jest.configs["flat/recommended"],
   ...tseslint.configs.recommended,
   tseslint.configs.eslintRecommended,
   {
@@ -25,10 +23,10 @@ export default tseslint.config(
           caughtErrorsIgnorePattern: "^_",
           destructuredArrayIgnorePattern: "^_",
           varsIgnorePattern: "^_",
-          ignoreRestSiblings: true,
-        },
+          ignoreRestSiblings: true
+        }
       ],
-      "no-undef": "off",
-    },
-  },
+      "no-undef": "off"
+    }
+  }
 );

jest.config.js

@@ -38,31 +38,35 @@
     "lib"
   ],
   "devDependencies": {
+    "@commitlint/cli": "^19.5.0",
+    "@commitlint/config-conventional": "^19.5.0",
     "@eslint/js": "^9.12.0",
+    "@testdeck/mocha": "^0.3.3",
+    "@types/chai": "^5.0.0",
     "@types/eslint__js": "^8.42.3",
-    "@types/jest": "^29.5.13",
-    "@types/jsdom": "^21.1.7",
+    "@types/mocha": "^10.0.9",
     "@types/node": "<21.0.0",
-    "@types/sharp": "^0.32.0",
+    "@types/source-map-support": "^0.5.10",
+    "chai": "^5.1.1",
     "clean-package": "^2.2.0",
     "eslint": "^9.12.0",
     "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-jest": "^28.8.3",
     "eslint-plugin-prettier": "^5.2.1",
     "husky": "^9.1.6",
-    "jest": "^29.7.0",
+    "mocha": "^10.7.3",
     "npm-check-updates": "^17.1.4",
     "prettier": "^3.3.3",
     "rimraf": "^6.0.1",
+    "source-map-support": "^0.5.21",
     "standard-version": "^9.5.0",
-    "ts-jest": "^29.2.5",
+    "ts-node": "^10.9.2",
     "typedoc": "^0.26.10",
     "typescript": "^5.6.3",
     "typescript-eslint": "^8.10.0"
   },
   "scripts": {
     "build": "rimraf lib && tsc",
-    "test": "jest",
+    "test": "mocha -p",
     "lint": "prettier -w . && eslint . --fix",
     "prepublishOnly": "npm run build",
     "prepare": "husky",

package.json

@@ -163,12 +163,7 @@ export class GIFImage {
     out.writeByte((i >>> 8) & 0xff);
   }
 
-  private writeBytes(
-    out: OutputStream,
-    bytes: number[],
-    off: number,
-    len: number,
-  ) {
+  private writeBytes(out: OutputStream, bytes: number[], off: number, len: number) {
     for (let i = 0; i < len; i += 1) {
       out.writeByte(bytes[i + off]);
     }

src/image/GIFImage.ts

@@ -30,9 +30,7 @@ export class Base64 {
   public static decode(data: number[]): number[] {
     const bout = new ByteArrayOutputStream();
     try {
-      const istream = new Base64DecodeInputStream(
-        new ByteArrayInputStream(data),
-      );
+      const istream = new Base64DecodeInputStream(new ByteArrayInputStream(data));
       try {
         let b: number;
         while ((b = istream.readByte()) != -1) {

src/io/Base64.ts

@@ -40,12 +40,7 @@ export class Base64DecodeInputStream extends InputStream {
   }
 
   private static isWhitespace(c: number): boolean {
-    return (
-      c == "\v".charCodeAt(0) ||
-      c == "\t".charCodeAt(0) ||
-      c == "\r".charCodeAt(0) ||
-      c == "\n".charCodeAt(0)
-    );
+    return c == "\v".charCodeAt(0) || c == "\t".charCodeAt(0) || c == "\r".charCodeAt(0) || c == "\n".charCodeAt(0);
   }
 
   private static decode(c: number): number {

src/io/Base64DecodeInputStream.ts

@@ -1,15 +1,19 @@
+import { suite, test } from "@testdeck/mocha";
+import { expect } from "chai";
 import * as index from "./qr-code.js";
 
-describe("Index", () => {
-  it.each([
-    "ErrorCorrectionLevel",
-    "Mode",
-    "QRCode",
-    "QRCodeMinimal",
-    "QRUtil",
-    "stringToBytes_SJIS",
-    "stringToBytes_UTF8",
-  ])("The module should export certain submodules", (moduleName) => {
-    expect(Object.keys(index)).toContain(moduleName);
-  });
-});
+@suite("Index")
+export class IndexTest {
+  @test("The module should export certain submodules")
+  exportsAll() {
+    [
+      "ErrorCorrectionLevel",
+      "Mode",
+      "QRCode",
+      "QRCodeMinimal",
+      "QRUtil",
+      "stringToBytes_SJIS",
+      "stringToBytes_UTF8"
+    ].forEach((moduleName) => expect(Object.keys(index)).to.contain(moduleName));
+  }
+}

src/qr-code.test.ts

@@ -1,10 +1,22 @@
+//---------------------------------------------------------------------
+//
+// QR Code Generator for TypeScript
+//
+// Copyright (c) 2015 Kazuhiko Arase
+//
+// URL: http://www.d-project.com/
+//
+// Licensed under the MIT license:
+//  http://www.opensource.org/licenses/mit-license.php
+//
+// The word 'QR Code' is registered trademark of
+// DENSO WAVE INCORPORATED
+//  http://www.denso-wave.com/qrcode/faqpatent-e.html
+//
+//---------------------------------------------------------------------
+
 export { QRCode } from "./qrcode/QRCode.js";
-export {
-  ErrorCorrectionLevel,
-  Mode,
-  QRCodeMinimal,
-  TypeNumber,
-} from "./qrcode/QRCodeMinimal.js";
+export { ErrorCorrectionLevel, Mode, QRCodeMinimal, TypeNumber } from "./qrcode/QRCodeMinimal.js";
 export { QRUtil } from "./qrcode/QRUtil.js";
 export { stringToBytes_SJIS } from "./text/stringToBytes_SJIS.js";
 export { stringToBytes_UTF8 } from "./text/stringToBytes_UTF8.js";