chore: add jest test

Author: DIYgod

.gitignore

@@ -8,4 +8,5 @@ dist
 logs
 storage
 .env
-.cache
+.cache
+coverage

jest.config.ts

@@ -0,0 +1,9 @@
+export default {
+    clearMocks: true,
+    collectCoverage: true,
+    coverageDirectory: 'coverage',
+    testRegex: '(/test/.*|(\\.|/)(test|spec))\\.[jt]sx?$',
+    transform: {
+        '^.+\\.(ts|tsx)?$': 'ts-jest',
+    },
+};

package.json

@@ -11,7 +11,8 @@
     "scripts": {
         "dev": "webpack serve --mode development",
         "build": "ttsc",
-        "prepare": "husky install"
+        "prepare": "husky install",
+        "test": "jest"
     },
     "lint-staged": {
         "**/*": "prettier --write --ignore-unknown"
@@ -45,12 +46,16 @@
         "@babel/preset-env": "7.14.2",
         "@babel/preset-typescript": "7.14.5",
         "@types/crypto-js": "4.0.2",
+        "@types/jest": "27.0.3",
         "@types/js-cookie": "2.2.7",
         "babel-loader": "8.2.2",
         "husky": "6.0.0",
+        "jest": "27.3.1",
         "lint-staged": "11.0.0",
         "prettier": "2.3.0",
+        "ts-jest": "27.0.7",
         "ts-loader": "9.2.1",
+        "ts-node": "10.4.0",
         "ttypescript": "1.5.12",
         "typescript": "4.2.4",
         "webpack": "5.37.1",

test/utils/check.ts

@@ -0,0 +1,17 @@
+import check from '../../src/utils/check';
+import config from '../../src/config';
+
+test('check.valueLength', () => {
+    expect(
+        check.valueLength({
+            test1: 'r',
+            test2: 'r'.repeat(config.maxValueLength),
+        }),
+    ).toBe(true);
+    expect(
+        check.valueLength({
+            test1: 'r',
+            test2: 'r'.repeat(config.maxValueLength + 1),
+        }),
+    ).toBe(false);
+});