chore: about jest

.eslintrc.js

@@ -3,9 +3,11 @@ const eslintrc = {
   extends: [
     'eslint:recommended',
     'plugin:@typescript-eslint/recommended',
+    'plugin:jest/recommended',
   ],
   plugins: [
     '@typescript-eslint',
+    'jest',
   ],
   env: {
     browser: true,
@@ -43,6 +45,8 @@ const eslintrc = {
     }], // 成员分隔符
     '@typescript-eslint/semi': ['error', 'never'],
 
+    'jest/expect-expect': ["off"],
+
     'space-infix-ops': ['error'],
     'comma-dangle': ['error', {
       'arrays': 'always-multiline',

jest.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+}

package.json

@@ -14,20 +14,25 @@
   },
   "homepage": "https://github.com/simonwong/fly-helper#readme",
   "scripts": {
+    "test": "jest --coverage --verbose -u",
     "lint": "eslint --ext .js,.ts ./src",
     "lint:fix": "eslint --fix --ext .js,.ts ./src"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.7.7",
+    "@types/jest": "^24.0.24",
     "@typescript-eslint/eslint-plugin": "^2.13.0",
     "@typescript-eslint/parser": "^2.13.0",
     "eslint": "^6.8.0",
+    "eslint-plugin-jest": "^23.1.1",
+    "jest": "^24.9.0",
     "rollup": "^1.27.14",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-eslint": "^7.0.0",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-typescript2": "^0.25.3",
+    "ts-jest": "^24.2.0",
     "typescript": "^3.7.4"
   },
   "dependencies": {

src/index.ts

@@ -1,3 +1,3 @@
-export default function myFirstFunc () {
-  return 'hello rollup'
+export default function myFirstFunc (str: string) {
+  return `hello ${str}`
 }

test/index.test.ts

@@ -0,0 +1,13 @@
+import assert from 'assert'
+import myFirstFunc from '../src'
+
+describe('validate:', () => {
+  /**
+   * myFirstFunc
+   */
+  describe('myFirstFunc', () => {
+    test(' return hello rollup ', () => {
+      assert.strictEqual(myFirstFunc('rollup'), 'hello rollup')
+    })
+  })
+})