12 | > npm init> npm install --save-dev mocha //开发者模式下有效，不会部署到服务器上 |
1234567891011121314 | { "name": "testapplication", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "test": "mocha **/*.test.js" }, "author": "", "license": "ISC", "devDependencies": { "mocha": "^5.2.0" }} |
12345678910 | let add = (a,b)=>a+b;it("test add",()=>{ var res = add(11,22); if(res!=33){ throw new Error(`Expected 33 ,but got ${res}`) }}); |
1 | > npm test |
返回：
1234567 | > mocha **/*.test.js ✓ test add 1 passing (4ms) |
12345678910 | let add = (a,b)=>a+b;it("test add",()=>{ var res = add(11,55); if(res!=33){ throw new Error(`Expected 33 ,but got ${res}`) }}); |
返回：
123456789101112131415 | > testapplication@1.0.0 test /Users/jackson/Desktop/testApplication> mocha **/*.test.js 1) test add 0 passing (4ms) 1 failing 1) test add: Error: Expected 33 ,but got 66 at Context.it (add.test.js:8:15)npm ERR! Test failed. See above for more details. |
12 | > npm install --save-dev nodemon> nodemon --exec "npm test" |
package.json:
123456789101112131415 | { "name": "testapplication", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "test": "mocha **/*.test.js", "test-watch": "nodemon --exec \"npm test\"" }, "author": "", "license": "ISC", "devDependencies": { "mocha": "^5.2.0" }} |
执行：
1 | >npm run test-watch |
本文链接： https://dreamerjonson.com/2018/12/01/node-33-test-app/
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