nodejs渐入佳境[33]-mocha测试与自动测试
服务端
2018-12-04 00:30:47
阅读次数: 0
mocha
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> npm init
> npm install --save-dev mocha //开发者模式下有效，不会部署到服务器上
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package.json
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{
"name": "testapplication",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "mocha **/*.test.js"
},
"author": "",
"license": "ISC",
"devDependencies": {
"mocha": "^5.2.0"
}
}
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测试文件
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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}`)
}
});
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测试
返回：
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> mocha **/*.test.js
✓ test add
1 passing (4ms)
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修改并测试
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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}`)
}
});
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返回：
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> [email protected] 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.
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自动测试
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> npm install --save-dev nodemon
> nodemon --exec "npm test"
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添加到脚本中
package.json:
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{
"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"
}
}
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执行：
转载自blog.51cto.com/13784902/2325644