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