npm install karma-cli -g
npm install karma jasmine-core karma-jasmine karma-phantomjs-launcher -D

karma init

myKarmDemo karma init
Which testing framework do you want to use ?
Press tab to list possible options. Enter to move to the next question.
> jasmine
Do you want to use Require.js ?
This will add Require.js plugin.
Press tab to list possible options. Enter to move to the next question.
> no
Do you want to capture any browsers automatically ?
Press tab to list possible options. Enter empty string to move to the next question.
> PhantomJS
What is the location of your source and test files ?
You can use glob patterns, eg. "js/*.js" or "test/**/*Spec.js".
Enter empty string to move to the next question.
>
Should any of the files included by the previous patterns be excluded ?
You can use glob patterns, eg. "**/*.swp".
Enter empty string to move to the next question.
>
Do you want Karma to watch all the files and run the tests on change ?
Press tab to list possible options.
> no
Config file generated at "/home/charley/Desktop/myKarmDemo/karma.conf.js".

// Karma configuration
// Generated on Sun Oct 29 2017 21:45:27 GMT+0800 (CST)
module.exports = function(config) {config.set({// base path that will be used to resolve all patterns (eg. files, exclude)basePath: '',// frameworks to use// available frameworks: https://npmjs.org/browse/keyword/karma-adapterframeworks: ['jasmine'],// list of files / patterns to load in the browserfiles: ["./src/**/*.js","./test/**/*.spec.js",],
// list of files to excludeexclude: [],
// preprocess matching files before serving them to the browser// available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessorpreprocessors: {},
// test results reporter to use// possible values: 'dots', 'progress'// available reporters: https://npmjs.org/browse/keyword/karma-reporterreporters: ['progress'],
// web server portport: 9876,
// enable / disable colors in the output (reporters and logs)colors: true,
// level of logging// possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUGlogLevel: config.LOG_INFO,
// enable / disable watching file and executing tests whenever any file changesautoWatch: false,// start these browsers// available browser launchers: https://npmjs.org/browse/keyword/karma-launcherbrowsers: ['PhantomJS'],// Continuous Integration mode// if true, Karma captures browsers, runs the tests and exitssingleRun: true,// Concurrency level// how many browser should be started simultaneousconcurrency: Infinity})
}

// 加法函数
function add(x){return function(y){return x + y;}
}
// 乘法函数
function multi(x){return function(y){return x * y + 1;}
}

describe("运算功能单元测试",function(){it("加法函数测试",function(){var add5 = add(5)expect(add5(5)).toBe(10)});
it("乘法函数测试",function(){var multi5 = multi(5)expect(multi5(5)).toBe(25)})
})

myKarmDemo karma start
29 10 2017 22:21:56.283:INFO [karma]: Karma v1.7.1 server started at http://0.0.0.0:9876/
29 10 2017 22:21:56.287:INFO [launcher]: Launching browser PhantomJS with unlimited concurrency
29 10 2017 22:21:56.294:INFO [launcher]: Starting browser PhantomJS
29 10 2017 22:21:56.549:INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket 0h6boaepSUMwG7l2AAAA with id 44948955
PhantomJS 2.1.1 (Linux 0.0.0) 运算功能单元测试 乘法函数测试 FAILEDExpected 26 to be 25.test/index.spec.js:9:31
PhantomJS 2.1.1 (Linux 0.0.0): Executed 2 of 2 (1 FAILED) (0.048 secs / 0.002 secs)

29 10 2017 22:23:08.670:INFO [karma]: Karma v1.7.1 server started at http://0.0.0.0:9876/
29 10 2017 22:23:08.673:INFO [launcher]: Launching browser PhantomJS with unlimited concurrency
29 10 2017 22:23:08.685:INFO [launcher]: Starting browser PhantomJS
29 10 2017 22:23:08.940:INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket pl_pZDcAK4rBTpr0AAAA with id 40770640
PhantomJS 2.1.1 (Linux 0.0.0): Executed 2 of 2 SUCCESS (0.045 secs / 0.001 secs)