karma 前端单元测试工具

支持es6的语法检测及其覆盖率

• npm install karma-coverage-istanbul-instrumenter karma-coverage-istanbul-reporter -D

• karma.conf.js

  preprocessors: {
      'webapp/controller/*.js': ['karma-coverage-istanbul-instrumenter'] // 可以识别这些文件的es6语法
  },
  coverageIstanbulInstrumenter: {
      esModules: false
  },
  reporters: ['progress', 'coverage-istanbul'],
  coverageIstanbulReporter: {
      dir: './target/coverage',
      includeAllSources: true,
      // 生成的是xml，cobertura改为html将生成html文件的覆盖率报告
      reports: ['cobertura', 'lcovonly', 'text-summary'] 
  },
  plugins: ['karma-*']