karma.conf.js

// Karma configuration
// Generated on Mon Aug 22 2016 21:02:26 GMT-0500 (CDT)

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-adapter
    frameworks: ['jasmine'],


    // list of files / patterns to load in the browser
    files: [
      {pattern:"http://d3js.org/d3.v3.min.js"},
      {pattern:"https://d3js.org/d3-collection.v1.min.js"},
      {pattern:'_src/js/*'},
      {pattern:'_test/**'}
    ],


    // list of files to exclude
    exclude: [
      "*.*~"
    ],


    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
    },


    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ['progress'],


    // web server port
    port: 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_DEBUG
    logLevel: config.LOG_INFO,


    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: true,


    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ['Chrome', 'Firefox' ],

    customLaunchers: {
        Chrome_travis_ci: {
            base: 'Chrome',
            flags: ['--no-sandbox']
        }
    },

    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: false,

    // Concurrency level
    // how many browser should be started simultaneous
    concurrency: Infinity
  })

  if (process.env.TRAVIS) {
    config.browsers = ['Firefox', 'Chrome_travis_ci']
    config.singleRun = true
  }
}