karma.conf.js

module.exports = function(config) {
  config.set({

    // base path, that will be used to resolve files and exclude
    basePath: '',

    // list of files / patterns to load in the browser
    files: [
      'bower_components/underscore/underscore.js',
      'bower_components/backbone/backbone.js',
      'backbone-filtered-collection.js',
      'bower_components/chai/chai.js',
      'test/**/*.js'
    ],

    frameworks: ["mocha"],

    // use dots reporter, as travis terminal does not support escaping sequences
    // possible values: 'dots', 'progress', 'junit', 'teamcity'
    // CLI --reporters progress
    reporters: ['dots'],

    // web server port
    // CLI --port 9876
    port: 9876,

    // cli runner port
    // CLI --runner-port 9100
    runnerPort: 9100,

    // enable / disable colors in the output (reporters and logs)
    // CLI --colors --no-colors
    colors: true,

    // level of logging
    // possible values: LOG_DISABLE || LOG_ERROR || LOG_WARN || LOG_INFO || LOG_DEBUG
    // CLI --log-level debug
    logLevel: config.LOG_INFO,

    // enable / disable watching file and executing tests whenever any file changes
    // CLI --auto-watch --no-auto-watch
    autoWatch: true,

    // Start these browsers, currently available:
    // - Chrome
    // - ChromeCanary
    // - Firefox
    // - Opera
    // - Safari (only Mac)
    // - PhantomJS
    // - IE (only Windows)
    // CLI --browsers Chrome,Firefox,Safari
    browsers: [ process.env.TRAVIS ? 'Firefox' : 'Chrome' ],

    // If browser does not capture in given timeout [ms], kill it
    // CLI --capture-timeout 5000
    captureTimeout: 5000,

    // Auto run tests on start (when browsers are captured) and exit
    // CLI --single-run --no-single-run
    singleRun: false,

    // report which specs are slower than 500ms
    // CLI --report-slower-than 500
    reportSlowerThan: 500,

    plugins: [
      'karma-mocha',
      'karma-firefox-launcher'
    ]

  });
};