karma.conf.js

/* eslint-env node */
/* eslint max-len: 0 */

var commonConfig = require('./karma-conf.common.js');

module.exports = function(config) {
    commonConfig(config); // apply shared configuration
    config.set({
        // Preprocess so we can gather coverage
        preprocessors: {
            'src/**/*.js': ['coverage']
        },

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

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

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

        // optionally, configure the reporter
        coverageReporter: {
            dir: 'coverage/',
            type: 'json'
        }
    });
};