karma.conf.js

/* eslint-disable max-len */

import webpackConfig from './webpack.config.babel';

export default (config) => {
	const configuration = {

		// base path that will be used to resolve all patterns (eg. files, exclude)
		basePath: 'test',


		// frameworks to use
		// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
		frameworks: ['mocha'],


		// list of files / patterns to load in the browser
		files: [
			'index.html',
			'index.js',
		],


		// 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: {
			'index.js': ['webpack'],
			'index.html': ['html2js'],
		},


		webpack: {
			...webpackConfig,
			entry: {
				index: './src/index.js',
			},
		},

		webpackMiddleware: { stats: 'errors-only' },


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


		// 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_ERROR,


		// 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'],

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


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

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

	if (process.env.TRAVIS) {
		configuration.browsers = ['Chrome_travis_ci'];
	}

	config.set(configuration);
};