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: ['mocha'],

        plugins: [
            'karma-webpack',
            'karma-sourcemap-loader',
            'karma-mocha',
            'karma-chrome-launcher',
            'karma-firefox-launcher',
            'karma-phantomjs-launcher'
        ],

        // list of files / patterns to load in the browser
        files: [
            'test/*-specs.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: {
            'test/*-specs.js': ['webpack', 'sourcemap']
        },

        webpack: {
            output: {
                filename: 'test.js'
            },
            bail: true,
            cache: false,
            devtool: 'inline-source-map',
            //Sinon workaround for webpack see: https://github.com/webpack/webpack/issues/304
            module: {
                noParse: [
                    /\/sinon\.js/
                ],
                preLoaders: [
                    {test: /\.js$/, loader: "eslint-loader", exclude: /node_modules/}
                ]
            },
            resolve: {
                alias: {
                    sinon: 'sinon/pkg/sinon'
                }
            }
        },

        webpackMiddleware: {
            noInfo: true
        },

        // 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_WARN,


        // 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', 'PhantomJS'],


        // 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
    })
};
