// Karma configuration

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: ['browserify', 'mocha'],

        // list of files / patterns to load in the browser
        files: [
            'mopidy_musicbox_webclient/static/vendors/**/*.js',
            // TODO: can remove the next line once JavaScript codebase has been modularized.
            'mopidy_musicbox_webclient/static/js/**/*.js',
            'tests/**/test_*.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: {
            'tests/**/test_*.js': [ 'browserify' ],
            'mopidy_musicbox_webclient/static/js/**/*.js': ['coverage']
        },

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

        // 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: false,

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

        // 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,

        // add additional browserify configuration properties here
        // such as transform and/or debug=true to generate source maps
        browserify: {
            debug: true,
            transform: [
                'babelify',
                ['browserify-istanbul', { instrumenter: require('isparta') }]
            ]
        },

        coverageReporter: {
            // specify a common output directory
            dir: '.karma_coverage/',
            reporters: [
                { type: 'lcov', subdir: '.' },
                { type: 'text' }
            ]
        }
    })
}