karma.conf.js

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

        basePath: '.',

        frameworks: ['jasmine'],

        files: [
            // paths loaded by Karma
            {pattern: 'node_modules/angular2/bundles/angular2-polyfills.js', included: true, watched: true},
            {pattern: 'node_modules/systemjs/dist/system.src.js', included: true, watched: true},
            {pattern: 'node_modules/rxjs/bundles/Rx.js', included: true, watched: true},
            {pattern: 'node_modules/angular2/bundles/angular2.dev.js', included: true, watched: true},
            {pattern: 'node_modules/angular2/bundles/http.dev.js', included: true, watched: true},
            {pattern: 'node_modules/angular2/bundles/router.dev.js', included: true, watched: true},
            {pattern: 'node_modules/angular2/bundles/testing.dev.js', included: true, watched: true},
            {pattern: 'karma-test-shim.js', included: true, watched: true},

            // paths loaded via module imports
            {pattern: 'app/**/*.js', included: false, watched: true},
            {pattern: 'app/**/*.html', included: false, watched: true},

            // paths to support debugging with source maps in dev tools
            {pattern: 'app/**/*.ts', included: false, watched: false},
            {pattern: 'app/**/*.js.map', included: false, watched: false},
            {pattern: 'app/**/*.css', included: false, watched: false}
        ],

        // proxied base paths
        proxies: {
            // required for component assests fetched by Angular's compiler
            '/app/': '/base/app/'
        },

        port: 9876,

        logLevel: config.LOG_INFO,

        colors: true,

        autoWatch: true,

        singleRun: true,

        browsers: ['Chrome'],

        // Karma plugins loaded
        plugins: [
            'karma-jasmine',
            'karma-coverage',
            'karma-remap-istanbul',
            'karma-chrome-launcher'
        ],

        // Coverage reporter generates the coverage
        reporters: ['progress', 'coverage', 'karma-remap-istanbul'],

        // Source files that you wanna generate coverage for.
        // Do not include tests or libraries (these files will be instrumented by Istanbul)
        preprocessors: {
            'app/**/!(*spec).js': ['coverage']
        },

        coverageReporter: {
            dir: 'coverage/',
            reporters: [
                { type: 'json', subdir: '.', file: 'report.json' }
            ]
        },
        remapIstanbulReporter: {
            src: 'coverage/report.json',
            reports: {
                html: 'coverage/html-report'
            },
            timeoutNotCreated: 1000, // default value
            timeoutNoMoreFiles: 1000 // default value
        }
    })
};