karma.conf.js

// Karma configuration
// Generated on Fri Jul 03 2020 20:15:52 GMT+0700 (Western Indonesia Time)
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: ['jasmine'],

        // list of files / patterns to load in the browser
        files: [
            'specs/**/*Spec.js',
        ],

        // list of files / patterns to exclude
        exclude: [],

        // preprocess matching files before serving them to the browser
        // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
        preprocessors: {
            'specs/**/*Spec.js': ['webpack', 'sourcemap'],
        },

        webpack: {
            // karma watches the test entry points
            // (you don't need to specify the entry option)
            // webpack watches dependencies
            // webpack configuration
            devtool: 'inline-source-map',
            mode: 'development',
        },

        webpackMiddleware: {
            // webpack-dev-middleware configuration
            // i. e.
            stats: 'errors-only',
        },

        // 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_INFO,

        // 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'],

        // 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,
    });
};