Karma Config for MarionetteJS

karma.conf.js

// Karma configuration
// Generated on Sat Aug 26 2017 16:02:46 GMT+0100 (BST)

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
    /*
     * Make sure you include sinon here if you're using it
     */
    frameworks: ["mocha", "chai", "sinon"],

    // list of files / patterns to load in the browser
    files: ["test/**/*.test.js"],

    // list of files to exclude
    exclude: ["*.swp"],

    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    /*
     * Use Webpack to build our test files
     * This is NOT part of the default Karma config
     */
    preprocessors: {
      "test/**/*.test.js": ["webpack"]
    },

    /*
     * Use the same Webpack config for testing and production.
     * This is NOT part of the default Karma config
     */
    webpack: require("./webpack.config.js"),

    client: {
      mocha: {
        opts: "test/mocha.opts"
      }
    },

    // 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", "Firefox", "Safari"],

    // 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
  });
};