karma webpack configuration

karma.bundle.js

/**
 * @description - karma test entry
 * @author - bornkiller <[email protected]>
 */

/* eslint-disable */

'use strict';

// resolve test spec files
//
// We use the context method on `require` which Webpack created
// in order to signify which files we actually want to require or import.
// Below, `context` will be a/an function/object with file names as keys.
// Using that regex, we scan within `client/app` and target
// all files ending with `.spec.js` and trace its path.
// By passing in true, we permit this process to occur recursively.
//
let context = require.context('./__tests__/', true, /\.spec\.js/);

// Get all files, for each file, call the context function
// that will require the file and load it here. Context will
// loop and require those spec files here.
context.keys().forEach(context);

karma.config.js

/**
 * @description - karma webpack integration
 * @author - huang.jian <[email protected]>
 */

/* eslint-disable */

'use strict';

const WebpackKarmaConfiguration = require('@coco/webpack/webpack.karma');

module.exports = function config(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: [
      'karma.bundle.js'
    ],

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

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

    // Webpack karma configuration
    webpack: WebpackKarmaConfiguration,

    // Webpack please don't spam the console when running in karma!
    webpackMiddleware: { noInfo: true },

    // Webpack blocker middleware
    beforeMiddleware: ['webpackBlocker'],

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

    coverageReporter: {
      dir: 'coverage',
      reporters: [
        { type: 'html', subdir: 'html' },
        { type: 'lcov', subdir: 'lcov' }
      ]
    },

    // 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: ['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
  });
};