karma.conf.js

// Karma configuration
// Generated on Tue May 03 2022 15:45:30 GMT+0100 (British Summer Time)
const path = require('path');
const webpack = require('webpack');
const sourcePath = path.join(__dirname, './src');

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

    plugins: [
      require('karma-webpack'),
      require('karma-jasmine'),
      require('karma-coverage'),
      require('karma-coveralls'),
      require('karma-chrome-launcher'),
    ],


    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: '',


    // frameworks to use
    // available frameworks: https://www.npmjs.com/search?q=keywords:karma-adapter
    frameworks: ['jasmine', 'webpack'],


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


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


    // preprocess matching files before serving them to the browser
    // available preprocessors: https://www.npmjs.com/search?q=keywords:karma-preprocessor
    preprocessors: {
      'src/*.js': ['webpack', 'coverage'],
      'src/**/*Spec.js': ['webpack'],
    },

    webpack: {
      mode: 'development',
      resolve: {
        modules: [path.resolve(__dirname, 'node_modules'), sourcePath],
        alias: {
          'luminance_study': __dirname,
          stream: 'stream-browserify',
          buffer: 'buffer',
        },
        fallback: {
          path: false,
          fs: false,
        },
      },
      plugins: [
        new webpack.DefinePlugin({
          __BASE_PATH__: "'/base'",
        }),
        new webpack.ProvidePlugin({ process: ['process/browser'] }),
      ],
    },


    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://www.npmjs.com/search?q=keywords:karma-reporter
    reporters: ['progress', 'coverage', 'coveralls'],

    coverageReporter: {
      type: 'lcov',
      dir: '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: true,


    // start these browsers
    // available browser launchers: https://www.npmjs.com/search?q=keywords:karma-launcher
    browsers: ['Chrome'],


    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: false,

    // Concurrency level
    // how many browser instances should be started simultaneously
    concurrency: Infinity
  })
}