karma.global.js

const webpackConfig = require('./webpack.prod.js');
// const { serverCrt, serverKey } = require('./karma-certificate');

module.exports = (config) => ({
  // 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: ['tap'],

  customContextFile: 'penumbra-karma-context.html',

  // list of files / patterns to load in the browser
  files: [
    {
      pattern: 'src/worker.penumbra.js',
      included: false,
      served: true,
      nocache: false,
    },
    {
      pattern: 'src/index.ts',
      included: false,
      served: true,
      nocache: false,
    },
    {
      pattern: 'src/tests/index.test.ts',
      included: true,
      served: true,
      nocache: false,
    },
  ],

  // 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: {
    'src/**': ['webpack', 'sourcemap'],
  },

  // webpack configuration
  webpack: webpackConfig,

  plugins: [
    'karma-tap',
    'karma-coverage',
    'karma-webpack',
    'karma-sourcemap-loader',
  ],

  reporters: ['progress', 'coverage'],

  coverageReporter: {
    reporters: [{ type: 'lcov' }],
  },

  // TODO - https://github.com/transcend-io/penumbra/issues/249
  // // Create a secure context so `crypto.subtle` is defined
  // httpsServerOptions: {
  //   key: Buffer.from(serverKey, 'base64').toString('utf-8'),
  //   cert: Buffer.from(serverCrt, 'base64').toString('utf-8'),
  // },
  // protocol: 'https:',

  // 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: process.env.CI ? config.LOG_WARN : config.LOG_INFO,

  // enable / disable watching file and executing tests whenever any file changes
  autoWatch: false,

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

  // Concurrency level
  // how many browser should be started simultaneous
  concurrency: 5,
});