karma.conf.js

// Karma configuration
// Generated on Thu Sep 19 2019 02:05:06 GMT-0400 (Eastern Daylight Time)

process.env.CHROME_BIN = require('puppeteer').executablePath()

// Make sure TEST_SUITE is set
if (!process.env.TEST_SUITE) {
  console.error('TEST_SUITE environment variable must be set')
  process.exit(1)
}

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', 'karma-typescript'],

    // list of files / patterns to load in the browser
    files: [
      'src/**/*.ts',
      `spec/${process.env.TEST_SUITE}/**/*.ts`,
      { pattern: 'spec/assets/**/*', included: 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: {
      '**/*.ts': ['karma-typescript']
    },

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

    // 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: ['FirefoxHeadless'],

    customLaunchers: {
      'FirefoxHeadless': {
        base: 'Firefox',
        flags: ['-headless'],
        prefs: {
          'network.proxy.type': 0,
          'media.autoplay.default': 0  // Allow all autoplay
        }
      }
    },

    client: {
      captureConsole: true,
      jasmine: {
        timeoutInterval: 15000
      }
    },

    browserConsoleLogOptions: {
      level: 'log'
    },

    // 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: Infinity,
  })
}