karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html

module.exports = function(config) {
  config.set({
    basePath: '',
    frameworks: ['jasmine', '@angular-devkit/build-angular'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      require('karma-jasmine-html-reporter'),
      require('karma-coverage-istanbul-reporter'),
      require('karma-htmlfile-reporter'),
      require('@angular-devkit/build-angular/plugins/karma'),
    ],
    client: {
      clearContext: false, // leave Jasmine Spec Runner output visible in browser
    },
    coverageIstanbulReporter: {
      dir: require('path').join(__dirname, 'coverage'), reports: ['html', 'lcovonly'],
      fixWebpackSourcePaths: true,
    },
    angularCli: {
      environment: 'dev',
    },
    reporters: ['progress', 'kjhtml', 'html'],
    htmlReporter: {
      outputFile: 'tests/units.html',
    },
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome', 'ChromiumHeadless', 'ChromiumNoSandbox'],
    customLaunchers: {
      ChromiumHeadless: {
        base: 'Chrome',
        flags: [
          '--headless',
          '--disable-gpu',
          // Without a remote debugging port, Google Chrome exits immediately.
          '--remote-debugging-port=9222',
        ],
        debug: true,
      },
      ChromiumNoSandbox: {
        base: 'ChromiumHeadless',
        flags: ['--no-sandbox', '--disable-translate', '--disable-extensions'],
      },
    },
    singleRun: false,
  })
}