karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/0.13/config/configuration-file.html

module.exports = function (config) {
  const configuration = {
    basePath: '',
    frameworks: ['jasmine', '@angular/cli'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      // require('karma-jasmine-html-reporter'),
      require('karma-mocha-reporter'),
      require('karma-coverage-istanbul-reporter'),
      require('@angular/cli/plugins/karma'),
    ],
    client: {
      clearContext: false // leave Jasmine Spec Runner output visible in browser
    },
    files: [
      { pattern: './src/test.ts', watched: false },
      // include angular material core theme
      { pattern: './node_modules/@angular/material/prebuilt-themes/indigo-pink.css' },
      // don't watch the Vim junk files
      { pattern: '**/*.swp', watched: false }
    ],
    exclude: [
      // exclude the Vim junk files
      '**/*.swp'
    ],
    customLaunchers: {
      // chrome setup for travis CI using chromium
      Chrome_travis_ci: {
        base: 'Chrome',
        flags: ['--no-sandbox']
      }
    },
    coverageIstanbulReporter: {
      reports: [ 'html', 'lcovonly' ],
      fixWebpackSourcePaths: true
    },
    angularCli: {
      environment: 'dev'
    },
    reporters: [/*'progress', 'kjhtml'*/, 'mocha'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    singleRun: false,
    // custom timeouts
    captureTimeout: 60000,
    browserDisconnectTimeout : 10000,
    browserDisconnectTolerance : 1,
    browserNoActivityTimeout : 60000
  };

  if(process.env.TRAVIS){
    configuration.browsers = ['Chrome_travis_ci'];
  }

  config.set(configuration);
};