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) {
  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('@angular-devkit/build-angular/plugins/karma'),
    ],
    client: {
      clearContext: false, // leave Jasmine Spec Runner output visible in browser
      jasmine: {
        random: false,
        stopOnFailure: true,
      },
    },
    customLaunchers: {
      ChromeCustom: {
        base: 'ChromeHeadless',
        flags: ['--no-sandbox'],
      },
    },
    files: [
      { pattern: './config.js.default' },
      { pattern: './node_modules/hammerjs/hammer.min.js' },
      { pattern: './node_modules/@angular/material/prebuilt-themes/indigo-pink.css', included: true, watched: true },
    ],
    preprocessors: {},
    mime: {
      'text/x-typescript': ['ts', 'tsx'],
    },
    coverageIstanbulReporter: {
      dir: require('path').join(__dirname, 'coverage'),
      reports: ['html', 'lcovonly', 'cobertura'],
      reports: ['html', 'lcovonly', 'text-summary'],
      fixWebpackSourcePaths: true,
    },
    angularCli: {
      environment: 'dev',
    },
    reporters:
      config.angularCli && config.angularCli.codeCoverage ? ['progress', 'coverage-istanbul'] : ['progress', 'kjhtml'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['ChromeCustom'],
    singleRun: false,
    browserNoActivityTimeout: 90000,
    browserDisconnectTolerance: 10,
  });
};