karma.conf.js

module.exports = function (config) {
  config.set({
    browsers: ['ChromeHeadless'],
    basePath: '',
    frameworks: ['jasmine', '@angular/cli'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      require('karma-coverage-istanbul-reporter'),
      require('karma-spec-reporter'),
      require('@angular/cli/plugins/karma')
    ],
    files: [
      {pattern: './src/test.ts', watched: false}
    ],
    preprocessors: {'./src/test.ts': ['@angular/cli']},
    mime: {'text/x-typescript': ['ts', 'tsx']},
    coverageIstanbulReporter: {
      reports: {
        html: 'coverage',
        lcovonly: './coverage/coverage.lcov'
      }
    },
    angularCli: {
      config: './angular-cli.json',
      environment: 'dev'
    },
    reporters: config.angularCli && config.angularCli.codeCoverage
      ? ['spec', 'coverage-istanbul']
      : ['spec'],
    specReporter: {
      // maxLogLines: 5,             // limit number of lines logged per test
      suppressErrorSummary: false, // do not print error summary
      suppressFailed: false,      // do not print information about failed tests
      suppressPassed: false,      // do not print information about passed tests
      suppressSkipped: true,      // do not print information about skipped tests
      showSpecTiming: true,      // print the time elapsed for each spec
      failFast: false              // test would finish with error when a first fail occurs.
    },
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    singleRun: false
  });
};