ft/aurelia_project/tasks/test.js

import gulp from 'gulp';
import {Server as Karma} from 'karma';
import {CLIOptions} from 'aurelia-cli';
import jest from 'gulp-jest';

// TODO: add coverage options

function testUI(done) {
  let karamConfig = {
    configFile: __dirname + '/../../karma.conf.js'
  };
  if (CLIOptions.hasFlag('watch')) {
    karamConfig.singleRun = false;
    karamConfig.specReporter = {
      showSpecTiming: true,
      suppressSkipped: true,
      suppressErrorSummary: false
    };
  }
  new Karma(karamConfig, done).start();
}

function testBusinessLogic() {
  return gulp.src('src').pipe(jest({
    config: {
      'verbose': true,
      'testRegex': '(util|lib|value-converters).*.spec.js$',
      'collectCoverage': true,
      'coverageDirectory': '../coverage',
      'coverageReporters': ['html', 'clover']
    }
  }));
}

export default function test(done) {
  if (CLIOptions.hasFlag('bl')) {
    return testBusinessLogic();
  } else if (CLIOptions.hasFlag('ui')) {
    return testUI(done);
  }
  return gulp.series(
    testBusinessLogic,
    testUI
  )();
}