karma.conf.js

module.exports = function(config) {

  const settings = require('./gulp.config');

  const path = settings.path;
  const patterns = settings.patterns;
  const assets = settings.assets;

  const karmaConf = {
    browsers: ['PhantomJS'],
    frameworks: ['jasmine'],
    files: [
      ...assets.js,
      ...assets.jsTest,
      path.origin.folder + patterns.allModuleJS,
      path.origin.folder + patterns.allJS,
      path.origin.folder + patterns.allHTML
    ],
    preprocessors: {},
    babelPreprocessor: {
      options: {
        presets: ['es2015'],
        sourceMap: 'inline'
      }
    },
    reporters: ['progress', 'coverage', 'coveralls'],
    coverageReporter: {
      dir: path.coverage.folder,
      reporters: [
        {type: 'html', subdir: 'html'},
        {type: 'lcovonly', subdir: '.', file: 'lcov.info'},
        {type: 'json', subdir: '.'},
      ]
    },
    colors: true,
    ngHtml2JsPreprocessor: {
      stripPrefix: path.origin.folder,
      moduleName: path.moduleCoreName
    }
  };

  karmaConf.preprocessors[path.origin.folder + patterns.allModuleJS] = ['babel'];
  karmaConf.preprocessors[path.origin.folder + patterns.allJSExcludeTest] = ['coverage','babel'];
  karmaConf.preprocessors[path.origin.folder + patterns.allTestJS] = ['babel'];
  karmaConf.preprocessors[path.origin.folder + patterns.allHTML] = ['ng-html2js'];

  config.set(karmaConf);
};