karma.conf.js

'use strict';

module.exports = function(config) {

  config.set({
    logLevel: config.LOG_INFO,

    frameworks: ['jasmine'],

    browsers : ['PhantomJS'],

    ngHtml2JsPreprocessor: {
      stripPrefix: 'src/',
      moduleName: 'gulpAngular'
    },

    plugins : [
      'karma-phantomjs-launcher',
      'karma-jasmine',
      'karma-ng-html2js-preprocessor'
    ],

    preprocessors: {
      'src/**/*.html': ['ng-html2js']
    }
  });

};

unit-tests.js

'use strict';

var gulp = require('gulp');

var $ = require('gulp-load-plugins')();

var wiredep = require('wiredep');
var karma = require('karma');
var concat = require('concat-stream');
var _ = require('lodash');

module.exports = function(options) {
  function listFiles(callback) {
    var bowerDeps = wiredep({
      directory: 'bower_components',
      exclude: ['bootstrap-sass-official'],
      dependencies: true,
      devDependencies: true
    });

    var specFiles = [
      options.src + '/**/*.spec.js',
      options.src + '/**/*.mock.js'
    ];

    var htmlFiles = [
      options.src + '/**/*.html'
    ];

    var srcFiles = [
      options.src + '/{app,components}/**/*.js',
    ].concat(specFiles.map(function(file) {
      return '!' + file;
    }));

    gulp.src(srcFiles)
      .pipe($.angularFilesort())
      .pipe(concat(function(files) {
        callback(bowerDeps.js
          .concat(_.pluck(files, 'path'))
          .concat(htmlFiles)
          .concat(specFiles));
      }));
  }

  function runTests (singleRun, done) {
    listFiles(function(files) {
      karma.server.start({
        configFile: __dirname + '/../karma.conf.js',
        files: files,
        singleRun: singleRun
      }, done);
    });
  }

  gulp.task('test', ['scripts'], function(done) {
    runTests(true, done);
  });
  gulp.task('test:auto', ['watch'], function(done) {
    runTests(false, done);
  });
};