Add karma testing

createWebpackConfig.js

@@ -1,8 +1,11 @@
 'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
 var webpack = require('webpack');
 
-module.exports = function createWebpackConfig(options) {
+module.exports = function createWebpackConfig(_options) {
-  var config = {
+  var config;
+  var options = _options || {};
+
+  config = {
     plugins: [
       new webpack.optimize.OccurrenceOrderPlugin(),
     ],

gulpfile.js

@@ -1,4 +1,5 @@
 'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
+var path = require('path');
 var gulp = require('gulp');
 
 var babel = require('gulp-babel');
@@ -8,9 +9,10 @@ var excludeGitignore = require('gulp-exclude-gitignore');
 var mocha = require('gulp-mocha');
 var nsp = require('gulp-nsp');
 var rimraf = require('rimraf');
-var watch = require('gulp-watch');
 var webpack = require('webpack-stream');
 
+var KarmaServer = require('karma').Server;
+
 var createWebpackConfig = require('./createWebpackConfig.js');
 
 // Initialize the babel transpiler so ES2015 files gets compiled
@@ -33,11 +35,20 @@ gulp.task('nsp', function(cb) {
   nsp('package.json', cb);
 });
 
-gulp.task('test', function() {
+gulp.task('test', ['test:karma', 'test:node']);
+
+gulp.task('test:node', function() {
   return gulp.src('test/**/*.js')
     .pipe(mocha({reporter: 'spec'}));
 });
 
+gulp.task('test:karma', function(done) {
+  new KarmaServer({
+    configFile: path.join(__dirname, 'karma.conf.js'),
+    singleRun: true,
+  }, done).start();
+});
+
 gulp.task('babel', function() {
   return gulp.src('lib/**/*.js')
     .pipe(babel())
@@ -45,8 +56,8 @@ gulp.task('babel', function() {
 });
 
 gulp.task('watch', function() {
-  watch(['lib/**/*.js', 'test/**/*.js'], batch(function(events, done) {
+  gulp.watch(['lib/**/*.js', 'test/**/*.js'], batch(function(events, done) {
-    gulp.start('test', done);
+    gulp.start('test:node', done);
   }));
 });
 

karma.conf.js

@@ -0,0 +1,72 @@
+'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
+
+var createWebpackConfig = require('./createWebpackConfig');
+
+module.exports = function(config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['mocha'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      'test/**/*.js',
+    ],
+
+    // list of files to exclude
+    exclude: [
+    ],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      'test/**/*.js': ['webpack'],
+    },
+
+    webpack: createWebpackConfig(),
+
+    webpackMiddleware: {
+      noInfo: true,
+      watch: true,
+    },
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['mocha'],
+
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['PhantomJS'],
+
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: false,
+  });
+};

package.json

@@ -43,8 +43,16 @@
     "gulp-exclude-gitignore": "^1.0.0",
     "gulp-mocha": "^2.0.0",
     "gulp-nsp": "^0.4.5",
-    "gulp-watch": "^4.3.4",
+    "karma": "^0.13.3",
+    "karma-babel-preprocessor": "^5.2.1",
+    "karma-chrome-launcher": "^0.2.0",
+    "karma-mocha": "^0.2.0",
+    "karma-mocha-reporter": "^1.0.4",
+    "karma-phantomjs-launcher": "^0.2.0",
+    "karma-webpack": "^1.7.0",
     "lodash": "^3.0.0",
+    "mocha": "^2.2.5",
+    "phantomjs": "^1.9.17",
     "rimraf": "^2.4.2",
     "webpack": "^1.10.5",
     "webpack-stream": "^2.1.0"