Add unit test setup files and sample plugin unit test

test/karma.conf.js

@@ -0,0 +1,34 @@
+module.exports = function(config){
+  config.set({
+
+    basePath : '../',
+
+    files : [
+      'bower_components/angular/angular.js',
+      'bower_components/angular-route/angular-route.js',
+      'bower_components/angular-mocks/angular-mocks.js',
+      'js/**/*.js',
+      'test/unit/**/*.js'
+    ],
+
+    autoWatch : true,
+
+    frameworks: ['jasmine'],
+
+    browsers : ['PhantomJS'],
+
+    singleRun: true,
+
+    plugins : [
+            'karma-phantomjs-launcher',
+            'karma-jasmine',
+            'karma-junit-reporter'
+            ],
+
+    junitReporter : {
+      outputFile: 'test_out/unit.xml',
+      suite: 'unit'
+    }
+
+  });
+};

test/unit/plugins.js

@@ -0,0 +1,29 @@
+/* plugins go here */
+
+var msg = function(msg) {
+    return {'text': msg }
+}
+
+var metadata_name = function(message) {
+    return message['metadata'][0]['name']
+}
+
+describe('filter', function() {
+    beforeEach(module('plugins'));
+
+
+    describe('Plugins', function() {
+        beforeEach(module(function($provide) {
+            $provide.value('version', 'TEST_VER');
+        }));
+
+
+        it('should recognize youtube videos', inject(function(plugins) {
+            expect(
+                metadata_name(
+                    plugins.PluginManager.contentForMessage(msg('https://www.youtube.com/watch?v=dQw4w9WgXcQ'))
+                )
+            ).toEqual('YouTube video');
+        }));
+    });
+});