Add websocketService meant for broadcasting over local pubsub

This isn't really *finished* yet per se, but it's the first time I've
written tests for the concept that I felt good about, so I figured I'd
commit now and keep moving.

Author: Josh Adams

README.md

@@ -23,3 +23,12 @@ grunt watch
 ### Finally, add the 'app' directory as an extension in chrome...
 
 I'll put instructions here if needed, later.
+
+### To run the tests:
+
+```bash
+karma start
+```
+
+You can also just hit <leader>t in vim to run them, as long as there's a karma
+session running in the background.

app/scripts/services.js

@@ -0,0 +1,3 @@
+'use strict';
+
+angular.module('chromechatApp.Services', []);

app/scripts/services/websocket_service.js

@@ -0,0 +1,12 @@
+'use strict';
+
+angular.module('chromechatApp.Services')
+  .factory('$websocketService', [function() {
+    return function(scope) {
+      return {
+        onmessage: function(message){
+          scope.broadcast(message.data);
+        }
+      };
+    };
+  }]);

karma-shared.conf.js

@@ -2,7 +2,7 @@ var shared = function(config) {
   config.set({
     basePath: '',
     exclude: [],
-    port: 8080,
+    port: 8081,
     runnerPort: 9100,
     colors: true,
     autoWatch: true,
@@ -45,7 +45,6 @@ shared.files = [
   'app/bower_components/underscore/underscore.js',
   'app/bower_components/angular/angular.js',
   'app/bower_components/angular-sanitize/angular-sanitize.js',
-  //'app/bower_components/angular-resource/angular-resource.js',
   'app/bower_components/angular-mocks/angular-mocks.js',
   'app/scripts/vendor/foundation/foundation.js',
   'app/scripts/*.js',

test/spec/directives/user_list.js test/spec/directives/user_list_spec.js

@@ -6,6 +6,7 @@ describe('UserList', function () {
 
   beforeEach(function(){
     module('chromechatApp.Directives', 'templates');
+
     inject(function($compile, $rootScope) {
       el = angular.element("<user-list></user-list>");
       scope = $rootScope;
@@ -15,6 +16,6 @@ describe('UserList', function () {
   });
 
   it('has a user in it', function () {
-    expect(angular.element('ul li', el)[0].innerText).toContain('knewter');
+    expect(angular.element('ul li', el)[0].innerText).toEqual('knewter');
   });
 });

test/spec/services/websocket_service_spec.js

@@ -0,0 +1,28 @@
+/*global describe, it */
+'use strict';
+
+describe('$websocketService', function () {
+  var subject, mockScope;
+
+  beforeEach(function(){
+    module('chromechatApp.Services');
+    mockScope = {
+      broadcast: function(){}
+    };
+
+    inject(function($websocketService) {
+      subject = new $websocketService(mockScope);
+    });
+  });
+
+  it('can inject the websocketService', function () {
+    expect(subject).not.toBe(undefined);
+  });
+
+  it('broadcasts message on the injected scope when onmessage(MessageEvent)', function () {
+    spyOn(mockScope, 'broadcast');
+    // MessageEvent just needs a data property, so this acts like it.
+    subject.onmessage({ data: 'foo' });
+    expect(mockScope.broadcast).toHaveBeenCalledWith('foo');
+  });
+});