adds memcache mocks for pubsub tests (GoogleCloudPlatform#167)

Author: bshaffer

pubsub/app/app.php

@@ -83,21 +83,23 @@
 });
 
 $app['get_pull_messages'] = $app->protect(function ($clearMessages = false) {
-    $memcache = new Memcached;
-    if ($pullMessages = $memcache->get('pull-messages')) {
+    if ($pullMessages = $app['memcache']->get('pull-messages')) {
         if ($clearMessages) {
-            $memcache->set('pull-messages', []);
+            $app['memcache']->set('pull-messages', []);
         }
         return $pullMessages;
     }
     return [];
 });
 
 $app['save_pull_message'] = $app->protect(function ($message) use ($app) {
-    $memcache = new Memcached;
     $messages = $app['get_pull_messages']();
     $messages[] = $message;
-    $memcache->set('pull-messages', $messages);
+    $app['memcache']->set('pull-messages', $messages);
 });
 
+$app['memcache'] = function () {
+    return new Memcached;
+};
+
 return $app;

pubsub/app/composer.json

@@ -8,10 +8,12 @@
   },
   "require-dev": {
     "google/cloud-tools": "<=1.0",
+    "gecko-packages/gecko-memcache-mock": "^2.0",
     "paragonie/random_compat": "^2.0",
     "symfony/browser-kit": "~2.7",
     "symfony/css-selector": "~2.0",
     "symfony/dom-crawler": "~2.0",
-    "symfony/yaml": "^3.1"
+    "symfony/yaml": "^3.1",
+    "phpunit/phpunit": " ~4.1"
   }
 }

pubsub/app/composer.lock

@@ -19,6 +19,7 @@
 
 use Silex\WebTestCase;
 use Symfony\Component\HttpKernel\Client;
+use GeckoPackages\MemcacheMock\MemcachedMock;
 
 class appTest extends WebTestCase
 {
@@ -32,6 +33,8 @@ public function createApplication()
         $app['project_id'] = 'cloud-samples-tests-php';
         $app['topic'] = getenv('GOOGLE_PUBSUB_TOPIC');
         $app['subscription'] = getenv('GOOGLE_PUBSUB_SUBSCRIPTION');
+        $app['memcache'] = new MemcachedMock;
+        $app['memcache']->addServer("localhost", 11211);
 
         // this will be set by travis, but may not be set locally
         if (!$credentials = getenv('GOOGLE_APPLICATION_CREDENTIALS')) {