Add api webhook adapter

tests/classes/api/api_webhookTest.php

@@ -0,0 +1,23 @@
+<?php
+
+use Alchemy\Phrasea\Exception\RuntimeException;
+
+class API_WebhookTest extends PhraseanetPHPUnitAbstract
+{
+    public function testsNewApiHook()
+    {
+        $w = \API_Webhook::create(self::$DI['app']['phraseanet.appbox'], 'new_feed', array('w1', 'salut' => 'you'));
+        $this->assertInstanceOf('\API_webhook', $w);
+        $w->delete();
+    }
+
+    public function testNewApiHookObjectNotFound()
+    {
+        try {
+            $w = new \API_Webhook(self::$DI['app']['phraseanet.appbox'], -1);
+            $this->fail('It should raise an exception');
+        } catch (RuntimeException $e) {
+
+        }
+    }
+}