Add test for storage factory

tests/lib/files/storage/storagefactory.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Files\Storage;
+
+use OC\Files\Mount\MountPoint;
+use OCP\Files\Mount\IMountPoint;
+use OCP\Files\Storage;
+use Test\TestCase;
+use OC\Files\Storage\Wrapper\Wrapper;
+
+class DummyWrapper extends Wrapper {
+
+}
+
+class StorageFactory extends TestCase {
+	public function testSimpleWrapper() {
+		$instance = new \OC\Files\Storage\StorageFactory();
+		$mount = new MountPoint('\OC\Files\Storage\Temporary', '/foo', [[]], $instance);
+		$instance->addStorageWrapper('dummy', function ($mountPoint, Storage $storage, IMountPoint $mount) {
+			$this->assertInstanceOf('\OC\Files\Storage\Temporary', $storage);
+			$this->assertEquals('/foo/', $mount->getMountPoint());
+			$this->assertEquals('/foo/', $mountPoint);
+			return new DummyWrapper(['storage' => $storage]);
+		});
+		$wrapped = $mount->getStorage();
+		$this->assertInstanceOf('\Test\Files\Storage\DummyWrapper', $wrapped);
+	}
+
+	public function testRemoveWrapper() {
+		$instance = new \OC\Files\Storage\StorageFactory();
+		$mount = new MountPoint('\OC\Files\Storage\Temporary', '/foo', [[]], $instance);
+		$instance->addStorageWrapper('dummy', function ($mountPoint, Storage $storage) {
+			return new DummyWrapper(['storage' => $storage]);
+		});
+		$instance->removeStorageWrapper('dummy');
+		$wrapped = $mount->getStorage();
+		$this->assertInstanceOf('\OC\Files\Storage\Temporary', $wrapped);
+	}
+}