add test for unmarking encrypted file on cross storage move

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/encryption/tests/EncryptedStorageTest.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2023 Robin Appelman <robin@icewind.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\encryption\tests;
+
+use OC\Files\Storage\Temporary;
+use OC\Files\Storage\Wrapper\Encryption;
+use OC\Files\View;
+use OCP\Files\Mount\IMountManager;
+use OCP\Files\Storage\IDisableEncryptionStorage;
+use Test\TestCase;
+use Test\Traits\EncryptionTrait;
+use Test\Traits\MountProviderTrait;
+use Test\Traits\UserTrait;
+
+class TemporaryNoEncrypted extends Temporary implements IDisableEncryptionStorage {
+
+}
+
+/**
+ * @group DB
+ */
+class EncryptedStorageTest extends TestCase {
+	use MountProviderTrait;
+	use EncryptionTrait;
+	use UserTrait;
+
+	public function testMoveFromEncrypted() {
+		$this->createUser("test1", "test2");
+		$this->setupForUser("test1", 'test2');
+
+		$unwrapped = new Temporary();
+
+		$this->registerMount("test1", new TemporaryNoEncrypted(), "/test1/files/unenc");
+		$this->registerMount("test1", $unwrapped, "/test1/files/enc");
+
+		$this->loginWithEncryption("test1");
+
+		$view = new View("/test1/files");
+
+		/** @var IMountManager $mountManager */
+		$mountManager = \OC::$server->get(IMountManager::class);
+
+		$encryptedMount = $mountManager->find("/test1/files/enc");
+		$unencryptedMount = $mountManager->find("/test1/files/unenc");
+		$encryptedStorage = $encryptedMount->getStorage();
+		$unencryptedStorage = $unencryptedMount->getStorage();
+		$encryptedCache = $encryptedStorage->getCache();
+		$unencryptedCache = $unencryptedStorage->getCache();
+
+		$this->assertTrue($encryptedStorage->instanceOfStorage(Encryption::class));
+		$this->assertFalse($unencryptedStorage->instanceOfStorage(Encryption::class));
+
+		$encryptedStorage->file_put_contents("foo.txt", "bar");
+		$this->assertEquals("bar", $encryptedStorage->file_get_contents("foo.txt"));
+		$this->assertStringStartsWith("HBEGIN:oc_encryption_module:", $unwrapped->file_get_contents("foo.txt"));
+
+		$this->assertTrue($encryptedCache->get("foo.txt")->isEncrypted());
+
+		$view->rename("enc/foo.txt", "unenc/foo.txt");
+
+		$this->assertEquals("bar", $unencryptedStorage->file_get_contents("foo.txt"));
+		$this->assertFalse($unencryptedCache->get("foo.txt")->isEncrypted());
+	}
+}