Add tests

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

tests/lib/Preview/BackgroundCleanupJobTest.php

@@ -0,0 +1,159 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace Test\Preview;
+
+use OC\Files\AppData\Factory;
+use OC\Preview\BackgroundCleanupJob;
+use OC\PreviewManager;
+use OCP\Files\IRootFolder;
+use OCP\IDBConnection;
+use Test\Traits\MountProviderTrait;
+use Test\Traits\UserTrait;
+
+/**
+ * Class BackgroundCleanupJobTest
+ *
+ * @group DB
+ *
+ * @package Test\Preview
+ */
+class BackgroundCleanupJobTest extends \Test\TestCase {
+
+	use MountProviderTrait;
+	use UserTrait;
+
+	/** @var string */
+	private $userId;
+
+	/** @var bool */
+	private $trashEnabled;
+
+	/** @var Factory */
+	private $appDataFactory;
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/** @var PreviewManager */
+	private $previewManager;
+
+	/** @var IRootFolder */
+	private $rootFolder;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->userId = $this->getUniqueID();
+		$this->createUser($this->userId, $this->userId);
+
+		$storage = new \OC\Files\Storage\Temporary([]);
+		$this->registerMount($this->userId, $storage, '');
+
+		$this->loginAsUser($this->userId);
+		$this->logout();
+		$this->loginAsUser($this->userId);
+
+		$appManager = \OC::$server->getAppManager();
+		$this->trashEnabled = $appManager->isEnabledForUser('files_trashbin', $this->userId);
+		$appManager->disableApp('files_trashbin');
+
+		$this->appDataFactory = \OC::$server->query(Factory::class);
+		$this->connection = \OC::$server->getDatabaseConnection();
+		$this->previewManager = \OC::$server->getPreviewManager();
+		$this->rootFolder = \OC::$server->getRootFolder();
+	}
+
+	public function tearDown() {
+		if ($this->trashEnabled) {
+			$appManager = \OC::$server->getAppManager();
+			$appManager->enableApp('files_trashbin');
+		}
+
+		$this->logout();
+
+		return parent::tearDown();
+	}
+
+	private function setup11Previews(): array {
+		$userFolder = $this->rootFolder->getUserFolder($this->userId);
+
+		$files = [];
+		for ($i = 0; $i < 11; $i++) {
+			$file = $userFolder->newFile($i.'.txt');
+			$file->putContent('hello world!');
+			$this->previewManager->getPreview($file);
+			$files[] = $file;
+		}
+
+		return $files;
+	}
+
+	public function testCleanupSystemCron() {
+		$files = $this->setup11Previews();
+
+		$preview = $this->appDataFactory->get('preview');
+
+		$previews = $preview->getDirectoryListing();
+		$this->assertCount(11, $previews);
+
+		$job = new BackgroundCleanupJob($this->connection, $this->appDataFactory, true);
+		$job->run([]);
+
+		foreach ($files as $file) {
+			$file->delete();
+		}
+
+		$this->assertCount(11, $previews);
+		$job->run([]);
+
+		$previews = $preview->getDirectoryListing();
+		$this->assertCount(0, $previews);
+	}
+
+	public function testCleanupAjax() {
+		$files = $this->setup11Previews();
+
+		$preview = $this->appDataFactory->get('preview');
+
+		$previews = $preview->getDirectoryListing();
+		$this->assertCount(11, $previews);
+
+		$job = new BackgroundCleanupJob($this->connection, $this->appDataFactory, false);
+		$job->run([]);
+
+		foreach ($files as $file) {
+			$file->delete();
+		}
+
+		$this->assertCount(11, $previews);
+		$job->run([]);
+
+		$previews = $preview->getDirectoryListing();
+		$this->assertCount(1, $previews);
+
+		$job->run([]);
+
+		$previews = $preview->getDirectoryListing();
+		$this->assertCount(0, $previews);
+	}
+}