Clean up the test data in tearDownAfterClass()

The result of the listener should then be empty and can be removed

tests/lib/testcase.php

@@ -23,21 +23,127 @@
 namespace Test;
 
 abstract class TestCase extends \PHPUnit_Framework_TestCase {
+	/**
+	 * Returns a unique identifier as uniqid() is not reliable sometimes
+	 *
+	 * @param string $prefix
+	 * @param int $length
+	 * @return string
+	 */
 	protected function getUniqueID($prefix = '', $length = 13) {
-		// Do not use dots and slashes as we use the value for file names
 		return $prefix . \OC::$server->getSecureRandom()->getLowStrengthGenerator()->generate(
 			$length,
+			// Do not use dots and slashes as we use the value for file names
 			'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
 		);
 	}
 
 	public static function tearDownAfterClass() {
+		$dataDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data-autotest');
+
+		self::tearDownAfterClassCleanFileMapper($dataDir);
+		self::tearDownAfterClassCleanStorages();
+		self::tearDownAfterClassCleanFileCache();
+		self::tearDownAfterClassCleanStrayDataFiles($dataDir);
+		self::tearDownAfterClassCleanStrayHooks();
+		self::tearDownAfterClassCleanProxies();
+
+		parent::tearDownAfterClass();
+	}
+
+	/**
+	 * Remove all entries from the files map table
+	 * @param string $dataDir
+	 */
+	static protected function tearDownAfterClassCleanFileMapper($dataDir) {
 		if (\OC_Util::runningOnWindows()) {
-			$rootDirectory = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data-autotest');
-			$mapper = new \OC\Files\Mapper($rootDirectory);
-			$mapper->removePath($rootDirectory, true, true);
+			$mapper = new \OC\Files\Mapper($dataDir);
+			$mapper->removePath($dataDir, true, true);
 		}
+	}
 
-		parent::tearDownAfterClass();
+	/**
+	 * Remove all entries from the storages table
+	 * @throws \DatabaseException
+	 */
+	static protected function tearDownAfterClassCleanStorages() {
+		$sql = 'DELETE FROM `*PREFIX*storages`';
+		$query = \OC_DB::prepare($sql);
+		$query->execute();
+	}
+
+	/**
+	 * Remove all entries from the filecache table
+	 * @throws \DatabaseException
+	 */
+	static protected function tearDownAfterClassCleanFileCache() {
+		$sql = 'DELETE FROM `*PREFIX*filecache`';
+		$query = \OC_DB::prepare($sql);
+		$query->execute();
+	}
+
+	/**
+	 * Remove all unused files from the data dir
+	 *
+	 * @param string $dataDir
+	 */
+	static protected function tearDownAfterClassCleanStrayDataFiles($dataDir) {
+		$knownEntries = array(
+			'owncloud.log'	=> true,
+			'owncloud.db'	=> true,
+			'.ocdata'		=> true,
+			'..'			=> true,
+			'.'				=> true,
+		);
+
+		if ($dh = opendir($dataDir)) {
+			while (($file = readdir($dh)) !== false) {
+				if (!isset($knownEntries[$file])) {
+					self::tearDownAfterClassCleanStrayDataUnlinkDir($dataDir . '/' . $file);
+				}
+			}
+			closedir($dh);
+		}
+	}
+
+	/**
+	 * Recursive delete files and folders from a given directory
+	 *
+	 * @param string $dir
+	 */
+	static protected function tearDownAfterClassCleanStrayDataUnlinkDir($dir) {
+		if ($dh = @opendir($dir)) {
+			while (($file = readdir($dh)) !== false) {
+				if ($file === '..' || $file === '.') {
+					continue;
+				}
+				$path = $dir . '/' . $file;
+				if (is_dir($path)) {
+					self::tearDownAfterClassCleanStrayDataUnlinkDir($path);
+				}
+				else {
+					@unlink($path);
+				}
+			}
+			closedir($dh);
+		}
+		@rmdir($dir);
+	}
+
+	/**
+	 * Clean up the list of hooks
+	 */
+	static protected function tearDownAfterClassCleanStrayHooks() {
+		\OC_Hook::clear();
+	}
+
+	/**
+	 * Clean up the list of file proxies
+	 *
+	 * Also reenables file proxies, in case a test disabled them
+	 */
+	static protected function tearDownAfterClassCleanProxies() {
+		\OC_FileProxy::$enabled = true;
+		\OC_FileProxy::clearProxies();
 	}
 }