nextcloud/tests/lib/testcase.php

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<?php
/**
* ownCloud
*
* @author Joas Schilling
* @copyright 2014 Joas Schilling nickvergessen@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Test;
use OC\Command\QueueBus;
use OC\Files\Filesystem;
use OCP\Security\ISecureRandom;
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abstract class TestCase extends \PHPUnit_Framework_TestCase {
/**
* @var \OC\Command\QueueBus
*/
private $commandBus;
protected function getTestTraits() {
$traits = [];
$class = $this;
do {
$traits = array_merge(class_uses($class), $traits);
} while ($class = get_parent_class($class));
foreach ($traits as $trait => $same) {
$traits = array_merge(class_uses($trait), $traits);
}
$traits = array_unique($traits);
return array_filter($traits, function ($trait) {
return substr($trait, 0, 5) === 'Test\\';
});
}
protected function setUp() {
// overwrite the command bus with one we can run ourselves
$this->commandBus = new QueueBus();
\OC::$server->registerService('AsyncCommandBus', function () {
return $this->commandBus;
});
$traits = $this->getTestTraits();
foreach ($traits as $trait) {
$methodName = 'setUp' . basename(str_replace('\\', '/', $trait));
if (method_exists($this, $methodName)) {
call_user_func([$this, $methodName]);
}
}
}
protected function tearDown() {
$hookExceptions = \OC_Hook::$thrownExceptions;
\OC_Hook::$thrownExceptions = [];
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\OC::$server->getLockingProvider()->releaseAll();
if (!empty($hookExceptions)) {
throw $hookExceptions[0];
}
$traits = $this->getTestTraits();
foreach ($traits as $trait) {
$methodName = 'tearDown' . basename(str_replace('\\', '/', $trait));
if (method_exists($this, $methodName)) {
call_user_func([$this, $methodName]);
}
}
}
/**
* Allows us to test private methods/properties
*
* @param $object
* @param $methodName
* @param array $parameters
* @return mixed
*/
protected static function invokePrivate($object, $methodName, array $parameters = array()) {
$reflection = new \ReflectionClass(get_class($object));
if ($reflection->hasMethod($methodName)) {
$method = $reflection->getMethod($methodName);
$method->setAccessible(true);
return $method->invokeArgs($object, $parameters);
} elseif ($reflection->hasProperty($methodName)) {
$property = $reflection->getProperty($methodName);
$property->setAccessible(true);
if (!empty($parameters)) {
$property->setValue($object, array_pop($parameters));
}
return $property->getValue($object);
}
return false;
}
/**
* Returns a unique identifier as uniqid() is not reliable sometimes
*
* @param string $prefix
* @param int $length
* @return string
*/
protected static function getUniqueID($prefix = '', $length = 13) {
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return $prefix . \OC::$server->getSecureRandom()->getLowStrengthGenerator()->generate(
$length,
// Do not use dots and slashes as we use the value for file names
ISecureRandom::CHAR_DIGITS . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER
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);
}
public static function tearDownAfterClass() {
$dataDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data-autotest');
self::tearDownAfterClassCleanStorages();
self::tearDownAfterClassCleanFileCache();
self::tearDownAfterClassCleanStrayDataFiles($dataDir);
self::tearDownAfterClassCleanStrayHooks();
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self::tearDownAfterClassCleanStrayLocks();
parent::tearDownAfterClass();
}
/**
* Remove all entries from the storages table
*
* @throws \OC\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 \OC\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 (\OC\Files\Filesystem::isIgnoredDir($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();
}
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/**
* Clean up the list of locks
*/
static protected function tearDownAfterClassCleanStrayLocks() {
\OC::$server->getLockingProvider()->releaseAll();
}
/**
* Login and setup FS as a given user,
* sets the given user as the current user.
*
* @param string $user user id or empty for a generic FS
*/
static protected function loginAsUser($user = '') {
self::logout();
\OC\Files\Filesystem::tearDown();
\OC_User::setUserId($user);
\OC_Util::setupFS($user);
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if (\OC_User::userExists($user)) {
\OC::$server->getUserFolder($user);
}
}
/**
* Logout the current user and tear down the filesystem.
*/
static protected function logout() {
\OC_Util::tearDownFS();
\OC_User::setUserId('');
// needed for fully logout
\OC::$server->getUserSession()->setUser(null);
}
/**
* Run all commands pushed to the bus
*/
protected function runCommands() {
// get the user for which the fs is setup
$view = Filesystem::getView();
if ($view) {
list(, $user) = explode('/', $view->getRoot());
} else {
$user = null;
}
\OC_Util::tearDownFS(); // command cant reply on the fs being setup
$this->commandBus->run();
\OC_Util::tearDownFS();
if ($user) {
\OC_Util::setupFS($user);
}
}
/**
* Check if the given path is locked with a given type
*
* @param \OC\Files\View $view view
* @param string $path path to check
* @param int $type lock type
* @param bool $onMountPoint true to check the mount point instead of the
* mounted storage
*
* @return boolean true if the file is locked with the
* given type, false otherwise
*/
protected function isFileLocked($view, $path, $type, $onMountPoint = false) {
// Note: this seems convoluted but is necessary because
// the format of the lock key depends on the storage implementation
// (in our case mostly md5)
if ($type === \OCP\Lock\ILockingProvider::LOCK_SHARED) {
// to check if the file has a shared lock, try acquiring an exclusive lock
$checkType = \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE;
} else {
// a shared lock cannot be set if exclusive lock is in place
$checkType = \OCP\Lock\ILockingProvider::LOCK_SHARED;
}
try {
$view->lockFile($path, $checkType, $onMountPoint);
// no exception, which means the lock of $type is not set
// clean up
$view->unlockFile($path, $checkType, $onMountPoint);
return false;
} catch (\OCP\Lock\LockedException $e) {
// we could not acquire the counter-lock, which means
// the lock of $type was in place
return true;
}
}
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}