server/tests/lib/TestCase.php
2016-09-13 16:31:33 +02:00

505 lines
13 KiB
PHP

<?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 DOMDocument;
use DOMNode;
use OC\Cache\CappedMemoryCache;
use OC\Command\QueueBus;
use OC\Files\Filesystem;
use OC\Template\Base;
use OC_Defaults;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\IL10N;
use OCP\Security\ISecureRandom;
abstract class TestCase extends \PHPUnit_Framework_TestCase {
/** @var \OC\Command\QueueBus */
private $commandBus;
/** @var IDBConnection */
static protected $realDatabase = null;
/** @var bool */
static private $wasDatabaseAllowed = false;
/** @var array */
protected $services = [];
/**
* Wrapper to be forward compatible to phpunit 5.4+
*
* @param string $originalClassName
* @return \PHPUnit_Framework_MockObject_MockObject
*/
protected function createMock($originalClassName) {
if (is_callable('parent::createMock')) {
return parent::createMock($originalClassName);
}
return $this->getMockBuilder($originalClassName)
->disableOriginalConstructor()
->disableOriginalClone()
->disableArgumentCloning()
->getMock();
}
/**
* @param string $name
* @param mixed $newService
* @return bool
*/
public function overwriteService($name, $newService) {
if (isset($this->services[$name])) {
return false;
}
$this->services[$name] = \OC::$server->query($name);
\OC::$server->registerService($name, function () use ($newService) {
return $newService;
});
return true;
}
/**
* @param string $name
* @return bool
*/
public function restoreService($name) {
if (isset($this->services[$name])) {
$oldService = $this->services[$name];
\OC::$server->registerService($name, function () use ($oldService) {
return $oldService;
});
unset($this->services[$name]);
return true;
}
return false;
}
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($trait, 0, 5) === 'Test\\';
});
}
protected function setUp() {
// detect database access
self::$wasDatabaseAllowed = true;
if (!$this->IsDatabaseAccessAllowed()) {
self::$wasDatabaseAllowed = false;
if (is_null(self::$realDatabase)) {
self::$realDatabase = \OC::$server->getDatabaseConnection();
}
\OC::$server->registerService('DatabaseConnection', function () {
$this->fail('Your test case is not allowed to access the database.');
});
}
// 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, $methodName]);
}
}
}
protected function tearDown() {
// restore database connection
if (!$this->IsDatabaseAccessAllowed()) {
\OC::$server->registerService('DatabaseConnection', function () {
return self::$realDatabase;
});
}
// further cleanup
$hookExceptions = \OC_Hook::$thrownExceptions;
\OC_Hook::$thrownExceptions = [];
\OC::$server->getLockingProvider()->releaseAll();
if (!empty($hookExceptions)) {
throw $hookExceptions[0];
}
// fail hard if xml errors have not been cleaned up
$errors = libxml_get_errors();
libxml_clear_errors();
$this->assertEquals([], $errors);
\OC\Files\Cache\Storage::getGlobalCache()->clearCache();
// tearDown the traits
$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 $parameters = array()) {
if (is_string($object)) {
$className = $object;
} else {
$className = get_class($object);
}
$reflection = new \ReflectionClass($className);
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) {
return $prefix . \OC::$server->getSecureRandom()->generate(
$length,
// Do not use dots and slashes as we use the value for file names
ISecureRandom::CHAR_DIGITS . ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER
);
}
public static function tearDownAfterClass() {
if (!self::$wasDatabaseAllowed && self::$realDatabase !== null) {
// in case an error is thrown in a test, PHPUnit jumps straight to tearDownAfterClass,
// so we need the database again
\OC::$server->registerService('DatabaseConnection', function () {
return self::$realDatabase;
});
}
$dataDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data-autotest');
if (self::$wasDatabaseAllowed && \OC::$server->getDatabaseConnection()) {
$queryBuilder = \OC::$server->getDatabaseConnection()->getQueryBuilder();
self::tearDownAfterClassCleanShares($queryBuilder);
self::tearDownAfterClassCleanStorages($queryBuilder);
self::tearDownAfterClassCleanFileCache($queryBuilder);
}
self::tearDownAfterClassCleanStrayDataFiles($dataDir);
self::tearDownAfterClassCleanStrayHooks();
self::tearDownAfterClassCleanStrayLocks();
parent::tearDownAfterClass();
}
/**
* Remove all entries from the share table
*
* @param IQueryBuilder $queryBuilder
*/
static protected function tearDownAfterClassCleanShares(IQueryBuilder $queryBuilder) {
$queryBuilder->delete('share')
->execute();
}
/**
* Remove all entries from the storages table
*
* @param IQueryBuilder $queryBuilder
*/
static protected function tearDownAfterClassCleanStorages(IQueryBuilder $queryBuilder) {
$queryBuilder->delete('storages')
->execute();
}
/**
* Remove all entries from the filecache table
*
* @param IQueryBuilder $queryBuilder
*/
static protected function tearDownAfterClassCleanFileCache(IQueryBuilder $queryBuilder) {
$queryBuilder->delete('filecache')
->execute();
}
/**
* Remove all unused files from the data dir
*
* @param string $dataDir
*/
static protected function tearDownAfterClassCleanStrayDataFiles($dataDir) {
$knownEntries = array(
'nextcloud.log' => true,
'owncloud.db' => true,
'.ocdata' => true,
'..' => true,
'.' => true,
);
if ($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();
}
/**
* 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);
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 can't 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;
}
}
private function IsDatabaseAccessAllowed() {
// on travis-ci.org we allow database access in any case - otherwise
// this will break all apps right away
if (true == getenv('TRAVIS')) {
return true;
}
$annotations = $this->getAnnotations();
if (isset($annotations['class']['group']) && in_array('DB', $annotations['class']['group'])) {
return true;
}
return false;
}
/**
* @param string $expectedHtml
* @param string $template
* @param array $vars
*/
protected function assertTemplate($expectedHtml, $template, $vars = []) {
require_once __DIR__.'/../../lib/private/legacy/template/functions.php';
$requestToken = 12345;
$theme = new OC_Defaults();
/** @var IL10N | \PHPUnit_Framework_MockObject_MockObject $l10n */
$l10n = $this->getMockBuilder('\OCP\IL10N')
->disableOriginalConstructor()->getMock();
$l10n
->expects($this->any())
->method('t')
->will($this->returnCallback(function($text, $parameters = array()) {
return vsprintf($text, $parameters);
}));
$t = new Base($template, $requestToken, $l10n, $theme);
$buf = $t->fetchPage($vars);
$this->assertHtmlStringEqualsHtmlString($expectedHtml, $buf);
}
/**
* @param string $expectedHtml
* @param string $actualHtml
* @param string $message
*/
protected function assertHtmlStringEqualsHtmlString($expectedHtml, $actualHtml, $message = '') {
$expected = new DOMDocument();
$expected->preserveWhiteSpace = false;
$expected->formatOutput = true;
$expected->loadHTML($expectedHtml);
$actual = new DOMDocument();
$actual->preserveWhiteSpace = false;
$actual->formatOutput = true;
$actual->loadHTML($actualHtml);
$this->removeWhitespaces($actual);
$expectedHtml1 = $expected->saveHTML();
$actualHtml1 = $actual->saveHTML();
self::assertEquals($expectedHtml1, $actualHtml1, $message);
}
private function removeWhitespaces(DOMNode $domNode) {
foreach ($domNode->childNodes as $node) {
if($node->hasChildNodes()) {
$this->removeWhitespaces($node);
} else {
if ($node instanceof \DOMText && $node->isWhitespaceInElementContent() ) {
$domNode->removeChild($node);
}
}
}
}
}