Merge pull request #5331 from nupplaphil/lock_tests_fixings

Lock fixings & unittests

.travis.yml

@@ -9,6 +9,8 @@ php:
 
 services:
  - mysql
+ - redis-server
+ - memcached
 env:
  - MYSQL_HOST=localhost MYSQL_PORT=3306 MYSQL_USERNAME=travis MYSQL_PASSWORD= MYSQL_DATABASE=test
 
@@ -17,3 +19,5 @@ install:
 before_script:
  - mysql -e 'CREATE DATABASE IF NOT EXISTS test;'
  - mysql -utravis test < database.sql
+ - echo "extension=redis.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+ - echo "extension=memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini

database.sql

@@ -576,8 +576,10 @@ CREATE TABLE IF NOT EXISTS `locks` (
 	`id` int unsigned NOT NULL auto_increment COMMENT 'sequential ID',
 	`name` varchar(128) NOT NULL DEFAULT '' COMMENT '',
 	`locked` boolean NOT NULL DEFAULT '0' COMMENT '',
+	`expires` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'datetime of lock expiration',
 	`pid` int unsigned NOT NULL DEFAULT 0 COMMENT 'Process ID',
-	 PRIMARY KEY(`id`)
+	 PRIMARY KEY(`id`),
+	 INDEX `name_expires` (`name`,`expires`)
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='';
 
 --

include/dba.php

@@ -1109,7 +1109,7 @@ class dba {
 
 					// Split the SQL queries in chunks of 100 values
 					// We do the $i stuff here to make the code better readable
-					$i = $counter[$key_table][$key_condition];
+					$i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
 					if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
 						++$i;
 					}

src/Core/Cache/AbstractCacheDriver.php

@@ -18,6 +18,7 @@ abstract class AbstractCacheDriver extends BaseObject
 	 * @return string		The cache key used for the cache
 	 */
 	protected function getCacheKey($key) {
+		// We fetch with the hostname as key to avoid problems with other applications
 		return self::getApp()->get_hostname() . ":" . $key;
 	}
 }

src/Core/Cache/ArrayCache.php

@@ -51,7 +51,7 @@ class ArrayCache extends AbstractCacheDriver implements IMemoryCacheDriver
 	/**
 	 * (@inheritdoc)
 	 */
-	public function clear()
+	public function clear($outdated = true)
 	{
 		$this->cachedData = [];
 		return true;

src/Core/Cache/DatabaseCacheDriver.php

@@ -37,7 +37,7 @@ class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
 	{
 		$fields = [
 			'v'       => serialize($value),
-			'expires' => DateTimeFormat::utc('now + ' . $ttl . ' seconds'),
+			'expires' => DateTimeFormat::utc('now + ' . $ttl . 'seconds'),
 			'updated' => DateTimeFormat::utcNow()
 		];
 
@@ -49,8 +49,12 @@ class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
 		return dba::delete('cache', ['k' => $key]);
 	}
 
-	public function clear()
+	public function clear($outdated = true)
 	{
+		if ($outdated) {
 			return dba::delete('cache', ['`expires` < NOW()']);
+		} else {
+			return dba::delete('cache', ['`k` IS NOT NULL ']);
+		}
 	}
 }

src/Core/Cache/ICacheDriver.php

@@ -42,8 +42,9 @@ interface ICacheDriver
 
 	/**
 	 * Remove outdated data from the cache
+	 * @param  boolean $outdated just remove outdated values
 	 *
 	 * @return bool
 	 */
-	public function clear();
+	public function clear($outdated = true);
 }

src/Core/Cache/MemcacheCacheDriver.php

@@ -96,10 +96,14 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
 	/**
 	 * (@inheritdoc)
 	 */
-	public function clear()
+	public function clear($outdated = true)
 	{
+		if ($outdated) {
+			return true;
+		} else {
 			return $this->memcache->flush();
 		}
+	}
 
 	/**
 	 * (@inheritdoc)
@@ -107,6 +111,6 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
 	public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
 	{
 		$cachekey = $this->getCacheKey($key);
-		return $this->memcache->add($cachekey, $value, $ttl);
+		return $this->memcache->add($cachekey, serialize($value), MEMCACHE_COMPRESSED, $ttl);
 	}
 }

src/Core/Cache/MemcachedCacheDriver.php

@@ -58,7 +58,7 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
 			return $this->memcached->set(
 				$cachekey,
 				$value,
-				time() + $ttl
+				$ttl
 			);
 		} else {
 			return $this->memcached->set(
@@ -75,9 +75,13 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
 		return $this->memcached->delete($cachekey);
 	}
 
-	public function clear()
+	public function clear($outdated = true)
 	{
+		if ($outdated) {
 			return true;
+		} else {
+			return $this->memcached->flush();
+		}
 	}
 
 	/**

src/Core/Cache/RedisCacheDriver.php

@@ -35,15 +35,12 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
 		$return = null;
 		$cachekey = $this->getCacheKey($key);
 
-		// We fetch with the hostname as key to avoid problems with other applications
 		$cached = $this->redis->get($cachekey);
-
+		if ($cached === false && !$this->redis->exists($cachekey)) {
-		// @see http://php.net/manual/en/redis.get.php#84275
+			return null;
-		if (is_bool($cached) || is_double($cached) || is_long($cached)) {
-			return $return;
 		}
 
-		$value = @unserialize($cached);
+		$value = json_decode($cached);
 
 		// Only return a value if the serialized value is valid.
 		// We also check if the db entry is a serialized
@@ -59,31 +56,36 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
 	{
 		$cachekey = $this->getCacheKey($key);
 
-		// We store with the hostname as key to avoid problems with other applications
+		$cached = json_encode($value);
+
 		if ($ttl > 0) {
 			return $this->redis->setex(
 				$cachekey,
-				time() + $ttl,
+				$ttl,
-				serialize($value)
+				$cached
 			);
 		} else {
 			return $this->redis->set(
 				$cachekey,
-				serialize($value)
+				$cached
 			);
 		}
 	}
 
 	public function delete($key)
 	{
-		return $this->redis->delete($key);
+		$cachekey = $this->getCacheKey($key);
+		return ($this->redis->delete($cachekey) > 0);
 	}
 
-	public function clear()
+	public function clear($outdated = true)
 	{
+		if ($outdated) {
 			return true;
+		} else {
+			return $this->redis->flushAll();
+		}
 	}
-
 
 	/**
 	 * (@inheritdoc)
@@ -91,12 +93,9 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
 	public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
 	{
 		$cachekey = $this->getCacheKey($key);
+		$cached = json_encode($value);
 
-		if (!is_int($value)) {
+		return $this->redis->setnx($cachekey, $cached);
-			$value = serialize($value);
-		}
-
-		return $this->redis->setnx($cachekey, $value);
 	}
 
 	/**
@@ -106,16 +105,14 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
 	{
 		$cachekey = $this->getCacheKey($key);
 
-		if (!is_int($newValue)) {
+		$newCached = json_encode($newValue);
-			$newValue = serialize($newValue);
-		}
 
 		$this->redis->watch($cachekey);
 		// If the old value isn't what we expected, somebody else changed the key meanwhile
-		if ($this->get($cachekey) === $oldValue) {
+		if ($this->get($key) === $oldValue) {
 			if ($ttl > 0) {
 				$result = $this->redis->multi()
-					->setex($cachekey, $ttl, $newValue)
+					->setex($cachekey, $ttl, $newCached)
 					->exec();
 			} else {
 				$result = $this->redis->multi()

src/Core/Lock/CacheLockDriver.php

@@ -2,6 +2,7 @@
 
 namespace Friendica\Core\Lock;
 
+use Friendica\Core\Cache;
 use Friendica\Core\Cache\IMemoryCacheDriver;
 
 class CacheLockDriver extends AbstractLockDriver
@@ -24,7 +25,7 @@ class CacheLockDriver extends AbstractLockDriver
 	/**
 	 * (@inheritdoc)
 	 */
-	public function acquireLock($key, $timeout = 120)
+	public function acquireLock($key, $timeout = 120, $ttl = Cache::FIVE_MINUTES)
 	{
 		$got_lock = false;
 		$start = time();
@@ -43,7 +44,7 @@ class CacheLockDriver extends AbstractLockDriver
 				// At first initialize it with "0"
 				$this->cache->add($cachekey, 0);
 				// Now the value has to be "0" because otherwise the key was used by another process meanwhile
-				if ($this->cache->compareSet($cachekey, 0, getmypid(), 300)) {
+				if ($this->cache->compareSet($cachekey, 0, getmypid(), $ttl)) {
 					$got_lock = true;
 					$this->markAcquire($key);
 				}

src/Core/Lock/DatabaseLockDriver.php

@@ -3,6 +3,7 @@
 namespace Friendica\Core\Lock;
 
 use dba;
+use Friendica\Core\Cache;
 use Friendica\Database\DBM;
 use Friendica\Util\DateTimeFormat;
 
@@ -14,7 +15,7 @@ class DatabaseLockDriver extends AbstractLockDriver
 	/**
 	 * (@inheritdoc)
 	 */
-	public function acquireLock($key, $timeout = 120)
+	public function acquireLock($key, $timeout = 120, $ttl = Cache::FIVE_MINUTES)
 	{
 		$got_lock = false;
 		$start = time();
@@ -28,16 +29,14 @@ class DatabaseLockDriver extends AbstractLockDriver
 					// We want to lock something that was already locked by us? So we got the lock.
 					if ($lock['pid'] == getmypid()) {
 						$got_lock = true;
-						$this->markAcquire($key);
 					}
 				}
 				if (!$lock['locked']) {
-					dba::update('locks', ['locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + 300seconds')], ['name' => $key]);
+					dba::update('locks', ['locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + ' . $ttl . 'seconds')], ['name' => $key]);
 					$got_lock = true;
-					$this->markAcquire($key);
 				}
 			} else {
-				dba::insert('locks', ['name' => $key, 'locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + 300seconds')]);
+				dba::insert('locks', ['name' => $key, 'locked' => true, 'pid' => getmypid(), 'expires' => DateTimeFormat::utc('now + ' . $ttl . 'seconds')]);
 				$got_lock = true;
 				$this->markAcquire($key);
 			}

src/Core/Lock/ILockDriver.php

@@ -1,6 +1,7 @@
 <?php
 
 namespace Friendica\Core\Lock;
+use Friendica\Core\Cache;
 
 /**
  * Lock Driver Interface
@@ -23,10 +24,11 @@ interface ILockDriver
 	 *
 	 * @param string  $key      The Name of the lock
 	 * @param integer $timeout  Seconds until we give up
+	 * @param integer $ttl      Seconds The lock lifespan, must be one of the Cache constants
 	 *
 	 * @return boolean Was the lock successful?
 	 */
-	public function acquireLock($key, $timeout = 120);
+	public function acquireLock($key, $timeout = 120, $ttl = Cache::FIVE_MINUTES);
 
 	/**
 	 * Releases a lock if it was set by us

src/Core/Lock/SemaphoreLockDriver.php

@@ -2,6 +2,8 @@
 
 namespace Friendica\Core\Lock;
 
+use Friendica\Core\Cache;
+
 class SemaphoreLockDriver extends AbstractLockDriver
 {
 	private static $semaphore = [];
@@ -30,10 +32,9 @@ class SemaphoreLockDriver extends AbstractLockDriver
 	}
 
 	/**
-	 *
 	 * (@inheritdoc)
 	 */
-	public function acquireLock($key, $timeout = 120)
+	public function acquireLock($key, $timeout = 120, $ttl = Cache::FIVE_MINUTES)
 	{
 		self::$semaphore[$key] = sem_get(self::semaphoreKey($key));
 		if (self::$semaphore[$key]) {

tests/src/Core/Cache/ArrayCacheDriverTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Friendica\Test\src\Core\Cache;
+
+
+use Friendica\Core\Cache\ArrayCache;
+
+class ArrayCacheDriverTest extends MemoryCacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		$this->cache = new ArrayCache();
+		return $this->cache;
+	}
+
+	public function tearDown()
+	{
+		$this->cache->clear(false);
+		parent::tearDown();
+	}
+
+	public function testTTL()
+	{
+		// Array Cache doesn't support TTL
+		return true;
+	}
+}

tests/src/Core/Cache/CacheTest.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace Friendica\Test\src\Core\Cache;
+
+use Friendica\App;
+use Friendica\Core\Config;
+use Friendica\Test\DatabaseTest;
+
+abstract class CacheTest extends DatabaseTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\ICacheDriver
+	 */
+	protected $instance;
+
+	abstract protected function getInstance();
+
+	protected function setUp()
+	{
+		global $a;
+		parent::setUp();
+		$this->instance = $this->getInstance();
+
+		// Reusable App object
+		$this->app = new App(__DIR__.'/../');
+		$a = $this->app;
+
+		// Default config
+		Config::set('config', 'hostname', 'localhost');
+		Config::set('system', 'throttle_limit_day', 100);
+		Config::set('system', 'throttle_limit_week', 100);
+		Config::set('system', 'throttle_limit_month', 100);
+		Config::set('system', 'theme', 'system_theme');
+	}
+
+	function testSimple() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->set('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+
+		$value = 'ipsum lorum';
+		$this->instance->set('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value not overwritten by second set');
+
+		$value2 = 'foobar';
+		$this->instance->set('value2', $value2);
+		$received2 = $this->instance->get('value2');
+		$this->assertEquals($value, $received, 'Value changed while setting other variable');
+		$this->assertEquals($value2, $received2, 'Second value not equal to original');
+
+		$this->assertNull($this->instance->get('not_set'), 'Unset value not equal to null');
+
+		$this->assertTrue($this->instance->delete('value1'));
+		$this->assertNull($this->instance->get('value1'));
+	}
+
+	function testClear() {
+		$value = 'ipsum lorum';
+		$this->instance->set('1_value1', $value . '1');
+		$this->instance->set('1_value2', $value . '2');
+		$this->instance->set('2_value1', $value . '3');
+		$this->instance->set('3_value1', $value . '4');
+
+		$this->assertEquals([
+			'1_value1' => 'ipsum lorum1',
+			'1_value2' => 'ipsum lorum2',
+			'2_value1' => 'ipsum lorum3',
+			'3_value1' => 'ipsum lorum4',
+		], [
+			'1_value1' => $this->instance->get('1_value1'),
+			'1_value2' => $this->instance->get('1_value2'),
+			'2_value1' => $this->instance->get('2_value1'),
+			'3_value1' => $this->instance->get('3_value1'),
+		]);
+
+		$this->assertTrue($this->instance->clear(false));
+
+		$this->assertEquals([
+			'1_value1' => null,
+			'1_value2' => null,
+			'2_value1' => null,
+			'3_value1' => null,
+		], [
+			'1_value1' => $this->instance->get('1_value1'),
+			'1_value2' => $this->instance->get('1_value2'),
+			'2_value1' => $this->instance->get('2_value1'),
+			'3_value1' => $this->instance->get('3_value1'),
+		]);
+	}
+
+	function testTTL() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->set('value1', $value, 1);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+
+		sleep(2);
+
+		$this->assertNull($this->instance->get('value1'));
+	}
+}

tests/src/Core/Cache/DatabaseCacheDriverTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Friendica\Test\src\Core\Cache;
+
+use Friendica\Core\Cache\CacheDriverFactory;
+
+class DatabaseCacheDriverTest extends CacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		$this->cache = CacheDriverFactory::create('database');
+		return $this->cache;
+	}
+
+	public function tearDown()
+	{
+		$this->cache->clear(false);
+		parent::tearDown();
+	}
+}

tests/src/Core/Cache/MemcacheCacheDriverTest.php

@@ -0,0 +1,39 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Cache;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+
+class MemcacheCacheDriverTest extends MemoryCacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Memcache')) {
+			try {
+				$this->cache = CacheDriverFactory::create('memcache');
+			} catch (\Exception $exception) {
+				print "Memcache - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return $this->cache;
+		} else {
+			$this->markTestSkipped('Memcache driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Memcache')) {
+			$this->cache->clear(false);
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Cache/MemcachedCacheDriverTest.php

@@ -0,0 +1,39 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Cache;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+
+class MemcachedCacheDriverTest extends MemoryCacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Memcached')) {
+			try {
+				$this->cache = CacheDriverFactory::create('memcached');
+			} catch (\Exception $exception) {
+				print "Memcached - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return $this->cache;
+		} else {
+			$this->markTestSkipped('Memcached driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Memcached')) {
+			$this->cache->clear(false);
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Cache/MemoryCacheTest.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace Friendica\Test\src\Core\Cache;
+
+use Friendica\Core\Cache\IMemoryCacheDriver;
+
+abstract class MemoryCacheTest extends CacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	protected $instance;
+
+	function setUp()
+	{
+		parent::setUp();
+		if (!($this->instance instanceof IMemoryCacheDriver)) {
+			throw new \Exception('MemoryCacheTest unsupported');
+		}
+	}
+
+	function testCompareSet() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->add('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+
+		$newValue = 'ipsum lorum';
+		$this->instance->compareSet('value1', $value, $newValue);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($newValue, $received, 'Value not overwritten by compareSet');
+	}
+
+	function testNegativeCompareSet() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->add('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+
+		$newValue = 'ipsum lorum';
+		$this->instance->compareSet('value1', 'wrong', $newValue);
+		$received = $this->instance->get('value1');
+		$this->assertNotEquals($newValue, $received, 'Value was wrongly overwritten by compareSet');
+		$this->assertEquals($value, $received, 'Value was wrongly overwritten by any other value');
+	}
+
+	function testCompareDelete() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->add('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+		$this->instance->compareDelete('value1', $value);
+		$this->assertNull($this->instance->get('value1'), 'Value was not deleted by compareDelete');
+	}
+
+	function testNegativeCompareDelete() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->add('value1', $value);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+		$this->instance->compareDelete('value1', 'wrong');
+		$this->assertNotNull($this->instance->get('value1'), 'Value was wrongly compareDeleted');
+
+		$this->instance->compareDelete('value1', $value);
+		$this->assertNull($this->instance->get('value1'), 'Value was wrongly NOT deleted by compareDelete');
+	}
+
+	function testAdd() {
+		$this->assertNull($this->instance->get('value1'));
+
+		$value = 'foobar';
+		$this->instance->add('value1', $value);
+
+		$newValue = 'ipsum lorum';
+		$this->instance->add('value1', $newValue);
+		$received = $this->instance->get('value1');
+		$this->assertNotEquals($newValue, $received, 'Value was wrongly overwritten by add');
+		$this->assertEquals($value, $received, 'Value was wrongly overwritten by any other value');
+
+		$this->instance->delete('value1');
+		$this->instance->add('value1', $newValue);
+		$received = $this->instance->get('value1');
+		$this->assertEquals($newValue, $received, 'Value was not overwritten by add');
+		$this->assertNotEquals($value, $received, 'Value was not overwritten by any other value');
+	}
+}

tests/src/Core/Cache/RedisCacheDriverTest.php

@@ -0,0 +1,39 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Cache;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+
+class RedisCacheDriverTest extends MemoryCacheTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Redis')) {
+			try {
+				$this->cache = CacheDriverFactory::create('redis');
+			} catch (\Exception $exception) {
+				print "Redis - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return $this->cache;
+		} else {
+			$this->markTestSkipped('Redis driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Redis')) {
+			$this->cache->clear(false);
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Lock/ArrayCacheLockDriverTest.php

@@ -6,7 +6,7 @@ namespace Friendica\Test\src\Core\Lock;
 use Friendica\Core\Cache\ArrayCache;
 use Friendica\Core\Lock\CacheLockDriver;
 
-class CacheLockDriverTest extends LockTest
+class ArrayCacheLockDriverTest extends LockTest
 {
 	/**
 	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
@@ -24,4 +24,10 @@ class CacheLockDriverTest extends LockTest
 		$this->cache->clear();
 		parent::tearDown();
 	}
+
+	public function testLockTTL()
+	{
+		// ArrayCache doesn't support TTL
+		return true;
+	}
 }

tests/src/Core/Lock/DatabaseLockDriverTest.php

@@ -11,49 +11,6 @@ use PHPUnit_Extensions_Database_DB_IDatabaseConnection;
 
 class DatabaseLockDriverTest extends LockTest
 {
-	use TestCaseTrait;
-
-	/**
-	 * Get database connection.
-	 *
-	 * This function is executed before each test in order to get a database connection that can be used by tests.
-	 * If no prior connection is available, it tries to create one using the USER, PASS and DB environment variables.
-	 *
-	 * If it could not connect to the database, the test is skipped.
-	 *
-	 * @return PHPUnit_Extensions_Database_DB_IDatabaseConnection
-	 * @see https://phpunit.de/manual/5.7/en/database.html
-	 */
-	protected function getConnection()
-	{
-		if (!dba::$connected) {
-			dba::connect('localhost', getenv('USER'), getenv('PASS'), getenv('DB'));
-
-			if (dba::$connected) {
-				$app = get_app();
-				// We need to do this in order to disable logging
-				$app->module = 'install';
-
-				// Create database structure
-				DBStructure::update(false, true, true);
-			} else {
-				$this->markTestSkipped('Could not connect to the database.');
-			}
-		}
-
-		return $this->createDefaultDBConnection(dba::get_db(), getenv('DB'));
-	}
-
-	/**
-	 * Get dataset to populate the database with.
-	 * @return YamlDataSet
-	 * @see https://phpunit.de/manual/5.7/en/database.html
-	 */
-	protected function getDataSet()
-	{
-		return new YamlDataSet(__DIR__ . '/../../../datasets/api.yml');
-	}
-
 	protected function getInstance()
 	{
 		return new DatabaseLockDriver();

tests/src/Core/Lock/LockTest.php

@@ -4,9 +4,10 @@ namespace Friendica\Test\src\Core\Lock;
 
 use Friendica\App;
 use Friendica\Core\Config;
+use Friendica\Test\DatabaseTest;
 use PHPUnit\Framework\TestCase;
 
-abstract class LockTest extends TestCase
+abstract class LockTest extends DatabaseTest
 {
 	/**
 	 * @var \Friendica\Core\Lock\ILockDriver
@@ -58,6 +59,10 @@ abstract class LockTest extends TestCase
 		$this->instance->acquireLock('bar', 1);
 		$this->instance->acquireLock('nice', 1);
 
+		$this->assertTrue($this->instance->isLocked('foo'));
+		$this->assertTrue($this->instance->isLocked('bar'));
+		$this->assertTrue($this->instance->isLocked('nice'));
+
 		$this->instance->releaseAll();
 
 		$this->assertFalse($this->instance->isLocked('foo'));
@@ -72,9 +77,33 @@ abstract class LockTest extends TestCase
 
 		$this->instance->releaseLock('foo');
 
+		$this->assertFalse($this->instance->isLocked('foo'));
+		$this->assertTrue($this->instance->isLocked('bar'));
+		$this->assertTrue($this->instance->isLocked('nice'));
+
 		$this->instance->releaseAll();
 
 		$this->assertFalse($this->instance->isLocked('bar'));
-		$this->assertFalse($this->instance->isLocked('#/$%§'));
+		$this->assertFalse($this->instance->isLocked('nice'));
+	}
+
+	function testLockTTL() {
+
+		// TODO [nupplaphil] - Because of the Datetime-Utils for the database, we have to wait a FULL second between the checks to invalidate the db-locks/cache
+		$this->instance->acquireLock('foo', 1, 1);
+		$this->instance->acquireLock('bar', 1, 3);
+
+		$this->assertTrue($this->instance->isLocked('foo'));
+		$this->assertTrue($this->instance->isLocked('bar'));
+
+		sleep(2);
+
+		$this->assertFalse($this->instance->isLocked('foo'));
+		$this->assertTrue($this->instance->isLocked('bar'));
+
+		sleep(2);
+
+		$this->assertFalse($this->instance->isLocked('foo'));
+		$this->assertFalse($this->instance->isLocked('bar'));
 	}
 }

tests/src/Core/Lock/MemcacheCacheLockDriverTest.php

@@ -0,0 +1,40 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Lock;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class MemcacheCacheLockDriverTest extends LockTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Memcache')) {
+			try {
+				$this->cache = CacheDriverFactory::create('memcache');
+			} catch (\Exception $exception) {
+				print "Memcache - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return new CacheLockDriver($this->cache);
+		} else {
+			$this->markTestSkipped('Memcache driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Memcache')) {
+			$this->cache->clear();
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Lock/MemcachedCacheLockDriverTest.php

@@ -0,0 +1,40 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Lock;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class MemcachedCacheLockDriverTest extends LockTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Memcached')) {
+			try {
+				$this->cache = CacheDriverFactory::create('memcached');
+			} catch (\Exception $exception) {
+				print "Memcached - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return new CacheLockDriver($this->cache);
+		} else {
+			$this->markTestSkipped('Memcached driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Memcached')) {
+			$this->cache->clear();
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Lock/RedisCacheLockDriverTest.php

@@ -0,0 +1,40 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Lock;
+
+
+use Friendica\Core\Cache\CacheDriverFactory;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class RedisCacheLockDriverTest extends LockTest
+{
+	/**
+	 * @var \Friendica\Core\Cache\IMemoryCacheDriver
+	 */
+	private $cache;
+
+	protected function getInstance()
+	{
+		if (class_exists('Redis')) {
+			try {
+				$this->cache = CacheDriverFactory::create('redis');
+			} catch (\Exception $exception) {
+				print "Redis - TestCase failed: " . $exception->getMessage();
+				throw new \Exception();
+			}
+			return new CacheLockDriver($this->cache);
+		} else {
+			$this->markTestSkipped('Redis driver isn\'t available');
+			return null;
+		}
+	}
+
+	public function tearDown()
+	{
+		if (class_exists('Redis')) {
+			$this->cache->clear();
+		}
+		parent::tearDown();
+	}
+}

tests/src/Core/Lock/SemaphoreLockDriverTest.php

@@ -23,4 +23,10 @@ class SemaphoreLockDriverTest extends LockTest
 		$this->semaphoreLockDriver->releaseAll();
 		parent::tearDown();
 	}
+
+	function testLockTTL()
+	{
+		// Semaphore doesn't work with TTL
+		return true;
+	}
 }