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Added Unittests for cache

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fixed Lock & Cache bugs
This commit is contained in:
Philipp Holzer 2018-07-07 19:46:16 +02:00
parent 1dafaa69c5
commit 80a4e6263f
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GPG key ID: 58160D7D6AF942B6
18 changed files with 317 additions and 25 deletions
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2
src/Core/Cache/ArrayCache.php
View file

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public function clear($outdated = true)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

10
src/Core/Cache/DatabaseCacheDriver.php
View file

@ -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public function clear($outdated = true)
{
return dba::delete('cache', ['`expires` < NOW()']);
if ($outdated) {
return dba::delete('cache', ['`expires` < NOW()']);
} else {
return dba::delete('cache', ['`k` IS NOT NULL ']);
}
}
}

3
src/Core/Cache/ICacheDriver.php
View file

@ -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* Remove outdated data from the cache
* @param boolean $outdated just remove outdated values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public function clear($outdated = true);
}

8
src/Core/Cache/MemcacheCacheDriver.php
View file

@ -96,9 +96,13 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
/**
* (@inheritdoc)
*/
public function clear()
public function clear($outdated = true)
{
return $this->memcache->flush();
if ($outdated) {
return true;
} else {
return $this->memcache->flush();
}
}
/**

10
src/Core/Cache/MemcachedCacheDriver.php
View file

@ -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)
{
return $this->memcached->flush();
if ($outdated) {
return true;
} else {
return $this->memcached->flush();
}
}
/**

13
src/Core/Cache/RedisCacheDriver.php
View file

@ -61,7 +61,7 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
if ($ttl > 0) {
return $this->redis->setex(
$cachekey,
time() + $ttl,
$ttl,
$cached
);
} else {
@ -78,12 +78,15 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
return ($this->redis->delete($cachekey) > 0);
}
public function clear()
public function clear($outdated = true)
{
return $this->redis->flushAll();
if ($outdated) {
return true;
} else {
return $this->redis->flushAll();
}
}
/**
* (@inheritdoc)
*/
@ -92,7 +95,7 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
$cachekey = $this->getCacheKey($key);
$cached = json_encode($value);
return $this->redis->setnx($cachekey, $value);
return $this->redis->setnx($cachekey, $cached);
}
/**

5
src/Core/Lock/CacheLockDriver.php
View file

@ -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);
}

9
src/Core/Lock/DatabaseLockDriver.php
View file

@ -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);
}

4
src/Core/Lock/ILockDriver.php
View file

@ -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

5
src/Core/Lock/SemaphoreLockDriver.php
View file

@ -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]) {

32
tests/src/Core/Cache/ArrayCacheDriverTest.php Normal file
View file

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

106
tests/src/Core/Cache/CacheTest.php Normal file
View file

@ -0,0 +1,106 @@
<?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'));
}
}

25
tests/src/Core/Cache/DatabaseCacheDriverTest.php Normal file
View file

@ -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();
parent::tearDown();
}
}

39
tests/src/Core/Cache/MemcachedCacheDriverTest.php Normal file
View file

@ -0,0 +1,39 @@
<?php
namespace Friendica\Test\src\Core\Cache;
use Friendica\Core\Cache\CacheDriverFactory;
class MemcachedCacheDriverTest extends CacheTest
{
/**
* @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();
}
parent::tearDown();
}
}

39
tests/src/Core/Cache/RedisCacheDriverTest.php Normal file
View file

@ -0,0 +1,39 @@
<?php
namespace Friendica\Test\src\Core\Cache;
use Friendica\Core\Cache\CacheDriverFactory;
class RedisCacheDriverTest extends CacheTest
{
/**
* @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();
}
parent::tearDown();
}
}

6
tests/src/Core/Lock/ArrayCacheLockDriverTest.php
View file

@ -24,4 +24,10 @@ class ArrayCacheLockDriverTest extends LockTest
$this->cache->clear();
parent::tearDown();
}
public function testLockTTL()
{
// ArrayCache doesn't support TTL
return true;
}
}

20
tests/src/Core/Lock/LockTest.php
View file

@ -86,4 +86,24 @@ abstract class LockTest extends DatabaseTest
$this->assertFalse($this->instance->isLocked('bar'));
$this->assertFalse($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'));
}
}

6
tests/src/Core/Lock/SemaphoreLockDriverTest.php
View file

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