public function test_different_caches_have_different_prefixes()
{
$definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_apcu', 'phpunit_test');
$instance = new cachestore_apcu('Test', cachestore_apcu::unit_test_configuration());
$instance->initialise($definition);
$definition2 = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_apcu', 'phpunit_test2');
$instance2 = new cachestore_apcu('Test', cachestore_apcu::unit_test_configuration());
$instance2->initialise($definition2);
$instance->set('test1', 1);
$this->assertFalse($instance2->get('test1'));
$instance2->purge();
$this->assertSame(1, $instance->get('test1'));
}
/**
* Test purging the apcu cache store.
*/
public function test_purge()
{
if (!cachestore_apcu::are_requirements_met()) {
$this->markTestSkipped('Could not test cachestore_apcu. Requirements are not met.');
}
$definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_apcu', 'phpunit_test');
$instance = cachestore_apcu::initialise_unit_test_instance($definition);
// Test a simple purge return.
$this->assertTrue($instance->purge());
// Test purge works.
$this->assertTrue($instance->set('test', 'monster'));
$this->assertSame('monster', $instance->get('test'));
$this->assertTrue($instance->purge());
$this->assertFalse($instance->get('test'));
// Test purge with custom data.
$this->assertTrue($instance->set('test', 'monster'));
$this->assertSame('monster', $instance->get('test'));
$this->assertTrue(apcu_store('test', 'pirate', 180));
$this->assertSame('monster', $instance->get('test'));
$this->assertTrue(apcu_exists('test'));
$this->assertSame('pirate', apcu_fetch('test'));
// Purge and check that our data is gone but the the custom data is still there.
$this->assertTrue($instance->purge());
$this->assertFalse($instance->get('test'));
$this->assertTrue(apcu_exists('test'));
$this->assertSame('pirate', apcu_fetch('test'));
}
/**
* Generates an instance of the cache store that can be used for testing.
*
* @param cache_definition $definition
* @return cachestore_apcu|false
*/
public static function initialise_unit_test_instance(cache_definition $definition)
{
if (!self::are_requirements_met()) {
return false;
}
$store = new cachestore_apcu('Test APCu', array('prefix' => 'phpunit'));
if (!$store->is_ready()) {
return false;
}
$store->initialise($definition);
return $store;
}
/**
* Generates an instance of the cache store that can be used for testing.
*
* @param cache_definition $definition
* @return cachestore_apcu|false
*/
public static function initialise_unit_test_instance(cache_definition $definition)
{
if (!self::are_requirements_met()) {
return false;
}
if (!defined('TEST_CACHESTORE_APCU')) {
return false;
}
$store = new cachestore_apcu('Test APCu', array());
if (!$store->is_ready()) {
return false;
}
$store->initialise($definition);
return $store;
}
/**
* Generates an instance of the cache store that can be used for testing.
*
* Returns an instance of the cache store, or false if one cannot be created.
*
* @param cache_definition $definition
* @return cache_store
*/
public static function initialise_test_instance(cache_definition $definition)
{
$testperformance = get_config('cachestore_apcu', 'testperformance');
if (empty($testperformance)) {
return false;
}
if (!self::are_requirements_met()) {
return false;
}
$name = 'APCu test';
$cache = new cachestore_apcu($name);
// No need to check if is_ready() as this has already being done by requirement check.
$cache->initialise($definition);
return $cache;
}