/**
* Tests the valid keys to ensure they work.
*/
public function test_valid_keys()
{
$definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_memcache', 'phpunit_test');
$instance = cachestore_memcache::initialise_test_instance($definition);
if (!$instance) {
// Something prevented memcache store to be inited (extension, TEST_CACHESTORE_MEMCACHE_TESTSERVERS...).
$this->markTestSkipped();
}
$keys = array('abc', 'ABC', '123', 'aB1', '1aB', 'a-1', '1-a', '-a1', 'a1-', 'a_1', '1_a', '_a1', 'a1_');
foreach ($keys as $key) {
$this->assertTrue($instance->set($key, $key), "Failed to set key `{$key}`");
}
foreach ($keys as $key) {
$this->assertEquals($key, $instance->get($key), "Failed to get key `{$key}`");
}
$values = $instance->get_many($keys);
foreach ($values as $key => $value) {
$this->assertEquals($key, $value);
}
}
/**
* Generates an instance of the cache store that can be used for testing.
*
* @param cache_definition $definition
* @return cachestore_memcache|false
*/
public static function initialise_test_instance(cache_definition $definition)
{
if (!self::are_requirements_met()) {
return false;
}
$config = get_config('cachestore_memcache');
if (empty($config->testservers)) {
return false;
}
$configuration = array();
$configuration['servers'] = explode("\n", $config->testservers);
$store = new cachestore_memcache('Test memcache', $configuration);
$store->initialise($definition);
return $store;
}
/**
* Test our checks for encoding.
*/
public function test_require_encoding()
{
$this->assertTrue(cachestore_memcache::require_encoding('dev'));
$this->assertTrue(cachestore_memcache::require_encoding('1.0'));
$this->assertTrue(cachestore_memcache::require_encoding('1.0.0'));
$this->assertTrue(cachestore_memcache::require_encoding('2.0'));
$this->assertTrue(cachestore_memcache::require_encoding('2.0.8'));
$this->assertTrue(cachestore_memcache::require_encoding('2.2.8'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0-dev'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0.0'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0.1'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0.2-dev'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0.2'));
$this->assertTrue(cachestore_memcache::require_encoding('3.0.3-dev'));
$this->assertFalse(cachestore_memcache::require_encoding('3.0.3'));
$this->assertFalse(cachestore_memcache::require_encoding('3.0.4'));
$this->assertFalse(cachestore_memcache::require_encoding('3.0.4-dev'));
$this->assertFalse(cachestore_memcache::require_encoding('3.0.8'));
$this->assertFalse(cachestore_memcache::require_encoding('3.1.0'));
$this->assertFalse(cachestore_memcache::require_encoding('3.1.2'));
}
/**
* Creates a test instance for unit tests if possible.
* @param cache_definition $definition
* @return bool|cachestore_memcache
*/
public static function initialise_unit_test_instance(cache_definition $definition)
{
if (!self::are_requirements_met()) {
return false;
}
if (!defined('TEST_CACHESTORE_MEMCACHE_TESTSERVERS')) {
return false;
}
$configuration = array();
$configuration['servers'] = explode("\n", TEST_CACHESTORE_MEMCACHE_TESTSERVERS);
$store = new cachestore_memcache('Test memcache', $configuration);
$store->initialise($definition);
return $store;
}
/**
* Tests the clustering feature.
*/
public function test_clustered()
{
$this->resetAfterTest(true);
if (!defined('TEST_CACHESTORE_MEMCACHE_TESTSERVERS')) {
$this->markTestSkipped();
}
$testservers = explode("\n", trim(TEST_CACHESTORE_MEMCACHE_TESTSERVERS));
if (count($testservers) < 2) {
$this->markTestSkipped();
}
// User the first server as our primary.
set_config('testservers', $testservers[0], 'cachestore_memcache');
set_config('testsetservers', TEST_CACHESTORE_MEMCACHE_TESTSERVERS, 'cachestore_memcache');
set_config('testclustered', true, 'cachestore_memcache');
// First and instance that we can use to test the second server.
$definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_memcache', 'phpunit_test');
$instance = cachestore_memcache::initialise_test_instance($definition);
if (!$instance) {
$this->markTestSkipped();
}
// Now we are going to setup a connection to each independent server.
set_config('testclustered', false, 'cachestore_memcache');
set_config('testsetservers', '', 'cachestore_memcache');
$checkinstances = array();
foreach ($testservers as $testserver) {
set_config('testservers', $testserver, 'cachestore_memcache');
$checkinstance = cachestore_memcache::initialise_test_instance($definition);
if (!$checkinstance) {
$this->markTestSkipped();
}
$checkinstances[] = $checkinstance;
}
$keys = array('abc', 'ABC', '123', 'aB1', '1aB', 'a-1', '1-a', '-a1', 'a1-', 'a_1', '1_a', '_a1', 'a1_');
// Set each key.
foreach ($keys as $key) {
$this->assertTrue($instance->set($key, $key), "Failed to set key `{$key}`");
}
// Check each key.
foreach ($keys as $key) {
$this->assertEquals($key, $instance->get($key), "Failed to get key `{$key}`");
foreach ($checkinstances as $id => $checkinstance) {
$this->assertEquals($key, $checkinstance->get($key), "Failed to get key `{$key}` from server {$id}");
}
}
// Reset a key.
$this->assertTrue($instance->set($keys[0], 'New'), "Failed to reset key `{$key}`");
$this->assertEquals('New', $instance->get($keys[0]), "Failed to get reset key `{$key}`");
foreach ($checkinstances as $id => $checkinstance) {
$this->assertEquals('New', $checkinstance->get($keys[0]), "Failed to get reset key `{$key}` from server {$id}");
}
// Delete and check that we can't retrieve.
foreach ($keys as $key) {
$this->assertTrue($instance->delete($key), "Failed to delete key `{$key}`");
$this->assertFalse($instance->get($key), "Retrieved deleted key `{$key}`");
foreach ($checkinstances as $id => $checkinstance) {
$this->assertFalse($checkinstance->get($key), "Retrieved deleted key `{$key}` from server {$id}");
}
}
// Try set many, and check that count is correct.
$many = array();
foreach ($keys as $key) {
$many[] = array('key' => $key, 'value' => $key);
}
$returncount = $instance->set_many($many);
$this->assertEquals(count($many), $returncount, 'Set many count didn\'t match');
// Check keys retrieved with get_many.
$values = $instance->get_many($keys);
foreach ($keys as $key) {
$this->assertTrue(isset($values[$key]), "Failed to get_many key `{$key}`");
$this->assertEquals($key, $values[$key], "Failed to match get_many key `{$key}`");
}
foreach ($checkinstances as $id => $checkinstance) {
$values = $checkinstance->get_many($keys);
foreach ($keys as $key) {
$this->assertTrue(isset($values[$key]), "Failed to get_many key `{$key}` from server {$id}");
$this->assertEquals($key, $values[$key], "Failed to get_many key `{$key}` from server {$id}");
}
}
// Delete many, make sure count matches.
$returncount = $instance->delete_many($keys);
$this->assertEquals(count($many), $returncount, 'Delete many count didn\'t match');
// Check that each key was deleted.
foreach ($keys as $key) {
$this->assertFalse($instance->get($key), "Retrieved many deleted key `{$key}`");
foreach ($checkinstances as $id => $checkinstance) {
$this->assertFalse($checkinstance->get($key), "Retrieved many deleted key `{$key}` from server {$id}");
}
}
// Set the keys again.
$returncount = $instance->set_many($many);
$this->assertEquals(count($many), $returncount, 'Set many count didn\'t match');
// Purge.
$this->assertTrue($instance->purge(), 'Failure to purge');
// Delete and check that we can't retrieve.
foreach ($keys as $key) {
$this->assertFalse($instance->get($key), "Retrieved purged key `{$key}`");
foreach ($checkinstances as $id => $checkinstance) {
$this->assertFalse($checkinstance->get($key), "Retrieved purged key `{$key}` from server 2");
}
}
}