-<?php
-
-namespace Doctrine\Tests\Common\Cache;
-
-use Doctrine\Common\Cache\Cache;
-use ArrayObject;
-
-abstract class CacheTest extends \Doctrine\Tests\DoctrineTestCase
-{
- /**
- * @dataProvider provideDataToCache
- */
- public function testSetContainsFetchDelete($value)
- {
- $cache = $this->_getCacheDriver();
-
- // Test saving a value, checking if it exists, and fetching it back
- $this->assertTrue($cache->save('key', $value));
- $this->assertTrue($cache->contains('key'));
- if (is_object($value)) {
- $this->assertEquals($value, $cache->fetch('key'), 'Objects retrieved from the cache must be equal but not necessarily the same reference');
- } else {
- $this->assertSame($value, $cache->fetch('key'), 'Scalar and array data retrieved from the cache must be the same as the original, e.g. same type');
- }
-
- // Test deleting a value
- $this->assertTrue($cache->delete('key'));
- $this->assertFalse($cache->contains('key'));
- $this->assertFalse($cache->fetch('key'));
- }
-
- /**
- * @dataProvider provideDataToCache
- */
- public function testUpdateExistingEntry($value)
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertTrue($cache->save('key', 'old-value'));
- $this->assertTrue($cache->contains('key'));
-
- $this->assertTrue($cache->save('key', $value));
- $this->assertTrue($cache->contains('key'));
- if (is_object($value)) {
- $this->assertEquals($value, $cache->fetch('key'), 'Objects retrieved from the cache must be equal but not necessarily the same reference');
- } else {
- $this->assertSame($value, $cache->fetch('key'), 'Scalar and array data retrieved from the cache must be the same as the original, e.g. same type');
- }
- }
-
- public function testCacheKeyIsCaseSensitive()
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertTrue($cache->save('key', 'value'));
- $this->assertTrue($cache->contains('key'));
- $this->assertSame('value', $cache->fetch('key'));
-
- $this->assertFalse($cache->contains('KEY'));
- $this->assertFalse($cache->fetch('KEY'));
-
- $cache->delete('KEY');
- $this->assertTrue($cache->contains('key', 'Deleting cache item with different case must not affect other cache item'));
- }
-
- public function testFetchMultiple()
- {
- $cache = $this->_getCacheDriver();
- $values = $this->provideDataToCache();
- $saved = array();
-
- foreach ($values as $key => $value) {
- $cache->save($key, $value[0]);
-
- $saved[$key] = $value[0];
- }
-
- $keys = array_keys($saved);
-
- $this->assertEquals(
- $saved,
- $cache->fetchMultiple($keys),
- 'Testing fetchMultiple with different data types'
- );
- $this->assertEquals(
- array_slice($saved, 0, 1),
- $cache->fetchMultiple(array_slice($keys, 0, 1)),
- 'Testing fetchMultiple with a single key'
- );
-
- $keysWithNonExisting = array();
- $keysWithNonExisting[] = 'non_existing1';
- $keysWithNonExisting[] = $keys[0];
- $keysWithNonExisting[] = 'non_existing2';
- $keysWithNonExisting[] = $keys[1];
- $keysWithNonExisting[] = 'non_existing3';
-
- $this->assertEquals(
- array_slice($saved, 0, 2),
- $cache->fetchMultiple($keysWithNonExisting),
- 'Testing fetchMultiple with a subset of keys and mixed with non-existing ones'
- );
- }
-
- public function testFetchMultipleWithNoKeys()
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertSame(array(), $cache->fetchMultiple(array()));
- }
-
- public function testSaveMultiple()
- {
- $cache = $this->_getCacheDriver();
- $cache->deleteAll();
-
- $data = array_map(function ($value) {
- return $value[0];
- }, $this->provideDataToCache());
-
- $this->assertTrue($cache->saveMultiple($data));
-
- $keys = array_keys($data);
-
- $this->assertEquals($data, $cache->fetchMultiple($keys));
- }
-
- public function provideDataToCache()
- {
- $obj = new \stdClass();
- $obj->foo = 'bar';
- $obj2 = new \stdClass();
- $obj2->bar = 'foo';
- $obj2->obj = $obj;
- $obj->obj2 = $obj2;
-
- return array(
- 'array' => array(array('one', 2, 3.01)),
- 'string' => array('value'),
- 'string_invalid_utf8' => array("\xc3\x28"),
- 'string_null_byte' => array('with'."\0".'null char'),
- 'integer' => array(1),
- 'float' => array(1.5),
- 'object' => array(new ArrayObject(array('one', 2, 3.01))),
- 'object_recursive' => array($obj),
- 'true' => array(true),
- // the following are considered FALSE in boolean context, but caches should still recognize their existence
- 'null' => array(null),
- 'false' => array(false),
- 'array_empty' => array(array()),
- 'string_zero' => array('0'),
- 'integer_zero' => array(0),
- 'float_zero' => array(0.0),
- 'string_empty' => array(''),
- );
- }
-
- public function testDeleteIsSuccessfulWhenKeyDoesNotExist()
- {
- $cache = $this->_getCacheDriver();
-
- $cache->delete('key');
- $this->assertFalse($cache->contains('key'));
- $this->assertTrue($cache->delete('key'));
- }
-
- public function testDeleteAll()
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertTrue($cache->save('key1', 1));
- $this->assertTrue($cache->save('key2', 2));
- $this->assertTrue($cache->deleteAll());
- $this->assertFalse($cache->contains('key1'));
- $this->assertFalse($cache->contains('key2'));
- }
-
- /**
- * @dataProvider provideCacheIds
- */
- public function testCanHandleSpecialCacheIds($id)
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertTrue($cache->save($id, 'value'));
- $this->assertTrue($cache->contains($id));
- $this->assertEquals('value', $cache->fetch($id));
-
- $this->assertTrue($cache->delete($id));
- $this->assertFalse($cache->contains($id));
- $this->assertFalse($cache->fetch($id));
- }
-
- public function testNoCacheIdCollisions()
- {
- $cache = $this->_getCacheDriver();
-
- $ids = $this->provideCacheIds();
-
- // fill cache with each id having a different value
- foreach ($ids as $index => $id) {
- $cache->save($id[0], $index);
- }
-
- // then check value of each cache id
- foreach ($ids as $index => $id) {
- $value = $cache->fetch($id[0]);
- $this->assertNotFalse($value, sprintf('Failed to retrieve data for cache id "%s".', $id[0]));
- if ($index !== $value) {
- $this->fail(sprintf('Cache id "%s" collides with id "%s".', $id[0], $ids[$value][0]));
- }
- }
- }
-
- /**
- * Returns cache ids with special characters that should still work.
- *
- * For example, the characters :\/<>"*?| are not valid in Windows filenames. So they must be encoded properly.
- * Each cache id should be considered different from the others.
- *
- * @return array
- */
- public function provideCacheIds()
- {
- return array(
- array(':'),
- array('\\'),
- array('/'),
- array('<'),
- array('>'),
- array('"'),
- array('*'),
- array('?'),
- array('|'),
- array('['),
- array(']'),
- array('ä'),
- array('a'),
- array('é'),
- array('e'),
- array('.'), // directory traversal
- array('..'), // directory traversal
- array('-'),
- array('_'),
- array('$'),
- array('%'),
- array(' '),
- array("\0"),
- array(''),
- array(str_repeat('a', 300)), // long key
- array(str_repeat('a', 113)),
- );
- }
-
- public function testLifetime()
- {
- $cache = $this->_getCacheDriver();
- $cache->save('expire', 'value', 1);
- $this->assertTrue($cache->contains('expire'), 'Data should not be expired yet');
- // @TODO should more TTL-based tests pop up, so then we should mock the `time` API instead
- sleep(2);
- $this->assertFalse($cache->contains('expire'), 'Data should be expired');
- }
-
- public function testNoExpire()
- {
- $cache = $this->_getCacheDriver();
- $cache->save('noexpire', 'value', 0);
- // @TODO should more TTL-based tests pop up, so then we should mock the `time` API instead
- sleep(1);
- $this->assertTrue($cache->contains('noexpire'), 'Data with lifetime of zero should not expire');
- }
-
- public function testLongLifetime()
- {
- $cache = $this->_getCacheDriver();
- $cache->save('longlifetime', 'value', 30 * 24 * 3600 + 1);
- $this->assertTrue($cache->contains('longlifetime'), 'Data with lifetime > 30 days should be accepted');
- }
-
- public function testDeleteAllAndNamespaceVersioningBetweenCaches()
- {
- if ( ! $this->isSharedStorage()) {
- $this->markTestSkipped('The cache storage needs to be shared.');
- }
-
- $cache1 = $this->_getCacheDriver();
- $cache2 = $this->_getCacheDriver();
-
- $this->assertTrue($cache1->save('key1', 1));
- $this->assertTrue($cache2->save('key2', 2));
-
- /* Both providers are initialized with the same namespace version, so
- * they can see entries set by each other.
- */
- $this->assertTrue($cache1->contains('key1'));
- $this->assertTrue($cache1->contains('key2'));
- $this->assertTrue($cache2->contains('key1'));
- $this->assertTrue($cache2->contains('key2'));
-
- /* Deleting all entries through one provider will only increment the
- * namespace version on that object (and in the cache itself, which new
- * instances will use to initialize). The second provider will retain
- * its original version and still see stale data.
- */
- $this->assertTrue($cache1->deleteAll());
- $this->assertFalse($cache1->contains('key1'));
- $this->assertFalse($cache1->contains('key2'));
- $this->assertTrue($cache2->contains('key1'));
- $this->assertTrue($cache2->contains('key2'));
-
- /* A new cache provider should not see the deleted entries, since its
- * namespace version will be initialized.
- */
- $cache3 = $this->_getCacheDriver();
- $this->assertFalse($cache3->contains('key1'));
- $this->assertFalse($cache3->contains('key2'));
- }
-
- public function testFlushAll()
- {
- $cache = $this->_getCacheDriver();
-
- $this->assertTrue($cache->save('key1', 1));
- $this->assertTrue($cache->save('key2', 2));
- $this->assertTrue($cache->flushAll());
- $this->assertFalse($cache->contains('key1'));
- $this->assertFalse($cache->contains('key2'));
- }
-
- public function testFlushAllAndNamespaceVersioningBetweenCaches()
- {
- if ( ! $this->isSharedStorage()) {
- $this->markTestSkipped('The cache storage needs to be shared.');
- }
-
- $cache1 = $this->_getCacheDriver();
- $cache2 = $this->_getCacheDriver();
-
- /* Deleting all elements from the first provider should increment its
- * namespace version before saving the first entry.
- */
- $cache1->deleteAll();
- $this->assertTrue($cache1->save('key1', 1));
-
- /* The second provider will be initialized with the same namespace
- * version upon its first save operation.
- */
- $this->assertTrue($cache2->save('key2', 2));
-
- /* Both providers have the same namespace version and can see entries
- * set by each other.
- */
- $this->assertTrue($cache1->contains('key1'));
- $this->assertTrue($cache1->contains('key2'));
- $this->assertTrue($cache2->contains('key1'));
- $this->assertTrue($cache2->contains('key2'));
-
- /* Flushing all entries through one cache will remove all entries from
- * the cache but leave their namespace version as-is.
- */
- $this->assertTrue($cache1->flushAll());
- $this->assertFalse($cache1->contains('key1'));
- $this->assertFalse($cache1->contains('key2'));
- $this->assertFalse($cache2->contains('key1'));
- $this->assertFalse($cache2->contains('key2'));
-
- /* Inserting a new entry will use the same, incremented namespace
- * version, and it will be visible to both providers.
- */
- $this->assertTrue($cache1->save('key1', 1));
- $this->assertTrue($cache1->contains('key1'));
- $this->assertTrue($cache2->contains('key1'));
-
- /* A new cache provider will be initialized with the original namespace
- * version and not share any visibility with the first two providers.
- */
- $cache3 = $this->_getCacheDriver();
- $this->assertFalse($cache3->contains('key1'));
- $this->assertFalse($cache3->contains('key2'));
- $this->assertTrue($cache3->save('key3', 3));
- $this->assertTrue($cache3->contains('key3'));
- }
-
- public function testNamespace()
- {
- $cache = $this->_getCacheDriver();
-
- $cache->setNamespace('ns1_');
-
- $this->assertTrue($cache->save('key1', 1));
- $this->assertTrue($cache->contains('key1'));
-
- $cache->setNamespace('ns2_');
-
- $this->assertFalse($cache->contains('key1'));
- }
-
- public function testDeleteAllNamespace()
- {
- $cache = $this->_getCacheDriver();
-
- $cache->setNamespace('ns1');
- $this->assertFalse($cache->contains('key1'));
- $cache->save('key1', 'test');
- $this->assertTrue($cache->contains('key1'));
-
- $cache->setNamespace('ns2');
- $this->assertFalse($cache->contains('key1'));
- $cache->save('key1', 'test');
- $this->assertTrue($cache->contains('key1'));
-
- $cache->setNamespace('ns1');
- $this->assertTrue($cache->contains('key1'));
- $cache->deleteAll();
- $this->assertFalse($cache->contains('key1'));
-
- $cache->setNamespace('ns2');
- $this->assertTrue($cache->contains('key1'));
- $cache->deleteAll();
- $this->assertFalse($cache->contains('key1'));
- }
-
- /**
- * @group DCOM-43
- */
- public function testGetStats()
- {
- $cache = $this->_getCacheDriver();
- $stats = $cache->getStats();
-
- $this->assertArrayHasKey(Cache::STATS_HITS, $stats);
- $this->assertArrayHasKey(Cache::STATS_MISSES, $stats);
- $this->assertArrayHasKey(Cache::STATS_UPTIME, $stats);
- $this->assertArrayHasKey(Cache::STATS_MEMORY_USAGE, $stats);
- $this->assertArrayHasKey(Cache::STATS_MEMORY_AVAILABLE, $stats);
- }
-
- public function testSaveReturnsTrueWithAndWithoutTTlSet()
- {
- $cache = $this->_getCacheDriver();
- $cache->deleteAll();
- $this->assertTrue($cache->save('without_ttl', 'without_ttl'));
- $this->assertTrue($cache->save('with_ttl', 'with_ttl', 3600));
- }
-
- public function testValueThatIsFalseBooleanIsProperlyRetrieved()
- {
- $cache = $this->_getCacheDriver();
- $cache->deleteAll();
-
- $this->assertTrue($cache->save('key1', false));
- $this->assertTrue($cache->contains('key1'));
- $this->assertFalse($cache->fetch('key1'));
- }
-
- /**
- * Return whether multiple cache providers share the same storage.
- *
- * This is used for skipping certain tests for shared storage behavior.
- *
- * @return bool
- */
- protected function isSharedStorage()
- {
- return true;
- }
-
- /**
- * @return \Doctrine\Common\Cache\CacheProvider
- */
- abstract protected function _getCacheDriver();
-}