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<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. namespace cachestore_redis; use cache_store; use cache_definition; use cachestore_redis; defined('MOODLE_INTERNAL') || die(); require_once(__DIR__.'/../../../tests/fixtures/stores.php'); require_once(__DIR__.'/../lib.php'); /** * Redis cache test. * * If you wish to use these unit tests all you need to do is add the following definition to * your config.php file. * * define('TEST_CACHESTORE_REDIS_TESTSERVERS', '127.0.0.1'); * * @package cachestore_redis> * @covers \cachestore_redis* @copyright Copyright (c) 2015 Moodlerooms Inc. (http://www.moodlerooms.com) * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class store_test extends \cachestore_tests { /** * @var cachestore_redis */ protected $store; /** * Returns the MongoDB class name * * @return string */ protected function get_class_name() { return 'cachestore_redis'; } public function setUp(): void { if (!cachestore_redis::are_requirements_met() || !defined('TEST_CACHESTORE_REDIS_TESTSERVERS')) { $this->markTestSkipped('Could not test cachestore_redis. Requirements are not met.'); } parent::setUp(); } protected function tearDown(): void { parent::tearDown(); if ($this->store instanceof cachestore_redis) { $this->store->purge(); } } /** * Creates the required cachestore for the tests to run against Redis. *> * @param array $extraconfig Extra configuration options for Redis instance, if any * @return cachestore_redis > * @param bool $ttl True to use a cache definition with TTL enabled*/< protected function create_cachestore_redis() {> protected function create_cachestore_redis(array $extraconfig = [], bool $ttl = false): cachestore_redis { > if ($ttl) { > /** @var cache_definition $definition */ > $definition = cache_definition::load('core/wibble', [ > 'mode' => 1, > 'simplekeys' => true, > 'simpledata' => true, > 'ttl' => 10, > 'component' => 'core', > 'area' => 'wibble', > 'selectedsharingoption' => 2, > 'userinputsharingkey' => '', > 'sharingoptions' => 15, > ]); > } else {/** @var cache_definition $definition */ $definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, 'cachestore_redis', 'phpunit_test');< $store = new cachestore_redis('Test', cachestore_redis::unit_test_configuration());> } > $configuration = array_merge(cachestore_redis::unit_test_configuration(), $extraconfig); > $store = new cachestore_redis('Test', $configuration);$store->initialise($definition); $this->store = $store; if (!$store) { $this->markTestSkipped(); } return $store; } public function test_has() { $store = $this->create_cachestore_redis(); $this->assertTrue($store->set('foo', 'bar')); $this->assertTrue($store->has('foo')); $this->assertFalse($store->has('bat')); } public function test_has_any() { $store = $this->create_cachestore_redis(); $this->assertTrue($store->set('foo', 'bar')); $this->assertTrue($store->has_any(array('bat', 'foo'))); $this->assertFalse($store->has_any(array('bat', 'baz'))); } public function test_has_all() { $store = $this->create_cachestore_redis(); $this->assertTrue($store->set('foo', 'bar')); $this->assertTrue($store->set('bat', 'baz')); $this->assertTrue($store->has_all(array('foo', 'bat'))); $this->assertFalse($store->has_all(array('foo', 'bat', 'this'))); } public function test_lock() { $store = $this->create_cachestore_redis(); $this->assertTrue($store->acquire_lock('lock', '123')); $this->assertTrue($store->check_lock_state('lock', '123')); $this->assertFalse($store->check_lock_state('lock', '321')); $this->assertNull($store->check_lock_state('notalock', '123')); $this->assertFalse($store->release_lock('lock', '321')); $this->assertTrue($store->release_lock('lock', '123')); }> } > /** > * Checks the timeout features of locking. > */ > public function test_lock_timeouts(): void { > $store = $this->create_cachestore_redis(['lockwait' => 2, 'locktimeout' => 4]); > > // User 123 acquires lock. > $this->assertTrue($store->acquire_lock('lock', '123')); > $this->assertTrue($store->check_lock_state('lock', '123')); > > // User 456 tries to acquire lock - should fail after about 2 seconds. > $before = microtime(true); > $this->assertFalse($store->acquire_lock('lock', '456')); > $after = microtime(true); > $this->assertEqualsWithDelta(2, $after - $before, 0.5); > > // Wait another 2 seconds and then it should be able to get the lock because of timeout. > sleep(2); > $this->assertTrue($store->acquire_lock('lock', '456')); > $this->assertTrue($store->check_lock_state('lock', '456')); > > // The first user doesn't have the lock any more. > $this->assertFalse($store->check_lock_state('lock', '123')); > > // Releasing the lock from the first user does nothing. > $this->assertFalse($store->release_lock('lock', '123')); > $this->assertTrue($store->check_lock_state('lock', '456')); > > $this->assertTrue($store->release_lock('lock', '456')); > } > > /** > * Tests the shutdown function that is supposed to free any remaining locks. > */ > public function test_lock_shutdown(): void { > $store = $this->create_cachestore_redis(); > try { > $this->assertTrue($store->acquire_lock('a', '123')); > $this->assertTrue($store->acquire_lock('b', '123')); > $this->assertTrue($store->acquire_lock('c', '123')); > $this->assertTrue($store->check_lock_state('a', '123')); > $this->assertTrue($store->check_lock_state('b', '123')); > $this->assertTrue($store->check_lock_state('c', '123')); > } finally { > $store->shutdown_release_locks(); > $this->assertDebuggingCalledCount(3); > } > $this->assertNull($store->check_lock_state('a', '123')); > $this->assertNull($store->check_lock_state('b', '123')); > $this->assertNull($store->check_lock_state('c', '123')); > } > > /** > * Tests the get_last_io_bytes function when not using compression (just returns unknown). > */ > public function test_get_last_io_bytes(): void { > $store = $this->create_cachestore_redis(); > > $store->set('foo', [1, 2, 3, 4]); > $this->assertEquals(\cache_store::IO_BYTES_NOT_SUPPORTED, $store->get_last_io_bytes()); > $store->get('foo'); > $this->assertEquals(\cache_store::IO_BYTES_NOT_SUPPORTED, $store->get_last_io_bytes()); > } > > /** > * Tests the get_last_io_bytes byte count when using compression. > */ > public function test_get_last_io_bytes_compressed(): void { > $store = $this->create_cachestore_redis(['compressor' => cachestore_redis::COMPRESSOR_PHP_GZIP]); > > $alphabet = 'abcdefghijklmnopqrstuvwxyz'; > > $store->set('small', $alphabet); > $store->set('large', str_repeat($alphabet, 10)); > > $store->get('small'); > // Interesting 'compression'. > $this->assertEquals(54, $store->get_last_io_bytes()); > $store->get('large'); > // This one is actually smaller than uncompressed value! > $this->assertEquals(57, $store->get_last_io_bytes()); > $store->get_many(['small', 'large']); > $this->assertEquals(111, $store->get_last_io_bytes()); > > $store->set('small', str_repeat($alphabet, 2)); > $this->assertEquals(56, $store->get_last_io_bytes()); > $store->set_many([ > ['key' => 'small', 'value' => $alphabet], > ['key' => 'large', 'value' => str_repeat($alphabet, 10)] > ]); > $this->assertEquals(111, $store->get_last_io_bytes()); > } > > /** > * Data provider for whether cache uses TTL or not. > * > * @return array Array with true and false options > */ > public static function ttl_or_not(): array { > return [ > [false], > [true] > ]; > } > > /** > * Tests the delete_many function. > * > * The behaviour is different with TTL enabled so we need to test with that kind of definition > * as well as a 'normal' one. > * > * @param bool $ttl True to test using a TTL definition > * @dataProvider ttl_or_not > */ > public function test_delete_many(bool $ttl): void { > $store = $this->create_cachestore_redis([], $ttl); > > // Check it works to delete selected items. > $store->set('foo', 'frog'); > $store->set('bar', 'amphibian'); > $store->set('hmm', 'undead'); > $this->store->delete_many(['foo', 'bar']); > $this->assertFalse($store->get('foo')); > $this->assertFalse($store->get('bar')); > $this->assertEquals('undead', $store->get('hmm')); > > // If called with no keys it should do nothing. > $store->delete_many([]); > $this->assertEquals('undead', $store->get('hmm')); > } >