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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?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/>.

/**
 * Cache store test fixtures.
 *
 * @package    core
 * @category   cache
 * @copyright  2013 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * An abstract class to make writing unit tests for cache stores very easy.
 *
 * @package    core
 * @category   cache
 * @copyright  2013 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
abstract class cachestore_tests extends advanced_testcase {

    /**
     * Returns the class name for the store.
     *
     * @return string
     */
    abstract protected function get_class_name();

    /**
     * Sets up the fixture, for example, open a network connection.
     * This method is called before a test is executed.
     */
< public function setUp() {
> public function setUp(): void {
$class = $this->get_class_name(); if (!class_exists($class) || !$class::are_requirements_met()) { $this->markTestSkipped('Could not test '.$class.'. Requirements are not met.'); } parent::setUp(); } /** * Run the unit tests for the store. */ public function test_test_instance() { $class = $this->get_class_name(); $modes = $class::get_supported_modes(); if ($modes & cache_store::MODE_APPLICATION) { $definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, $class, 'phpunit_test'); $instance = new $class($class.'_test', $class::unit_test_configuration()); if (!$instance->is_ready()) { $this->markTestSkipped('Could not test '.$class.'. No test instance configured for application caches.'); } else { $instance->initialise($definition); $this->run_tests($instance); } } if ($modes & cache_store::MODE_SESSION) { $definition = cache_definition::load_adhoc(cache_store::MODE_SESSION, $class, 'phpunit_test'); $instance = new $class($class.'_test', $class::unit_test_configuration()); if (!$instance->is_ready()) { $this->markTestSkipped('Could not test '.$class.'. No test instance configured for session caches.'); } else { $instance->initialise($definition); $this->run_tests($instance); } } if ($modes & cache_store::MODE_REQUEST) { $definition = cache_definition::load_adhoc(cache_store::MODE_REQUEST, $class, 'phpunit_test'); $instance = new $class($class.'_test', $class::unit_test_configuration()); if (!$instance->is_ready()) { $this->markTestSkipped('Could not test '.$class.'. No test instance configured for request caches.'); } else { $instance->initialise($definition); $this->run_tests($instance); } } } /** * Test the store for basic functionality. */ public function run_tests(cache_store $instance) { $object = new stdClass; $object->data = 1; // Test set with a string. $this->assertTrue($instance->set('test1', 'test1')); $this->assertTrue($instance->set('test2', 'test2')); $this->assertTrue($instance->set('test3', '3')); $this->assertTrue($instance->set('other3', '3')); // Test get with a string. $this->assertSame('test1', $instance->get('test1')); $this->assertSame('test2', $instance->get('test2')); $this->assertSame('3', $instance->get('test3')); // Test find and find with prefix if this class implements the searchable interface. if ($instance->is_searchable()) { // Extra settings here ignore the return order of the array.
< $this->assertEquals(['test3', 'test1', 'test2', 'other3'], $instance->find_all(), '', 0, 1, true);
> $this->assertEqualsCanonicalizing(['test3', 'test1', 'test2', 'other3'], $instance->find_all());
// Extra settings here ignore the return order of the array.
< $this->assertEquals(['test2', 'test1', 'test3'], $instance->find_by_prefix('test'), '', 0, 1, true);
> $this->assertEqualsCanonicalizing(['test2', 'test1', 'test3'], $instance->find_by_prefix('test'));
$this->assertEquals(['test2'], $instance->find_by_prefix('test2')); $this->assertEquals(['other3'], $instance->find_by_prefix('other')); $this->assertEquals([], $instance->find_by_prefix('nothere')); } // Test set with an int. $this->assertTrue($instance->set('test1', 1)); $this->assertTrue($instance->set('test2', 2)); // Test get with an int. $this->assertSame(1, $instance->get('test1'));
< $this->assertInternalType('int', $instance->get('test1'));
> $this->assertIsInt($instance->get('test1'));
$this->assertSame(2, $instance->get('test2'));
< $this->assertInternalType('int', $instance->get('test2'));
> $this->assertIsInt($instance->get('test2'));
// Test set with a bool. $this->assertTrue($instance->set('test1', true)); // Test get with an bool. $this->assertSame(true, $instance->get('test1'));
< $this->assertInternalType('boolean', $instance->get('test1'));
> $this->assertIsBool($instance->get('test1'));
// Test with an object. $this->assertTrue($instance->set('obj', $object)); if ($instance::get_supported_features() & cache_store::DEREFERENCES_OBJECTS) { $this->assertNotSame($object, $instance->get('obj'), 'Objects must be dereferenced when returned.'); } $this->assertEquals($object, $instance->get('obj')); // Test delete. $this->assertTrue($instance->delete('test1')); $this->assertTrue($instance->delete('test3')); $this->assertFalse($instance->delete('test3')); $this->assertFalse($instance->get('test1')); $this->assertSame(2, $instance->get('test2')); $this->assertTrue($instance->set('test1', 'test1')); // Test purge. $this->assertTrue($instance->purge()); $this->assertFalse($instance->get('test1')); $this->assertFalse($instance->get('test2')); // Test set_many. $outcome = $instance->set_many(array( array('key' => 'many1', 'value' => 'many1'), array('key' => 'many2', 'value' => 'many2'), array('key' => 'many3', 'value' => 'many3'), array('key' => 'many4', 'value' => 'many4'), array('key' => 'many5', 'value' => 'many5') )); $this->assertSame(5, $outcome); $this->assertSame('many1', $instance->get('many1')); $this->assertSame('many5', $instance->get('many5')); $this->assertFalse($instance->get('many6')); // Test get_many. $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
< $this->assertInternalType('array', $result);
> $this->assertIsArray($result);
$this->assertCount(4, $result); $this->assertSame(array( 'many1' => 'many1', 'many3' => 'many3', 'many5' => 'many5', 'many6' => false, ), $result); // Test delete_many. $this->assertSame(3, $instance->delete_many(array('many2', 'many3', 'many4'))); $this->assertSame(2, $instance->delete_many(array('many1', 'many5', 'many6'))); } }