Proyectos de Subversion Moodle

<?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 core_cache;

use cache_config_testing;

use cache_config_writer;

use cache_factory;

use cache_helper;

use cache_store;

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

// Include the necessary evils.

global $CFG;

require_once($CFG->dirroot.'/cache/locallib.php');

require_once($CFG->dirroot.'/cache/tests/fixtures/lib.php');

/**

 * PHPunit tests for the cache API and in particular the core_cache\administration_helper

 *

 * @package    core_cache

 * @category   test

 * @copyright  2012 Sam Hemelryk

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class administration_helper_test extends \advanced_testcase {

    /**

     * Set things back to the default before each test.

     */

    public function setUp(): void {

        parent::setUp();

        cache_factory::reset();

        cache_config_testing::create_default_configuration();

    }

    /**

     * Final task is to reset the cache system

     */

    public static function tearDownAfterClass(): void {

        parent::tearDownAfterClass();

        cache_factory::reset();

    }

    /**

     * Test the numerous summaries the helper can produce.

     */

    public function test_get_summaries(): void {

        // First the preparation.

        $config = cache_config_writer::instance();

        $this->assertTrue($config->add_store_instance('summariesstore', 'file'));

        $config->set_definition_mappings('core/eventinvalidation', array('summariesstore'));

        $this->assertTrue($config->set_mode_mappings(array(

            cache_store::MODE_APPLICATION => array('summariesstore'),

            cache_store::MODE_SESSION => array('default_session'),

            cache_store::MODE_REQUEST => array('default_request'),

        )));

        $storesummaries = administration_helper::get_store_instance_summaries();

        $this->assertIsArray($storesummaries);

        $this->assertArrayHasKey('summariesstore', $storesummaries);

        $summary = $storesummaries['summariesstore'];

        // Check the keys

        $this->assertArrayHasKey('name', $summary);

        $this->assertArrayHasKey('plugin', $summary);

        $this->assertArrayHasKey('default', $summary);

        $this->assertArrayHasKey('isready', $summary);

        $this->assertArrayHasKey('requirementsmet', $summary);

        $this->assertArrayHasKey('mappings', $summary);

        $this->assertArrayHasKey('modes', $summary);

        $this->assertArrayHasKey('supports', $summary);

        // Check the important/known values

        $this->assertEquals('summariesstore', $summary['name']);

        $this->assertEquals('file', $summary['plugin']);

        $this->assertEquals(0, $summary['default']);

        $this->assertEquals(1, $summary['isready']);

        $this->assertEquals(1, $summary['requirementsmet']);

        // Find the number of mappings to sessionstore.

        $mappingcount = count(array_filter($config->get_definitions(), function($element) {

            return $element['mode'] === cache_store::MODE_APPLICATION;

        }));

        $this->assertEquals($mappingcount, $summary['mappings']);

        $definitionsummaries = administration_helper::get_definition_summaries();

        $this->assertIsArray($definitionsummaries);

        $this->assertArrayHasKey('core/eventinvalidation', $definitionsummaries);

        $summary = $definitionsummaries['core/eventinvalidation'];

        // Check the keys

        $this->assertArrayHasKey('id', $summary);

        $this->assertArrayHasKey('name', $summary);

        $this->assertArrayHasKey('mode', $summary);

        $this->assertArrayHasKey('component', $summary);

        $this->assertArrayHasKey('area', $summary);

        $this->assertArrayHasKey('mappings', $summary);

        // Check the important/known values

        $this->assertEquals('core/eventinvalidation', $summary['id']);

        $this->assertInstanceOf('lang_string', $summary['name']);

        $this->assertEquals(cache_store::MODE_APPLICATION, $summary['mode']);

        $this->assertEquals('core', $summary['component']);

        $this->assertEquals('eventinvalidation', $summary['area']);

        $this->assertIsArray($summary['mappings']);

        $this->assertContains('summariesstore', $summary['mappings']);

        $pluginsummaries = administration_helper::get_store_plugin_summaries();

        $this->assertIsArray($pluginsummaries);

        $this->assertArrayHasKey('file', $pluginsummaries);

        $summary = $pluginsummaries['file'];

        // Check the keys

        $this->assertArrayHasKey('name', $summary);

        $this->assertArrayHasKey('requirementsmet', $summary);

        $this->assertArrayHasKey('instances', $summary);

        $this->assertArrayHasKey('modes', $summary);

        $this->assertArrayHasKey('supports', $summary);

        $this->assertArrayHasKey('canaddinstance', $summary);

        $locksummaries = administration_helper::get_lock_summaries();

        $this->assertIsArray($locksummaries);

        $this->assertTrue(count($locksummaries) > 0);

        $mappings = administration_helper::get_default_mode_stores();

        $this->assertIsArray($mappings);

        $this->assertCount(3, $mappings);

        $this->assertArrayHasKey(cache_store::MODE_APPLICATION, $mappings);

        $this->assertIsArray($mappings[cache_store::MODE_APPLICATION]);

        $this->assertContains('summariesstore', $mappings[cache_store::MODE_APPLICATION]);

        $potentials = administration_helper::get_definition_store_options('core', 'eventinvalidation');

        $this->assertIsArray($potentials); // Currently used, suitable, default

        $this->assertCount(3, $potentials);

        $this->assertArrayHasKey('summariesstore', $potentials[0]);

        $this->assertArrayHasKey('summariesstore', $potentials[1]);

        $this->assertArrayHasKey('default_application', $potentials[1]);

    }

    /**

     * Test instantiating an add store form.

     */

    public function test_get_add_store_form(): void {

        $form = cache_factory::get_administration_display_helper()->get_add_store_form('file');

        $this->assertInstanceOf('moodleform', $form);

        try {

            $form = cache_factory::get_administration_display_helper()->get_add_store_form('somethingstupid');

            $this->fail('You should not be able to create an add form for a store plugin that does not exist.');

        } catch (\moodle_exception $e) {

            $this->assertInstanceOf('coding_exception', $e, 'Needs to be: ' .get_class($e)." ::: ".$e->getMessage());

        }

    }

    /**

     * Test instantiating a form to edit a store instance.

     */

    public function test_get_edit_store_form(): void {

        // Always instantiate a new core display helper here.

        $administrationhelper = new local\administration_display_helper;

        $config = cache_config_writer::instance();

        $this->assertTrue($config->add_store_instance('test_get_edit_store_form', 'file'));

        $form = $administrationhelper->get_edit_store_form('file', 'test_get_edit_store_form');

        $this->assertInstanceOf('moodleform', $form);

        try {

            $form = $administrationhelper->get_edit_store_form('somethingstupid', 'moron');

            $this->fail('You should not be able to create an edit form for a store plugin that does not exist.');

        } catch (\moodle_exception $e) {

            $this->assertInstanceOf('coding_exception', $e);

        }

        try {

            $form = $administrationhelper->get_edit_store_form('file', 'blisters');

            $this->fail('You should not be able to create an edit form for a store plugin that does not exist.');

        } catch (\moodle_exception $e) {

            $this->assertInstanceOf('coding_exception', $e);

        }

    }

    /**

     * Test the hash_key functionality.

     */

    public function test_hash_key(): void {

        $this->resetAfterTest();

        set_debugging(DEBUG_ALL);

        // First with simplekeys

        $instance = cache_config_testing::instance(true);

        $instance->phpunit_add_definition('phpunit/hashtest', array(

            'mode' => cache_store::MODE_APPLICATION,

            'component' => 'phpunit',

            'area' => 'hashtest',

            'simplekeys' => true

        ));

        $factory = cache_factory::instance();

        $definition = $factory->create_definition('phpunit', 'hashtest');

        $result = cache_helper::hash_key('test', $definition);

        $this->assertEquals('test-'.$definition->generate_single_key_prefix(), $result);

        try {

            cache_helper::hash_key('test/test', $definition);

            $this->fail('Invalid key was allowed, you should see this.');

        } catch (\coding_exception $e) {

            $this->assertEquals('test/test', $e->debuginfo);

        }

        // Second without simple keys

        $instance->phpunit_add_definition('phpunit/hashtest2', array(

            'mode' => cache_store::MODE_APPLICATION,

            'component' => 'phpunit',

            'area' => 'hashtest2',

            'simplekeys' => false

        ));

        $definition = $factory->create_definition('phpunit', 'hashtest2');

        $result = cache_helper::hash_key('test', $definition);

        $this->assertEquals(sha1($definition->generate_single_key_prefix().'-test'), $result);

        $result = cache_helper::hash_key('test/test', $definition);

        $this->assertEquals(sha1($definition->generate_single_key_prefix().'-test/test'), $result);

    }

    /**

     * Tests the get_usage function.

     */

    public function test_get_usage(): void {

        // Create a test cache definition and put items in it.

        $instance = cache_config_testing::instance(true);

        $instance->phpunit_add_definition('phpunit/test', [

                'mode' => cache_store::MODE_APPLICATION,

                'component' => 'phpunit',

                'area' => 'test',

                'simplekeys' => true

        ]);

        $cache = \cache::make('phpunit', 'test');

        for ($i = 0; $i < 100; $i++) {

            $cache->set('key' . $i, str_repeat('x', $i));

        }

        $factory = cache_factory::instance();

        $adminhelper = $factory->get_administration_display_helper();

        $usage = $adminhelper->get_usage(10)['phpunit/test'];

        $this->assertEquals('phpunit/test', $usage->cacheid);

        $this->assertCount(1, $usage->stores);

        $store = $usage->stores[0];

        $this->assertEquals('default_application', $store->name);

        $this->assertEquals('cachestore_file', $store->class);

        $this->assertEquals(true, $store->supported);

        $this->assertEquals(100, $store->items);

        // As file store checks all items, the values should be exact.

        $this->assertEqualsWithDelta(57.4, $store->mean, 0.1);

        $this->assertEqualsWithDelta(29.0, $store->sd, 0.1);

        $this->assertEquals(0, $store->margin);

    }

}