DrupalFlushAllCachesTest.php

<?php

namespace Drupal\KernelTests\Core\Common;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\KernelTests\KernelTestBase;

/**
 * @covers ::drupal_flush_all_caches
 * @group Common
 */
class DrupalFlushAllCachesTest extends KernelTestBase {
    
    /**
     * Stores the number of container builds.
     *
     * @var int
     */
    protected $containerBuilds = 0;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
    ];
    
    /**
     * Tests that drupal_flush_all_caches() uses core.extension properly.
     */
    public function testDrupalFlushAllCachesModuleList() {
        $this->assertFalse(function_exists('system_test_help'));
        $core_extension = \Drupal::configFactory()->getEditable('core.extension');
        $module = $core_extension->get('module');
        $module['system_test'] = -10;
        $core_extension->set('module', module_config_sort($module))
            ->save();
        $this->containerBuilds = 0;
        drupal_flush_all_caches();
        $module_list = [
            'system_test',
            'system',
        ];
        $database_module = \Drupal::database()->getProvider();
        if ($database_module !== 'core') {
            $module_list[] = $database_module;
        }
        sort($module_list);
        $container_modules = array_keys($this->container
            ->getParameter('container.modules'));
        sort($container_modules);
        $this->assertSame($module_list, $container_modules);
        $this->assertSame(1, $this->containerBuilds);
        $this->assertTrue(function_exists('system_test_help'));
        $core_extension->clear('module.system_test')
            ->save();
        $this->containerBuilds = 0;
        drupal_flush_all_caches();
        $module_list = [
            'system',
        ];
        if ($database_module !== 'core') {
            $module_list[] = $database_module;
        }
        sort($module_list);
        $container_modules = array_keys($this->container
            ->getParameter('container.modules'));
        sort($container_modules);
        $this->assertSame($module_list, $container_modules);
        $this->assertSame(1, $this->containerBuilds);
    }
    
    /**
     * {@inheritdoc}
     */
    public function register(ContainerBuilder $container) {
        parent::register($container);
        $this->containerBuilds++;
    }

}