DatabaseStorageTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Config\Storage;

use Drupal\Core\Config\DatabaseStorage;
use Drupal\Core\Database\Database;
use Drupal\Core\Database\DatabaseExceptionWrapper;

/**
 * Tests DatabaseStorage operations.
 *
 * @group config
 */
class DatabaseStorageTest extends ConfigStorageTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->storage = new DatabaseStorage($this->container
            ->get('database'), 'config');
        $this->invalidStorage = new DatabaseStorage($this->container
            ->get('database'), 'invalid');
    }
    protected function read($name) {
        $data = Database::getConnection()->select('config', 'c')
            ->fields('c', [
            'data',
        ])
            ->condition('name', $name)
            ->execute()
            ->fetchField();
        return unserialize($data);
    }
    protected function insert($name, $data) : void {
        Database::getConnection()->insert('config')
            ->fields([
            'name' => $name,
            'data' => $data,
        ])
            ->execute();
    }
    protected function update($name, $data) : void {
        Database::getConnection()->update('config')
            ->fields([
            'data' => $data,
        ])
            ->condition('name', $name)
            ->execute();
    }
    protected function delete($name) : void {
        Database::getConnection()->delete('config')
            ->condition('name', $name)
            ->execute();
    }
    
    /**
     * Tests that operations throw exceptions if the query fails.
     */
    public function testExceptionIsThrownIfQueryFails() : void {
        $connection = Database::getConnection();
        if ($connection->databaseType() === 'sqlite') {
            // See: https://www.drupal.org/project/drupal/issues/3349286
            $this->markTestSkipped('SQLite cannot allow detection of exceptions due to double quoting.');
            return;
        }
        Database::getConnection()->schema()
            ->dropTable('config');
        // In order to simulate database issue create a table with an incorrect
        // specification.
        $table_specification = [
            'fields' => [
                'id' => [
                    'type' => 'int',
                    'default' => NULL,
                ],
            ],
        ];
        Database::getConnection()->schema()
            ->createTable('config', $table_specification);
        try {
            $this->storage
                ->exists('config.settings');
            $this->fail('Expected exception not thrown from exists()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->read('config.settings');
            $this->fail('Expected exception not thrown from read()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->readMultiple([
                'config.settings',
                'config.settings2',
            ]);
            $this->fail('Expected exception not thrown from readMultiple()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->write('config.settings', [
                'data' => '',
            ]);
            $this->fail('Expected exception not thrown from deleteAll()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->listAll();
            $this->fail('Expected exception not thrown from listAll()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->deleteAll();
            $this->fail('Expected exception not thrown from deleteAll()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        try {
            $this->storage
                ->getAllCollectionNames();
            $this->fail('Expected exception not thrown from getAllCollectionNames()');
        } catch (DatabaseExceptionWrapper) {
            // Exception was expected
        }
        $this->assertTrue(TRUE);
    }

}