DbCommandBaseTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Kernel\Scripts;

use Drupal\Core\Command\DbCommandBase;
use Drupal\Core\Database\ConnectionNotDefinedException;
use Drupal\Core\Database\Database;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Tester\CommandTester;

/**
 * Test that the DbToolsApplication works correctly.
 *
 * The way console application's run it is impossible to test. For now we only
 * test that we are registering the correct commands.
 *
 * @group console
 */
class DbCommandBaseTest extends KernelTestBase {
    
    /**
     * Tests specifying a database key.
     */
    public function testSpecifyDatabaseKey() : void {
        $command = new DbCommandBaseTester();
        $command_tester = new CommandTester($command);
        Database::addConnectionInfo('magic_db', 'default', Database::getConnectionInfo('default')['default']);
        $command_tester->execute([
            '--database' => 'magic_db',
        ]);
        $this->assertEquals('magic_db', $command->getDatabaseConnection($command_tester->getInput())
            ->getKey(), 'Special db key is returned');
    }
    
    /**
     * Invalid database names will throw a useful exception.
     */
    public function testSpecifyDatabaseDoesNotExist() : void {
        $command = new DbCommandBaseTester();
        $command_tester = new CommandTester($command);
        $command_tester->execute([
            '--database' => 'dne',
        ]);
        $this->expectException(ConnectionNotDefinedException::class);
        $command->getDatabaseConnection($command_tester->getInput());
    }
    
    /**
     * Tests supplying database connection as a URL.
     */
    public function testSpecifyDbUrl() : void {
        $command = new DbCommandBaseTester();
        $command_tester = new CommandTester($command);
        $command_tester->execute([
            '-db-url' => Database::getConnectionInfoAsUrl(),
        ]);
        $this->assertEquals('db-tools', $command->getDatabaseConnection($command_tester->getInput())
            ->getKey());
        Database::removeConnection('db-tools');
        $command_tester->execute([
            '--database-url' => Database::getConnectionInfoAsUrl(),
        ]);
        $this->assertEquals('db-tools', $command->getDatabaseConnection($command_tester->getInput())
            ->getKey());
    }
    
    /**
     * Tests specifying a prefix for different connections.
     */
    public function testPrefix() : void {
        if (Database::getConnection()->driver() == 'sqlite') {
            $this->markTestSkipped('SQLITE modifies the prefixes so we cannot effectively test it');
        }
        Database::addConnectionInfo('magic_db', 'default', Database::getConnectionInfo('default')['default']);
        $command = new DbCommandBaseTester();
        $command_tester = new CommandTester($command);
        $command_tester->execute([
            '--database' => 'magic_db',
            '--prefix' => 'extra',
        ]);
        $this->assertEquals('extra', $command->getDatabaseConnection($command_tester->getInput())
            ->getPrefix());
        $command_tester->execute([
            '-db-url' => Database::getConnectionInfoAsUrl(),
            '--prefix' => 'extra2',
        ]);
        $this->assertEquals('extra2', $command->getDatabaseConnection($command_tester->getInput())
            ->getPrefix());
        // This breaks test cleanup.
        // @code
        //    $command_tester->execute([
        //      '--prefix' => 'notsimpletest',
        //    ]);
        //    $this->assertEquals('notsimpletest', $command->getDatabaseConnection($command_tester->getInput())->tablePrefix());
        // @endcode
    }

}

/**
 * Concrete command implementation for testing base features.
 */
class DbCommandBaseTester extends DbCommandBase {
    
    /**
     * {@inheritdoc}
     */
    public function configure() : void {
        parent::configure();
        $this->setName('test');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDatabaseConnection(InputInterface $input) {
        return parent::getDatabaseConnection($input);
    }
    
    /**
     * {@inheritdoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output) : int {
        // Empty implementation for testing.
        return 0;
    }

}