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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Tests\Functional\Platform;
use Doctrine\DBAL\Tests\FunctionalTestCase;
use PHPUnit\Framework\Attributes\DataProvider;
final class ConcatExpressionTest extends FunctionalTestCase
{
/** @param list<string> $arguments */
#[DataProvider('expressionProvider')]
public function testConcatExpression(array $arguments, string $expected): void
{
$platform = $this->connection->getDatabasePlatform();
$query = $platform->getDummySelectSQL($platform->getConcatExpression(...$arguments));
self::assertEquals($expected, $this->connection->fetchOne($query));
}
/** @return iterable<string,array{list<string>,string}> */
public static function expressionProvider(): iterable
{
yield 'strings' => [["'foo'", "'bar'"], 'foobar'];
yield 'numbers and a hyphen' => [['2010', "'-'", '2019'], '2010-2019'];
}
}
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