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<?php
/*
* This file is part of the Predis package.
*
* (c) 2009-2020 Daniele Alessandri
* (c) 2021-2025 Till Krüss
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Protocol\Parser\Strategy;
use Predis\Protocol\Parser\UnexpectedTypeException;
use Predis\Response\ErrorInterface;
use Predis\Response\Status;
use PredisTestCase;
class Resp2StrategyTest extends PredisTestCase
{
/**
* @var ParserStrategyInterface
*/
protected $strategy;
protected function setUp(): void
{
parent::setUp();
$this->strategy = new Resp2Strategy();
}
/**
* @dataProvider statusResponseProvider
* @group disconnected
* @param string $statusResponse
* @return void
*/
public function testParseDataReturnsStatusResponseOnSimpleStringTypeStatus(string $statusResponse): void
{
$data = "+{$statusResponse}\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertInstanceOf(Status::class, $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsStringOnSimpleStringTypeNonStatus(): void
{
$data = "+string\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertSame('string', $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsErrorObjectOnErrorResponse(): void
{
$data = "-ERR unknown command 'helloworld'";
$actualResponse = $this->strategy->parseData($data);
$this->assertInstanceOf(ErrorInterface::class, $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsIntegerOnIntegerResponse(): void
{
$data = ":1000\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertSame(1000, $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsArrayOnArrayCountResponse(): void
{
$data = "*3\r\n:1\r\n:2\r\n:3\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertSame(['type' => 'array', 'value' => 3], $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsNullOnArrayCountResponseEqualNegativeOne(): void
{
$data = "*-1\r\n:1\r\n:2\r\n:3\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertNull($actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsArrayOnBulkStringSizeResponse(): void
{
$data = "$5\r\nhello\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertSame(['type' => 'bulkString', 'value' => 5], $actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataReturnsNullOnBulkStringSizeResponseEqualNegativeOne(): void
{
$data = "$-1\r\nhello\r\n";
$actualResponse = $this->strategy->parseData($data);
$this->assertNull($actualResponse);
}
/**
* @group disconnected
* @return void
*/
public function testParseDataThrowsExceptionOnUnexpectedDataTypeGiven(): void
{
$data = "\-1\r\nhello\r\n";
$this->expectException(UnexpectedTypeException::class);
$this->expectExceptionMessage('Unexpected data type given.');
$this->strategy->parseData($data);
}
public static function statusResponseProvider(): array
{
return [
['OK'],
['QUEUED'],
['NOKEY'],
['PONG'],
];
}
}
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