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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\Text;
use Predis\Protocol\Text\Handler\ResponseHandlerInterface;
use PredisTestCase;
class ResponseReaderTest extends PredisTestCase
{
/**
* @group disconnected
*/
public function testDefaultHandlers(): void
{
$reader = new ResponseReader();
$this->assertInstanceOf('Predis\Protocol\Text\Handler\StatusResponse', $reader->getHandler('+'));
$this->assertInstanceOf('Predis\Protocol\Text\Handler\ErrorResponse', $reader->getHandler('-'));
$this->assertInstanceOf('Predis\Protocol\Text\Handler\IntegerResponse', $reader->getHandler(':'));
$this->assertInstanceOf('Predis\Protocol\Text\Handler\BulkResponse', $reader->getHandler('$'));
$this->assertInstanceOf('Predis\Protocol\Text\Handler\MultiBulkResponse', $reader->getHandler('*'));
$this->assertNull($reader->getHandler('!'));
}
/**
* @group disconnected
*/
public function testReplaceHandler(): void
{
/** @var ResponseHandlerInterface */
$handler = $this->getMockBuilder('Predis\Protocol\Text\Handler\ResponseHandlerInterface')->getMock();
$reader = new ResponseReader();
$reader->setHandler('+', $handler);
$this->assertSame($handler, $reader->getHandler('+'));
}
/**
* @group disconnected
*/
public function testReadResponse(): void
{
$connection = $this->getMockConnectionOfType('Predis\Connection\CompositeConnectionInterface');
$connection
->expects($this->exactly(5))
->method('readLine')
->willReturnOnConsecutiveCalls(
'+OK',
'-ERR error message',
':2',
'$-1',
'*-1'
);
$reader = new ResponseReader();
$this->assertEquals('OK', $reader->read($connection));
$this->assertEquals('ERR error message', $reader->read($connection));
$this->assertSame(2, $reader->read($connection));
$this->assertNull($reader->read($connection));
$this->assertNull($reader->read($connection));
}
/**
* @group disconnected
*/
public function testEmptyResponseHeader(): void
{
$this->expectException('Predis\Protocol\ProtocolException');
$this->expectExceptionMessage('Unexpected empty response header [tcp://127.0.0.1:6379]');
$connection = $this->getMockConnectionOfType('Predis\Connection\CompositeConnectionInterface', 'tcp://127.0.0.1:6379');
$connection
->expects($this->once())
->method('readLine')
->willReturn('');
$reader = new ResponseReader();
$reader->read($connection);
}
/**
* @group disconnected
*/
public function testUnknownResponsePrefix(): void
{
$this->expectException('Predis\Protocol\ProtocolException');
$this->expectExceptionMessage("Unknown response prefix: '!' [tcp://127.0.0.1:6379]");
$connection = $this->getMockConnectionOfType('Predis\Connection\CompositeConnectionInterface', 'tcp://127.0.0.1:6379');
$connection
->expects($this->once())
->method('readLine')
->willReturn('!');
$reader = new ResponseReader();
$reader->read($connection);
}
}
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