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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Command;
/**
* @group commands
* @group realm-list
*/
class ListTrimTest extends PredisCommandTestCase
{
/**
* {@inheritdoc}
*/
protected function getExpectedCommand()
{
return 'Predis\Command\ListTrim';
}
/**
* {@inheritdoc}
*/
protected function getExpectedId()
{
return 'LTRIM';
}
/**
* @group disconnected
*/
public function testFilterArguments()
{
$arguments = array('key', 0, 1);
$expected = array('key', 0, 1);
$command = $this->getCommand();
$command->setArguments($arguments);
$this->assertSame($expected, $command->getArguments());
}
/**
* @group disconnected
*/
public function testParseResponse()
{
$this->assertSame('OK', $this->getCommand()->parseResponse('OK'));
}
/**
* @group connected
*/
public function testTrimsListWithPositiveStartAndStop()
{
$redis = $this->getClient();
$redis->rpush('letters', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l');
$this->assertEquals('OK', $redis->ltrim('letters', 0, 2));
$this->assertSame(array('a', 'b', 'c'), $redis->lrange('letters', 0, -1));
$redis->flushdb();
$redis->rpush('letters', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l');
$this->assertEquals('OK', $redis->ltrim('letters', 5, 9));
$this->assertSame(array('f', 'g', 'h', 'i', 'l'), $redis->lrange('letters', 0, -1));
}
/**
* @group connected
*/
public function testTrimsListWithPositiveStartAndNegativeStop()
{
$redis = $this->getClient();
$redis->rpush('letters', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l');
$this->assertEquals('OK', $redis->ltrim('letters', 0, -6));
$this->assertSame(array('a', 'b', 'c', 'd', 'e'), $redis->lrange('letters', 0, -1));
}
/**
* @group connected
*/
public function testTrimsListWithNegativeStartAndStop()
{
$redis = $this->getClient();
$redis->rpush('letters', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l');
$this->assertEquals('OK', $redis->ltrim('letters', -5, -5));
$this->assertSame(array('f'), $redis->lrange('letters', 0, -1));
}
/**
* @group connected
*/
public function testHandlesStartAndStopOverflow()
{
$redis = $this->getClient();
$redis->rpush('letters', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l');
$this->assertEquals('OK', $redis->ltrim('letters', -100, 100));
$this->assertSame(array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'l'), $redis->lrange('letters', -100, 100));
}
/**
* @group connected
*/
public function testThrowsExceptionOnWrongType()
{
$this->expectException('\Predis\Response\ServerException');
$this->expectExceptionMessage('Operation against a key holding the wrong kind of value');
$redis = $this->getClient();
$redis->set('metavars', 'foo');
$redis->ltrim('metavars', 0, 1);
}
}
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