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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\Command\Redis\TDigest;
use Predis\Command\PrefixableCommand;
use Predis\Command\Redis\PredisCommandTestCase;
use Predis\Response\ServerException;
/**
* @group commands
* @group realm-stack
*/
class TDIGESTQUANTILE_Test extends PredisCommandTestCase
{
/**
* {@inheritDoc}
*/
protected function getExpectedCommand(): string
{
return TDIGESTQUANTILE::class;
}
/**
* {@inheritDoc}
*/
protected function getExpectedId(): string
{
return 'TDIGESTQUANTILE';
}
/**
* @group disconnected
*/
public function testFilterArguments(): void
{
$actualArguments = ['key', 1, 2, 3];
$expectedArguments = ['key', 1, 2, 3];
$command = $this->getCommand();
$command->setArguments($actualArguments);
$this->assertSameValues($expectedArguments, $command->getArguments());
}
/**
* @group disconnected
*/
public function testParseResponse(): void
{
$this->assertSame(1, $this->getCommand()->parseResponse(1));
}
/**
* @group disconnected
*/
public function testPrefixKeys(): void
{
/** @var PrefixableCommand $command */
$command = $this->getCommand();
$actualArguments = ['arg1'];
$prefix = 'prefix:';
$expectedArguments = ['prefix:arg1'];
$command->setArguments($actualArguments);
$command->prefixKeys($prefix);
$this->assertSame($expectedArguments, $command->getArguments());
}
/**
* @group connected
* @group relay-resp3
* @return void
* @requiresRedisBfVersion >= 2.4.0
*/
public function testReturnsValuesBelowGivenQuantile(): void
{
$redis = $this->getClient();
$redis->tdigestcreate('key', 1000);
$addResponse = $redis->tdigestadd('key', 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5);
$quantileResponse = $redis->tdigestquantile('key', 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0);
$this->assertEquals('OK', $addResponse);
$this->assertEquals(['1', '2', '3', '3', '4', '4', '4', '5', '5', '5', '5'], $quantileResponse);
$redis->tdigestcreate('empty_key');
$this->assertEquals(['nan', 'nan'], $redis->tdigestquantile('empty_key', 0.0, 0.1));
}
/**
* @group connected
* @group relay-resp3
* @return void
* @requiresRedisBfVersion >= 2.6.0
*/
public function testReturnsValuesBelowGivenQuantileResp3(): void
{
$redis = $this->getResp3Client();
$redis->tdigestcreate('key', 1000);
$addResponse = $redis->tdigestadd('key', 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5);
$quantileResponse = $redis->tdigestquantile('key', 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0);
$this->assertEquals('OK', $addResponse);
$this->assertEquals([1.0, 2.0, 3.0, 3.0, 4.0, 4.0, 4.0, 5.0, 5.0, 5.0, 5.0], $quantileResponse);
$redis->tdigestcreate('empty_key');
$this->assertEquals([null, null], $redis->tdigestquantile('empty_key', 0.0, 0.1));
}
/**
* @group connected
* @group relay-resp3
* @return void
* @requiresRedisBfVersion >= 2.4.0
*/
public function testThrowsExceptionOnNonExistingTDigestSketch(): void
{
$redis = $this->getClient();
$this->expectException(ServerException::class);
$this->expectExceptionMessage('ERR T-Digest: key does not exist');
$redis->tdigestquantile('key', 1, 2, 3);
}
}
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