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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 TDIGESTTRIMMED_MEAN_Test extends PredisCommandTestCase
{
/**
* {@inheritDoc}
*/
protected function getExpectedCommand(): string
{
return TDIGESTTRIMMED_MEAN::class;
}
/**
* {@inheritDoc}
*/
protected function getExpectedId(): string
{
return 'TDIGESTTRIMMED_MEAN';
}
/**
* @group disconnected
*/
public function testFilterArguments(): void
{
$actualArguments = ['key', 0.1, 0.2];
$expectedArguments = ['key', 0.1, 0.2];
$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
* @dataProvider sketchesProvider
* @param array $addArguments
* @param string $key
* @param array $trimmedMeanArguments
* @param string $expectedResponse
* @return void
* @requiresRedisBfVersion >= 2.4.0
*/
public function testReturnsMeanValueWithinGivenQuantilesRange(
array $addArguments,
string $key,
array $trimmedMeanArguments,
string $expectedResponse
): void {
$redis = $this->getClient();
$redis->tdigestcreate($key);
$redis->tdigestadd(...$addArguments);
$actualResponse = $redis->tdigesttrimmed_mean(...$trimmedMeanArguments);
$this->assertEquals($expectedResponse, $actualResponse);
}
/**
* @group connected
* @return void
* @requiresRedisBfVersion >= 2.6.0
*/
public function testReturnsMeanValueWithinGivenQuantilesRangeResp3(): void
{
$redis = $this->getResp3Client();
$redis->tdigestcreate('key');
$redis->tdigestadd('key', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
$actualResponse = $redis->tdigesttrimmed_mean('key', 0.1, 0.6);
$this->assertEquals(4.0, $actualResponse);
}
/**
* @group connected
* @group relay-resp3
* @return void
* @requiresRedisBfVersion >= 2.4.0
*/
public function testReturnsNanOnEmptySketchKey(): void
{
$redis = $this->getClient();
$redis->tdigestcreate('key');
$actualResponse = $redis->tdigesttrimmed_mean('key', 0, 1);
$this->assertEquals('nan', $actualResponse);
}
/**
* @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->tdigesttrimmed_mean('key', 0, 1);
}
public static function sketchesProvider(): array
{
return [
'between low and high cut' => [
['key', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'key',
['key', 0.1, 0.6],
'4',
],
'without low cut' => [
['key', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'key',
['key', 0, 0.6],
'3.5',
],
'without high cut' => [
['key', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'key',
['key', 0.6, 1],
'8.5',
],
'without low and high cut' => [
['key', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'key',
['key', 0, 1],
'5.5',
],
];
}
}
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