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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;
use Predis\Response\Status;
/**
* @group commands
* @group realm-server
*/
class COMMAND_Test extends PredisCommandTestCase
{
/**
* {@inheritdoc}
*/
protected function getExpectedCommand(): string
{
return 'Predis\Command\Redis\COMMAND';
}
/**
* {@inheritdoc}
*/
protected function getExpectedId(): string
{
return 'COMMAND';
}
/**
* @group disconnected
*/
public function testFilterArguments(): void
{
$arguments = ['INFO', 'DEL'];
$expected = ['INFO', 'DEL'];
$command = $this->getCommand();
$command->setArguments($arguments);
$this->assertSame($expected, $command->getArguments());
}
/**
* @group disconnected
*/
public function testParseResponse(): void
{
$raw = [
['get', 2, [new Status('readonly'), new Status('fast')], 1, 1, 1],
['set', -3, [new Status('write'), new Status('denyoom')], 1, 1, 1],
['watch', -2, [new Status('readonly'), new Status('noscript'), new Status('fast')], 1, -1, 1],
['unwatch', 1, [new Status('readonly'), new Status('noscript'), new Status('fast')], 0, 0, 0],
['info', -1, [new Status('readonly'), new Status('loading'), new Status('stale')], 0, 0, 0],
];
$expected = $raw;
$command = $this->getCommand();
$this->assertSame($expected, $command->parseResponse($raw));
}
/**
* @group disconnected
*/
public function testParseEmptyResponse(): void
{
$raw = [null];
$expected = [null];
$command = $this->getCommand();
$this->assertSame($expected, $command->parseResponse($raw));
}
/**
* @group connected
* @requiresRedisVersion >= 2.8.13
*/
public function testReturnsEmptyCommandInfoOnNonExistingCommand(): void
{
$redis = $this->getClient();
$this->assertCount(1, $response = $redis->command('INFO', 'FOOBAR'));
$this->assertSame([null], $response);
}
/**
* @group connected
* @requiresRedisVersion >= 6.0.0
*/
public function testReturnsEmptyCommandInfoOnNonExistingCommandResp3(): void
{
$redis = $this->getResp3Client();
$this->assertCount(1, $response = $redis->command('INFO', 'FOOBAR'));
$this->assertSame([null], $response);
}
/**
* @group connected
* @group relay-incompatible
* @group relay-fixme
* @requiresRedisVersion >= 2.8.13
*
* Relay uses RESP3 maps, the `Predis\Command\Redis\COMMAND` needs a converter.
*/
public function testReturnsCommandInfoOnExistingCommand(): void
{
$redis = $this->getClient();
$expected = [['get', 2, ['readonly', 'fast'], 1, 1, 1]];
// NOTE: starting with Redis 6.0 and the introduction of Access Control
// Lists, COMMAND INFO returns an additional array for each specified
// command in the request with a list of the ACL categories associated
// to a command. We simply append this additional array in the expected
// response if the test suite is executed against Redis >= 6.0.
if ($this->isRedisServerVersion('>=', '6.0')) {
$expected[0][] = ['@read', '@string', '@fast'];
}
// NOTE: starting with Redis 7.0 COMMAND INFO returns an additional arrays:
// - Command tips: https://redis.io/topics/command-tips.
// - Key specifications: https://redis.io/topics/key-specs.
// - Subcommands: https://redis.io/commands/command/#subcommands.
// We simply append this additional array in the expected response if the
// test suite is executed against Redis >= 7.0.
if ($this->isRedisServerVersion('>=', '7.0')) {
$expected[0][] = [];
$expected[0][] = [
[
'flags',
['RO', 'access'],
'begin_search',
['type', 'index', 'spec', ['index', 1]],
'find_keys',
['type', 'range', 'spec', ['lastkey', 0, 'keystep', 1, 'limit', 0]],
],
];
$expected[0][] = [];
}
$this->assertCount(1, $response = $redis->command('INFO', 'GET'));
// NOTE: we use assertEquals instead of assertSame because Redis returns
// flags as +STATUS responses, represented by Predis with instances of
// Predis\Response\Status instead of plain strings. This class responds
// to __toString() so the string conversion is implicit, but assertSame
// checks for strict equality while assertEquals is loose.
$this->assertEquals($expected, $response);
}
/**
* @group connected
* @requiresRedisVersion >= 2.8.13
*/
public function testReturnsListOfCommandInfoWithNoArguments(): void
{
$redis = $this->getClient();
$this->assertGreaterThan(100, count($response = $redis->command()));
}
}
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