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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;

/**
 * SUBSTR is actually the old name of GETRANGE in version of Redis <= 2.0.
 * This command should be considered obsolete and we will perform any kind
 * of tests against a Redis server for this one.
 *
 * @group commands
 * @group realm-string
 */
class StringSubstrTest extends PredisCommandTestCase
{
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCommand()
    {
        return 'Predis\Command\StringSubstr';
    }

/**
     * {@inheritdoc}
     */
    protected function getExpectedId()
    {
        return 'SUBSTR';
    }

/**
     * @group disconnected
     */
    public function testFilterArguments()
    {
        $arguments = array('key', 5, 10);
        $expected = array('key', 5, 10);

$command = $this->getCommand();
        $command->setArguments($arguments);

$this->assertSame($expected, $command->getArguments());
    }

/**
     * @group disconnected
     */
    public function testParseResponse()
    {
        $this->assertSame('substring',$this->getCommand()->parseResponse('substring'));
    }

/**
     * @group disconnected
     */
    public function testPrefixKeys()
    {
        $arguments = array('key', 5, 10);
        $expected = array('prefix:key', 5, 10);

$command = $this->getCommandWithArgumentsArray($arguments);
        $command->prefixKeys('prefix:');

$this->assertSame($expected, $command->getArguments());
    }

/**
     * @group disconnected
     */
    public function testPrefixKeysIgnoredOnEmptyArguments()
    {
        $command = $this->getCommand();
        $command->prefixKeys('prefix:');

$this->assertSame(array(), $command->getArguments());
    }
}

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