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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-key
 */
class KeyExistsTest extends PredisCommandTestCase
{
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCommand()
    {
        return 'Predis\Command\KeyExists';
    }

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

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

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

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

/**
     * @group disconnected
     */
    public function testParseResponse()
    {
        $command = $this->getCommand();

$this->assertTrue($command->parseResponse(1));
        $this->assertFalse($command->parseResponse(0));
    }

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

$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());
    }

/**
     * @group connected
     */
    public function testReturnsTrueIfKeyExists()
    {
        $redis = $this->getClient();

$redis->set('foo', 'bar');
        $this->assertTrue($redis->exists('foo'));
    }

/**
     * @group connected
     */
    public function testReturnsFalseIfKeyDoesNotExist()
    {
        $redis = $this->getClient();

$this->assertFalse($redis->exists('foo'));
    }
}

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