<?php

namespace yiiunit\extensions\redis;

use Yii;
use yii\redis\Connection;
use yiiunit\TestCase;

Yii::setAlias('@yii/redis', __DIR__ . '/../../../../extensions/redis');

/**
 * RedisTestCase is the base class for all redis related test cases
 */
abstract class RedisTestCase extends TestCase
{
    protected function setUp()
    {
        $databases = $this->getParam('databases');
        $params = isset($databases['redis']) ? $databases['redis'] : null;
        if ($params === null) {
            $this->markTestSkipped('No redis server connection configured.');
        }
        $connection = new Connection($params);
        if (!@stream_socket_client($connection->hostname . ':' . $connection->port, $errorNumber, $errorDescription, 0.5)) {
            $this->markTestSkipped('No redis server running at ' . $connection->hostname . ':' . $connection->port . ' : ' . $errorNumber . ' - ' . $errorDescription);
        }

        $this->mockApplication(['components' => ['redis' => $connection]]);

        parent::setUp();
    }

    /**
     * @param  boolean    $reset whether to clean up the test database
     * @return Connection
     */
    public function getConnection($reset = true)
    {
        $databases = $this->getParam('databases');
        $params = isset($databases['redis']) ? $databases['redis'] : [];
        $db = new Connection($params);
        if ($reset) {
            $db->open();
            $db->flushdb();
        }

        return $db;
    }
}