Skip to content
  • P
    Projects
  • G
    Groups
  • S
    Snippets
  • Help

孙龙 / note-library

  • This project
    • Loading...
  • Sign in
Go to a project
  • Project
  • Repository
  • Issues 0
  • Merge Requests 0
  • Pipelines
  • Wiki
  • Snippets
  • Settings
  • Activity
  • Graph
  • Charts
  • Create a new issue
  • Jobs
  • Commits
  • Issue Boards
  • Files
  • Commits
  • Branches
  • Tags
  • Contributors
  • Graph
  • Compare
  • Charts
Find file
BlameHistoryPermalink
Switch branch/tag
  • note-library
  • vendor
  • predis
  • tests
  • PHPUnit
  • PredisDistributorTestCase.php
  • 孙龙's avatar
    init · 1f46a6ed
    孙龙 committed 5 years ago
    1f46a6ed
PredisDistributorTestCase.php 2.08 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
<?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\Cluster\Distributor;

use PredisTestCase;

/**
 *
 */
abstract class PredisDistributorTestCase extends PredisTestCase
{
    /**
     * Returns a new instance of the tested distributor.
     *
     * @return \Predis\Cluster\Distributor\DistributorInterface
     */
    abstract protected function getDistributorInstance();

    /**
     * Returns a list of nodes from the hashring.
     *
     * @param DistributorInterface $distributor Distributor instance.
     * @param int                  $iterations  Number of nodes to fetch.
     *
     * @return array Nodes from the hashring.
     */
    protected function getNodes(DistributorInterface $distributor, $iterations = 10)
    {
        $nodes = array();

        for ($i = 0; $i < $iterations; ++$i) {
            $hash = $distributor->hash($i * $i);
            $nodes[] = $distributor->getByHash($hash);
        }

        return $nodes;
    }

    /**
     * Returns a distributor instance with the specified nodes added.
     *
     * @param array $nodes Nodes to add to the distributor.
     *
     * @return DistributorInterface
     */
    protected function getSampleDistribution(array $nodes)
    {
        $distributor = $this->getDistributorInstance();

        foreach ($nodes as $node) {
            $distributor->add($node);
        }

        return $distributor;
    }

    /**
     * @group disconnected
     */
    public function testEmptyRingThrowsException()
    {
        $this->setExpectedException('Predis\Cluster\Distributor\EmptyRingException');

        $distributor = $this->getDistributorInstance();
        $distributor->getByHash('nodehash');
    }

    /**
     * @group disconnected
     */
    public function testRemoveOnEmptyRingDoesNotThrowException()
    {
        $distributor = $this->getDistributorInstance();

        $this->assertNull($distributor->remove('node'));
    }
}