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File: tests/NinjaMutex/MutexTest.php

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  Classes of Kamil Dziedzic  >  Ninja Mutex  >  tests/NinjaMutex/MutexTest.php  >  Download  
File: tests/NinjaMutex/MutexTest.php
Role: Unit test script
Content type: text/plain
Description: Test
Class: Ninja Mutex
Lock resources to prevent simultaneous accesses
Author: By
Last change: Merge branch 'master' into hhvm
Date: 2 months ago
Size: 1,524 bytes
 

Contents

Class file image Download
<?php
/**
 * This file is part of ninja-mutex.
 *
 * (C) Kamil Dziedzic <arvenil@klecza.pl>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace NinjaMutex;

use 
NinjaMutex\Mock\MockLock;

/**
 * Tests for Mutex
 *
 * @author Kamil Dziedzic <arvenil@klecza.pl>
 */
class MutexTest extends \PHPUnit_Framework_TestCase
{
    
/**
     * @issue https://github.com/arvenil/ninja-mutex/pull/4
     */
    
public function testIfMutexDestructorThrowsWhenBackendIsUnavailable()
    {
        
$lockImplementor = new MockLock();
        
$mutex = new Mutex('forfiter'$lockImplementor);

        
$this->assertFalse($mutex->isAcquired());
        
$this->assertTrue($mutex->acquireLock());
        
$this->assertTrue($mutex->isAcquired());
        
$this->assertTrue($mutex->acquireLock());
        
$this->assertTrue($mutex->isAcquired());

        
// make backend unavailable
        
$lockImplementor->setAvailable(false);

        try {
            
// explicit __destructor() call, should throw UnrecoverableMutexException
            
$mutex->__destruct();
        } catch (
UnrecoverableMutexException $e) {
            
// make backend available again
            
$lockImplementor->setAvailable(true);
            
// release lock
            
$this->assertTrue($mutex->releaseLock());
            
$this->assertFalse($mutex->releaseLock());

            return;
        }

        
$this->fail('An expected exception has not been raised.');
    }
}