tests/src/Core/Lock/SemaphoreLockTest.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Test\src\Core\Lock;
  23
  24 use Dice\Dice;
  25 use Friendica\App;
  26 use Friendica\Core\Config\IConfig;
  27 use Friendica\Core\Config\JitConfig;
  28 use Friendica\Core\Lock\SemaphoreLock;
  29 use Friendica\DI;
  30 use Mockery;
  31 use Mockery\MockInterface;
  32
  33 class SemaphoreLockTest extends LockTest
  34 {
  35         protected function setUp()
  36         {
  37                 /** @var MockInterface|Dice $dice */
  38                 $dice = Mockery::mock(Dice::class)->makePartial();
  39
  40                 $app = Mockery::mock(App::class);
  41                 $app->shouldReceive('getHostname')->andReturn('friendica.local');
  42                 $dice->shouldReceive('create')->with(App::class)->andReturn($app);
  43
  44                 $configMock = Mockery::mock(JitConfig::class);
  45                 $configMock
  46                         ->shouldReceive('get')
  47                         ->with('system', 'temppath')
  48                         ->andReturn('/tmp/');
  49                 $dice->shouldReceive('create')->with(IConfig::class)->andReturn($configMock);
  50
  51                 // @todo Because "get_temppath()" is using static methods, we have to initialize the BaseObject
  52                 DI::init($dice);
  53
  54                 parent::setUp();
  55         }
  56
  57         protected function getInstance()
  58         {
  59                 return new SemaphoreLock();
  60         }
  61
  62         public function testLockTTL()
  63         {
  64                 // Semaphore doesn't work with TTL
  65                 return true;
  66         }
  67
  68         /**
  69          * Test if semaphore locking works even when trying to release locks, where the file exists
  70          * but it shouldn't harm locking
  71          */
  72         public function testMissingFileNotOverriding()
  73         {
  74                 $file = get_temppath() . '/test.sem';
  75                 touch($file);
  76
  77                 self::assertTrue(file_exists($file));
  78                 self::assertFalse($this->instance->release('test', false));
  79                 self::assertTrue(file_exists($file));
  80         }
  81
  82         /**
  83          * Test overriding semaphore release with already set semaphore
  84          * This test proves that semaphore locks cannot get released by other instances except themselves
  85          *
  86          * Check for Bug https://github.com/friendica/friendica/issues/7298#issuecomment-521996540
  87          *
  88          * @see https://github.com/friendica/friendica/issues/7298#issuecomment-521996540
  89          */
  90         public function testMissingFileOverriding()
  91         {
  92                 $file = get_temppath() . '/test.sem';
  93                 touch($file);
  94
  95                 self::assertTrue(file_exists($file));
  96                 self::assertFalse($this->instance->release('test', true));
  97                 self::assertTrue(file_exists($file));
  98         }
  99
 100         /**
 101          * Test acquire lock even the semaphore file exists, but isn't used
 102          */
 103         public function testOverrideSemFile()
 104         {
 105                 $file = get_temppath() . '/test.sem';
 106                 touch($file);
 107
 108                 self::assertTrue(file_exists($file));
 109                 self::assertTrue($this->instance->acquire('test'));
 110                 self::assertTrue($this->instance->isLocked('test'));
 111                 self::assertTrue($this->instance->release('test'));
 112         }
 113 }