www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/tests/src/Functional/Lock/LockFunctionalTest.php

   1 <?php
   2
   3 namespace Drupal\Tests\system\Functional\Lock;
   4
   5 use Drupal\Tests\BrowserTestBase;
   6
   7 /**
   8  * Confirm locking works between two separate requests.
   9  *
  10  * @group Lock
  11  */
  12 class LockFunctionalTest extends BrowserTestBase {
  13
  14   /**
  15    * Modules to enable.
  16    *
  17    * @var array
  18    */
  19   public static $modules = ['system_test'];
  20
  21   /**
  22    * Confirms that we can acquire and release locks in two parallel requests.
  23    */
  24   public function testLockAcquire() {
  25     $lock = $this->container->get('lock');
  26     $lock_acquired = 'TRUE: Lock successfully acquired in \Drupal\system_test\Controller\SystemTestController::lockAcquire()';
  27     $lock_not_acquired = 'FALSE: Lock not acquired in \Drupal\system_test\Controller\SystemTestController::lockAcquire()';
  28     $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
  29     $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock extended by this request.', 'Lock');
  30     $lock->release('system_test_lock_acquire');
  31
  32     // Cause another request to acquire the lock.
  33     $this->drupalGet('system-test/lock-acquire');
  34     $this->assertText($lock_acquired, 'Lock acquired by the other request.', 'Lock');
  35     // The other request has finished, thus it should have released its lock.
  36     $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
  37     // This request holds the lock, so the other request cannot acquire it.
  38     $this->drupalGet('system-test/lock-acquire');
  39     $this->assertText($lock_not_acquired, 'Lock not acquired by the other request.', 'Lock');
  40     $lock->release('system_test_lock_acquire');
  41
  42     // Try a very short timeout and lock breaking.
  43     $this->assertTrue($lock->acquire('system_test_lock_acquire', 0.5), 'Lock acquired by this request.', 'Lock');
  44     sleep(1);
  45     // The other request should break our lock.
  46     $this->drupalGet('system-test/lock-acquire');
  47     $this->assertText($lock_acquired, 'Lock acquired by the other request, breaking our lock.', 'Lock');
  48     // We cannot renew it, since the other thread took it.
  49     $this->assertFalse($lock->acquire('system_test_lock_acquire'), 'Lock cannot be extended by this request.', 'Lock');
  50
  51     // Check the shut-down function.
  52     $lock_acquired_exit = 'TRUE: Lock successfully acquired in \Drupal\system_test\Controller\SystemTestController::lockExit()';
  53     $this->drupalGet('system-test/lock-exit');
  54     $this->assertText($lock_acquired_exit, 'Lock acquired by the other request before exit.', 'Lock');
  55     $this->assertTrue($lock->acquire('system_test_lock_exit'), 'Lock acquired by this request after the other request exits.', 'Lock');
  56   }
  57
  58   /**
  59    * Tests that the persistent lock is persisted between requests.
  60    */
  61   public function testPersistentLock() {
  62     $persistent_lock = $this->container->get('lock.persistent');
  63     // Get a persistent lock.
  64     $this->drupalGet('system-test/lock-persist/lock1');
  65     $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
  66     // Ensure that a shutdown function has not released the lock.
  67     $this->assertFalse($persistent_lock->lockMayBeAvailable('lock1'));
  68     $this->drupalGet('system-test/lock-persist/lock1');
  69     $this->assertText('FALSE: Lock not acquired in SystemTestController::lockPersist()');
  70
  71     // Get another persistent lock.
  72     $this->drupalGet('system-test/lock-persist/lock2');
  73     $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
  74     $this->assertFalse($persistent_lock->lockMayBeAvailable('lock2'));
  75
  76     // Release the first lock and try getting it again.
  77     $persistent_lock->release('lock1');
  78     $this->drupalGet('system-test/lock-persist/lock1');
  79     $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
  80   }
  81
  82 }