public function LockUnitTest::testBackendLockRelease in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Lock/LockUnitTest.php \Drupal\system\Tests\Lock\LockUnitTest::testBackendLockRelease()

Tests backend release functionality.

File

core/modules/system/src/Tests/Lock/LockUnitTest.php, line 43

Contains \Drupal\system\Tests\Lock\LockUnitTest.

Class

LockUnitTest

Tests the Database lock backend.

Namespace

Drupal\system\Tests\Lock

Code

public function testBackendLockRelease() {
  $success = $this->lock
    ->acquire('lock_a');
  $this
    ->assertTrue($success, 'Could acquire first lock.');

  // This function is not part of the backend, but the default database
  // backend implement it, we can here use it safely.
  $is_free = $this->lock
    ->lockMayBeAvailable('lock_a');
  $this
    ->assertFalse($is_free, 'First lock is unavailable.');
  $this->lock
    ->release('lock_a');
  $is_free = $this->lock
    ->lockMayBeAvailable('lock_a');
  $this
    ->assertTrue($is_free, 'First lock has been released.');
  $success = $this->lock
    ->acquire('lock_b');
  $this
    ->assertTrue($success, 'Could acquire second lock.');
  $success = $this->lock
    ->acquire('lock_b');
  $this
    ->assertTrue($success, 'Could acquire second lock a second time within the same request.');
  $this->lock
    ->release('lock_b');
}