function LockTest::testBackendLockRelease

Tests backend release functionality.

File

core/tests/Drupal/KernelTests/Core/Lock/LockTest.php, line 35

Class

LockTest

Tests the Database lock backend.

Namespace

Code

public function testBackendLockRelease() : void {
    $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');
    // Test acquiring and releasing a lock with a long key (over 255 chars).
    $long_key = 'long_key:BZoMiSf9IIPULsJ98po18TxJ6T4usd3MZrLE0d3qMgG6iAgDlOi1G3oMap7zI5df84l7LtJBg4bOj6XvpO6vDRmP5h5QbA0Bj9rVFiPIPAIQZ9qFvJqTALiK1OR3GpOkWQ4vgEA4LkY0UfznrWBeuK7IWZfv1um6DLosnVXd1z1cJjvbEUqYGJj92rwHfhYihLm8IO9t3P2gAvEkH5Mhc8GBoiTsIDnP01Te1kxGFHO3RuvJIxPnHmZtSdBggmuVN7x9';
    $success = $this->lock
        ->acquire($long_key);
    $this->assertTrue($success, 'Could acquire long key lock.');
    // This function is not part of the backend, but the default database
    // backend implement it, we can here use it safely.
    $is_free = $this->lock
        ->lockMayBeAvailable($long_key);
    $this->assertFalse($is_free, 'Long key lock is unavailable.');
    $this->lock
        ->release($long_key);
    $is_free = $this->lock
        ->lockMayBeAvailable($long_key);
    $this->assertTrue($is_free, 'Long key lock has been released.');
}