class LockBackendAbstractTest

class LockBackendAbstractTest extends UnitTestCase {
    
    /**
     * The Mocked LockBackendAbstract object.
     *
     * @var \Drupal\Core\Lock\LockBackendAbstract|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $lock;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->lock = $this->getMockForAbstractClass('Drupal\\Core\\Lock\\LockBackendAbstract');
    }
    
    /**
     * Tests the wait() method when lockMayBeAvailable() returns TRUE.
     */
    public function testWaitFalse() : void {
        $this->lock
            ->expects($this->any())
            ->method('lockMayBeAvailable')
            ->with($this->equalTo('test_name'))
            ->willReturn(TRUE);
        $this->assertFalse($this->lock
            ->wait('test_name'));
    }
    
    /**
     * Tests the wait() method when lockMayBeAvailable() returns FALSE.
     *
     * Waiting could take 1 second so we need to extend the possible runtime.
     * @medium
     */
    public function testWaitTrue() : void {
        $this->lock
            ->expects($this->any())
            ->method('lockMayBeAvailable')
            ->with($this->equalTo('test_name'))
            ->willReturn(FALSE);
        $this->assertTrue($this->lock
            ->wait('test_name', 1));
    }
    
    /**
     * Tests the getLockId() method.
     */
    public function testGetLockId() : void {
        $lock_id = $this->lock
            ->getLockId();
        $this->assertIsString($lock_id);
        // Example lock ID would be '7213141505232b6ee2cb967.27683891'.
        $this->assertMatchesRegularExpression('/[\\da-f]+\\.\\d+/', $lock_id);
        // Test the same lock ID is returned a second time.
        $this->assertSame($lock_id, $this->lock
            ->getLockId());
    }

}