ImmutableEventDispatcher example

throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
        }

        $this->modelTransformers = [];

        return $this;
    }

    public function getEventDispatcher(): EventDispatcherInterface
    {
        if ($this->locked && !$this->dispatcher instanceof ImmutableEventDispatcher) {
            $this->dispatcher = new ImmutableEventDispatcher($this->dispatcher);
        }

        return $this->dispatcher;
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function getPropertyPath(): ?PropertyPathInterface
    {

/** * @author Bernhard Schussek <bschussek@gmail.com> */
class ImmutableEventDispatcherTest extends TestCase
{
    private MockObject&EventDispatcherInterface $innerDispatcher;
    private ImmutableEventDispatcher $dispatcher;

    protected function setUp(): void
    {
        $this->innerDispatcher = $this->createMock(EventDispatcherInterface::class);
        $this->dispatcher = new ImmutableEventDispatcher($this->innerDispatcher);
    }

    public function testDispatchDelegates()
    {
        $event = new Event();
        $resultEvent = new Event();

        $this->innerDispatcher->expects($this->once())
            ->method('dispatch')
            ->with($event, 'event')
            ->willReturn($resultEvent);