你好，我已经为我的逻辑写了一个测试用例，所有这些都很好地工作。但是，我不知道如何测试我的自定义异常。我的代码如下；

@Component
    public class PlaneFactory {

        public Plane getPlane(String planeType) {

            if (StringUtils.isBlank(planeType)) {
                throw new PlaneTypeNotFoundException();
            }

            if (planeType.equalsIgnoreCase("lightJet")) {
                return new LightJet();

            } else if (planeType.equalsIgnoreCase("midJet")) {
                return new MidJet();
            }

            else {
                 throw new InvalidPlaneTypeException();
                 }

       my custom exceptions below;

     PlaneTypeNotFoundException class below;

public class PlaneTypeNotFoundException extends RuntimeException {

        private static final long serialVersionUID = 4314211343358454345L;

        public PlaneTypeNotFoundException() {

            super("You have not enter anything to check a plane");
        }

    }
    InvalidPlaneTypeException below;

public class InvalidPlaneTypeException extends RuntimeException {

        public InvalidPlaneTypeException() {

            super("You need to enter one of following plane types : {LightJet, MidJet}");
        }

    }

哪些方法适合使用？我的意思是在这个场景中，我应该使用assertthrows还是只使用预期的注解？
对于planetypenotfoundexception，我尝试了一些在下面不起作用的方法

@Test
public void testPlaneFactory_isEmptyOrNull_ThenReturnException() {

    String planeType = "";

    LightJet lightJet= (LightJet) planeFactory.getPlane(planeType);

    assertThrows(PlaneNotFoundException.class, () -> lightJet.getType().equalsIgnoreCase(planeType), "You have not enter anything to check a plane");
}