java测试IllegalArgumentException未按预期捕获
我有以下测试代码:
@Test(expected = IllegalArgumentException.class)
public void addPlayerFailureTest() {
playerDAO.addPlayer(null);
}
这段代码应该返回一个IllegalArgumentException
,它会按预期的那样返回。但是,它会将测试变为红色。这是stacktrace:
ERROR addPlayer, Player failure:
java.lang.IllegalArgumentException: attempt to create merge event with null entity
at org.hibernate.event.MergeEvent.<init>(MergeEvent.java:60)
at org.hibernate.event.MergeEvent.<init>(MergeEvent.java:43)
at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:688)
at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:692)
at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:235)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)
at com.sun.proxy.$Proxy32.merge(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:240)
at com.sun.proxy.$Proxy32.merge(Unknown Source)
at fr.game.core.dao.AbstractJpaGenericDAO.update(AbstractJpaGenericDAO.java:58)
at fr.game.core.dao.player.JPAJoueurDAO.addJoueur(JPAJoueurDAO.java:40)
at fr.game.core.dao.player.JoueurDAOTest.addJoueurFailureTest(JoueurDAOTest.java:23)
我应该收到这个例外,但我不能。在Enum
中测试错误的值时,我遇到了相同的行为
为什么它会让我的测试失败是不是因为异常是从这样一个地方抛出的,以至于无法通过这种方式捕获
编辑
{
public boolean addPlayer(Player player) {
try {
update(player);
return true;
} catch (Exception e) {
log.error("Player failure : ", e);
return false;
}
}
它以前可能会被检测到(因为在本例中我们不会到达^{
# 1 楼答案
您正在
addPlayer()
方法中捕获IllegalArgumentException
(它是Exception
的子类型)。它从未达到测试方法。 您看到的不是测试方法引发的实际异常,而是log.error("Player failure : ", e);
的控制台输出