Hibernate
/
hibernate-orm
mirror of https://github.com/hibernate/hibernate-orm
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

HHH-13831 Add tests for multiple listeners 

We want to test what happens when we apply a replacement strategy
  that doesn't match all listeners.
This commit is contained in:
Davide D'Alto 2020-01-30 11:40:09 +00:00 committed by Steve Ebersole
parent 695e3a084e
commit 6670d03493
1 changed files with 81 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
hibernate-core/src/test/java/org/hibernate/event/service/internal/EventListenerReplacementStrategyTest.java
View File

@ -73,6 +73,69 @@ public class EventListenerReplacementStrategyTest {
assertThat( tracker.callers ).containsExactly( ExpectedListener.class );
}
@Test
public void testListenersIteratorWithMultipleListenersAndNoStrategy() {
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.listeners().forEach( listener -> listener.onClear( event ) );
assertThat( tracker.callers ).containsExactly( OriginalListener.class, ExpectedListener.class, ExtraListener.class );
}
@Test
public void testFireLazyEventOnEachListenerWithMultipleListenersAndNoStrategy() {
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.fireLazyEventOnEachListener( () -> event, ClearEventListener::onClear );
assertThat( tracker.callers ).containsExactly( OriginalListener.class, ExpectedListener.class, ExtraListener.class );
}
@Test
public void testFireEventOnEachListenerWithMultipleListenersAndNoStrategy() {
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.fireEventOnEachListener( event, ClearEventListener::onClear );
assertThat( tracker.callers ).containsExactly( OriginalListener.class, ExpectedListener.class, ExtraListener.class );
}
@Test
public void testListenersIteratorWithMultipleListenersAndReplacementStrategy() {
listenerGroup.addDuplicationStrategy( ReplaceOriginalStrategy.INSTANCE );
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.listeners().forEach( listener -> listener.onClear( event ) );
assertThat( tracker.callers ).containsExactly( ExpectedListener.class, ExtraListener.class );
}
@Test
public void testFireLazyEventOnEachListenerWithMultipleListenersAndReplacementStrategy() {
listenerGroup.addDuplicationStrategy( ReplaceOriginalStrategy.INSTANCE );
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.fireLazyEventOnEachListener( () -> event, ClearEventListener::onClear );
assertThat( tracker.callers ).containsExactly( ExpectedListener.class, ExtraListener.class );
}
@Test
public void testFireEventOnEachListenerWithMultipleListenersAndReplacementStrategy() {
listenerGroup.addDuplicationStrategy( ReplaceOriginalStrategy.INSTANCE );
listenerGroup.appendListener( new OriginalListener( tracker ) );
listenerGroup.appendListener( new ExpectedListener( tracker ) );
listenerGroup.appendListener( new ExtraListener( tracker ) );
listenerGroup.fireEventOnEachListener( event, ClearEventListener::onClear );
assertThat( tracker.callers ).containsExactly( ExpectedListener.class, ExtraListener.class );
}
/**
* Keep track of which listener is called and how many listeners are called.
*/
@ -121,13 +184,30 @@ public class EventListenerReplacementStrategyTest {
}
}
/**
* An additional listener to test the case of multiple listeners registered for the same event
*/
private static class ExtraListener implements ClearEventListener {
private final Tracker tracker;
public ExtraListener(Tracker tracker) {
this.tracker = tracker;
}
@Override
public void onClear(ClearEvent event) {
tracker.calledBy( this.getClass() );
}
}
private static class ReplaceOriginalStrategy implements DuplicationStrategy {
static final ReplaceOriginalStrategy INSTANCE = new ReplaceOriginalStrategy();
@Override
public boolean areMatch(Object listener, Object original) {
return original instanceof ClearEventListener && listener instanceof ClearEventListener;
// We just want to replace the original listener with the extra so that we can test with multiple listeners
return original instanceof OriginalListener && listener instanceof ExpectedListener;
}
@Override