@Test
public void listenersInApplicationContextWithNestedChild() {
StaticApplicationContext context = new StaticApplicationContext();
RootBeanDefinition nestedChild = new RootBeanDefinition(StaticApplicationContext.class);
nestedChild.getPropertyValues().add("parent", context);
nestedChild.setInitMethodName("refresh");
context.registerBeanDefinition("nestedChild", nestedChild);
RootBeanDefinition listener1Def = new RootBeanDefinition(MyOrderedListener1.class);
listener1Def.setDependsOn(new String[] {"nestedChild"});
context.registerBeanDefinition("listener1", listener1Def);
context.refresh();
MyOrderedListener1 listener1 = context.getBean("listener1", MyOrderedListener1.class);
MyEvent event1 = new MyEvent(context);
context.publishEvent(event1);
assertTrue(listener1.seenEvents.contains(event1));
SimpleApplicationEventMulticaster multicaster =
context.getBean(
AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME,
SimpleApplicationEventMulticaster.class);
assertFalse(multicaster.getApplicationListeners().isEmpty());
context.close();
assertTrue(multicaster.getApplicationListeners().isEmpty());
}
@Test
public void orderedListenersWithAnnotation() {
MyOrderedListener3 listener1 = new MyOrderedListener3();
MyOrderedListener4 listener2 = new MyOrderedListener4(listener1);
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.addApplicationListener(listener2);
smc.addApplicationListener(listener1);
smc.multicastEvent(new MyEvent(this));
smc.multicastEvent(new MyOtherEvent(this));
}
@Test
public void orderedListeners() {
MyOrderedListener1 listener1 = new MyOrderedListener1();
MyOrderedListener2 listener2 = new MyOrderedListener2(listener1);
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.addApplicationListener(listener2);
smc.addApplicationListener(listener1);
smc.multicastEvent(new MyEvent(this));
smc.multicastEvent(new MyOtherEvent(this));
}
@Test
public void simpleApplicationEventMulticasterWithErrorHandler() {
@SuppressWarnings("unchecked")
ApplicationListener<ApplicationEvent> listener = mock(ApplicationListener.class);
ApplicationEvent evt = new ContextClosedEvent(new StaticApplicationContext());
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.setErrorHandler(TaskUtils.LOG_AND_SUPPRESS_ERROR_HANDLER);
smc.addApplicationListener(listener);
willThrow(new RuntimeException()).given(listener).onApplicationEvent(evt);
smc.multicastEvent(evt);
}
private void multicastEvent(
boolean match, Class<?> listenerType, ApplicationEvent event, ResolvableType eventType) {
@SuppressWarnings("unchecked")
ApplicationListener<ApplicationEvent> listener =
(ApplicationListener<ApplicationEvent>) mock(listenerType);
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.addApplicationListener(listener);
if (eventType != null) {
smc.multicastEvent(event, eventType);
} else {
smc.multicastEvent(event);
}
int invocation = match ? 1 : 0;
verify(listener, times(invocation)).onApplicationEvent(event);
}
@Test
@SuppressWarnings("unchecked")
public void proxiedListeners() {
MyOrderedListener1 listener1 = new MyOrderedListener1();
MyOrderedListener2 listener2 = new MyOrderedListener2(listener1);
ApplicationListener<ApplicationEvent> proxy1 =
(ApplicationListener<ApplicationEvent>) new ProxyFactory(listener1).getProxy();
ApplicationListener<ApplicationEvent> proxy2 =
(ApplicationListener<ApplicationEvent>) new ProxyFactory(listener2).getProxy();
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.addApplicationListener(proxy1);
smc.addApplicationListener(proxy2);
smc.multicastEvent(new MyEvent(this));
smc.multicastEvent(new MyOtherEvent(this));
}
@Test
public void simpleApplicationEventMulticasterWithException() {
@SuppressWarnings("unchecked")
ApplicationListener<ApplicationEvent> listener = mock(ApplicationListener.class);
ApplicationEvent evt = new ContextClosedEvent(new StaticApplicationContext());
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.addApplicationListener(listener);
RuntimeException thrown = new RuntimeException();
willThrow(thrown).given(listener).onApplicationEvent(evt);
try {
smc.multicastEvent(evt);
fail("Should have thrown RuntimeException");
} catch (RuntimeException ex) {
assertSame(thrown, ex);
}
}
@Test
public void simpleApplicationEventMulticasterWithTaskExecutor() {
@SuppressWarnings("unchecked")
ApplicationListener<ApplicationEvent> listener = mock(ApplicationListener.class);
ApplicationEvent evt = new ContextClosedEvent(new StaticApplicationContext());
SimpleApplicationEventMulticaster smc = new SimpleApplicationEventMulticaster();
smc.setTaskExecutor(
new Executor() {
@Override
public void execute(Runnable command) {
command.run();
command.run();
}
});
smc.addApplicationListener(listener);
smc.multicastEvent(evt);
verify(listener, times(2)).onApplicationEvent(evt);
}