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Verify only one listener per event; #367 verify listener not using MONITOR

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This commit is contained in:
ljacqu 2015-12-21 23:14:42 +01:00
parent f1557b29c3
commit f835a95bac
1 changed files with 35 additions and 0 deletions
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35
src/test/java/fr/xephi/authme/listener/ListenerConsistencyTest.java
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@ -2,13 +2,16 @@ package fr.xephi.authme.listener;
import com.google.common.collect.Sets; import com.google.common.collect.Sets;
import org.bukkit.event.EventHandler; import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.junit.Test; import org.junit.Test;
import java.lang.reflect.Method; import java.lang.reflect.Method;
import java.lang.reflect.Modifier; import java.lang.reflect.Modifier;
import java.util.HashSet;
import java.util.Set; import java.util.Set;
import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat; import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail; import static org.junit.Assert.fail;
@ -41,6 +44,27 @@ public final class ListenerConsistencyTest {
} }
} }
// #367: Event listeners with EventPriority.MONITOR should not change events
@Test
public void shouldNotHaveMonitorLevelEventHandlers() {
for (Class<?> listener : LISTENERS) {
verifyListenerIsNotUsingMonitorPriority(listener);
}
}
@Test
public void shouldNotHaveMultipleHandlersForSameEvent() {
Set<String> events = new HashSet<>();
for (Class<?> listener : LISTENERS) {
for (Method method : listener.getDeclaredMethods()) {
if (events.contains(method.getName())) {
fail("More than one method '" + method.getName() + "' exists (e.g. class: " + listener + ")");
}
events.add(method.getName());
}
}
}
private static void checkCanceledAttribute(Class<?> listenerClass) { private static void checkCanceledAttribute(Class<?> listenerClass) {
final String clazz = listenerClass.getSimpleName(); final String clazz = listenerClass.getSimpleName();
Method[] methods = listenerClass.getDeclaredMethods(); Method[] methods = listenerClass.getDeclaredMethods();
@ -67,6 +91,17 @@ public final class ListenerConsistencyTest {
} }
} }
private static void verifyListenerIsNotUsingMonitorPriority(Class<?> listenerClass) {
final String clazz = listenerClass.getSimpleName();
for (Method method : listenerClass.getDeclaredMethods()) {
if (isTestableMethod(method) && method.isAnnotationPresent(EventHandler.class)) {
EventHandler eventHandlerAnnotation = method.getAnnotation(EventHandler.class);
assertThat("Method " + clazz + "#" + method.getName() + " does not use EventPriority.MONITOR",
eventHandlerAnnotation.priority(), not(equalTo(EventPriority.MONITOR)));
}
}
}
private static boolean isTestableMethod(Method method) { private static boolean isTestableMethod(Method method) {
// A method like "access$000" is created by the compiler when a private member is being accessed by an inner // A method like "access$000" is created by the compiler when a private member is being accessed by an inner
// class, so we need to ignore such methods // class, so we need to ignore such methods