1 /* 2 * Copyright (C) 2012 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.eventbus.outside; 18 19 import com.google.common.eventbus.EventBus; 20 import junit.framework.TestCase; 21 import org.checkerframework.checker.nullness.qual.Nullable; 22 23 /** 24 * Abstract base class for tests that EventBus finds the correct subscribers. 25 * 26 * <p>The actual tests are distributed among the other classes in this package based on whether they 27 * are annotated or abstract in the superclass. 28 * 29 * <p>This test must be outside the c.g.c.eventbus package to test correctly. 30 * 31 * @author Louis Wasserman 32 */ 33 abstract class AbstractEventBusTest<H> extends TestCase { 34 static final Object EVENT = new Object(); 35 createSubscriber()36 abstract H createSubscriber(); 37 38 private @Nullable H subscriber; 39 getSubscriber()40 H getSubscriber() { 41 return subscriber; 42 } 43 44 @Override setUp()45 protected void setUp() throws Exception { 46 subscriber = createSubscriber(); 47 EventBus bus = new EventBus(); 48 bus.register(subscriber); 49 bus.post(EVENT); 50 } 51 52 @Override tearDown()53 protected void tearDown() throws Exception { 54 subscriber = null; 55 } 56 } 57