| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.fineract.cn.lang.listening; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * @author Myrle Krantz |
| */ |
| public class TenantedEventListenerTest { |
| static class SomeState { |
| boolean mutableBit = false; |
| } |
| |
| @Test |
| public void shouldWaitForEventOccurenceTrue() throws InterruptedException { |
| final TenantedEventListener testSubject = new TenantedEventListener(); |
| final EventKey eventKey = new EventKey("shouldWaitForEventOccurenceTrue", "blah", "blah"); |
| final EventExpectation eventExpectation = testSubject.expect(eventKey); |
| final SomeState someState = stateThatMutatesIn60MillisThenNotifiesOnEventKey(testSubject, eventKey); |
| |
| Assert.assertTrue(eventExpectation.waitForOccurrence(600, TimeUnit.MILLISECONDS)); |
| Assert.assertTrue(someState.mutableBit); |
| } |
| |
| @Test |
| public void shouldWaitForEventOccurenceFalse() throws InterruptedException { |
| final TenantedEventListener testSubject = new TenantedEventListener(); |
| final EventKey eventKey = new EventKey("shouldWaitForEventOccurenceFalse", "blah", "blah"); |
| final EventExpectation eventExpectation = testSubject.expect(eventKey); |
| final SomeState someState = stateThatMutatesIn60MillisThenNotifiesOnEventKey(testSubject, eventKey); |
| |
| Assert.assertFalse(eventExpectation.waitForOccurrence(6, TimeUnit.MILLISECONDS)); |
| Assert.assertFalse(someState.mutableBit); //Some potential for flakiness here, because this is timing dependent. |
| } |
| |
| @Test |
| public void shouldNotWaitForEventOccurence() throws InterruptedException { |
| final TenantedEventListener testSubject = new TenantedEventListener(); |
| final EventKey eventKey = new EventKey("shouldNotWaitForEventOccurence", "blah", "blah"); |
| final EventExpectation eventExpectation = testSubject.expect(eventKey); |
| final SomeState someState = stateThatMutatesIn60MillisThenNotifiesOnEventKey(testSubject, eventKey); |
| |
| testSubject.withdrawExpectation(eventExpectation); |
| |
| Assert.assertFalse(eventExpectation.waitForOccurrence(600, TimeUnit.MILLISECONDS)); |
| Assert.assertFalse(someState.mutableBit); //Some potential for flakiness here, because this is timing dependent. |
| } |
| |
| private SomeState stateThatMutatesIn60MillisThenNotifiesOnEventKey( |
| final TenantedEventListener testSubject, |
| final EventKey eventKey) { |
| final SomeState someState = new SomeState(); |
| new Thread(() -> { |
| try { |
| TimeUnit.MILLISECONDS.sleep(60); |
| someState.mutableBit = true; |
| testSubject.notify(eventKey); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| }).start(); |
| return someState; |
| } |
| } |