Java tutorial
/** * Copyright (C) 2009-2010 the original author or authors. * * Licensed 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 de.marcelsauer.jmsloadtester.handler; import de.marcelsauer.jmsloadtester.AbstractJmsLoaderTest; import org.junit.Before; import org.junit.Test; import org.springframework.jndi.JndiTemplate; import javax.jms.Destination; import javax.naming.NamingException; import static org.easymock.EasyMock.expect; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; public class DestinationHandlerImplTest extends AbstractJmsLoaderTest { private DestinationHandler handler; private JndiTemplate mockJndiTemplate; private Destination mockDestination1; private Destination mockDestination2; @Before public void setUp() throws Exception { mockJndiTemplate = createMockOfType(JndiTemplate.class); mockDestination1 = createMockOfType(Destination.class); mockDestination2 = createMockOfType(Destination.class); handler = new DestinationHandlerImpl(mockJndiTemplate); } @Test public void testCaching() throws NamingException { expect(mockJndiTemplate.lookup("dummy1")).andReturn(mockDestination1).times(1); expect(mockJndiTemplate.lookup("dummy2")).andReturn(mockDestination2).times(1); replay(); final Destination dest1 = handler.getDestination("dummy1"); final Destination dest2 = handler.getDestination("dummy2"); assertTrue(dest1 != null); assertTrue(dest2 != null); assertTrue(dest1 != dest2); assertFalse(dest1.equals(dest2)); for (int i = 0; i < 100; i++) { Destination cachedDest = handler.getDestination("dummy1"); assertTrue(dest1 == cachedDest); assertTrue(dest1.equals(cachedDest)); } verify(); } }