src/test/java/org/apache/servicemix/store/memory/TimeoutMemoryStoreTest.java

/*
 * 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.servicemix.store.memory;

import junit.framework.TestCase;

import org.apache.servicemix.store.Store;
import org.apache.servicemix.store.StoreListener;
import org.easymock.EasyMock;

import java.util.LinkedHashSet;
import java.util.Set;

import static org.easymock.EasyMock.*;


/**
 * Test case for {@link TimeoutMemoryStore} 
 */
public class TimeoutMemoryStoreTest extends TestCase {
    
    private static final long TIMEOUT = 250L;
    
    private Store store;
    private final MemoryStoreFactory factory = new MemoryStoreFactory();

    private StoreListener listener = createMock(StoreListener.class);

    
    public TimeoutMemoryStoreTest() {
        super();
        factory.setTimeout(TIMEOUT);
        Set<StoreListener> listeners = new LinkedHashSet<StoreListener>();
        listeners.add(listener);
        factory.setStoreListeners(listeners);
    }
    
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        store = factory.open("test");
    }
    
    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
        factory.close(store);
    }

    public void testAddAndRemove() throws Exception {
        String id = "1";
        String data = "Any kind of data...";
        //Record behavior
        listener.onAdd(id,data);
        expectLastCall().times(1);
        listener.onRemove(id,data);
        expectLastCall().times(1);
        replay(listener);
        store.store(id,data);
        store.peek(id);
        store.load(id);
        verify(listener);
    }
    
    public void testTimeout() throws Exception {
        String data = "Any kind of data...";

        //Record behavior
        listener.onAdd(EasyMock.<String>anyObject(),EasyMock.<Object>anyObject());
        expectLastCall().times(2);
        listener.onRemove(EasyMock.<String>anyObject(), EasyMock.<Object>anyObject());
        expectLastCall().once();
        listener.onEvict(EasyMock.<String>anyObject(), EasyMock.<Object>anyObject());
        expectLastCall().once();
        replay(listener);


        String id = store.store(data);
        data = (String) store.load(id);
        assertNotNull(data);
        //now store it again and load it after the timeout
        store.store(id, data);
        synchronized (this) {
            wait(TIMEOUT * 2);
        }
        assertNull("Data should have been removed from store after timeout", store.load(id));
        verify(listener);
    }
}