1 package org.apache.commons.jcs.utils.access;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import junit.framework.TestCase;
23
24 /**
25 * Test cases for the JCS worker.
26 *
27 * @author Aaron Smuts
28 *
29 */
30 public class JCSWorkerUnitTest
31 extends TestCase
32 {
33
34 /**
35 * Test basic worker functionality. This is a serial not a concurrent test.
36 * <p>
37 * Just verify that the worker will go to the cache before asking the helper.
38 *
39 * @throws Exception
40 *
41 */
42 public void testSimpleGet()
43 throws Exception
44 {
45 JCSWorker<String, Long> cachingWorker = new JCSWorker<String, Long>( "example region" );
46
47 // This is the helper.
48 JCSWorkerHelper<Long> helper = new AbstractJCSWorkerHelper<Long>()
49 {
50 int timesCalled = 0;
51
52 @Override
53 public Long doWork()
54 {
55 return Long.valueOf( ++timesCalled );
56 }
57 };
58
59 String key = "abc";
60
61 Long result = cachingWorker.getResult( key, helper );
62 assertEquals( "Called the wrong number of times", Long.valueOf( 1 ), result );
63
64 // should get it from the cache.
65 Long result2 = cachingWorker.getResult( key, helper );
66 assertEquals( "Called the wrong number of times", Long.valueOf( 1 ), result2 );
67 }
68
69 }