1   /*
2    * Copyright 2005-2010 the original author or 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 org.springframework.ws.support;
18  
19  import java.util.List;
20  import java.util.Properties;
21  
22  import org.springframework.beans.BeansException;
23  import org.springframework.beans.factory.BeanInitializationException;
24  import org.springframework.context.ApplicationContext;
25  import org.springframework.context.ApplicationContextAware;
26  import org.springframework.context.support.StaticApplicationContext;
27  import org.springframework.core.io.ClassPathResource;
28  import org.springframework.core.io.Resource;
29  
30  import org.junit.Assert;
31  import org.junit.Test;
32  
33  public class DefaultStrategiesHelperTest {
34  
35      @Test
36      public void testGetDefaultStrategies() throws Exception {
37  
38          Properties strategies = new Properties();
39          strategies.put(Strategy.class.getName(),
40                  StrategyImpl.class.getName() + "," + ContextAwareStrategyImpl.class.getName());
41          DefaultStrategiesHelper helper = new DefaultStrategiesHelper(strategies);
42  
43          StaticApplicationContext applicationContext = new StaticApplicationContext();
44          applicationContext.registerSingleton("strategy1", StrategyImpl.class);
45          applicationContext.registerSingleton("strategy2", ContextAwareStrategyImpl.class);
46  
47          List<Strategy> result = helper.getDefaultStrategies(Strategy.class, applicationContext);
48          Assert.assertNotNull("No result", result);
49          Assert.assertEquals("Invalid amount of strategies", 2, result.size());
50          Assert.assertTrue("Result not a Strategy implementation", result.get(0) != null);
51          Assert.assertTrue("Result not a Strategy implementation", result.get(1) != null);
52          Assert.assertTrue("Result not a StrategyImpl implementation", result.get(0) instanceof StrategyImpl);
53          Assert.assertTrue("Result not a StrategyImpl implementation", result.get(1) instanceof ContextAwareStrategyImpl);
54          ContextAwareStrategyImpl impl = (ContextAwareStrategyImpl) result.get(1);
55          Assert.assertNotNull("No application context injected", impl.getApplicationContext());
56      }
57  
58      @Test
59      public void testGetDefaultStrategy() throws Exception {
60          Properties strategies = new Properties();
61          strategies.put(Strategy.class.getName(), StrategyImpl.class.getName());
62          DefaultStrategiesHelper helper = new DefaultStrategiesHelper(strategies);
63  
64          StaticApplicationContext applicationContext = new StaticApplicationContext();
65          applicationContext.registerSingleton("strategy1", StrategyImpl.class);
66          applicationContext.registerSingleton("strategy2", ContextAwareStrategyImpl.class);
67  
68          Object result = helper.getDefaultStrategy(Strategy.class, applicationContext);
69          Assert.assertNotNull("No result", result);
70          Assert.assertTrue("Result not a Strategy implementation", result instanceof Strategy);
71          Assert.assertTrue("Result not a StrategyImpl implementation", result instanceof StrategyImpl);
72      }
73  
74      @Test
75      public void testGetDefaultStrategyMoreThanOne() throws Exception {
76          Properties strategies = new Properties();
77          strategies.put(Strategy.class.getName(),
78                  StrategyImpl.class.getName() + "," + ContextAwareStrategyImpl.class.getName());
79          DefaultStrategiesHelper helper = new DefaultStrategiesHelper(strategies);
80  
81          StaticApplicationContext applicationContext = new StaticApplicationContext();
82          applicationContext.registerSingleton("strategy1", StrategyImpl.class);
83          applicationContext.registerSingleton("strategy2", ContextAwareStrategyImpl.class);
84  
85          try {
86              helper.getDefaultStrategy(Strategy.class, applicationContext);
87              Assert.fail("Expected BeanInitializationException");
88          }
89          catch (BeanInitializationException ex) {
90              // expected
91          }
92      }
93  
94      @Test
95      public void testResourceConstructor() throws Exception {
96          Resource resource = new ClassPathResource("strategies.properties", getClass());
97          new DefaultStrategiesHelper(resource);
98      }
99  
100     public interface Strategy {
101 
102     }
103 
104     private static class StrategyImpl implements Strategy {
105 
106     }
107 
108     private static class ContextAwareStrategyImpl implements Strategy, ApplicationContextAware {
109 
110         private ApplicationContext applicationContext;
111 
112         public ApplicationContext getApplicationContext() {
113             return applicationContext;
114         }
115 
116         public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
117             this.applicationContext = applicationContext;
118         }
119     }
120 }