TestEagerLoader


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package hivemind.test.services;
16  
17  import hivemind.test.FrameworkTestCase;
18  import hivemind.test.services.impl.LoudRunner;
19  
20  import java.util.ArrayList  ;
21  import java.util.List  ;
22  
23  import org.apache.hivemind.Registry;
24  import org.apache.hivemind.definition.Contribution;
25  import org.apache.hivemind.definition.ContributionContext;
26  import org.apache.hivemind.definition.ServicePointDefinition;
27  import org.apache.hivemind.definition.impl.ModuleDefinitionHelper;
28  import org.apache.hivemind.definition.impl.ModuleDefinitionImpl;
29  import org.apache.hivemind.internal.ServiceModel;
30  import org.apache.hivemind.internal.ServicePoint;
31  import org.apache.hivemind.service.impl.EagerLoader;
32  
33  /**
34   * Tests for the {@link org.apache.hivemind.service.impl.EagerLoader} service.
35   *
36   * @author Howard Lewis Ship
37   */
38  public class TestEagerLoader extends FrameworkTestCase
39  {
40      public void testEagerLoaderImpl()
41      {
42          EagerLoader el = new EagerLoader();
43          List   l = new ArrayList  ();
44  
45          ServicePoint sp = (ServicePoint) newMock(ServicePoint.class);
46  
47          sp.forceServiceInstantiation();
48     
49          replayControls();
50  
51          l.add(sp);
52  
53          el.setServicePoints(l);
54  
55          el.run();
56  
57          verifyControls();
58      }
59  
60      public void testEagerLoadSingleton() throws Exception  
61      {
62          interceptLogging("hivemind.test.services.Loud");
63  
64          createEagerLoadModule(ServiceModel.SINGLETON);
65  
66          assertLoggedMessage("Instantiated.");
67      }
68  
69      public void testEagerLoadPrimitive() throws Exception  
70      {
71          interceptLogging("hivemind.test.services.Loud");
72  
73          createEagerLoadModule(ServiceModel.PRIMITIVE);
74  
75          assertLoggedMessage("Instantiated.");
76      }
77  
78      public void testEagerLoadThreaded() throws Exception  
79      {
80          interceptLogging("hivemind.test.services.Loud");
81  
82          createEagerLoadModule(ServiceModel.THREADED);
83  
84          assertLoggedMessage("Instantiated.");
85      }
86  
87      public void testEagerLoadPooled() throws Exception  
88      {
89          interceptLogging("hivemind.test.services.Loud");
90  
91          createEagerLoadModule(ServiceModel.POOLED);
92  
93          assertLoggedMessage("Instantiated.");
94      }
95      
96      /**
97       * Creates a Registry with one module, that defines a Service "Loud" added to the EagerLoad 
98       * configuration.
99       */
100     private Registry createEagerLoadModule(final String   serviceModel)
101     {
102         ModuleDefinitionImpl module = createModuleDefinition("hivemind.test.services");
103         ModuleDefinitionHelper helper = new ModuleDefinitionHelper(module);
104 
105         ServicePointDefinition sp1 = helper.addServicePoint("Loud", Runnable  .class.getName());
106         helper.addSimpleServiceImplementation(sp1, LoudRunner.class.getName(), serviceModel);
107 
108         // Add service point "Loud" to EagerLoad configuration point
109         helper.addContributionDefinition("hivemind.EagerLoad", new Contribution()
110         {
111             public void contribute(ContributionContext context)
112             {
113                 List   contribution = new ArrayList  ();
114                 contribution.add(context.getDefiningModule().getServicePoint("hivemind.test.services.Loud"));
115                 context.mergeContribution(contribution);
116             }
117         });
118 
119         return buildFrameworkRegistry(module);
120     }
121  
122 }
123
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