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Java > Open Source Codes > org > jboss > test > cluster > test > HASingletonElectionPolicyTestCase


1 /*
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
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22 package org.jboss.test.cluster.test;
23
24 import javax.management.ObjectName JavaDoc;
25
26 import junit.framework.Test;
27
28 import org.jboss.jmx.adaptor.rmi.RMIAdaptor;
29 import org.jboss.test.JBossClusteredTestCase;
30
31 /**
32  * Unit tests for HASingletonElectionPolicy.
33  * The testing deployment is under resources/ha/electionpolicy.
34  *
35  * @author <a HREF="mailto:Alex.Fu@novell.com">Alex Fu</a>
36  * @version $Revision: 58536 $
37  *
38  */
39 public class HASingletonElectionPolicyTestCase extends JBossClusteredTestCase
40 {
41    public HASingletonElectionPolicyTestCase(String JavaDoc name)
42    {
43       super(name);
44    }
45    
46    public static Test suite() throws Exception JavaDoc
47    {
48       // Refer to jboss-service.xml under resources/ha/electionpolicy
49 Test t1 = JBossClusteredTestCase.getDeploySetup(HASingletonElectionPolicyTestCase.class, "ha-electionpolicy.sar");
50       return t1;
51    }
52    
53    public void testElectionPolicy() throws Exception JavaDoc
54    {
55       // Get MBeanServerConnections
56 RMIAdaptor[] adaptors = this.getAdaptors();
57       int size = adaptors.length;
58       assertTrue(size > 1); // cluster size must be at least 2
59
60       // First policy is to elect the oldest node (position = 0)
61 {
62          ObjectName JavaDoc mbean = new ObjectName JavaDoc("jboss.examples:service=HASingletonMBeanExample_1");
63          
64          Boolean JavaDoc n1 = (Boolean JavaDoc)adaptors[0].getAttribute(mbean, "MasterNode");
65          Boolean JavaDoc n2 = (Boolean JavaDoc)adaptors[size - 1].getAttribute(mbean, "MasterNode");
66          
67          assertEquals(Boolean.TRUE, n1);
68          assertEquals(Boolean.FALSE, n2);
69       }
70       // Second policy is the youngest (position = -1)
71 {
72          ObjectName JavaDoc mbean = new ObjectName JavaDoc("jboss.examples:service=HASingletonMBeanExample_2");
73          
74          Boolean JavaDoc n1 = (Boolean JavaDoc)adaptors[0].getAttribute(mbean, "MasterNode");
75          Boolean JavaDoc n2 = (Boolean JavaDoc)adaptors[size - 1].getAttribute(mbean, "MasterNode");
76          
77          assertEquals(Boolean.FALSE, n1);
78          assertEquals(Boolean.TRUE, n2);
79       }
80       // 3rd policy is the 2nd oldest (position = 1)
81 {
82          ObjectName JavaDoc mbean = new ObjectName JavaDoc("jboss.examples:service=HASingletonMBeanExample_3");
83          
84          Boolean JavaDoc n1 = (Boolean JavaDoc)adaptors[0].getAttribute(mbean, "MasterNode");
85          Boolean JavaDoc n2 = (Boolean JavaDoc)adaptors[1].getAttribute(mbean, "MasterNode");
86          
87          assertEquals(Boolean.FALSE, n1);
88          assertEquals(Boolean.TRUE, n2);
89       }
90       // 4th policy is not set, default is oldest
91 {
92          ObjectName JavaDoc mbean = new ObjectName JavaDoc("jboss.examples:service=HASingletonMBeanExample_4");
93          
94          Boolean JavaDoc n1 = (Boolean JavaDoc)adaptors[0].getAttribute(mbean, "MasterNode");
95          Boolean JavaDoc n2 = (Boolean JavaDoc)adaptors[size - 1].getAttribute(mbean, "MasterNode");
96          
97          assertEquals(Boolean.TRUE, n1);
98          assertEquals(Boolean.FALSE, n2);
99       }
100       
101       return;
102    }
103 }
104
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