TestDelegatingPreparedStatement


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
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.apache.commons.dbcp;
18  
19  import java.sql.Connection  ;
20  import java.sql.PreparedStatement  ;
21  
22  import junit.framework.Test;
23  import junit.framework.TestCase;
24  import junit.framework.TestSuite;
25  
26  /**
27   * @author Rodney Waldhoff
28   * @author Dirk Verbeeck
29   * @version $Revision: 1.6 $ $Date: 2004/02/28 11:47:51 $
30   */
31  public class TestDelegatingPreparedStatement extends TestCase {
32      public TestDelegatingPreparedStatement(String   testName) {
33          super(testName);
34      }
35  
36      public static Test suite() {
37          return new TestSuite(TestDelegatingPreparedStatement.class);
38      }
39  
40      private DelegatingConnection conn = null;
41      private Connection   delegateConn = null;
42      private DelegatingPreparedStatement stmt = null;
43      private PreparedStatement   delegateStmt = null;
44  
45      public void setUp() throws Exception   {
46          delegateConn = new TesterConnection("test", "test");
47          conn = new DelegatingConnection(delegateConn);
48      }
49  
50      public void testExecuteQueryReturnsNull() throws Exception   {
51          delegateStmt = new TesterPreparedStatement(delegateConn,"null");
52          stmt = new DelegatingPreparedStatement(conn,delegateStmt);
53          assertNull(stmt.executeQuery());
54      }
55  
56      public void testExecuteQueryReturnsNotNull() throws Exception   {
57          delegateStmt = new TesterPreparedStatement(delegateConn,"select * from foo");
58          stmt = new DelegatingPreparedStatement(conn,delegateStmt);
59          assertTrue(null != stmt.executeQuery());
60      }
61  
62      public void testGetDelegate() throws Exception   {
63          delegateStmt = new TesterPreparedStatement(delegateConn,"select * from foo");
64          stmt = new DelegatingPreparedStatement(conn,delegateStmt);
65          assertEquals(delegateStmt,stmt.getDelegate());
66      }
67  
68      public void testHashCodeNull() {
69          stmt = new DelegatingPreparedStatement(conn, null);
70          assertEquals(0, stmt.hashCode());
71      }
72      
73      public void testHashCode() {
74          delegateStmt = new TesterPreparedStatement(delegateConn,"select * from foo");
75          DelegatingPreparedStatement stmt = new DelegatingPreparedStatement(conn,delegateStmt);
76          DelegatingPreparedStatement stmt2 = new DelegatingPreparedStatement(conn,delegateStmt);
77          assertEquals(stmt.hashCode(), stmt2.hashCode());
78      }
79      
80      public void testEquals() {
81          delegateStmt = new TesterPreparedStatement(delegateConn,"select * from foo");
82          DelegatingPreparedStatement stmt = new DelegatingPreparedStatement(conn, delegateStmt);
83          DelegatingPreparedStatement stmt2 = new DelegatingPreparedStatement(conn, delegateStmt);
84          DelegatingPreparedStatement stmt3 = new DelegatingPreparedStatement(conn, null);
85          
86          assertTrue(!stmt.equals(null));
87          assertTrue(stmt.equals(stmt2));
88          assertTrue(!stmt.equals(stmt3));
89      }
90  
91  }
92
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