1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Copyright 2008-2015 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazon.carbonado.repo.jdbc;
import com.amazon.carbonado.*;
import java.sql.Connection;
import java.sql.SQLException;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import static org.easymock.EasyMock.*;
/**
* Tests for the JDBCTransactionManager.
*
* These tests mock out everything except the JDBCTransactionManager and
* JDBCTransaction.
*
* @author Jesse Morgan
*/
public class TestJDBCTransactionManager extends TestCase {
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
public static TestSuite suite() {
TestSuite suite = new TestSuite();
suite.addTestSuite(TestJDBCTransactionManager.class);
return suite;
}
private JDBCRepository mMockRepository;
private Connection mMockConnection;
/**
* Default Test Constructor.
*/
public TestJDBCTransactionManager(String name) {
super(name);
}
/**
* Setup Mocks for the test.
*/
@Override
protected void setUp() throws Exception {
super.setUp();
mMockConnection = createMock(Connection.class);
mMockRepository = createMock(JDBCRepository.class);
expect(mMockRepository.getConnectionForTxn(anyObject(IsolationLevel.class)))
.andReturn(mMockConnection)
.anyTimes();
expect(mMockRepository.getExceptionTransformer())
.andReturn(new JDBCExceptionTransformer())
.anyTimes();
}
/**
* Verify aborting a transaction rolls back and closes the connection.
*/
public void testAbortTransaction() throws Exception {
// Expected Results
mMockConnection.rollback();
mMockRepository.closeConnection(mMockConnection);
replayAll();
// Run Test
JDBCTransactionManager txnManager = new JDBCTransactionManager(mMockRepository);
JDBCTransaction t = txnManager.createTxn(null, IsolationLevel.READ_COMMITTED);
txnManager.abortTxn(t);
// Verify Results
verifyAll();
}
/**
* Test that aborting a transaction closes the connection, even if an exception is thrown.
*/
public void testAbortTransactionWhenThrows() throws Exception {
// Expected Results
mMockConnection.rollback();
expectLastCall().andThrow(new SQLException());
mMockRepository.closeConnection(mMockConnection);
replayAll();
// Run Test
JDBCTransactionManager txnManager = new JDBCTransactionManager(mMockRepository);
JDBCTransaction t = txnManager.createTxn(null, IsolationLevel.READ_COMMITTED);
try {
txnManager.abortTxn(t);
fail("Should have thrown.");
} catch (PersistException e) {
// Expected.
}
// Verify Results
verifyAll();
}
/**
* Test that aborting a transaction closes the connection, even if the repository is null.
*/
public void testAbortTransactionWhenRepositoryClosed() throws Exception {
// Expected Results
mMockConnection.rollback();
mMockConnection.close();
replayAll();
// Create a txn.
JDBCTransactionManager txnManager = new JDBCTransactionManager(mMockRepository);
JDBCTransaction t = txnManager.createTxn(null, IsolationLevel.READ_COMMITTED);
// "Close" the repository.
mMockRepository = null;
System.gc();
// Abort should still close the connection.
txnManager.abortTxn(t);
// Verify Results
verify(mMockConnection);
}
/**
* Prepare all the mocks to be replayed.
*/
private void replayAll() {
replay(mMockRepository, mMockConnection);
}
/**
* Verify all the mocks.
*/
private void verifyAll() {
verify(mMockRepository, mMockConnection);
}
}
|
