1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.mgt;
20
21 import org.apache.shiro.subject.PrincipalCollection;
22 import org.apache.shiro.subject.Subject;
23 import org.apache.shiro.subject.SubjectContext;
24 import org.apache.shiro.subject.support.DefaultSubjectContext;
25 import org.junit.Test;
26
27 import static org.junit.Assert.assertNull;
28
29 /**
30 * Test cases for the {@link AbstractRememberMeManager} implementation.
31 */
32 public class AbstractRememberMeManagerTest {
33
34 /**
35 * Tests the {@link AbstractRememberMeManager#getRememberedPrincipals(SubjectContext)} method
36 * implementation when the internal
37 * {@link AbstractRememberMeManager#getRememberedSerializedIdentity(SubjectContext)} method
38 * returns null or empty bytes.
39 */
40 @Test
41 public void testGetRememberedPrincipalsWithEmptySerializedBytes() {
42 AbstractRememberMeManager rmm = new DummyRememberMeManager();
43 //Since the dummy's getRememberedSerializedIdentity implementation returns an empty byte
44 //array, we should be ok:
45 PrincipalCollection principals = rmm.getRememberedPrincipals(new DefaultSubjectContext());
46 assertNull(principals);
47
48 //try with a null return value too:
49 rmm = new DummyRememberMeManager() {
50 @Override
51 protected byte[] getRememberedSerializedIdentity(SubjectContext subjectContext) {
52 return null;
53 }
54 };
55 principals = rmm.getRememberedPrincipals(new DefaultSubjectContext());
56 assertNull(principals);
57 }
58
59 private static class DummyRememberMeManager extends AbstractRememberMeManager {
60 public void forgetIdentity(SubjectContext subjectContext) {
61 //do nothing
62 }
63
64 @Override
65 protected void forgetIdentity(Subject subject) {
66 }
67
68 @Override
69 protected void rememberSerializedIdentity(Subject subject, byte[] serialized) {
70 }
71
72 @Override
73 protected byte[] getRememberedSerializedIdentity(SubjectContext subjectContext) {
74 return new byte[0];
75 }
76 }
77 }