View Javadoc

1   /**
2    * Copyright (C) cedarsoft GmbH.
3    *
4    * Licensed under the GNU General Public License version 3 (the "License")
5    * with Classpath Exception; you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at
7    *
8    *         http://www.cedarsoft.org/gpl3ce
9    *         (GPL 3 with Classpath Exception)
10   *
11   * This code is free software; you can redistribute it and/or modify it
12   * under the terms of the GNU General Public License version 3 only, as
13   * published by the Free Software Foundation. cedarsoft GmbH designates this
14   * particular file as subject to the "Classpath" exception as provided
15   * by cedarsoft GmbH in the LICENSE file that accompanied this code.
16   *
17   * This code is distributed in the hope that it will be useful, but WITHOUT
18   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20   * version 3 for more details (a copy is included in the LICENSE file that
21   * accompanied this code).
22   *
23   * You should have received a copy of the GNU General Public License version
24   * 3 along with this work; if not, write to the Free Software Foundation,
25   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26   *
27   * Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
28   * or visit www.cedarsoft.com if you need additional information or
29   * have any questions.
30   */
31  
32  package com.cedarsoft.serialization;
33  
34  import com.cedarsoft.Version;
35  import org.junit.experimental.theories.*;
36  import org.junit.runner.*;
37  import org.xml.sax.SAXException;
38  
39  import javax.annotation.Nonnull;
40  import java.io.ByteArrayInputStream;
41  import java.io.IOException;
42  
43  /**
44   * Abstract test class for testing the support for multiple format versions
45   * Attention: it is necessary to define at least one DataPoint:
46   * <pre>&#064;DataPoint<br/>public static final Entry&lt;?&gt; entry1 = create(<br/> Version.valueOf( 1, 0, 0 ),<br/> serializedAsByteArray; );</pre>
47   *
48   * @param <T> the type that is deserialized
49   */
50  @RunWith( Theories.class )
51  public abstract class AbstractVersionTest2<T> {
52    /**
53     * This method checks old serialized objects
54     *
55     * @throws IOException
56     * @throws SAXException
57     */
58    @Theory
59    public void testVersion( @Nonnull VersionEntry entry ) throws Exception {
60      Serializer<T> serializer = getSerializer();
61  
62      Version version = entry.getVersion();
63      byte[] serialized = entry.getSerialized( serializer );
64  
65      T deserialized = serializer.deserialize( new ByteArrayInputStream( serialized ) );
66      verifyDeserialized( deserialized, version );
67    }
68  
69    /**
70     * Returns the serializer
71     *
72     * @return the serializer
73     */
74    @Nonnull
75    protected abstract Serializer<T> getSerializer() throws Exception;
76  
77    /**
78     * Verifies the deserialized object.
79     *
80     * @param deserialized the deserialized object
81     * @param version      the version
82     */
83    protected abstract void verifyDeserialized( @Nonnull T deserialized, @Nonnull Version version ) throws Exception;
84  }