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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.commons.compress.archivers.dump;
20  
21  import static org.junit.Assert.*;
22  
23  import java.io.FileInputStream;
24  import java.io.InputStream;
25  
26  import org.apache.commons.compress.AbstractTestCase;
27  import org.apache.commons.compress.archivers.ArchiveException;
28  import org.junit.Test;
29  
30  public class DumpArchiveInputStreamTest extends AbstractTestCase {
31  
32      @Test
33      public void testNotADumpArchive() throws Exception {
34          FileInputStream is = new FileInputStream(getFile("bla.zip"));
35          try {
36              new DumpArchiveInputStream(is);
37              fail("expected an exception");
38          } catch (ArchiveException ex) {
39              // expected
40              assertTrue(ex.getCause() instanceof ShortFileException);
41          } finally {
42              is.close();
43          }
44      }
45  
46      @Test
47      public void testNotADumpArchiveButBigEnough() throws Exception {
48          FileInputStream is = new FileInputStream(getFile("zip64support.tar.bz2"));
49          try {
50              new DumpArchiveInputStream(is);
51              fail("expected an exception");
52          } catch (ArchiveException ex) {
53              // expected
54              assertTrue(ex.getCause() instanceof UnrecognizedFormatException);
55          } finally {
56              is.close();
57          }
58      }
59  
60      @Test
61      public void testConsumesArchiveCompletely() throws Exception {
62          InputStream is = DumpArchiveInputStreamTest.class
63              .getResourceAsStream("/archive_with_trailer.dump");
64          DumpArchiveInputStream dump = new DumpArchiveInputStream(is);
65          while (dump.getNextDumpEntry() != null) {
66              // just consume the archive
67          }
68          byte[] expected = new byte[] {
69              'H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!', '\n'
70          };
71          byte[] actual = new byte[expected.length];
72          is.read(actual);
73          assertArrayEquals(expected, actual);
74          dump.close();
75      }
76  
77  }