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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          try (FileInputStream is = new FileInputStream(getFile("bla.zip"))) {
35              new DumpArchiveInputStream(is);
36              fail("expected an exception");
37          } catch (final ArchiveException ex) {
38              // expected
39              assertTrue(ex.getCause() instanceof ShortFileException);
40          }
41      }
42  
43      @Test
44      public void testNotADumpArchiveButBigEnough() throws Exception {
45          try (FileInputStream is = new FileInputStream(getFile("zip64support.tar.bz2"))) {
46              new DumpArchiveInputStream(is);
47              fail("expected an exception");
48          } catch (final ArchiveException ex) {
49              // expected
50              assertTrue(ex.getCause() instanceof UnrecognizedFormatException);
51          }
52      }
53  
54      @Test
55      public void testConsumesArchiveCompletely() throws Exception {
56          final InputStream is = DumpArchiveInputStreamTest.class
57              .getResourceAsStream("/archive_with_trailer.dump");
58          final DumpArchiveInputStream dump = new DumpArchiveInputStream(is);
59          while (dump.getNextDumpEntry() != null) {
60              // just consume the archive
61          }
62          final byte[] expected = new byte[] {
63              'H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!', '\n'
64          };
65          final byte[] actual = new byte[expected.length];
66          is.read(actual);
67          assertArrayEquals(expected, actual);
68          dump.close();
69      }
70  
71  }