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