View Javadoc

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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.io;
19  
20  import java.io.File;
21  import java.io.IOException;
22  
23  import org.apache.hadoop.fs.FileSystem;
24  import org.apache.hadoop.fs.Path;
25  import org.apache.hadoop.hbase.HBaseTestingUtility;
26  import org.apache.hadoop.hbase.testclassification.SmallTests;
27  import org.junit.Test;
28  import org.junit.experimental.categories.Category;
29  
30  /**
31   * Reference tests that run on local fs.
32   */
33  @Category(SmallTests.class)
34  public class TestReference {
35    private final HBaseTestingUtility HTU = new HBaseTestingUtility();
36  
37    /**
38     * See if we can parse a Reference that was written pre-0.96, i.e. a serialized Writable.
39     * Exercises the code path that parses Writables.
40     * @throws IOException
41     */
42    @Test
43    public void testParsingWritableReference() throws IOException {
44      // Read a Reference written w/ 0.94 out of the test data dir.
45      final String datafile = System.getProperty("test.build.classes",
46          "target/test-classes") + File.separator +
47        "a6a6562b777440fd9c34885428f5cb61.21e75333ada3d5bafb34bb918f29576c";
48      FileSystem fs = FileSystem.get(HTU.getConfiguration());
49      Reference.read(fs, new Path(datafile));
50    }
51  }