1   /*
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase.rest.model;
22  
23  import java.io.StringReader;
24  import java.io.StringWriter;
25  
26  import javax.xml.bind.JAXBContext;
27  import javax.xml.bind.JAXBException;
28  
29  import org.apache.hadoop.hbase.*;
30  import org.apache.hadoop.hbase.util.Bytes;
31  
32  import junit.framework.TestCase;
33  import org.junit.experimental.categories.Category;
34  
35  @Category(SmallTests.class)
36  public class TestTableRegionModel extends TestCase {
37    private static final String TABLE = "testtable";
38    private static final byte[] START_KEY = Bytes.toBytes("abracadbra");
39    private static final byte[] END_KEY = Bytes.toBytes("zzyzx");
40    private static final long ID = 8731042424L;
41    private static final String LOCATION = "testhost:9876";
42  
43    private static final String AS_XML =
44      "<Region location=\"testhost:9876\"" +
45        " endKey=\"enp5eng=\"" +
46        " startKey=\"YWJyYWNhZGJyYQ==\"" +
47        " id=\"8731042424\"" +
48        " name=\"testtable,abracadbra,8731042424\"/>";
49  
50    private JAXBContext context;
51  
52    public TestTableRegionModel() throws JAXBException {
53      super();
54      context = JAXBContext.newInstance(TableRegionModel.class);
55    }
56  
57    private TableRegionModel buildTestModel() {
58      TableRegionModel model =
59        new TableRegionModel(TABLE, ID, START_KEY, END_KEY, LOCATION);
60      return model;
61    }
62  
63    @SuppressWarnings("unused")
64    private String toXML(TableRegionModel model) throws JAXBException {
65      StringWriter writer = new StringWriter();
66      context.createMarshaller().marshal(model, writer);
67      return writer.toString();
68    }
69  
70    private TableRegionModel fromXML(String xml) throws JAXBException {
71      return (TableRegionModel)
72        context.createUnmarshaller().unmarshal(new StringReader(xml));
73    }
74  
75    private void checkModel(TableRegionModel model) {
76      assertTrue(Bytes.equals(model.getStartKey(), START_KEY));
77      assertTrue(Bytes.equals(model.getEndKey(), END_KEY));
78      assertEquals(model.getId(), ID);
79      assertEquals(model.getLocation(), LOCATION);
80      assertEquals(model.getName(), 
81        TABLE + "," + Bytes.toString(START_KEY) + "," + Long.toString(ID) +
82        ".ad9860f031282c46ed431d7af8f94aca.");
83    }
84  
85    public void testBuildModel() throws Exception {
86      checkModel(buildTestModel());
87    }
88  
89    public void testGetName() {
90      TableRegionModel model = buildTestModel();
91      String modelName = model.getName();
92      HRegionInfo hri = new HRegionInfo(Bytes.toBytes(TABLE),
93        START_KEY, END_KEY, false, ID);
94      assertEquals(modelName, hri.getRegionNameAsString());
95    }
96  
97    public void testSetName() {
98      TableRegionModel model = buildTestModel();
99      String name = model.getName();
100     model.setName(name);
101     assertEquals(name, model.getName());
102   }
103 
104   public void testFromXML() throws Exception {
105     checkModel(fromXML(AS_XML));
106   }
107 
108   @org.junit.Rule
109   public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
110     new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
111 }
112