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.IOException;
24  import java.io.StringReader;
25  import java.io.StringWriter;
26  import java.util.Iterator;
27  
28  import javax.xml.bind.JAXBContext;
29  import javax.xml.bind.JAXBException;
30  
31  import org.apache.hadoop.hbase.util.Base64;
32  import org.apache.hadoop.hbase.util.Bytes;
33  
34  import junit.framework.TestCase;
35  
36  public class TestTableInfoModel 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      "<TableInfo name=\"testtable\">" +
45        "<Region location=\"testhost:9876\"" +
46          " endKey=\"enp5eng=\"" +
47          " startKey=\"YWJyYWNhZGJyYQ==\"" +
48          " id=\"8731042424\"" +
49          " name=\"testtable,abracadbra,8731042424\"/>" +
50      "</TableInfo>";
51  
52    private static final String AS_PB = 
53      "Cgl0ZXN0dGFibGUSSQofdGVzdHRhYmxlLGFicmFjYWRicmEsODczMTA0MjQyNBIKYWJyYWNhZGJy" +
54      "YRoFenp5engg+MSkwyAqDXRlc3Rob3N0Ojk4NzY=";
55  
56    private JAXBContext context;
57  
58    public TestTableInfoModel() throws JAXBException {
59      super();
60      context = JAXBContext.newInstance(
61          TableInfoModel.class,
62          TableRegionModel.class);
63    }
64  
65    private TableInfoModel buildTestModel() {
66      TableInfoModel model = new TableInfoModel();
67      model.setName(TABLE);
68      model.add(new TableRegionModel(TABLE, ID, START_KEY, END_KEY, LOCATION));
69      return model;
70    }
71  
72    @SuppressWarnings("unused")
73    private String toXML(TableInfoModel model) throws JAXBException {
74      StringWriter writer = new StringWriter();
75      context.createMarshaller().marshal(model, writer);
76      return writer.toString();
77    }
78  
79    private TableInfoModel fromXML(String xml) throws JAXBException {
80      return (TableInfoModel)
81        context.createUnmarshaller().unmarshal(new StringReader(xml));
82    }
83  
84    @SuppressWarnings("unused")
85    private byte[] toPB(TableInfoModel model) {
86      return model.createProtobufOutput();
87    }
88  
89    private TableInfoModel fromPB(String pb) throws IOException {
90      return (TableInfoModel) 
91        new TableInfoModel().getObjectFromMessage(Base64.decode(AS_PB));
92    }
93  
94    private void checkModel(TableInfoModel model) {
95      assertEquals(model.getName(), TABLE);
96      Iterator<TableRegionModel> regions = model.getRegions().iterator();
97      TableRegionModel region = regions.next();
98      assertTrue(Bytes.equals(region.getStartKey(), START_KEY));
99      assertTrue(Bytes.equals(region.getEndKey(), END_KEY));
100     assertEquals(region.getId(), ID);
101     assertEquals(region.getLocation(), LOCATION);
102     assertFalse(regions.hasNext());
103   }
104 
105   public void testBuildModel() throws Exception {
106     checkModel(buildTestModel());
107   }
108 
109   public void testFromXML() throws Exception {
110     checkModel(fromXML(AS_XML));
111   }
112 
113   public void testFromPB() throws Exception {
114     checkModel(fromPB(AS_PB));
115   }
116 }