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1   /*
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
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7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
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19  
20  package org.apache.hadoop.hbase.rest;
21  
22  import java.io.ByteArrayInputStream;
23  import java.io.IOException;
24  import java.io.StringWriter;
25  
26  import javax.xml.bind.JAXBContext;
27  import javax.xml.bind.JAXBException;
28  
29  import org.apache.hadoop.conf.Configuration;
30  import org.apache.hadoop.hbase.HBaseTestingUtility;
31  import org.apache.hadoop.hbase.MediumTests;
32  import org.apache.hadoop.hbase.client.HBaseAdmin;
33  import org.apache.hadoop.hbase.rest.client.Client;
34  import org.apache.hadoop.hbase.rest.client.Cluster;
35  import org.apache.hadoop.hbase.rest.client.Response;
36  import org.apache.hadoop.hbase.rest.model.ColumnSchemaModel;
37  import org.apache.hadoop.hbase.rest.model.TableSchemaModel;
38  import org.apache.hadoop.hbase.rest.model.TestTableSchemaModel;
39  import org.apache.hadoop.hbase.util.Bytes;
40  
41  import static org.junit.Assert.*;
42  
43  import org.junit.AfterClass;
44  import org.junit.BeforeClass;
45  import org.junit.Test;
46  import org.junit.experimental.categories.Category;
47  
48  @Category(MediumTests.class)
49  public class TestSchemaResource {
50    private static String TABLE1 = "TestSchemaResource1";
51    private static String TABLE2 = "TestSchemaResource2";
52  
53    private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
54    private static final HBaseRESTTestingUtility REST_TEST_UTIL =
55      new HBaseRESTTestingUtility();
56    private static Client client;
57    private static JAXBContext context;
58    private static Configuration conf;
59  
60    @BeforeClass
61    public static void setUpBeforeClass() throws Exception {
62      conf = TEST_UTIL.getConfiguration();
63      TEST_UTIL.startMiniCluster();
64      REST_TEST_UTIL.startServletContainer(conf);
65      client = new Client(new Cluster().add("localhost",
66        REST_TEST_UTIL.getServletPort()));
67      context = JAXBContext.newInstance(
68        ColumnSchemaModel.class,
69        TableSchemaModel.class);
70    }
71  
72    @AfterClass
73    public static void tearDownAfterClass() throws Exception {
74      REST_TEST_UTIL.shutdownServletContainer();
75      TEST_UTIL.shutdownMiniCluster();
76    }
77  
78    private static byte[] toXML(TableSchemaModel model) throws JAXBException {
79      StringWriter writer = new StringWriter();
80      context.createMarshaller().marshal(model, writer);
81      return Bytes.toBytes(writer.toString());
82    }
83  
84    private static TableSchemaModel fromXML(byte[] content)
85        throws JAXBException {
86      return (TableSchemaModel) context.createUnmarshaller()
87        .unmarshal(new ByteArrayInputStream(content));
88    }
89  
90    @Test
91    public void testTableCreateAndDeleteXML() throws IOException, JAXBException {
92      String schemaPath = "/" + TABLE1 + "/schema";
93      TableSchemaModel model;
94      Response response;
95  
96      HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
97      assertFalse(admin.tableExists(TABLE1));
98  
99      // create the table
100     model = TestTableSchemaModel.buildTestModel(TABLE1);
101     TestTableSchemaModel.checkModel(model, TABLE1);
102     response = client.put(schemaPath, Constants.MIMETYPE_XML, toXML(model));
103     assertEquals(response.getCode(), 201);
104 
105     // recall the same put operation but in read-only mode
106     conf.set("hbase.rest.readonly", "true");
107     response = client.put(schemaPath, Constants.MIMETYPE_XML, toXML(model));
108     assertEquals(response.getCode(), 403);
109 
110     // retrieve the schema and validate it
111     response = client.get(schemaPath, Constants.MIMETYPE_XML);
112     assertEquals(response.getCode(), 200);
113     assertEquals(Constants.MIMETYPE_XML, response.getHeader("content-type"));
114     model = fromXML(response.getBody());
115     TestTableSchemaModel.checkModel(model, TABLE1);
116 
117     // delete the table
118     client.delete(schemaPath);
119 
120     // make sure HBase concurs
121     assertFalse(admin.tableExists(TABLE1));
122 
123     // return read-only setting back to default
124     conf.set("hbase.rest.readonly", "false");
125   }
126 
127   @Test
128   public void testTableCreateAndDeletePB() throws IOException, JAXBException {
129     String schemaPath = "/" + TABLE2 + "/schema";
130     TableSchemaModel model;
131     Response response;
132 
133     HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
134     assertFalse(admin.tableExists(TABLE2));
135 
136     // create the table
137     model = TestTableSchemaModel.buildTestModel(TABLE2);
138     TestTableSchemaModel.checkModel(model, TABLE2);
139     response = client.put(schemaPath, Constants.MIMETYPE_PROTOBUF,
140       model.createProtobufOutput());
141     assertEquals(response.getCode(), 201);
142 
143     // recall the same put operation but in read-only mode
144     conf.set("hbase.rest.readonly", "true");
145     response = client.put(schemaPath, Constants.MIMETYPE_PROTOBUF,
146       model.createProtobufOutput());
147     assertEquals(response.getCode(), 403);
148 
149     // retrieve the schema and validate it
150     response = client.get(schemaPath, Constants.MIMETYPE_PROTOBUF);
151     assertEquals(response.getCode(), 200);
152     assertEquals(Constants.MIMETYPE_PROTOBUF, response.getHeader("content-type"));
153     model = new TableSchemaModel();
154     model.getObjectFromMessage(response.getBody());
155     TestTableSchemaModel.checkModel(model, TABLE2);
156 
157     // retrieve the schema and validate it with alternate pbuf type
158     response = client.get(schemaPath, Constants.MIMETYPE_PROTOBUF_IETF);
159     assertEquals(response.getCode(), 200);
160     assertEquals(Constants.MIMETYPE_PROTOBUF_IETF, response.getHeader("content-type"));
161     model = new TableSchemaModel();
162     model.getObjectFromMessage(response.getBody());
163     TestTableSchemaModel.checkModel(model, TABLE2);
164 
165     // delete the table
166     client.delete(schemaPath);
167 
168     // make sure HBase concurs
169     assertFalse(admin.tableExists(TABLE2));
170 
171     // return read-only setting back to default
172     conf.set("hbase.rest.readonly", "false");
173   }
174 
175 }
176