hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSideNoCodec.java

   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.client;
  19
  20 import static org.junit.Assert.assertTrue;
  21
  22 import java.io.IOException;
  23 import org.apache.hadoop.conf.Configuration;
  24 import org.apache.hadoop.hbase.Cell;
  25 import org.apache.hadoop.hbase.CellScanner;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HBaseTestingUtility;
  28 import org.apache.hadoop.hbase.TableName;
  29 import org.apache.hadoop.hbase.ipc.AbstractRpcClient;
  30 import org.apache.hadoop.hbase.testclassification.ClientTests;
  31 import org.apache.hadoop.hbase.testclassification.MediumTests;
  32 import org.apache.hadoop.hbase.util.Bytes;
  33 import org.junit.AfterClass;
  34 import org.junit.BeforeClass;
  35 import org.junit.ClassRule;
  36 import org.junit.Rule;
  37 import org.junit.Test;
  38 import org.junit.experimental.categories.Category;
  39 import org.junit.rules.TestName;
  40
  41 /**
  42  * Do some ops and prove that client and server can work w/o codecs; that we can pb all the time.
  43  * Good for third-party clients or simple scripts that want to talk direct to hbase.
  44  */
  45 @Category({MediumTests.class, ClientTests.class})
  46 public class TestFromClientSideNoCodec {
  47
  48   @ClassRule
  49   public static final HBaseClassTestRule CLASS_RULE =
  50       HBaseClassTestRule.forClass(TestFromClientSideNoCodec.class);
  51
  52   protected final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  53
  54   @Rule
  55   public TestName name = new TestName();
  56
  57   /**
  58    * @throws java.lang.Exception
  59    */
  60   @BeforeClass
  61   public static void setUpBeforeClass() throws Exception {
  62     // Turn off codec use
  63     TEST_UTIL.getConfiguration().set("hbase.client.default.rpc.codec", "");
  64     TEST_UTIL.startMiniCluster(1);
  65   }
  66
  67   /**
  68    * @throws java.lang.Exception
  69    */
  70   @AfterClass
  71   public static void tearDownAfterClass() throws Exception {
  72     TEST_UTIL.shutdownMiniCluster();
  73   }
  74
  75   @Test
  76   public void testBasics() throws IOException {
  77     final TableName tableName = TableName.valueOf(name.getMethodName());
  78     final byte [][] fs = new byte[][] {Bytes.toBytes("cf1"), Bytes.toBytes("cf2"),
  79       Bytes.toBytes("cf3") };
  80     Table ht = TEST_UTIL.createTable(tableName, fs);
  81     // Check put and get.
  82     final byte [] row = Bytes.toBytes("row");
  83     Put p = new Put(row);
  84     for (byte [] f: fs) {
  85       p.addColumn(f, f, f);
  86     }
  87     ht.put(p);
  88     Result r = ht.get(new Get(row));
  89     int i = 0;
  90     for (CellScanner cellScanner = r.cellScanner(); cellScanner.advance();) {
  91       Cell cell = cellScanner.current();
  92       byte [] f = fs[i++];
  93       assertTrue(Bytes.toString(f),
  94         Bytes.equals(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength(),
  95           f, 0, f.length));
  96     }
  97     // Check getRowOrBefore
  98     byte[] f = fs[0];
  99     Get get = new Get(row);
 100     get.addFamily(f);
 101     r = ht.get(get);
 102     assertTrue(r.toString(), r.containsColumn(f, f));
 103     // Check scan.
 104     ResultScanner scanner = ht.getScanner(new Scan());
 105     int count = 0;
 106     while ((r = scanner.next()) != null) {
 107       assertTrue(r.listCells().size() == 3);
 108       count++;
 109     }
 110     assertTrue(count == 1);
 111   }
 112
 113   @Test
 114   public void testNoCodec() {
 115     Configuration c = new Configuration();
 116     c.set("hbase.client.default.rpc.codec", "");
 117     String codec = AbstractRpcClient.getDefaultCodec(c);
 118     assertTrue(codec == null || codec.length() == 0);
 119   }
 120 }