hbase-server/src/test/java/org/apache/hadoop/hbase/procedure/TestProcedureDescriber.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.procedure;
  19
  20 import static org.junit.Assert.*;
  21
  22 import java.io.IOException;
  23 import java.util.Date;
  24 import org.apache.hadoop.hbase.HBaseClassTestRule;
  25 import org.apache.hadoop.hbase.master.procedure.ProcedureDescriber;
  26 import org.apache.hadoop.hbase.procedure2.Procedure;
  27 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
  28 import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;
  29 import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;
  30 import org.apache.hadoop.hbase.testclassification.MasterTests;
  31 import org.apache.hadoop.hbase.testclassification.SmallTests;
  32 import org.junit.ClassRule;
  33 import org.junit.Test;
  34 import org.junit.experimental.categories.Category;
  35
  36 import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
  37 import org.apache.hbase.thirdparty.com.google.protobuf.BytesValue;
  38
  39 @Category({MasterTests.class, SmallTests.class})
  40 public class TestProcedureDescriber {
  41
  42   @ClassRule
  43   public static final HBaseClassTestRule CLASS_RULE =
  44       HBaseClassTestRule.forClass(TestProcedureDescriber.class);
  45
  46   public static class TestProcedure extends Procedure {
  47     @Override
  48     protected Procedure[] execute(Object env) throws ProcedureYieldException,
  49         ProcedureSuspendedException, InterruptedException {
  50       return null;
  51     }
  52
  53     @Override
  54     protected void rollback(Object env)
  55         throws IOException, InterruptedException {
  56     }
  57
  58     @Override
  59     protected boolean abort(Object env) {
  60       return false;
  61     }
  62
  63     @Override
  64     protected void serializeStateData(ProcedureStateSerializer serializer)
  65         throws IOException {
  66       ByteString byteString = ByteString.copyFrom(new byte[] { 'A' });
  67       BytesValue state = BytesValue.newBuilder().setValue(byteString).build();
  68       serializer.serialize(state);
  69     }
  70
  71     @Override
  72     protected void deserializeStateData(ProcedureStateSerializer serializer)
  73         throws IOException {
  74     }
  75   }
  76
  77   @Test
  78   public void test() {
  79     TestProcedure procedure = new TestProcedure();
  80     String result = ProcedureDescriber.describe(procedure);
  81
  82     Date epoch = new Date(0);
  83
  84     assertEquals("{ ID => '-1', PARENT_ID => '-1', STATE => 'INITIALIZING', OWNER => '', "
  85         + "TYPE => 'org.apache.hadoop.hbase.procedure.TestProcedureDescriber$TestProcedure', "
  86         + "START_TIME => '" + epoch + "', LAST_UPDATE => '" + epoch + "', PARAMETERS => [ "
  87         + "{ value => 'QQ==' } ] }", result);
  88   }
  89 }