001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.procedure2;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertTrue;
022
023import java.util.concurrent.TimeUnit;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;
026import org.apache.hadoop.hbase.testclassification.MasterTests;
027import org.apache.hadoop.hbase.testclassification.SmallTests;
028import org.junit.ClassRule;
029import org.junit.Test;
030import org.junit.experimental.categories.Category;
031
032import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;
033
034@Category({ MasterTests.class, SmallTests.class })
035public class TestProcedureUtil {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE =
039    HBaseClassTestRule.forClass(TestProcedureUtil.class);
040
041  @Test
042  public void testValidation() throws Exception {
043    ProcedureUtil.validateClass(new TestProcedure(10));
044  }
045
046  @Test(expected = BadProcedureException.class)
047  public void testNoDefaultConstructorValidation() throws Exception {
048    ProcedureUtil.validateClass(new TestProcedureNoDefaultConstructor(1));
049  }
050
051  @Test
052  public void testConvert() throws Exception {
053    // check Procedure to protobuf conversion
054    final TestProcedure proc1 = new TestProcedure(10, 1, new byte[] { 65 });
055    final ProcedureProtos.Procedure proto1 = ProcedureUtil.convertToProtoProcedure(proc1);
056    final TestProcedure proc2 = (TestProcedure)ProcedureUtil.convertToProcedure(proto1);
057    final ProcedureProtos.Procedure proto2 = ProcedureUtil.convertToProtoProcedure(proc2);
058    assertEquals(false, proto2.hasResult());
059    assertEquals("Procedure protobuf does not match", proto1, proto2);
060  }
061
062  @Test
063  public void testGetBackoffTimeMs() {
064    for (int i = 30; i < 1000; i++) {
065      assertEquals(TimeUnit.MINUTES.toMillis(10), ProcedureUtil.getBackoffTimeMs(30));
066    }
067    long backoffTimeMs = ProcedureUtil.getBackoffTimeMs(0);
068    assertTrue(backoffTimeMs >= 1000);
069    assertTrue(backoffTimeMs <= 1000 * 1.01f);
070
071    backoffTimeMs = ProcedureUtil.getBackoffTimeMs(1);
072    assertTrue(backoffTimeMs >= 2000);
073    assertTrue(backoffTimeMs <= 2000 * 1.01f);
074
075    backoffTimeMs = ProcedureUtil.getBackoffTimeMs(5);
076    assertTrue(backoffTimeMs >= 32000);
077    assertTrue(backoffTimeMs <= 32000 * 1.01f);
078  }
079
080  public static class TestProcedureNoDefaultConstructor extends TestProcedure {
081    public TestProcedureNoDefaultConstructor(int x) {}
082  }
083}