/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
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  package org.apache.hadoop.hbase.master;
  
  import static junit.framework.TestCase.assertFalse;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotEquals;
  import static org.junit.Assert.assertTrue;
  
  import org.apache.hadoop.hbase.ServerName;
  import org.apache.hadoop.hbase.TableName;
  import org.apache.hadoop.hbase.HRegionInfo;
  import org.apache.hadoop.hbase.testclassification.MasterTests;
  import org.apache.hadoop.hbase.testclassification.SmallTests;
  import org.apache.hadoop.hbase.TableName;
  import org.junit.rules.TestName;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  @Category(SmallTests.class)
  public class TestRegionPlan {
    private final ServerName SRC = ServerName.valueOf("source", 1234, 2345);
    private final ServerName DEST = ServerName.valueOf("dest", 1234, 2345);
    @Rule
    public TestName name = new TestName();
  
    @Test
    public void testCompareTo() {
      HRegionInfo hri = new HRegionInfo(TableName.valueOf(name.getMethodName()));
      RegionPlan a = new RegionPlan(hri, null, null);
      RegionPlan b = new RegionPlan(hri, null, null);
      assertEquals(0, a.compareTo(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, null, null);
      assertEquals(1, a.compareTo(b));
      a = new RegionPlan(hri, null, null);
      b = new RegionPlan(hri, SRC, null);
      assertEquals(-1, a.compareTo(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, SRC, null);
      assertEquals(0, a.compareTo(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, SRC, DEST);
      assertEquals(-1, a.compareTo(b));
      a = new RegionPlan(hri, SRC, DEST);
      b = new RegionPlan(hri, SRC, DEST);
      assertEquals(0, a.compareTo(b));
    }
  
    @Test
    public void testEqualsWithNulls() {
      HRegionInfo hri = new HRegionInfo(TableName.valueOf(name.getMethodName()));
      RegionPlan a = new RegionPlan(hri, null, null);
      RegionPlan b = new RegionPlan(hri, null, null);
      assertTrue(a.equals(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, null, null);
      assertFalse(a.equals(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, SRC, null);
      assertTrue(a.equals(b));
      a = new RegionPlan(hri, SRC, null);
      b = new RegionPlan(hri, SRC, DEST);
      assertFalse(a.equals(b));
    }
  
    @Test
    public void testEquals() {
      HRegionInfo hri = new HRegionInfo(TableName.valueOf(name.getMethodName()));
  
      // Identity equality
      RegionPlan plan = new RegionPlan(hri, SRC, DEST);
      assertEquals(plan.hashCode(), new RegionPlan(hri, SRC, DEST).hashCode());
      assertEquals(plan, new RegionPlan(hri, SRC, DEST));
  
      // HRI is used for equality
      HRegionInfo other =
          new HRegionInfo(TableName.valueOf(name.getMethodName() + "other"));
      assertNotEquals(plan.hashCode(), new RegionPlan(other, SRC, DEST).hashCode());
      assertNotEquals(plan, new RegionPlan(other, SRC, DEST));
    }
  }