/*
 * 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.
 */
package org.apache.hadoop.hbase.regionserver;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;

import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.client.RegionInfoBuilder;
import org.apache.hadoop.hbase.regionserver.MemStoreFlusher.FlushRegionEntry;
import org.apache.hadoop.hbase.testclassification.RegionServerTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

@Tag(RegionServerTests.TAG)
@Tag(SmallTests.TAG)
public class TestFlushRegionEntry {

  private String name;

  @BeforeEach
  public void setTestName(TestInfo testInfo) {
    this.name = testInfo.getTestMethod().get().getName();
  }

  @BeforeAll
  public static void setUp() throws Exception {
    ManualEnvironmentEdge edge = new ManualEnvironmentEdge();
    edge.setValue(12345);
    EnvironmentEdgeManager.injectEdge(edge);
  }

  @AfterAll
  public static void teardown() {
    EnvironmentEdgeManager.reset();
  }

  @Test
  public void testFlushRegionEntryEquality() {
    RegionInfo hri =
      RegionInfoBuilder.newBuilder(TableName.valueOf(name)).setRegionId(1).setReplicaId(0).build();
    HRegion r = mock(HRegion.class);
    doReturn(hri).when(r).getRegionInfo();

    FlushRegionEntry entry = new FlushRegionEntry(r, null, FlushLifeCycleTracker.DUMMY);
    FlushRegionEntry other = new FlushRegionEntry(r, null, FlushLifeCycleTracker.DUMMY);

    assertEquals(entry.hashCode(), other.hashCode());
    assertEquals(entry, other);
  }
}
