content: /*
   * 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.celeborn.common.write;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.util.HashSet;
  import java.util.Set;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  public class LocationPushFailedBatchesSuiteJ {
  
    @Test
    public void equalsReturnsTrueForIdenticalBatches() {
      LocationPushFailedBatches batch1 = new LocationPushFailedBatches();
      batch1.addFailedBatch(1, 2, 3);
      LocationPushFailedBatches batch2 = new LocationPushFailedBatches();
      batch2.addFailedBatch(1, 2, 3);
      Assert.assertEquals(batch1, batch2);
    }
  
    @Test
    public void equalsReturnsFalseForDifferentBatches() {
      LocationPushFailedBatches batch1 = new LocationPushFailedBatches();
      batch1.addFailedBatch(1, 2, 3);
      LocationPushFailedBatches batch2 = new LocationPushFailedBatches();
      batch2.addFailedBatch(4, 5, 6);
      Assert.assertNotEquals(batch1, batch2);
    }
  
    @Test
    public void hashCodeDiffersForDifferentBatches() {
      LocationPushFailedBatches batch1 = new LocationPushFailedBatches();
      batch1.addFailedBatch(1, 2, 3);
      LocationPushFailedBatches batch2 = new LocationPushFailedBatches();
      batch2.addFailedBatch(4, 5, 6);
      Assert.assertNotEquals(batch1.hashCode(), batch2.hashCode());
    }
  
    @Test
    public void hashCodeSameForIdenticalBatches() {
      LocationPushFailedBatches batch1 = new LocationPushFailedBatches();
      batch1.addFailedBatch(1, 2, 3);
      LocationPushFailedBatches batch2 = new LocationPushFailedBatches();
      batch2.addFailedBatch(1, 2, 3);
      Assert.assertEquals(batch1.hashCode(), batch2.hashCode());
    }
  
    @Test
    public void hashCodeIsConsistent() {
      LocationPushFailedBatches batch = new LocationPushFailedBatches();
      batch.addFailedBatch(1, 2, 3);
      int hashCode1 = batch.hashCode();
      int hashCode2 = batch.hashCode();
      Assert.assertEquals(hashCode1, hashCode2);
    }
  
    @Test
    public void toStringReturnsExpectedFormat() {
      LocationPushFailedBatches batch = new LocationPushFailedBatches();
      batch.addFailedBatch(1, 2, 3);
      String expected =
          "LocationPushFailedBatches{failedBatches=failed attemptKey:1-2 fail batch Ids:3}";
      Assert.assertEquals(expected, batch.toString());
    }
  
    @Test
    public void hashCodeAndEqualsWorkInSet() {
      Set<LocationPushFailedBatches> set = new HashSet<>();
      LocationPushFailedBatches batch1 = new LocationPushFailedBatches();
      batch1.addFailedBatch(1, 2, 3);
      LocationPushFailedBatches batch2 = new LocationPushFailedBatches();
      batch2.addFailedBatch(1, 2, 3);
      set.add(batch1);
      assertTrue(set.contains(batch2));
    }
  
    @Test
    public void concurrentAddAndGetShouldNotConflict() throws InterruptedException {
      LocationPushFailedBatches batches = new LocationPushFailedBatches();
      ExecutorService executor = Executors.newFixedThreadPool(4);
  
      int totalFailedBatches = 1000;
      for (int i = 0; i < totalFailedBatches; i++) {
        final int tIdx = i;
        executor.submit(() -> batches.addFailedBatch(tIdx % 10, tIdx % 5, tIdx));
      }
      executor.shutdown();
      executor.awaitTermination(10, java.util.concurrent.TimeUnit.SECONDS);
      assertTrue(!batches.getFailedBatches().isEmpty());
      assertEquals(
          totalFailedBatches, batches.getFailedBatches().values().stream().mapToInt(Set::size).sum());
    }
  }
  