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.ambari.server.orm.helpers;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import junit.framework.Assert;
  
  public class SQLOperationsTest {
    @Before
    public void setup() throws Exception {
  
    }
  
    @Test
    public void testBatchOperation() {
      final List<Integer> testCollection = new ArrayList<>();
      final int collectionSize = 150;
      final int batchSize = 10;
      final int totalExpectedBatches = (int) Math.ceil((float) collectionSize / batchSize);
  
      for (int i = 0; i < collectionSize; i++) {
        testCollection.add(i);
      }
  
      int processedItems = SQLOperations.batch(testCollection, batchSize, (chunk, currentBatch, totalBatches, totalSize) -> {
        Assert.assertTrue(chunk.size() <= batchSize);
        Assert.assertEquals(totalExpectedBatches, totalBatches);
        return chunk.size();
      });
      Assert.assertEquals(collectionSize, processedItems);
    }
  }
  
  