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 com.datastax.dse.driver.api.mapper.reactive;
  
  import static org.mockito.Mockito.mock;
  
  import com.datastax.oss.driver.api.core.cql.AsyncResultSet;
  import com.datastax.oss.driver.api.core.cql.ColumnDefinitions;
  import com.datastax.oss.driver.api.core.cql.ExecutionInfo;
  import com.datastax.oss.driver.api.core.cql.Row;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.concurrent.CompletionStage;
  import java.util.stream.Collectors;
  import java.util.stream.IntStream;
  
  public class MockAsyncResultSet implements AsyncResultSet {
  
    private final List<Row> rows;
    private final Iterator<Row> iterator;
    private final CompletionStage<AsyncResultSet> nextPage;
    private final ExecutionInfo executionInfo = mock(ExecutionInfo.class);
    private final ColumnDefinitions columnDefinitions = mock(ColumnDefinitions.class);
    private int remaining;
  
    public MockAsyncResultSet(int size, CompletionStage<AsyncResultSet> nextPage) {
      this(IntStream.range(0, size).boxed().map(MockRow::new).collect(Collectors.toList()), nextPage);
    }
  
    public MockAsyncResultSet(List<Row> rows, CompletionStage<AsyncResultSet> nextPage) {
      this.rows = rows;
      iterator = rows.iterator();
      remaining = rows.size();
      this.nextPage = nextPage;
    }
  
    @Override
    public Row one() {
      Row next = iterator.next();
      remaining--;
      return next;
    }
  
    @Override
    public int remaining() {
      return remaining;
    }
  
    @NonNull
    @Override
    public List<Row> currentPage() {
      return new ArrayList<>(rows);
    }
  
    @Override
    public boolean hasMorePages() {
      return nextPage != null;
    }
  
    @NonNull
    @Override
    public CompletionStage<AsyncResultSet> fetchNextPage() throws IllegalStateException {
      return nextPage;
    }
  
    @NonNull
    @Override
    public ColumnDefinitions getColumnDefinitions() {
      return columnDefinitions;
    }
  
    @NonNull
    @Override
    public ExecutionInfo getExecutionInfo() {
      return executionInfo;
    }
  
    @Override
    public boolean wasApplied() {
      return true;
    }
  }
  