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.bigtop.datagenerators.bigpetstore.generators.products.cartesian;
  
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.Map;
  
  import org.apache.bigtop.datagenerators.bigpetstore.generators.products.cartesian.CartesianProductBase;
  import org.apache.bigtop.datagenerators.bigpetstore.generators.products.cartesian.CartesianProductField;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class TestCartesianProductField
  {
  
  	@Test
  	public void testTwoLevels()
  	{
  		Iterator<Map<String, String>> iter = new CartesianProductField<String>(
  				"children", Arrays.asList("1", "2"),
  					new CartesianProductBase<String>(
  							"animal", Arrays.asList("cat", "dog")));
  
  		Assert.assertEquals(iter.hasNext(), true);
  		Map<String, String> map = iter.next();
  		Assert.assertEquals(map.size(), 2);
  		Assert.assertTrue(map.containsKey("animal"));
  		Assert.assertTrue(map.containsKey("children"));
  		Assert.assertEquals(map.get("animal"), "cat");
  		Assert.assertEquals(map.get("children"), "1");
  
  		Assert.assertEquals(iter.hasNext(), true);
  		map = iter.next();
  		Assert.assertEquals(map.size(), 2);
  		Assert.assertTrue(map.containsKey("animal"));
  		Assert.assertTrue(map.containsKey("children"));
  		Assert.assertEquals(map.get("animal"), "cat");
  		Assert.assertEquals(map.get("children"), "2");
  
  		Assert.assertEquals(iter.hasNext(), true);
  		map = iter.next();
  		Assert.assertEquals(map.size(), 2);
  		Assert.assertTrue(map.containsKey("animal"));
  		Assert.assertTrue(map.containsKey("children"));
  		Assert.assertEquals(map.get("animal"), "dog");
  		Assert.assertEquals(map.get("children"), "1");
  
  		Assert.assertEquals(iter.hasNext(), true);
  		map = iter.next();
  		Assert.assertEquals(map.size(), 2);
  		Assert.assertTrue(map.containsKey("animal"));
  		Assert.assertTrue(map.containsKey("children"));
  		Assert.assertEquals(map.get("animal"), "dog");
  		Assert.assertEquals(map.get("children"), "2");
  
  		Assert.assertFalse(iter.hasNext());
  		Assert.assertFalse(iter.hasNext());
  		Assert.assertFalse(iter.hasNext());
  	}
  }
  