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.purchase;
  
  import static org.junit.Assert.assertNotNull;
  
  import java.util.Map;
  
  import org.apache.bigtop.datagenerators.bigpetstore.Constants;
  import org.apache.bigtop.datagenerators.bigpetstore.datamodels.Product;
  import org.apache.bigtop.datagenerators.bigpetstore.generators.purchase.PurchasingProcesses;
  import org.apache.bigtop.datagenerators.samplers.SeedFactory;
  import org.apache.bigtop.datagenerators.samplers.samplers.RouletteWheelSampler;
  import org.apache.bigtop.datagenerators.samplers.samplers.Sampler;
  import org.junit.Test;
  
  import com.google.common.collect.Maps;
  
  public class TestPurchasingProcesses
  {
  
  	@Test
  	public void testSimulatePurchase() throws Exception
  	{
  		Map<Product, Double> productPDF = Maps.newHashMap();
  
  		for(int i = 0; i < 10; i++)
  		{
  			Map<String, Object> fields = Maps.newHashMap();
  			fields.put(Constants.PRODUCT_CATEGORY, "dog food");
  			fields.put(Constants.PRODUCT_QUANTITY, (double) (i + 1));
  			Product product = new Product(fields);
  			productPDF.put(product, 0.1);
  		}
  
  		SeedFactory seedFactory = new SeedFactory(1234);
  		Sampler<Product> sampler = RouletteWheelSampler.create(productPDF, seedFactory);
  
  
  		Map<String, Sampler<Product>> processesMap = Maps.newHashMap();
  		processesMap.put("dog food", sampler);
  		PurchasingProcesses processes = new PurchasingProcesses(processesMap);
  
  		Product product = processes.sample("dog food");
  
  		assertNotNull(product);
  		assertNotNull(product.getFieldValue(Constants.PRODUCT_CATEGORY));
  		assertNotNull(product.getFieldValue(Constants.PRODUCT_QUANTITY));
  
  		product = processes.sample("dog food");
  
  		assertNotNull(product);
  		assertNotNull(product.getFieldValue(Constants.PRODUCT_CATEGORY));
  		assertNotNull(product.getFieldValue(Constants.PRODUCT_QUANTITY));
  	}
  
  }
  