/*
* Copyright 2006-2014 the original author or authors.
*
* Licensed 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.springframework.batch.sample;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.ItemStream;
import org.springframework.batch.sample.domain.trade.CustomerCredit;
import org.springframework.batch.sample.domain.trade.internal.CustomerCreditIncreaseProcessor;
import org.springframework.batch.test.JobLauncherTestUtils;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "/simple-job-launcher-context.xml", "/jobs/partitionJdbcJob.xml",
"/job-runner-context.xml" })
public class PartitionJdbcJobFunctionalTests implements ApplicationContextAware {
@Autowired
@Qualifier("inputTestReader")
private ItemReader<CustomerCredit> inputReader;
@Autowired
private JobLauncherTestUtils jobLauncherTestUtils;
private ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
/**
* Check the resulting credits correspond to inputs increased by fixed
* amount.
*/
@Test
public void testUpdateCredit() throws Exception {
assertTrue("Define a prototype bean called 'outputTestReader' to check the output", applicationContext
.containsBeanDefinition("outputTestReader"));
open(inputReader);
List<CustomerCredit> inputs = new ArrayList<CustomerCredit>(getCredits(inputReader));
close(inputReader);
JobExecution jobExecution = jobLauncherTestUtils.launchJob();
assertEquals(BatchStatus.COMPLETED, jobExecution.getStatus());
@SuppressWarnings("unchecked")
ItemReader<CustomerCredit> outputReader = (ItemReader<CustomerCredit>) applicationContext
.getBean("outputTestReader");
open(outputReader);
List<CustomerCredit> outputs = new ArrayList<CustomerCredit>(getCredits(outputReader));
close(outputReader);
assertEquals(inputs.size(), outputs.size());
int itemCount = inputs.size();
assertTrue(itemCount > 0);
inputs.iterator();
for (int i = 0; i < itemCount; i++) {
assertEquals(inputs.get(i).getCredit().add(CustomerCreditIncreaseProcessor.FIXED_AMOUNT).intValue(),
outputs.get(i).getCredit().intValue());
}
}
/**
* Read all credits using the provided reader.
*/
private Set<CustomerCredit> getCredits(ItemReader<CustomerCredit> reader) throws Exception {
CustomerCredit credit;
Set<CustomerCredit> result = new LinkedHashSet<CustomerCredit>();
while ((credit = reader.read()) != null) {
result.add(credit);
}
return result;
}
/**
* Open the reader if applicable.
*/
private void open(ItemReader<?> reader) {
if (reader instanceof ItemStream) {
((ItemStream) reader).open(new ExecutionContext());
}
}
/**
* Close the reader if applicable.
*/
private void close(ItemReader<?> reader) {
if (reader instanceof ItemStream) {
((ItemStream) reader).close();
}
}
}