/*
* Copyright 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.test;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import javax.sql.DataSource;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.annotation.AfterStep;
import org.springframework.batch.core.annotation.BeforeStep;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepScope;
import org.springframework.batch.item.ItemProcessor;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.ItemWriter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class StepScopeAnnotatedListenerIntegrationTests {
@Autowired
JobLauncherTestUtils jobLauncherTestUtils;
@Test
public void test() {
JobExecution jobExecution = jobLauncherTestUtils.launchStep("step-under-test");
assertEquals(ExitStatus.COMPLETED, jobExecution.getExitStatus());
}
public static class StatefulItemReader implements ItemReader<String> {
private List<String> list;
@BeforeStep
public void initializeState(StepExecution stepExecution) {
this.list = new ArrayList<String>();
}
@AfterStep
public ExitStatus exploitState(StepExecution stepExecution) {
System.out.println("******************************");
System.out.println(" READING RESULTS : " + list.size());
return stepExecution.getExitStatus();
}
@Override
public String read() throws Exception {
this.list.add("some stateful reading information");
if (list.size() < 10) {
return "value " + list.size();
}
return null;
}
}
@Configuration
@EnableBatchProcessing
public static class TestConfig {
@Autowired
private JobBuilderFactory jobBuilder;
@Autowired
private StepBuilderFactory stepBuilder;
@Bean
JobLauncherTestUtils jobLauncherTestUtils() {
return new JobLauncherTestUtils();
}
@Bean
public DataSource dataSource() {
EmbeddedDatabaseBuilder embeddedDatabaseBuilder = new EmbeddedDatabaseBuilder();
return embeddedDatabaseBuilder.addScript("classpath:org/springframework/batch/core/schema-drop-hsqldb.sql")
.addScript("classpath:org/springframework/batch/core/schema-hsqldb.sql")
.setType(EmbeddedDatabaseType.HSQL)
.build();
}
@Bean
public Job jobUnderTest() {
return jobBuilder.get("job-under-test")
.start(stepUnderTest())
.build();
}
@Bean
public Step stepUnderTest() {
return stepBuilder.get("step-under-test")
.<String, String>chunk(1)
.reader(reader())
.processor(processor())
.writer(writer())
.build();
}
@Bean
@StepScope
public StatefulItemReader reader() {
return new StatefulItemReader();
}
@Bean
public ItemProcessor<String, String> processor() {
return new ItemProcessor<String, String>() {
@Override
public String process(String item) throws Exception {
return item;
}
};
}
@Bean
public ItemWriter<String> writer() {
return new ItemWriter<String>() {
@Override
public void write(List<? extends String> items)
throws Exception {
}
};
}
}
}