/*
* Copyright 2012-2013 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.core.job.builder;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobInterruptedException;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.UnexpectedJobExecutionException;
import org.springframework.batch.core.job.flow.Flow;
import org.springframework.batch.core.job.flow.FlowExecutionStatus;
import org.springframework.batch.core.job.flow.JobExecutionDecider;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean;
import org.springframework.batch.core.step.StepSupport;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
/**
* @author Dave Syer
*
*/
public class FlowJobBuilderTests {
private JobRepository jobRepository;
private JobExecution execution;
private StepSupport step1 = new StepSupport("step1") {
@Override
public void execute(StepExecution stepExecution) throws JobInterruptedException,
UnexpectedJobExecutionException {
stepExecution.upgradeStatus(BatchStatus.COMPLETED);
stepExecution.setExitStatus(ExitStatus.COMPLETED);
jobRepository.update(stepExecution);
}
};
private StepSupport fails = new StepSupport("fails") {
@Override
public void execute(StepExecution stepExecution) throws JobInterruptedException,
UnexpectedJobExecutionException {
stepExecution.upgradeStatus(BatchStatus.FAILED);
stepExecution.setExitStatus(ExitStatus.FAILED);
jobRepository.update(stepExecution);
}
};
private StepSupport step2 = new StepSupport("step2") {
@Override
public void execute(StepExecution stepExecution) throws JobInterruptedException,
UnexpectedJobExecutionException {
stepExecution.upgradeStatus(BatchStatus.COMPLETED);
stepExecution.setExitStatus(ExitStatus.COMPLETED);
jobRepository.update(stepExecution);
}
};
private StepSupport step3 = new StepSupport("step3") {
@Override
public void execute(StepExecution stepExecution) throws JobInterruptedException,
UnexpectedJobExecutionException {
stepExecution.upgradeStatus(BatchStatus.COMPLETED);
stepExecution.setExitStatus(ExitStatus.COMPLETED);
jobRepository.update(stepExecution);
}
};
@Before
public void init() throws Exception {
jobRepository = new MapJobRepositoryFactoryBean().getObject();
execution = jobRepository.createJobExecution("flow", new JobParameters());
}
@Test
public void testBuildOnOneLine() throws Exception {
FlowJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1).on("COMPLETED")
.to(step2).end().preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildSingleFlow() throws Exception {
Flow flow = new FlowBuilder<Flow>("subflow").from(step1).next(step2).build();
FlowJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(flow).end().preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildOverTwoLines() throws Exception {
FlowJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1).on("COMPLETED")
.to(step2).end();
builder.preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildSubflow() throws Exception {
Flow flow = new FlowBuilder<Flow>("subflow").from(step1).end();
JobFlowBuilder builder = new JobBuilder("flow").repository(jobRepository).start(flow);
builder.on("COMPLETED").to(step2);
builder.end().preventRestart().build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildSplit() throws Exception {
Flow flow = new FlowBuilder<Flow>("subflow").from(step1).end();
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step2);
builder.split(new SimpleAsyncTaskExecutor()).add(flow).end();
builder.preventRestart().build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildDecision() throws Exception {
JobExecutionDecider decider = new JobExecutionDecider() {
private int count = 0;
@Override
public FlowExecutionStatus decide(JobExecution jobExecution, StepExecution stepExecution) {
count++;
return count<2 ? new FlowExecutionStatus("ONGOING") : FlowExecutionStatus.COMPLETED;
}
};
step1.setAllowStartIfComplete(true);
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1);
builder.next(decider).on("COMPLETED").end().from(decider).on("*").to(step1).end();
builder.preventRestart().build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildWithIntermediateSimpleJob() throws Exception {
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1);
builder.on("COMPLETED").to(step2).end();
builder.preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildWithIntermediateSimpleJobTwoSteps() throws Exception {
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1).next(step2);
builder.on("FAILED").to(step3).end();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(2, execution.getStepExecutions().size());
}
@Test
public void testBuildWithCustomEndState() throws Exception {
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1);
builder.on("COMPLETED").end("FOO");
builder.preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals("FOO", execution.getExitStatus().getExitCode());
assertEquals(1, execution.getStepExecutions().size());
}
@Test
public void testBuildWithStop() throws Exception {
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(step1);
builder.on("COMPLETED").stop();
builder.preventRestart();
builder.build().execute(execution);
assertEquals(BatchStatus.STOPPED, execution.getStatus());
assertEquals("STOPPED", execution.getExitStatus().getExitCode());
assertEquals(1, execution.getStepExecutions().size());
}
@Test
public void testBuildWithStopAndRestart() throws Exception {
SimpleJobBuilder builder = new JobBuilder("flow").repository(jobRepository).start(fails);
builder.on("FAILED").stopAndRestart(step2);
Job job = builder.build();
job.execute(execution);
assertEquals(BatchStatus.STOPPED, execution.getStatus());
assertEquals(1, execution.getStepExecutions().size());
execution = jobRepository.createJobExecution("flow", new JobParameters());
job.execute(execution);
assertEquals(BatchStatus.COMPLETED, execution.getStatus());
assertEquals(1, execution.getStepExecutions().size());
assertEquals("step2", execution.getStepExecutions().iterator().next().getStepName());
}
}