Java tutorial
/* * ProActive Parallel Suite(TM): * The Open Source library for parallel and distributed * Workflows & Scheduling, Orchestration, Cloud Automation * and Big Data Analysis on Enterprise Grids & Clouds. * * Copyright (c) 2007 - 2017 ActiveEon * Contact: contact@activeeon.com * * This library is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation: version 3 of * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * If needed, contact us to obtain a release under GPL Version 2 or 3 * or a different license than the AGPL. */ package functionaltests.workflow; import static functionaltests.utils.SchedulerTHelper.log; import java.io.File; import java.net.URISyntaxException; import java.net.URL; import java.util.Collection; import org.apache.commons.io.FileUtils; import org.junit.Assert; import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.rules.TemporaryFolder; import org.ow2.proactive.scheduler.common.job.TaskFlowJob; import org.ow2.proactive.scheduler.common.job.factories.Job2XMLTransformer; import org.ow2.proactive.scheduler.common.job.factories.JobComparator; import org.ow2.proactive.scheduler.common.job.factories.JobFactory; import org.ow2.proactive.scheduler.common.job.factories.StaxJobFactory; import functionaltests.job.multinodes.TestMultipleHostsRequest; /** * This class tests the coherence between the {@link Job2XMLTransformer} and the * {@link StaxJobFactory}. For each job descriptor in the * "/functionaltests/descriptors/" and * "$pa.scheduler.home/samples/workflows/" folders (except if the file descriptor * contains the keyword 'invalid') it creates a {@link TaskFlowJob} object using * the {@link StaxJobFactory}. The java job is then serialized to xml using the * {@link Job2XMLTransformer} and then a new {@link TaskFlowJob} is created. * Both {@link TaskFlowJob} objects are then compared using {@link JobComparator}. * * @author esalagea */ public class TestXMLTransformer { private static URL jobDescriptorsFolder = TestXMLTransformer.class.getResource("/functionaltests/descriptors/"); @Rule public TemporaryFolder folder = new TemporaryFolder(); private static final String executablePathPropertyName = "EXEC_PATH"; private static final String workingDirPropName = "WDIR"; private static final String cmdPropName = "WCOM"; /** * set system properties required by different job descriptors * * @throws URISyntaxException */ private void setProperties() throws URISyntaxException { System.setProperty(executablePathPropertyName, new File(TestMultipleHostsRequest.class .getResource("/functionaltests/executables/test_multiple_hosts_request.sh").toURI()) .getAbsolutePath()); System.setProperty(workingDirPropName, folder.getRoot().getAbsolutePath()); System.setProperty(cmdPropName, "echo"); } @Before public void prepareForTest() throws Exception { setProperties(); } @Test public void testXMLTransformer() throws Throwable { File folder = new File(jobDescriptorsFolder.toURI()); Collection<File> testJobDescrFiles = FileUtils.listFiles(folder, new String[] { "xml" }, true); File samplesJobDescrFiles = new File(System.getProperty("pa.scheduler.home") + File.separator + "samples" + File.separator + "workflows"); log(samplesJobDescrFiles.getAbsolutePath()); Collection<File> samples = FileUtils.listFiles(samplesJobDescrFiles, new String[] { "xml" }, true); samples.addAll(testJobDescrFiles); log("Treating " + samples.size() + " job descriptors."); for (File file : samples) { // skip descriptor files which are there to test invalid job description if (file.getName().contains("invalid")) { continue; } try { transformAndCompare(file); } catch (Exception e) { e.printStackTrace(); throw new Exception("An exception occured while treating the file " + file.getAbsolutePath(), e); } } } /** * The following operations are performed: * * 1. xmlFile to java => job1 * * 2. job1 = > xmlFle2 * * 3. xmlFile2 to java => job2 * * 4. Compare job1 and job2 */ private void transformAndCompare(File xmlFile) throws Exception { // xml to java => job1 TaskFlowJob job1 = (TaskFlowJob) (JobFactory.getFactory().createJob(xmlFile.getAbsolutePath())); // job1 to xmlFile2 File xmlFile2 = folder.newFile(xmlFile.getName()); Job2XMLTransformer transformer = new Job2XMLTransformer(); transformer.job2xmlFile(job1, xmlFile2); // xmlFile2 to job2 TaskFlowJob job2; try { job2 = (TaskFlowJob) (JobFactory.getFactory().createJob(xmlFile2.getAbsolutePath())); } catch (Exception e) { e.printStackTrace(); String message = "Could not create Job object from generated xml. \n"; message += "Generated xml content was : \n ****** " + xmlFile2.getAbsolutePath() + " ***********\n "; message += FileUtils.readFileToString(xmlFile2); message += "\n *************************** "; throw new Exception(message, e); } // compare job1 and job2 JobComparator comparator = new JobComparator(); if (!comparator.isEqualJob(job1, job2)) { String message = "Jobs are not equal for file " + xmlFile + "\n"; message += "Reason: " + comparator.getDifferenceMessage() + "\n"; message += "Generated xml content was : \n ****** " + xmlFile2.getAbsolutePath() + " *********** \n "; message += FileUtils.readFileToString(xmlFile2); message += "\n *************************** "; Assert.fail(message); } } }