| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintStream; |
| import java.util.concurrent.CyclicBarrier; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import javax.xml.XMLConstants; |
| import org.testng.Assert; |
| |
| /* |
| * This class helps to test suppression of unsupported parser properties |
| * messages printed to standard error output. |
| * It launches THREADS_COUNT tasks. Each task does ITERATIONS_PER_THREAD |
| * sequential calls to doOneIteration method implemented by specific test class. |
| */ |
| public abstract class WarningsTestBase { |
| |
| /* |
| * Abstract method that should be implemented by test class. |
| * It is repeatedly called by each TestWorker task. |
| */ |
| abstract void doOneTestIteration() throws Exception; |
| |
| /* |
| * Launches parallel test tasks and check the output for the number of |
| * generated warning messages. There should be no more than one message of |
| * each type. |
| */ |
| void startTest() throws Exception { |
| //Save standard error stream |
| PrintStream defStdErr = System.err; |
| //Set new byte array stream as standard error stream |
| ByteArrayOutputStream byteStream = new ByteArrayOutputStream(5000); |
| System.setErr(new PrintStream(byteStream)); |
| //Execute multiple TestWorker tasks |
| for (int id = 0; id < THREADS_COUNT; id++) { |
| EXECUTOR.execute(new TestWorker(id)); |
| } |
| //Initiate shutdown of previously submitted task |
| EXECUTOR.shutdown(); |
| //Wait for termination of submitted tasks |
| if (!EXECUTOR.awaitTermination(THREADS_COUNT, TimeUnit.SECONDS)) { |
| //If not all tasks terminates during the time out force them to shutdown |
| EXECUTOR.shutdownNow(); |
| } |
| //Restore default standard error stream |
| System.setErr(defStdErr); |
| //Print tasks stderr output |
| String errContent = byteStream.toString(); |
| System.out.println("Standard error output content:"); |
| System.out.println(errContent); |
| //Check tasks stderr output for quatity of warning messages |
| Assert.assertTrue(warningPrintedOnce(XMLConstants.ACCESS_EXTERNAL_DTD, errContent)); |
| Assert.assertTrue(warningPrintedOnce(ENT_EXP_PROPERTY, errContent)); |
| Assert.assertTrue(warningPrintedOnce(XMLConstants.FEATURE_SECURE_PROCESSING, errContent)); |
| } |
| |
| // Count occurences of warning messages in standard error and check if warning is printed |
| // not more than once |
| private boolean warningPrintedOnce(String propertyName, String testOutput) { |
| //Count for property name in test output |
| Pattern p = Pattern.compile(propertyName); |
| Matcher m = p.matcher(testOutput); |
| int count = 0; |
| while (m.find()) { |
| count += 1; |
| } |
| System.out.println("'" + propertyName + "' print count: " + count); |
| //If count is more than 1 then consider test failed |
| return count <= 1; |
| } |
| |
| //TestWorker task that sequentially calls test method |
| private class TestWorker implements Runnable { |
| // Task id |
| private final int id; |
| |
| TestWorker(int id) { |
| this.id = id; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| System.out.printf("%d: waiting for barrier%n", id); |
| //Synchronize startup of all tasks |
| BARRIER.await(); |
| System.out.printf("%d: starting iterations%n", id); |
| //Call test method multiple times |
| for (int i = 0; i < ITERATIONS_PER_THREAD; i++) { |
| doOneTestIteration(); |
| } |
| } catch (Exception ex) { |
| throw new RuntimeException("TestWorker id:" + id + " failed", ex); |
| } |
| } |
| } |
| |
| //Entity expansion limit property name |
| private static final String ENT_EXP_PROPERTY = "http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit"; |
| //Number of simultaneous test threads |
| private static final int THREADS_COUNT = 10; |
| //Number of iterations per one thread |
| private static final int ITERATIONS_PER_THREAD = 4; |
| //Test thread pool |
| private static final ExecutorService EXECUTOR = Executors.newCachedThreadPool(); |
| //Cyclic barrier for threads startup synchronisation |
| private static final CyclicBarrier BARRIER = new CyclicBarrier(THREADS_COUNT); |
| } |