DefaultWireAdapterTest.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package org.glassfish.contextpropagation.wireadapters.glassfish;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Map;

import mockit.Deencapsulation;

import org.glassfish.contextpropagation.ContextMap;
import org.glassfish.contextpropagation.InsufficientCredentialException;
import org.glassfish.contextpropagation.PropagationMode;
import org.glassfish.contextpropagation.SerializableContextFactory;
import org.glassfish.contextpropagation.adaptors.BootstrapUtils;
import org.glassfish.contextpropagation.adaptors.MockLoggerAdapter;
import org.glassfish.contextpropagation.adaptors.TestableThread;
import org.glassfish.contextpropagation.internal.Utils;
import org.glassfish.contextpropagation.spi.ContextMapHelper;
import org.glassfish.contextpropagation.spi.ContextMapPropagator;
import org.glassfish.contextpropagation.weblogic.workarea.PropagationTest;
import org.glassfish.contextpropagation.weblogic.workarea.PropertyReadOnlyException;
import org.glassfish.contextpropagation.wireadapters.AbstractWireAdapter;
import org.glassfish.contextpropagation.wireadapters.Catalog;
import org.glassfish.contextpropagation.wireadapters.WireAdapter;
import org.glassfish.contextpropagation.wireadapters.glassfish.DefaultWireAdapter;
import org.glassfish.contextpropagation.wireadapters.wls.MyWLSContext;
import org.glassfish.contextpropagation.wireadapters.wls.WLSWireAdapter;
import org.junit.Before;
import org.junit.Test;

public class DefaultWireAdapterTest {
  ContextMap wcMap;

  @Before
  public void setup() throws InsufficientCredentialException {
    BootstrapUtils.reset();
    BootstrapUtils.bootstrap(new DefaultWireAdapter());
    BootstrapUtils.populateMap();
    wcMap = ContextMapHelper.getScopeAwareContextMap();
  }

  @Test
  public void testWrite() throws IOException, InterruptedException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ContextMapHelper.getScopeAwarePropagator().sendRequest(out, PropagationMode.RMI);
    byte[] bytes = out.toByteArray();
    MockLoggerAdapter.debug("length: " + bytes.length + ", "  + Utils.toString(bytes));

    // Move to its own test
    final ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    new TestableThread() {
      @Override public void runTest() throws Exception {
          ContextMap map = ContextMapHelper.getScopeAwareContextMap();
          assertNull(map.get("one"));
          ContextMapHelper.getScopeAwarePropagator().receiveRequest(bais);
          assertNotNull(map.get("one"));
      }
    }.startJoinAndCheckForFailures();
  }
  
  @Test
  public void testPropagateOpaque() throws PropertyReadOnlyException, IOException, InsufficientCredentialException {
    BootstrapUtils.reset();
    WireAdapter adapter = new WLSWireAdapter();
    BootstrapUtils.bootstrap(adapter);
    // Receive data using WLS adaptor but lacking the necessary factory to instantiate the opaque. Make sure the object is opaque
    PropagationTest.setup();
    byte[] bytes = PropagationTest.serialize();
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    registerWorkContextFactory();
    ContextMapPropagator propagator = Utils.getScopeAwarePropagator();
    propagator.useWireAdapter(adapter);
    propagator.receiveRequest(bais);
    ContextMap cm = Utils.getScopeAwareContextMap();
    assertNotNull(cm.get("workcontext"));
    
    // Propagate and receive using Default adaptors, but this time the factory is available. Make sure the object is properly instantiated.
    // Propagate to a process where there is no factory for workcontext
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    propagator = Utils.getScopeAwarePropagator();
    adapter = new DefaultWireAdapter();
    propagator.useWireAdapter(adapter);
    propagator.sendRequest(baos, PropagationMode.RMI);
    
    // Receive on a process where the factory is not registered
    Map<String, SerializableContextFactory> contextFactoriesByContextName = 
        Deencapsulation.getField(WireAdapter.HELPER, "contextFactoriesByContextName");
    contextFactoriesByContextName.remove("workcontext");
    BootstrapUtils.reset();
    adapter = new DefaultWireAdapter();
    BootstrapUtils.bootstrap(adapter);
    bytes = baos.toByteArray();
    bais = new ByteArrayInputStream(bytes);
    propagator.useWireAdapter(adapter);
    propagator.receiveRequest(bais);
    assertNotNull(cm.get("workcontext"));
    // Then propagate again to a process where the library is registered
    baos = new ByteArrayOutputStream();
    propagator = Utils.getScopeAwarePropagator();
    adapter = new DefaultWireAdapter();
    propagator.useWireAdapter(adapter);
    propagator.sendRequest(baos, PropagationMode.RMI);
    BootstrapUtils.reset();
    adapter = new DefaultWireAdapter();
    BootstrapUtils.bootstrap(adapter);
    bytes = baos.toByteArray();
    bais = new ByteArrayInputStream(bytes);
    propagator.useWireAdapter(adapter);
    registerWorkContextFactory();
    propagator.receiveRequest(bais);
    MyWLSContext mwc = cm.get("workcontext");
    assertNotNull(mwc);
    assertEquals((long) 200, (long) mwc.l);
  }

  private void registerWorkContextFactory() {
    WireAdapter.HELPER.registerContextFactoryForContextNamed("workcontext", null, 
        new SerializableContextFactory() {
          @Override
          public WLSContext createInstance() {
            return new MyWLSContext();
          }
    });
  }
  
  @Test public void testWithCatalog() throws PropertyReadOnlyException, IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ContextMapPropagator propagator = Utils.getScopeAwarePropagator();
    WireAdapter adapter = new DefaultWireAdapter();
    propagator.useWireAdapter(adapter);
    propagator.sendRequest(baos, PropagationMode.RMI);
    Catalog catalog = Deencapsulation.getField((AbstractWireAdapter) adapter, "catalog");
    BootstrapUtils.reset();
    adapter = new DefaultWireAdapter();
    BootstrapUtils.bootstrap(adapter);
    byte[] bytes = baos.toByteArray();
    MockLoggerAdapter.debug(Utils.toString(bytes));
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    propagator.useWireAdapter(adapter);
    propagator.receiveRequest(bais);
    Catalog newCatalog = Deencapsulation.getField(adapter, "catalog");
    assertEquals(catalog, newCatalog);
  }
  
  @Test public void testObjectInputStream() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.write("Some data".getBytes());
    oos.flush();
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ObjectInputStream ois = new ObjectInputStream(bais);
    assertFalse(ois.markSupported());
  }

}