/*
* Copyright 2002-2007 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.web.context.request;
import javax.servlet.ServletRequestEvent;
import junit.framework.TestCase;
import org.springframework.core.task.MockRunnable;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockServletContext;
/**
* @author Juergen Hoeller
*/
public class RequestContextListenerTests extends TestCase {
public void testRequestContextListenerWithSameThread() {
RequestContextListener listener = new RequestContextListener();
MockServletContext context = new MockServletContext();
MockHttpServletRequest request = new MockHttpServletRequest(context);
request.setAttribute("test", "value");
assertNull(RequestContextHolder.getRequestAttributes());
listener.requestInitialized(new ServletRequestEvent(context, request));
assertNotNull(RequestContextHolder.getRequestAttributes());
assertEquals("value",
RequestContextHolder.getRequestAttributes().getAttribute("test", RequestAttributes.SCOPE_REQUEST));
MockRunnable runnable = new MockRunnable();
RequestContextHolder.getRequestAttributes().registerDestructionCallback(
"test", runnable, RequestAttributes.SCOPE_REQUEST);
listener.requestDestroyed(new ServletRequestEvent(context, request));
assertNull(RequestContextHolder.getRequestAttributes());
assertTrue(runnable.wasExecuted());
}
public void testRequestContextListenerWithSameThreadAndAttributesGone() {
RequestContextListener listener = new RequestContextListener();
MockServletContext context = new MockServletContext();
MockHttpServletRequest request = new MockHttpServletRequest(context);
request.setAttribute("test", "value");
assertNull(RequestContextHolder.getRequestAttributes());
listener.requestInitialized(new ServletRequestEvent(context, request));
assertNotNull(RequestContextHolder.getRequestAttributes());
assertEquals("value",
RequestContextHolder.getRequestAttributes().getAttribute("test", RequestAttributes.SCOPE_REQUEST));
MockRunnable runnable = new MockRunnable();
RequestContextHolder.getRequestAttributes().registerDestructionCallback(
"test", runnable, RequestAttributes.SCOPE_REQUEST);
request.clearAttributes();
listener.requestDestroyed(new ServletRequestEvent(context, request));
assertNull(RequestContextHolder.getRequestAttributes());
assertTrue(runnable.wasExecuted());
}
public void testRequestContextListenerWithDifferentThread() {
final RequestContextListener listener = new RequestContextListener();
final MockServletContext context = new MockServletContext();
final MockHttpServletRequest request = new MockHttpServletRequest(context);
request.setAttribute("test", "value");
assertNull(RequestContextHolder.getRequestAttributes());
listener.requestInitialized(new ServletRequestEvent(context, request));
assertNotNull(RequestContextHolder.getRequestAttributes());
assertEquals("value",
RequestContextHolder.getRequestAttributes().getAttribute("test", RequestAttributes.SCOPE_REQUEST));
MockRunnable runnable = new MockRunnable();
RequestContextHolder.getRequestAttributes().registerDestructionCallback(
"test", runnable, RequestAttributes.SCOPE_REQUEST);
// Execute requestDestroyed callback in different thread.
Thread thread = new Thread() {
public void run() {
listener.requestDestroyed(new ServletRequestEvent(context, request));
}
};
thread.start();
try {
thread.join();
}
catch (InterruptedException ex) {
}
// Still bound to original thread, but at least completed.
assertNotNull(RequestContextHolder.getRequestAttributes());
assertTrue(runnable.wasExecuted());
// Check that a repeated execution in the same thread works and performs cleanup.
listener.requestInitialized(new ServletRequestEvent(context, request));
listener.requestDestroyed(new ServletRequestEvent(context, request));
assertNull(RequestContextHolder.getRequestAttributes());
}
}