/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.ajax;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.wicket.Component;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.MockPageWithLinkAndComponent;
import org.apache.wicket.WicketTestCase;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.event.IEvent;
import org.apache.wicket.markup.IMarkupResourceStreamProvider;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.util.resource.IResourceStream;
import org.apache.wicket.util.resource.StringResourceStream;
import org.apache.wicket.util.tester.DiffUtil;
import org.apache.wicket.util.time.Time;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Test the {@link AjaxRequestHandler}.
*
* @author Frank Bille
*/
public class AjaxRequestHandlerTest extends WicketTestCase
{
private static final Logger log = LoggerFactory.getLogger(AjaxRequestHandlerTest.class);
/**
* Test that a normal <style> header contribution is added correctly.
*
* @throws IOException
*/
@Test
public void headerContribution1() throws IOException
{
executeHeaderTest(MockComponent1.class, "MockComponent1-expected.html");
}
/**
* Test that if there are no headers contributed in any components added to the response, we
* then don't add <header-contribution> at all.
*
* @throws IOException
*/
@Test
public void jeaderContribution2() throws IOException
{
executeHeaderTest(MockComponent2.class);
}
/**
* Test that a link with a wicket:id is added correctly.
*
* @throws IOException
*/
@Test
public void headerContribution3() throws IOException
{
executeHeaderTest(MockComponent3.class, "MockComponent3-expected.html");
}
private <C extends Component> void executeHeaderTest(final Class<C> componentClass)
throws IOException
{
executeHeaderTest(componentClass, null);
}
private <C extends Component> void executeHeaderTest(final Class<C> componentClass,
String expectedFile) throws IOException
{
final MockPageWithLinkAndComponent page = new MockPageWithLinkAndComponent();
page.add(new WebComponent(MockPageWithLinkAndComponent.COMPONENT_ID).setOutputMarkupId(true));
page.add(new AjaxLink<Void>(MockPageWithLinkAndComponent.LINK_ID)
{
private static final long serialVersionUID = 1L;
@Override
public void onClick(AjaxRequestTarget target)
{
// Create an instance of the component
try
{
Constructor<? extends Component> con = componentClass.getConstructor(new Class[] { String.class });
Component comp = con.newInstance(MockPageWithLinkAndComponent.COMPONENT_ID);
page.replace(comp);
comp.setOutputMarkupId(true);
target.add(comp);
}
catch (Exception e)
{
log.error(e.getMessage(), e);
}
}
});
tester.startPage(page);
// System.out.println(tester.getServletResponse().getDocument());
tester.debugComponentTrees();
tester.clickLink(MockPageWithLinkAndComponent.LINK_ID);
String document = tester.getLastResponseAsString();
String headerContribution = null;
Pattern pat = Pattern.compile(".*<header-contribution.*?>(.*?)</header-contribution>.*",
Pattern.DOTALL);
Matcher mat = pat.matcher(document);
if (mat.matches())
{
headerContribution = mat.group(1);
}
// If the filename is empty we use it to say that the headerContribution
// should be empty.
// This means that it doesn't exist at all
if (expectedFile == null)
{
assertNull("There was a header contribution on the response " +
"(though we didn't expect one): <" + headerContribution + ">", headerContribution);
}
else if (headerContribution == null)
{
fail("Failed to find header contribution: \n" + document);
}
else
{
DiffUtil.validatePage(headerContribution, getClass(), expectedFile, true);
}
}
/**
* WICKET-2328
*/
@Test
public void renderMyPage()
{
// start and render the test page
tester.startPage(HomePage2.class);
// assert rendered page class
tester.assertRenderedPage(HomePage2.class);
// assert rendered label component
tester.assertLabel("msg", "onBeforeRender called");
// click the ajax link; this should have no effect
tester.clickLink("link");
// assert rendered label component again to make sure
// THIS FAILS! even though the same sequence of clicks
// done in a browser does not cause the label to change
tester.assertLabel("msg", "onBeforeRender called");
}
/**
* WICKET-2543
*/
@Test
public void varargsAddComponent()
{
tester.startPage(VarargsAddComponentPage.class);
for (int i = 0; i < VarargsAddComponentPage.NUMBER_OF_LABELS; i++)
{
final String labelMarkupId = "label" + i;
final String expectedContent = String.format(VarargsAddComponentPage.INITIAL_CONTENT, i);
tester.assertLabel(labelMarkupId, expectedContent);
}
tester.clickLink("link");
for (int i = 0; i < VarargsAddComponentPage.NUMBER_OF_LABELS; i++)
{
final String labelMarkupId = "label" + i;
final String expectedContent = String.format(VarargsAddComponentPage.INITIAL_CONTENT, i) +
VarargsAddComponentPage.AJAX_APPENDED_SUFFIX;
tester.assertLabel(labelMarkupId, expectedContent);
}
}
/**
* Testing the default event raised whenever Wicket begins to create an AJAX response
*/
@Test
public void defaultEventRaisedOnAjaxResponse()
{
tester.startPage(TestEventPage.class);
tester.clickLink(MockPageWithLinkAndComponent.LINK_ID, true);
TestEventPage page = (TestEventPage)tester.getLastRenderedPage();
assertTrue(page.defaultEventRaised);
}
/**
* @see <a href="https://issues.apache.org/jira/browse/WICKET-3263">WICKET-3263</a>
*/
@Test
public void globalAjaxRequestTargetListeners()
{
final ValidatingAjaxRequestTargetListener listener = new ValidatingAjaxRequestTargetListener();
tester.getApplication().getAjaxRequestTargetListeners().add(listener);
tester.startPage(TestEventPage.class);
tester.clickLink(MockPageWithLinkAndComponent.LINK_ID, true);
assertTrue(listener.onBeforeRespondExecuted);
assertTrue(listener.onAfterRespondExecuted);
}
/**
* https://issues.apache.org/jira/browse/WICKET-3921
*/
@Test
public void ajaxRedirectSetsNoCachingHeaders()
{
tester.startPage(new Wicket3921());
tester.clickLink("updatePage");
assertEquals(Time.START_OF_UNIX_TIME.toRfc1123TimestampString(), tester.getLastResponse()
.getHeader("Expires"));
assertEquals("no-cache", tester.getLastResponse().getHeader("Pragma"));
assertEquals("no-cache, no-store", tester.getLastResponse().getHeader("Cache-Control"));
tester.clickLink("updateComponent");
assertEquals(Time.START_OF_UNIX_TIME.toRfc1123TimestampString(), tester.getLastResponse()
.getHeader("Expires"));
assertEquals("no-cache", tester.getLastResponse().getHeader("Pragma"));
assertEquals("no-cache, no-store", tester.getLastResponse().getHeader("Cache-Control"));
}
/**
* Test page for {@linkplain AjaxRequestHandlerTest#ajaxRedirectSetsNoCachingHeaders()}
*/
private static class Wicket3921 extends WebPage implements IMarkupResourceStreamProvider
{
/**
* Construct.
*/
private Wicket3921()
{
setOutputMarkupId(true);
add(new AjaxLink<Void>("updatePage")
{
@Override
public void onClick(AjaxRequestTarget target)
{
// adding the page to the target will produce a wicket ajax redirect
// without any cache headers
target.add(getPage());
}
});
add(new AjaxLink<Void>("updateComponent")
{
@Override
public void onClick(AjaxRequestTarget target)
{
// this produces an ajax response with cache headers set properly
target.add(this);
}
}.setOutputMarkupId(true));
}
@Override
public IResourceStream getMarkupResourceStream(MarkupContainer container,
Class<?> containerClass)
{
return new StringResourceStream(
"<html><body><a wicket:id='updatePage'>link1</a><br/><br/><br/><a wicket:id='updateComponent'>Link2</a></body></html>");
}
}
private static class ValidatingAjaxRequestTargetListener extends AjaxRequestTarget.AbstractListener
{
boolean onBeforeRespondExecuted = false;
boolean onAfterRespondExecuted = false;
@Override
public void onBeforeRespond(Map<String, Component> map, AjaxRequestTarget target)
{
onBeforeRespondExecuted = true;
}
@Override
public void onAfterRespond(Map<String, Component> map,
AjaxRequestTarget.IJavaScriptResponse response)
{
onAfterRespondExecuted = true;
}
}
/**
*/
public static class TestEventPage extends MockPageWithLinkAndComponent
{
private static final long serialVersionUID = 1L;
boolean defaultEventRaised = false;
/**
*/
public TestEventPage()
{
add(new AjaxLink<Void>(LINK_ID)
{
private static final long serialVersionUID = 1L;
@Override
public void onClick(AjaxRequestTarget target)
{
}
});
add(new WebComponent(COMPONENT_ID)
{
private static final long serialVersionUID = 1L;
@Override
public void onEvent(IEvent<?> event)
{
if (event.getPayload() instanceof AjaxRequestTarget)
{
defaultEventRaised = true;
}
}
});
}
}
}