// Copyright 2005 The Apache Software Foundation
//
// 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.apache.tapestry.error;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.test.HiveMindTestCase;
import org.apache.tapestry.IPage;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.error.ExceptionPresenterImpl;
import org.apache.tapestry.html.BasePage;
import org.apache.tapestry.services.ResponseRenderer;
import org.apache.tapestry.test.Creator;
import org.easymock.MockControl;
/**
* Tests for {@link org.apache.tapestry.error.ExceptionPresenterImpl}.
*
* @author Howard M. Lewis Ship
* @since 4.0
*/
public class TestExceptionPresenter extends HiveMindTestCase
{
public abstract static class ExceptionFixture extends BasePage
{
public abstract void setException(Throwable exception);
}
private IPage newPage()
{
Creator c = new Creator();
return (IPage) c.newInstance(ExceptionFixture.class);
}
private IRequestCycle newCycle(String pageName, IPage page)
{
MockControl control = newControl(IRequestCycle.class);
IRequestCycle cycle = (IRequestCycle) control.getMock();
cycle.getPage(pageName);
control.setReturnValue(page);
return cycle;
}
private ResponseRenderer newRenderer(IRequestCycle cycle, Throwable throwable) throws Exception
{
MockControl control = newControl(ResponseRenderer.class);
ResponseRenderer renderer = (ResponseRenderer) control.getMock();
renderer.renderResponse(cycle);
if (throwable != null)
control.setThrowable(throwable);
return renderer;
}
private RequestExceptionReporter newReporter()
{
return (RequestExceptionReporter) newMock(RequestExceptionReporter.class);
}
public void testSuccess() throws Exception
{
Throwable cause = new IllegalArgumentException();
IPage page = newPage();
IRequestCycle cycle = newCycle("Exception", page);
ResponseRenderer renderer = newRenderer(cycle, null);
cycle.activate(page);
replayControls();
ExceptionPresenterImpl ep = new ExceptionPresenterImpl();
ep.setExceptionPageName("Exception");
ep.setResponseRenderer(renderer);
ep.presentException(cycle, cause);
verifyControls();
assertSame(cause, page.getProperty("exception"));
}
public void testFailure() throws Exception
{
Throwable cause = new IllegalArgumentException();
Throwable renderCause = new ApplicationRuntimeException("Some failure.");
IPage page = newPage();
IRequestCycle cycle = newCycle("Exception", page);
ResponseRenderer renderer = newRenderer(cycle, renderCause);
RequestExceptionReporter reporter = newReporter();
cycle.activate(page);
reporter.reportRequestException(ErrorMessages.unableToProcessClientRequest(cause), cause);
reporter.reportRequestException(
ErrorMessages.unableToPresentExceptionPage(renderCause),
renderCause);
replayControls();
ExceptionPresenterImpl ep = new ExceptionPresenterImpl();
ep.setExceptionPageName("Exception");
ep.setResponseRenderer(renderer);
ep.setRequestExceptionReporter(reporter);
try
{
ep.presentException(cycle, cause);
unreachable();
}
catch (ApplicationRuntimeException ex)
{
assertSame(renderCause, ex.getRootCause());
}
verifyControls();
assertSame(cause, page.getProperty("exception"));
}
}