/*
* Copyright 2008-2017 by Emeric Vernat
*
* This file is part of Java Melody.
*
* 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 net.bull.javamelody;
import static org.easymock.EasyMock.createNiceMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.easymock.EasyMock;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Test unitaire de la classe CustomResourceFilter.
* @author Emeric Vernat
*/
public class TestCustomResourceFilter {
private static final String MONITORING_CSS = "monitoring.css";
private static final Map<String, String> CUSTOM_RESOURCES = Collections
.singletonMap(MONITORING_CSS, "customMonitoring.css");
private FilterConfig config;
private CustomResourceFilter customResourceFilter;
/**
* Initialisation.
*/
@Before
public void setUp() {
init(false);
}
private void init(boolean useForward) {
Utils.initialize();
config = createNiceMock(FilterConfig.class);
final List<String> initParameterNames = new ArrayList<String>();
initParameterNames.add(MONITORING_CSS);
if (useForward) {
initParameterNames.add("useForward");
}
expect(config.getInitParameterNames())
.andReturn(Collections.enumeration(initParameterNames));
for (final Map.Entry<String, String> entry : CUSTOM_RESOURCES.entrySet()) {
expect(config.getInitParameter(entry.getKey())).andReturn(entry.getValue());
}
if (useForward) {
expect(config.getInitParameter("useForward")).andReturn("true").anyTimes();
}
final ServletContext context = createNiceMock(ServletContext.class);
replay(context);
Parameters.initialize(context);
expect(config.getServletContext()).andReturn(context).anyTimes();
customResourceFilter = new CustomResourceFilter();
}
/**
* Finalisation.
*/
@After
public void tearDown() {
if (customResourceFilter != null) {
customResourceFilter.destroy();
}
}
/**
* testRessource.
* @throws IOException e
* @throws ServletException e
*/
@Test
public void testCustomResource() throws IOException, ServletException {
doTestResource(MONITORING_CSS);
}
/**
* testCustomResourceUsingForward.
* @throws IOException e
* @throws ServletException e
*/
@Test
public void testCustomResourceUsingForward() throws IOException, ServletException {
init(true);
doTestResource(MONITORING_CSS, true);
}
/**
* testRessource.
* @throws IOException e
* @throws ServletException e
*/
@Test
public void testResource() throws IOException, ServletException {
doTestResource("alert.png");
}
/**
* testRessource.
* @throws IOException e
* @throws ServletException e
*/
@Test
public void testNoResource() throws IOException, ServletException {
doTestResource(null);
}
private void doTestResource(String resource) throws IOException, ServletException {
doTestResource(resource, false);
}
private void doTestResource(String resource, boolean useForward)
throws IOException, ServletException {
final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
final RequestDispatcher requestDispatcher = createNiceMock(RequestDispatcher.class);
final HttpServletResponse response = createNiceMock(HttpServletResponse.class);
final FilterChain chain = createNiceMock(FilterChain.class);
expect(request.getParameter("resource")).andReturn(resource);
if (CUSTOM_RESOURCES.get(resource) != null) {
expect(request.getRequestDispatcher(CUSTOM_RESOURCES.get(resource)))
.andReturn(requestDispatcher);
if (useForward) {
requestDispatcher.forward(request, response);
} else {
requestDispatcher.include(request, response);
}
EasyMock.expectLastCall().once();
}
replay(config);
replay(request);
replay(response);
replay(chain);
replay(requestDispatcher);
customResourceFilter.init(config);
customResourceFilter.doFilter(request, response, chain);
verify(config);
verify(request);
verify(response);
verify(chain);
verify(requestDispatcher);
}
}