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/*
* 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.struts2.junit;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionProxy;
import com.opensymphony.xwork2.ActionProxyFactory;
import com.opensymphony.xwork2.config.Configuration;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.dispatcher.Dispatcher;
import org.apache.struts2.dispatcher.HttpParameters;
import org.apache.struts2.dispatcher.mapper.ActionMapping;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockPageContext;
import org.springframework.mock.web.MockServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import static org.junit.Assert.assertNotNull;
public class StrutsRestTestCase extends StrutsJUnit4TestCase {
/**
* Executes an action and returns it's output (not the result returned from
* execute()), but the actual output that would be written to the response.
* For this to work the configured result for the action needs to be JSON,
* FreeMarker, or Velocity (JSPs can be used with the Embedded JSP plugin)
*
* @param uri action uri to test
* @return execution result
* @throws ServletException in case of servlet errors
* @throws UnsupportedEncodingException in case of unsupported encoding
*/
@Override
protected String executeAction(String uri) throws ServletException, UnsupportedEncodingException {
return executeAction("GET", uri);
}
/**
* Executes an action and returns it's output (not the result returned from
* execute()), but the actual output that would be written to the response.
* For this to work the configured result for the action needs to be JSON,
* FreeMarker, or Velocity (JSPs can be used with the Embedded JSP plugin)
*
* @param httpMethod HTTP method of request like GET, POST, PUT or DELETE
* @param uri action uri to test
* @return execution result
* @throws ServletException in case of servlet errors
* @throws UnsupportedEncodingException in case of unsupported encoding
*/
protected String executeAction(String httpMethod, String uri) throws ServletException, UnsupportedEncodingException {
request.setRequestURI(uri);
request.setMethod(httpMethod);
ActionMapping mapping = getActionMapping(request);
assertNotNull(mapping);
Dispatcher.getInstance().serviceAction(request, response, mapping);
if (response.getStatus() != HttpServletResponse.SC_OK)
throw new ServletException("Error code [" + response.getStatus() + "], Error: ["
+ response.getErrorMessage() + "]");
return response.getContentAsString();
}
/**
* Creates an action proxy for a request, and sets parameters of the ActionInvocation to the passed
* parameters. Make sure to set the request parameters in the protected "request" object before calling this method.
*
* @param uri request uri to test
* @return action proxy found for this request uri
*/
@Override
protected ActionProxy getActionProxy(String uri) {
return getActionProxy("GET", uri);
}
/**
* Creates an action proxy for a request, and sets parameters of the ActionInvocation to the passed
* parameters. Make sure to set the request parameters in the protected "request" object before calling this method.
*
* @param httpMethod HTTP method of request like GET, POST, PUT or DELETE
* @param uri request uri to test
* @return action proxy found for this request uri
*/
protected ActionProxy getActionProxy(String httpMethod, String uri) {
request.setRequestURI(uri);
request.setMethod(httpMethod);
ActionMapping mapping = getActionMapping(request);
String namespace = mapping.getNamespace();
String name = mapping.getName();
String method = mapping.getMethod();
Configuration config = configurationManager.getConfiguration();
ActionProxy proxy = config.getContainer()
.getInstance(ActionProxyFactory.class)
.createActionProxy(namespace, name, method, new HashMap<>(), true, false);
ActionContext invocationContext = proxy.getInvocation().getInvocationContext();
invocationContext.getContextMap().put(ServletActionContext.ACTION_MAPPING, mapping);
invocationContext.withParameters(HttpParameters.create(request.getParameterMap()).build());
// set the action context to the one used by the proxy
ActionContext.bind(invocationContext);
// this is normally done in onSetUp(), but we are using Struts internal
// objects (proxy and action invocation)
// so we have to hack around so it works
ServletActionContext.setServletContext(servletContext);
ServletActionContext.setRequest(request);
ServletActionContext.setResponse(response);
return proxy;
}
@Override
protected void initServletMockObjects() {
servletContext = new MockServletContext(resourceLoader);
response = new MockHttpServletResponse();
request = new MockHttpServletRequest();
pageContext = new MockPageContext(servletContext, request, response);
resourceLoader = new ConventionPluginResourceLoader();
}
}
