/*
    * Copyright 2005-2010 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.ws.soap.server.endpoint.adapter.method;
  
  import java.util.List;
  import javax.xml.namespace.QName;
  
  import org.springframework.core.MethodParameter;
  import org.springframework.ws.context.MessageContext;
  import org.springframework.ws.server.endpoint.adapter.method.AbstractMethodArgumentResolverTestCase;
  import org.springframework.ws.soap.SoapHeaderElement;
  import org.springframework.ws.soap.SoapMessage;
  import org.springframework.ws.soap.server.endpoint.annotation.SoapHeader;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  /**
   * @author Tareq Abedrabbo
   */
  public class SoapHeaderElementMethodArgumentResolverTest extends AbstractMethodArgumentResolverTestCase {
  
      private static final QName HEADER_QNAME = new QName(NAMESPACE_URI, "header");
  
      private static final String HEADER_CONTENT = "content";
  
      private SoapHeaderElementMethodArgumentResolver resolver;
  
      private MessageContext messageContext;
  
      private MethodParameter soapHeaderWithEmptyValue;
  
      private MethodParameter soapHeaderElementParameter;
  
      private MethodParameter soapHeaderElementListParameter;
  
      private MethodParameter soapHeaderMismatch;
  
      private MethodParameter soapHeaderMismatchList;
  
      @Before
      public void setUp() throws Exception {
          resolver = new SoapHeaderElementMethodArgumentResolver();
          messageContext = createSaajMessageContext();
          SoapMessage message = (SoapMessage) messageContext.getRequest();
          for (int i = 0; i < 3; i++) {
              SoapHeaderElement element = message.getSoapHeader().addHeaderElement(HEADER_QNAME);
              element.setText(HEADER_CONTENT + i);
          }
          soapHeaderWithEmptyValue =
                  new MethodParameter(getClass().getMethod("soapHeaderWithEmptyValue", SoapHeaderElement.class), 0);
          soapHeaderElementParameter =
                  new MethodParameter(getClass().getMethod("soapHeaderElement", SoapHeaderElement.class), 0);
          soapHeaderElementListParameter =
                  new MethodParameter(getClass().getMethod("soapHeaderElementList", List.class), 0);
          soapHeaderMismatch =
                  new MethodParameter(getClass().getMethod("soapHeaderMismatch", SoapHeaderElement.class), 0);
          soapHeaderMismatchList = new MethodParameter(getClass().getMethod("soapHeaderMismatchList", List.class), 0);
      }
  
      @Test
      public void supportsParameter() throws Exception {
          assertTrue("resolver does not support soapHeaderElement",
                  resolver.supportsParameter(soapHeaderElementParameter));
          assertTrue("resolver does not support List<soapHeaderElement>",
                  resolver.supportsParameter(soapHeaderElementListParameter));
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void failOnEmptyValue() throws Exception {
          resolver.resolveArgument(messageContext, soapHeaderWithEmptyValue);
      }
  
      @Test
      public void resolveSoapHeaderElement() throws Exception {
          Object result = resolver.resolveArgument(messageContext, soapHeaderElementParameter);
  
          assertTrue("result must be a SoapHeaderElement", SoapHeaderElement.class.isAssignableFrom(result.getClass()));
  
          SoapHeaderElement element = (SoapHeaderElement) result;
  
          assertTrue("headers must be equal", element.getName().equals(HEADER_QNAME));
          assertEquals("header text must be equal to [" + HEADER_CONTENT + "0]", HEADER_CONTENT + "0", element.getText());
     }
 
     @Test
     @SuppressWarnings("unchecked")
     public void resolveSoapHeaderElementList() throws Exception {
         Object result = resolver.resolveArgument(messageContext, soapHeaderElementListParameter);
 
         assertTrue("result must be a List", List.class.isAssignableFrom(result.getClass()));
 
         List<SoapHeaderElement> elements = (List) result;
 
         assertTrue("size", elements.size() > 1);
         for (int i = 0; i < elements.size(); i++) {
             SoapHeaderElement element = elements.get(i);
             assertTrue("headers must be equal", element.getName().equals(HEADER_QNAME));
             assertEquals("header must be equal to [" + HEADER_CONTENT + i + "]", HEADER_CONTENT + i,
                     elements.get(i).getText());
         }
     }
 
     @Test
     public void resolveSoapHeaderMismatch() throws Exception {
         Object result = resolver.resolveArgument(messageContext, soapHeaderMismatch);
         assertNull(result);
     }
 
     @Test
     public void resolveSoapHeaderMismatchList() throws Exception {
         Object result = resolver.resolveArgument(messageContext, soapHeaderMismatchList);
         assertTrue("result must be a List", List.class.isAssignableFrom(result.getClass()));
         assertTrue("result List must be empty", ((List) result).isEmpty());
     }
 
     public void soapHeaderWithEmptyValue(@SoapHeader("") SoapHeaderElement element) {
     }
 
     public void soapHeaderElement(@SoapHeader("{http://springframework.org/ws}header") SoapHeaderElement element) {
     }
 
     public void soapHeaderElementList(@SoapHeader(
             "{http://springframework.org/ws}header") List<SoapHeaderElement> elements) {
     }
 
     public void soapHeaderMismatch(@SoapHeader("{http://springframework.org/ws}xxx") SoapHeaderElement element) {
     }
 
     public void soapHeaderMismatchList(@SoapHeader(
             "{http://springframework.org/ws}xxx") List<SoapHeaderElement> elements) {
     }
 
 
 }