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1   /*
2    * $Id: MessageProcessorExpressionEvaluatorTestCase.java 20320 2010-11-24 15:03:31Z dfeist $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.expression;
12  
13  import org.mule.DefaultMuleMessage;
14  import org.mule.RequestContext;
15  import org.mule.api.MuleEvent;
16  import org.mule.api.MuleException;
17  import org.mule.api.MuleMessage;
18  import org.mule.api.expression.ExpressionManager;
19  import org.mule.api.expression.ExpressionRuntimeException;
20  import org.mule.api.processor.MessageProcessor;
21  import org.mule.api.transport.PropertyScope;
22  import org.mule.tck.AbstractMuleTestCase;
23  
24  public class MessageProcessorExpressionEvaluatorTestCase extends AbstractMuleTestCase
25  {
26  
27      private ExpressionManager expressionManager;
28  
29      @Override
30      protected void doSetUp() throws Exception
31      {
32          super.doSetUp();
33          expressionManager = muleContext.getExpressionManager();
34          RequestContext.setEvent(getTestEvent(""));
35  
36          muleContext.getRegistry().registerObject("processor", new MessageProcessor()
37          {
38              public MuleEvent process(MuleEvent event) throws MuleException
39              {
40                  event.getMessage().setPayload(event.getMessageAsString() + "123");
41                  return event;
42              }
43          });
44      }
45  
46      public void testNameOnly() throws Exception
47      {
48          MessageProcessorExpressionEvaluator evaluator = new MessageProcessorExpressionEvaluator();
49          assertEquals("0123",
50              ((MuleMessage) evaluator.evaluate("processor", createTestMessage())).getPayloadAsString());
51      }
52  
53      public void testNameOnlyExpressionManager() throws ExpressionRuntimeException, Exception
54      {
55          assertEquals("0123", ((MuleMessage) expressionManager.evaluate("#[process:processor]",
56              createTestMessage())).getPayloadAsString());
57      }
58  
59      public void testNestedPayloadExpression() throws Exception
60      {
61          MessageProcessorExpressionEvaluator evaluator = new MessageProcessorExpressionEvaluator();
62          assertEquals("0123",
63              ((MuleMessage) evaluator.evaluate("processor:payload", createTestMessage())).getPayloadAsString());
64      }
65  
66      public void testNestedPayloadExpressionExpressionManager() throws ExpressionRuntimeException, Exception
67      {
68          assertEquals("0123", ((MuleMessage) expressionManager.evaluate("#[process:processor:#[payload]]",
69              createTestMessage())).getPayloadAsString());
70      }
71  
72      public void testNestedHeaderExpression() throws Exception
73      {
74          MessageProcessorExpressionEvaluator evaluator = new MessageProcessorExpressionEvaluator();
75          assertEquals("value123", ((MuleMessage) evaluator.evaluate("processor:header:one",
76              createTestMessage())).getPayloadAsString());
77      }
78  
79      public void testNestedHeaderExpressionExpressionManager() throws ExpressionRuntimeException, Exception
80      {
81          assertEquals("value123", ((MuleMessage) expressionManager.evaluate(
82              "#[process:processor:#[header:one]]", createTestMessage())).getPayloadAsString());
83      }
84  
85      private MuleMessage createTestMessage()
86      {
87          MuleMessage message = new DefaultMuleMessage("0", muleContext);
88          message.setProperty("one", "value", PropertyScope.OUTBOUND);
89          return message;
90      }
91  
92  }