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1   /*
2    * $Id: ExpressionConfigTestCase.java 22377 2011-07-11 12:41:42Z dirk.olmes $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.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  package org.mule.expression;
11  
12  import org.mule.api.MuleMessage;
13  import org.mule.api.expression.ExpressionEvaluator;
14  import org.mule.tck.junit4.AbstractMuleContextTestCase;
15  
16  import org.junit.Test;
17  
18  import static org.junit.Assert.assertEquals;
19  import static org.junit.Assert.assertNull;
20  
21  public class ExpressionConfigTestCase extends AbstractMuleContextTestCase
22  {
23      @Test
24      public void testConfig() throws Exception
25      {
26          ExpressionConfig config = new ExpressionConfig("foo=bar", "header", null, "$[", "]");
27          config.validate(muleContext.getExpressionManager());
28          assertEquals("$[header:foo=bar]", config.getFullExpression(muleContext.getExpressionManager()));
29  
30          config = new ExpressionConfig("foo,bar", "headers", null);
31          config.validate(muleContext.getExpressionManager());
32          assertEquals("#[headers:foo,bar]", config.getFullExpression(muleContext.getExpressionManager()));
33  
34          config = new ExpressionConfig();
35          config.parse("#[attachment:baz]");
36          config.validate(muleContext.getExpressionManager());
37          assertEquals("attachment", config.getEvaluator());
38          assertEquals("baz", config.getExpression());
39          assertNull(config.getCustomEvaluator());
40      }
41  
42      @Test
43      public void testCustomConfig() throws Exception
44      {
45          muleContext.getExpressionManager().registerEvaluator(new ExpressionEvaluator()
46          {
47              public Object evaluate(String expression, MuleMessage message) { return null;  }
48  
49              public void setName(String name) { }
50  
51              public String getName() { return "customEval"; }
52          });
53  
54          ExpressionConfig config = new ExpressionConfig("foo,bar", "custom", "customEval");
55          config.validate(muleContext.getExpressionManager());
56          assertEquals("#[customEval:foo,bar]", config.getFullExpression(muleContext.getExpressionManager()));
57      }
58  }