1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jelly.tags.junit;
17  
18  import org.apache.commons.jelly.xpath.XPathTagSupport;
19  
20  /***
21   * The abstract base class of any assertion tag which is
22   * useful for implementation inheritence.
23   *
24   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
25   * @version $Revision: 155420 $
26   */
27  public abstract class AssertTagSupport extends XPathTagSupport {
28  
29      public AssertTagSupport() {
30      }
31  
32      // Implementation methods
33      //-------------------------------------------------------------------------
34  
35      /***
36       * Produces a failure assertion with the given message
37       */
38      protected void fail(String message) throws JellyAssertionFailedError {
39          throw new JellyAssertionFailedError(message);
40      }
41  
42      /***
43       * Produces a failure assertion with the given message and added detail.
44       */
45      protected void fail(String message, String detail) throws JellyAssertionFailedError {
46          if (message == null || message.length() == 0) {
47              fail(detail);
48          }
49          else {
50              fail(message + ". Assertion failed while " + detail);
51          }
52      }
53  
54      /***
55       * Produces a failure if the actual value was not equal to the expected value
56       */
57      protected void failNotEquals(String message, Object expected, Object actual, String expressions) throws JellyAssertionFailedError {
58          String formatted= "";
59          if (message != null) {
60              formatted = message +" ";
61          }
62          fail(formatted + "expected:[" + expected + "] but was:[" + actual + "]" + expressions);
63      }
64  
65  }