View Javadoc

1   //$Id: ExceptionAsserter.java 209 2005-12-18 17:45:49Z jg_hamburg $
2   /********************************************************************************
3    * DDTUnit, a Datadriven Approach to Unit- and Moduletesting
4    * Copyright (c) 2004, Joerg and Kai Gellien
5    * All rights reserved.
6    *
7    * The Software is provided under the terms of the Common Public License 1.0
8    * as provided with the distribution of DDTUnit in the file cpl-v10.html.
9    * Redistribution and use in source and binary forms, with or without
10   * modification, are permitted provided that the following conditions
11   * are met:
12   *
13   *     + Redistributions of source code must retain the above copyright
14   *       notice, this list of conditions and the following disclaimer.
15   *
16   *     + Redistributions in binary form must reproduce the above
17   *       copyright notice, this list of conditions and the following
18   *       disclaimer in the documentation and/or other materials provided
19   *       with the distribution.
20   *
21   *     + Neither the name of the authors or DDTUnit, nor the
22   *       names of its contributors may be used to endorse or promote
23   *       products derived from this software without specific prior
24   *       written permission.
25   *
26   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
30   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37   ********************************************************************************/
38  package junitx.ddtunit.data;
39  
40  import junit.framework.AssertionFailedError;
41  import junitx.ddtunit.DDTException;
42  import junitx.framework.ThrowableAssert;
43  
44  /**
45   * @author jg
46   */
47  public class ExceptionAsserter extends AssertObject {
48  
49      /**
50       * defines equals action analogue to JUnit assertEquals
51       */
52      public static final String EXCEPTION_ACTION_ISEQUAL = "ISEQUAL";
53  
54      /**
55       * defines equals action analogue to JUnit assertEquals
56       */
57      public static final String EXCEPTION_ACTION_ISSIMILAR = "ISSIMILAR";
58  
59      /**
60       * defines equals action analogue to JUnit assertEquals
61       */
62      public static final String EXCEPTION_ACTION_ISINSTANCEOF = "ISINSTANCEOF";
63  
64      /**
65       * @param assertId
66       * @param assertType
67       * @param exceptionAction
68       */
69      public ExceptionAsserter(String exceptionId, String exceptionType,
70              String exceptionAction) {
71          super(exceptionId, exceptionType, exceptionAction);
72      }
73  
74      /**
75       * validate internal expression.
76       * 
77       * @param mark as processed if set to true, else multiple validation is
78       *        possible.
79       * 
80       * @see junitx.ddtunit.data.AssertObject#validate()
81       */
82      public void validate(boolean mark) {
83          if (!this.actualObjectSet) {
84              throw new DDTException("Actual object for assertion not provided");
85          } else if (EXCEPTION_ACTION_ISEQUAL.equals(this.action.toUpperCase())) {
86              this.markAsProcessed = mark;
87              ThrowableAssert.assertEquals("Unexpected exception",
88                  (Throwable) getValue(), (Throwable) getActualObject());
89          } else if (EXCEPTION_ACTION_ISSIMILAR.equals(this.action.toUpperCase())) {
90              this.markAsProcessed = mark;
91              ThrowableAssert.assertSimilar("Unexpected exception",
92                  (Throwable) getValue(), (Throwable) getActualObject());
93          } else if (EXCEPTION_ACTION_ISINSTANCEOF.equals(this.action
94              .toUpperCase())) {
95              this.markAsProcessed = mark;
96              try {
97                  Class expectedClazz = Class.forName(this.getType());
98                  if (!expectedClazz.isInstance(this.getActualObject())) {
99                      throw new AssertionFailedError(
100                             "Unexpected exception: expected <"
101                                     + this.getType() + "> got <"
102                                     + this.getActualType() + ">");
103                 }
104             } catch (ClassNotFoundException ex) {
105                 throw new DDTException(
106                         "Error instanciating expected exception of type "
107                                 + this.getType(), ex);
108             }
109         } else {
110             throw new DDTException("Unsupported action " + this.action);
111         }
112     }
113 
114     public Object clone() {
115         ExceptionAsserter newObj = new ExceptionAsserter(this.getId(), this
116             .getType(), this.getAction());
117         newObj.setValue(this.getValue());
118         return newObj;
119     }
120 
121 }