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org.apache.commons.jelly.tags.junit.AssertTag |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.jelly.tags.junit; |
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17 | ||
18 | import org.apache.commons.jelly.JellyTagException; |
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19 | import org.apache.commons.jelly.MissingAttributeException; |
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20 | import org.apache.commons.jelly.XMLOutput; |
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21 | import org.apache.commons.jelly.expression.Expression; |
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22 | ||
23 | import org.apache.commons.logging.Log; |
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24 | import org.apache.commons.logging.LogFactory; |
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25 | ||
26 | import org.jaxen.JaxenException; |
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27 | import org.jaxen.XPath; |
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28 | ||
29 | /** |
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30 | * Performs an assertion that a given boolean expression, or XPath expression is |
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31 | * true. If the expression returns false then this test fails. |
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32 | * |
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33 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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34 | * @version $Revision: 1.5 $ |
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35 | */ |
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36 | 1 | public class AssertTag extends AssertTagSupport { |
37 | ||
38 | /** The Log to which logging calls will be made. */ |
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39 | 1 | private static final Log log = LogFactory.getLog(AssertTag.class); |
40 | ||
41 | /** The expression to evaluate. */ |
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42 | private Expression test; |
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43 | ||
44 | /** The XPath expression to evaluate */ |
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45 | private XPath xpath; |
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46 | ||
47 | 13 | public AssertTag() { |
48 | 13 | } |
49 | ||
50 | // Tag interface |
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51 | //------------------------------------------------------------------------- |
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52 | public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException { |
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53 | 13 | if (test == null && xpath == class="keyword">null) { |
54 | 0 | throw new MissingAttributeException( "test" ); |
55 | } |
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56 | 13 | if (test != null) { |
57 | 13 | if (! test.evaluateAsBoolean(context)) { |
58 | 1 | fail( getBodyText(), "evaluating test: "+ test.getExpressionText() ); |
59 | } |
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60 | } |
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61 | else { |
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62 | 0 | Object xpathContext = getXPathContext(); |
63 | try { |
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64 | 0 | if (! xpath.booleanValueOf(xpathContext)) { |
65 | 0 | fail( getBodyText(), "evaluating xpath: "+ xpath ); |
66 | } |
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67 | 0 | } |
68 | catch (JaxenException e) { |
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69 | 0 | throw new JellyTagException(e); |
70 | } |
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71 | } |
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72 | ||
73 | 12 | } |
74 | ||
75 | // Properties |
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76 | //------------------------------------------------------------------------- |
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77 | ||
78 | /** |
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79 | * Sets the boolean expression to evaluate. If this expression returns true |
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80 | * then the test succeeds otherwise if it returns false then the text will |
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81 | * fail with the content of the tag being the error message. |
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82 | */ |
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83 | public void setTest(Expression test) { |
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84 | 13 | this.test = test; |
85 | 13 | } |
86 | ||
87 | /** |
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88 | * Sets the boolean XPath expression to evaluate. If this expression returns true |
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89 | * then the test succeeds otherwise if it returns false then the text will |
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90 | * fail with the content of the tag being the error message. |
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91 | */ |
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92 | public void setXpath(XPath xpath) { |
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93 | 0 | this.xpath = xpath; |
94 | 0 | } |
95 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |