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1
61
62 package org.jaxen.function;
63
64 import java.io.IOException  ;
65 import java.util.List ;
66
67 import javax.xml.parsers.DocumentBuilder ;
68 import javax.xml.parsers.DocumentBuilderFactory ;
69 import javax.xml.parsers.ParserConfigurationException ;
70
71 import junit.framework.TestCase;
72
73 import org.jaxen.FunctionCallException;
74 import org.jaxen.JaxenException;
75 import org.jaxen.XPath;
76 import org.jaxen.dom.DOMXPath;
77 import org.w3c.dom.Attr ;
78 import org.w3c.dom.Document ;
79 import org.w3c.dom.ProcessingInstruction ;
80 import org.w3c.dom.Text ;
81 import org.xml.sax.SAXException ;
82
83
87 public class NamespaceURITest extends TestCase {
88
89 private Document doc;
90
91 public void setUp() throws ParserConfigurationException , SAXException , IOException
92 {
93 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
94 factory.setNamespaceAware(true);
95 DocumentBuilder builder = factory.newDocumentBuilder();
96 doc = builder.parse( "xml/basic.xml" );
97 }
98
99
100 public NamespaceURITest(String name) {
101 super(name);
102 }
103
104 public void testNamespaceURIOfNumber() throws JaxenException
105 {
106 try
107 {
108 XPath xpath = new DOMXPath( "namespace-uri(3)" );
109 xpath.selectNodes( doc );
110 fail("namespace-uri of non-node-set");
111 }
112 catch (FunctionCallException e)
113 {
114 assertEquals("The argument to the namespace-uri function must be a node-set", e.getMessage());
115 }
116 }
117
118 public void testNamespaceURINoArguments() throws JaxenException
119 {
120 XPath xpath = new DOMXPath( "namespace-uri()" );
121 List results = xpath.selectNodes( doc );
122 assertEquals("", results.get(0));
123 }
124
125 public void testNamespaceURIOfEmptyNodeSetIsEmptyString() throws JaxenException
126 {
127 XPath xpath = new DOMXPath( "namespace-uri(/aaa)" );
128 String result = (String ) xpath.evaluate(doc);
129 assertEquals("", result);
130 }
131
132 public void testNamespaceURIOfProcessingInstructionIsEmptyString() throws JaxenException
133 {
134 XPath xpath = new DOMXPath( "namespace-uri(/processing-instruction())" );
135 ProcessingInstruction pi = doc.createProcessingInstruction("target", "value");
136 doc.appendChild(pi);
137 String result = (String ) xpath.evaluate(doc);
138 assertEquals("", result);
139 }
140
141 public void testNamespaceURIOfAttribute() throws JaxenException
142 {
143 XPath xpath = new DOMXPath( "namespace-uri(/*/@*)" );
144 Attr a = doc.createAttribute("name");
145 doc.getDocumentElement().setAttributeNode(a);
146 Object result = (String ) xpath.evaluate(doc);
147 assertEquals("", result);
148 }
149
150 public void testNamespaceURIOfTextIsEmptyString() throws JaxenException
151 {
152 XPath xpath = new DOMXPath( "namespace-uri(/*/text())" );
153 Text c = doc.createTextNode("test");
154 doc.getDocumentElement().appendChild(c);
155 String result = (String ) xpath.evaluate(doc);
156 assertEquals("", result);
157 }
158
159 public void testNamespaceURIRequiresAtMostOneArgument() throws JaxenException
160 {
161 XPath xpath = new DOMXPath( "namespace-uri(/*, /*)" );
162 try {
163 xpath.evaluate(doc);
164 fail("Allowed namespace-uri function with no arguments");
165 }
166 catch (FunctionCallException ex) {
167 assertNotNull(ex.getMessage());
168 }
169 }
170
171 public void testNamespaceURIOfNamespaceIsNull() throws JaxenException
172 {
173 XPath xpath = new DOMXPath( "namespace-uri(/*/namespace::node())" );
174 String result = (String ) xpath.evaluate(doc);
175 assertEquals("", result);
176 }
177 }
178 |
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