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1
7
8 package org.dom4j;
9
10 import junit.textui.TestRunner;
11
12 import java.util.List  ;
13
14 import org.dom4j.tree.DefaultElement;
15 import org.dom4j.xpath.DefaultXPath;
16
17
23 public class XPathTest extends AbstractTestCase {
24 protected static String [] paths = {
25 ".",
26 "*",
27 "/",
28 "/.",
29 "/*",
30 "/node()",
31 "/child::node()",
32 "/self::node()",
33 "root",
34 "/root",
35 "/root/author",
36 "text()",
37 "//author",
38 "//author/text()",
39 "//@location",
40 "//attribute::*",
41 "//namespace::*",
42 "normalize-space(/root)",
43 "//author[@location]",
44 "//author[@location='UK']",
45 "root|author",
46 "//*[.='James Strachan']",
47 "//root/author[1]",
48 "normalize-space(/root/author)",
49 "normalize-space(' a b c d ')",
50 "//root|//author[1]|//author[2]",
51 "//root/author[2]",
52 "//root/author[3]"};
53
54 public static void main(String [] args) {
55 TestRunner.run(XPathTest.class);
56 }
57
58 public void testBug1116471() throws Exception {
61 String xml = "<a><b>Water T & D-46816</b></a>";
62 String expected = "Water T & D-46816";
63
64 Document doc = DocumentHelper.parseText(xml);
65 String result = (String ) doc.selectObject("string(a/b[1])");
66
67 assertEquals("xpath result not correct", expected, result);
68
69 Node node = doc.selectSingleNode("a/b");
70 String result2 = node.getStringValue();
71
72 assertEquals("xpath result not correct", expected, result2);
73 }
74
75 public void testXPaths() throws Exception {
76 int size = paths.length;
77
78 for (int i = 0; i < size; i++) {
79 testXPath(paths[i]);
80 }
81 }
82
83 public void testCreateXPathBug() throws Exception {
84 Element element = new DefaultElement("foo");
85 XPath xpath = element.createXPath("//bar");
86
87 assertTrue(("created a valid XPath: " + xpath) != null);
88 }
89
90 public void testBug857704() throws Exception {
91 Document doc = DocumentHelper
92 .parseText("<foo xmlns:bar='http://blort'/>");
93 doc.selectNodes("//*[preceding-sibling::*]"); }
95
96 public void testBooleanValueOf() throws Exception {
97 Document doc = DocumentHelper.parseText("<root><foo>blah</foo></root>");
98
99 XPath path = new DefaultXPath("//root");
100 assertTrue(path.booleanValueOf(doc));
101
102 path = new DefaultXPath("//root2");
103 assertFalse(path.booleanValueOf(doc));
104 }
105
106 protected void testXPath(String xpathExpression) {
109 log("Searched path: " + xpathExpression);
110
111 XPath xpath = DocumentHelper.createXPath(xpathExpression);
112
113 List list = xpath.selectNodes(document);
114
115 if (list == null) {
116 log("null");
117 } else {
118 log("[");
119
120 for (int i = 0, size = list.size(); i < size; i++) {
121 Object object = list.get(i);
122
123 String text = "null";
124
125 if (object instanceof Node) {
126 Node node = (Node) object;
127
128 text = node.asXML();
129 } else if (object != null) {
130 text = object.toString();
131 }
132
133 log(" " + text);
134 }
135
136 log("]");
137 }
138
139 log("...........................................");
140 }
141 }
142
143
179
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