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16
17 package org.ditchnet.xml.dom;
18
19 import java.util.List  ;
20 import junit.framework.Test;
21 import junit.framework.TestCase;
22 import junit.framework.TestSuite;
23 import javax.xml.parsers.*;
24 import org.w3c.dom.*;
25 import org.xml.sax.InputSource ;
26 import org.ditchnet.test.DitchBaseTestCase;
27 import org.ditchnet.xml.Xhtml;
28
29
30 public class DomUtilsTest extends DitchBaseTestCase {
31
32 public static void main(String [] args) {
33 junit.textui.TestRunner.run( suite() );
34 }
35
36 public static Test suite() {
37 TestSuite suite = new TestSuite(
38 "Tests for DOM utility algorithms contained in DomUtils class");
39 suite.addTestSuite( DomUtilsTest.class );
40 return suite;
41 }
42
43 final static String RES_FILE_SYSTEM_ID
44 = "testResources/domUtilsTestDoc.xml";
45
46 final static String DOC_BODY_ID = "doc-body";
47 final static String MAIN_HEADER_ID = "main-header";
48 final static String HEADER_CLASS_NAME = "header";
49 final static String MAIN_LIST_ID = "main-list";
50 final static String FIRST_LIST_ITEM_ID = "first-list-item";
51 final static String FIRST_SUB_LIST_ID = "first-sub-list";
52 final static String CLASS_BREAKER_ID = "class-breaker";
53 final static String LIST_CLASS_NAME = "list";
54 final static String LIST_ITEM_CLASS_NAME = "list-item";
55 final static String ANOTHER_CLASS_NAME = "another-class";
56 final static String DEPTH_FIRST_ID = "depth-first";
57 final static String BREADTH_FIRST_ID = "breadth-first";
58 final static String DEPTH_BREADTH_CLASS_NAME = "depth-breadth";
59
60 Document doc;
61
62 public DomUtilsTest(String name) {
63 super(name);
64 }
65
66 public void setUp() throws Exception {
67 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
68 DocumentBuilder builder = factory.newDocumentBuilder();
69 doc = builder.parse(
70 new InputSource ( RES_FILE_SYSTEM_ID ));
71 }
72
73 public void testResDocumentExists() {
74 Element docEl = doc.getDocumentElement();
75 assertEquals(Xhtml.Tag.HTML.toString(),
76 docEl.getTagName());
77 }
78
79 public void testHasId() {
80 Element mainHeader = doc.getElementById( MAIN_HEADER_ID );
81 assertTrue(DomUtils.hasId(mainHeader,MAIN_HEADER_ID));
82 assertFalse(DomUtils.hasId(mainHeader," " + MAIN_HEADER_ID));
83 }
84
85 public void testHasClassName() {
86 Element firstSubList = doc.getElementById( FIRST_SUB_LIST_ID );
87 assertEquals(Xhtml.Tag.UL.toString(),
88 firstSubList.getNodeName());
89 assertTrue("The first sub list should have 'list' as a class name",
90 DomUtils.hasClassName(firstSubList,LIST_CLASS_NAME));
91 assertTrue("The first sub list should have 'another-class as a class name",
92 DomUtils.hasClassName(firstSubList,ANOTHER_CLASS_NAME));
93 assertTrue(DomUtils.hasClassName(firstSubList,ANOTHER_CLASS_NAME+" "));
94 assertTrue(DomUtils.hasClassName(firstSubList," "+ANOTHER_CLASS_NAME+" "));
95 assertTrue(DomUtils.hasClassName(firstSubList," "+ANOTHER_CLASS_NAME));
96
97 Element li = doc.getElementById( MAIN_LIST_ID );
98 assertTrue(DomUtils.hasClassName(li, LIST_CLASS_NAME ));
99 assertTrue(DomUtils.hasClassName(li, ANOTHER_CLASS_NAME ));
100 assertFalse(DomUtils.hasClassName(li,ANOTHER_CLASS_NAME+ANOTHER_CLASS_NAME));
101
102 li = doc.getElementById(CLASS_BREAKER_ID);
103 assertFalse(DomUtils.hasClassName(li,LIST_ITEM_CLASS_NAME));
104 }
105
106 public void testIsElementNode() {
107 Element html = doc.getDocumentElement();
108 assertTrue(DomUtils.isElementNode(html));
109 assertFalse(DomUtils.isElementNode(html.getFirstChild()));
110 Node title = doc.getElementsByTagName(Xhtml.Tag.TITLE.toString()).item(0);
111 assertTrue(DomUtils.isElementNode(title));
112 assertFalse(DomUtils.isElementNode(title.getFirstChild()));
113 }
114
115 public void testGetFirstAncestorByClassName() {
116 Element firstListItem = doc.getElementById( FIRST_LIST_ITEM_ID );
117 assertEquals(Xhtml.Tag.LI.toString(),
118 firstListItem.getTagName());
119 Element mainList = DomUtils.getFirstAncestorByClassName(
120 firstListItem,
121 LIST_CLASS_NAME );
122 assertEquals(Xhtml.Tag.UL.toString(),
123 mainList.getTagName());
124 assertTrue(DomUtils.hasId( mainList, MAIN_LIST_ID ));
125 }
126
127 public void testGetFirstAncestorOrSelfByClassName() {
128 Element ul = doc.getElementById( FIRST_SUB_LIST_ID );
129 Element target = DomUtils.getFirstAncestorOrSelfByClassName(
130 ul,
131 LIST_CLASS_NAME);
132 assertSame(ul,target);
133 assertTrue(DomUtils.hasId(ul,FIRST_SUB_LIST_ID));
134
135 Element li = doc.getElementById( FIRST_LIST_ITEM_ID );
136 target = DomUtils.getFirstAncestorOrSelfByClassName(
137 li,
138 LIST_CLASS_NAME);
139 assertNotSame(li,target);
140 assertTrue(DomUtils.hasId(ul,FIRST_SUB_LIST_ID));
141 }
142
143 public void testGetFirstChildByClassName() {
144 Element body = doc.getElementById( DOC_BODY_ID );
145 Element h1 = DomUtils.getFirstChildByClassName(body,HEADER_CLASS_NAME);
146 assertTrue(DomUtils.hasId(h1,MAIN_HEADER_ID));
147 assertTrue(DomUtils.hasClassName(h1,HEADER_CLASS_NAME));
148 Element mainList = doc.getElementById( MAIN_LIST_ID );
149 Element li =
150 DomUtils.getFirstChildByClassName(mainList,LIST_ITEM_CLASS_NAME);
151 assertTrue(DomUtils.hasId(li,FIRST_LIST_ITEM_ID));
152 }
153
154 public void testGetFirstDescendantByClassNameBreadthFirst() {
155 Element html = doc.getDocumentElement();
156 Element h1 = DomUtils.getFirstDescendantByClassNameBreadthFirst(
157 html,
158 HEADER_CLASS_NAME);
159 assertTrue(DomUtils.hasId(h1,MAIN_HEADER_ID));
160 assertTrue(DomUtils.hasClassName(h1,HEADER_CLASS_NAME));
161 assertFalse(DomUtils.hasClassName(h1,"header-"));
162
163 Element body = doc.getElementById( DOC_BODY_ID );
164 h1 = DomUtils.getFirstDescendantByClassNameBreadthFirst(
165 body,
166 HEADER_CLASS_NAME);
167 assertTrue(DomUtils.hasId(h1,MAIN_HEADER_ID));
168 assertTrue(DomUtils.hasClassName(h1,HEADER_CLASS_NAME));
169 assertFalse(DomUtils.hasClassName(h1,"-header"));
170 assertFalse(DomUtils.hasClassName(h1,"headerheader"));
171
172 Element li = DomUtils.getFirstDescendantByClassNameBreadthFirst(
173 body,
174 DEPTH_BREADTH_CLASS_NAME );
175 assertTrue(DomUtils.hasId(li,BREADTH_FIRST_ID));
176 }
177
178 public void testGetFirstDescendantByClassNameDepthFirst() {
179 Element html = doc.getDocumentElement();
180 Element h1 = DomUtils.getFirstDescendantByClassNameDepthFirst(
181 html,
182 HEADER_CLASS_NAME);
183 assertTrue(DomUtils.hasId(h1,MAIN_HEADER_ID));
184 assertTrue(DomUtils.hasClassName(h1,HEADER_CLASS_NAME));
185 assertFalse(DomUtils.hasClassName(h1,"header-"));
186
187 Element body = doc.getElementById( DOC_BODY_ID );
188 h1 = DomUtils.getFirstDescendantByClassNameDepthFirst(
189 body,
190 HEADER_CLASS_NAME);
191 assertTrue(DomUtils.hasId(h1,MAIN_HEADER_ID));
192 assertTrue(DomUtils.hasClassName(h1,HEADER_CLASS_NAME));
193 assertFalse(DomUtils.hasClassName(h1,"-header"));
194 assertFalse(DomUtils.hasClassName(h1,"headerheader"));
195
196 Element li = DomUtils.getFirstDescendantByClassNameDepthFirst(
197 body,
198 DEPTH_BREADTH_CLASS_NAME );
199 assertTrue(DomUtils.hasId(li,DEPTH_FIRST_ID));
200 }
201
202 public void testGetChildrenByClassName() {
203 Element ul = doc.getElementById( MAIN_LIST_ID );
204 List lis = DomUtils.getChildrenByClassName(ul,LIST_ITEM_CLASS_NAME);
205 assertEquals(3,lis.size());
206 }
207
208 public void testGetDescendantsByClassName() {
209 Element ul = doc.getElementById( FIRST_SUB_LIST_ID );
210 List lis = DomUtils.getDescendantsByClassName(ul,LIST_ITEM_CLASS_NAME);
211 assertEquals(1,lis.size());
212 ul = doc.getElementById( MAIN_LIST_ID );
213 lis = DomUtils.getDescendantsByClassName(ul,LIST_ITEM_CLASS_NAME);
214 assertEquals(5,lis.size());
215 }
216 }
217
218
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