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33 package org.htmlparser.tests.scannersTests;
34
35 import org.htmlparser.Node;
36 import org.htmlparser.Parser;
37 import org.htmlparser.RemarkNode;
38 import org.htmlparser.scanners.FormScanner;
39 import org.htmlparser.scanners.LinkScanner;
40 import org.htmlparser.tags.FormTag;
41 import org.htmlparser.tags.InputTag;
42 import org.htmlparser.tags.LinkTag;
43 import org.htmlparser.tags.TextareaTag;
44 import org.htmlparser.tests.ParserTestCase;
45 import org.htmlparser.util.ParserException;
46 import org.htmlparser.util.SimpleNodeIterator;
47
48 public class FormScannerTest extends ParserTestCase
49 {
50 public static final String  FORM_HTML =
51 "<FORM METHOD=\""
52 + FormTag.POST
53 + "\" ACTION=\"do_login.php\" NAME=\"login_form\" onSubmit=\"return CheckData()\">\n"
54 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
55 + "<TR><TD ALIGN=\"center\"><FONT face=\"Arial, verdana\" size=2><b>User Name</b></font></TD></TR>\n"
56 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"text\" NAME=\"name\" SIZE=\"20\"></TD></TR>\n"
57 + "<TR><TD ALIGN=\"center\"><FONT face=\"Arial, verdana\" size=2><b>Password</b></font></TD></TR>\n"
58 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"password\" NAME=\"passwd\" SIZE=\"20\"></TD></TR>\n"
59 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
60 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"submit\" NAME=\"submit\" VALUE=\"Login\"></TD></TR>\n"
61 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
62 + "<TEXTAREA name=\"Description\" rows=\"15\" cols=\"55\" wrap=\"virtual\" class=\"composef\" tabindex=\"5\">Contents of TextArea</TEXTAREA>\n"
63 +
64 "<INPUT TYPE=\"hidden\" NAME=\"password\" SIZE=\"20\">\n"
66 + "<INPUT TYPE=\"submit\">\n"
67 + "</FORM>";
68
69 public static final String EXPECTED_FORM_HTML_FORMLINE =
70 "<FORM ACTION=\"http://www.google.com/test/do_login.php\" NAME=\"login_form\" ONSUBMIT=\"return CheckData()\" METHOD=\""
71 + FormTag.POST
72 + "\">\r\n";
73 public static final String EXPECTED_FORM_HTML_REST_OF_FORM =
74 "<TR><TD ALIGN=\"center\"> </TD></TR>\r\n"
75 + "<TR><TD ALIGN=\"center\"><FONT FACE=\"Arial, verdana\" SIZE=\"2\"><B>User Name</B></FONT></TD></TR>\r\n"
76 + "<TR><TD ALIGN=\"center\"><INPUT NAME=\"name\" SIZE=\"20\" TYPE=\"text\"></TD></TR>\r\n"
77 + "<TR><TD ALIGN=\"center\"><FONT FACE=\"Arial, verdana\" SIZE=\"2\"><B>Password</B></FONT></TD></TR>\r\n"
78 + "<TR><TD ALIGN=\"center\"><INPUT NAME=\"passwd\" SIZE=\"20\" TYPE=\"password\"></TD></TR>\r\n"
79 + "<TR><TD ALIGN=\"center\"> </TD></TR>\r\n"
80 + "<TR><TD ALIGN=\"center\"><INPUT VALUE=\"Login\" NAME=\"submit\" TYPE=\"submit\"></TD></TR>\r\n"
81 + "<TR><TD ALIGN=\"center\"> </TD></TR>\r\n"
82 + "<TEXTAREA TABINDEX=\"5\" ROWS=\"15\" COLS=\"55\" CLASS=\"composef\" NAME=\"Description\" WRAP=\"virtual\">Contents of TextArea</TEXTAREA>\r\n"
83 +
84 "<INPUT NAME=\"password\" SIZE=\"20\" TYPE=\"hidden\">\r\n"
86 + "<INPUT TYPE=\"submit\">\r\n"
87 + "</FORM>";
88 public static final String EXPECTED_FORM_HTML =
89 EXPECTED_FORM_HTML_FORMLINE + EXPECTED_FORM_HTML_REST_OF_FORM;
90
91 public FormScannerTest(String name)
92 {
93 super(name);
94 }
95
96 public void testEvaluate()
97 {
98 String line1 =
99 "form method=\"post\" onsubmit=\"return implementsearch()\" name=frmsearch id=form";
100 String line2 =
101 "FORM method=\"post\" onsubmit=\"return implementsearch()\" name=frmsearch id=form";
102 String line3 =
103 "Form method=\"post\" onsubmit=\"return implementsearch()\" name=frmsearch id=form";
104 FormScanner formScanner = new FormScanner("", Parser.createParser(""));
105 assertTrue("Line 1", formScanner.evaluate(line1, null));
106 assertTrue("Line 2", formScanner.evaluate(line2, null));
107 assertTrue("Line 3", formScanner.evaluate(line3, null));
108 }
109
110 public void assertTypeNameSize(
111 String description,
112 String type,
113 String name,
114 String size,
115 InputTag inputTag)
116 {
117 assertEquals(
118 description + " type",
119 type,
120 inputTag.getAttribute("TYPE"));
121 assertEquals(
122 description + " name",
123 name,
124 inputTag.getAttribute("NAME"));
125 assertEquals(
126 description + " size",
127 size,
128 inputTag.getAttribute("SIZE"));
129 }
130 public void assertTypeNameValue(
131 String description,
132 String type,
133 String name,
134 String value,
135 InputTag inputTag)
136 {
137 assertEquals(
138 description + " type",
139 type,
140 inputTag.getAttribute("TYPE"));
141 assertEquals(
142 description + " name",
143 name,
144 inputTag.getAttribute("NAME"));
145 assertEquals(
146 description + " value",
147 value,
148 inputTag.getAttribute("VALUE"));
149 }
150 public void testScan() throws ParserException
151 {
152 createParser(FORM_HTML, "http://www.google.com/test/index.html");
153 parser.addScanner(new FormScanner("", parser));
154 parseAndAssertNodeCount(1);
155 assertTrue("Node 0 should be Form Tag", node[0] instanceof FormTag);
156 FormTag formTag = (FormTag) node[0];
157 assertStringEquals("Method", FormTag.POST, formTag.getFormMethod());
158 assertStringEquals(
159 "Location",
160 "http://www.google.com/test/do_login.php",
161 formTag.getFormLocation());
162 assertStringEquals("Name", "login_form", formTag.getFormName());
163 InputTag nameTag = formTag.getInputTag("name");
164 InputTag passwdTag = formTag.getInputTag("passwd");
165 InputTag submitTag = formTag.getInputTag("submit");
166 InputTag dummyTag = formTag.getInputTag("dummy");
167 assertNotNull("Input Name Tag should not be null", nameTag);
168 assertNotNull("Input Password Tag should not be null", passwdTag);
169 assertNotNull("Input Submit Tag should not be null", submitTag);
170 assertNull("Input dummy tag should be null", dummyTag);
171
172 assertTypeNameSize("Input Name Tag", "text", "name", "20", nameTag);
173 assertTypeNameSize(
174 "Input Password Tag",
175 "password",
176 "passwd",
177 "20",
178 passwdTag);
179 assertTypeNameValue(
180 "Input Submit Tag",
181 "submit",
182 "submit",
183 "Login",
184 submitTag);
185
186 TextareaTag textAreaTag = formTag.getTextAreaTag("Description");
187 assertNotNull("Text Area Tag should have been found", textAreaTag);
188 assertEquals(
189 "Text Area Tag Contents",
190 "Contents of TextArea",
191 textAreaTag.getValue());
192 assertNull("Should have been null", formTag.getTextAreaTag("junk"));
193
194 assertStringEquals("toHTML", EXPECTED_FORM_HTML, formTag.toHtml());
195 }
196
197 public void testScanFormWithNoEnding() throws Exception
198 {
199 createParser(
200 "<TABLE>\n"
201 + "<FORM METHOD=\"post\" ACTION=\"do_login.php\" NAME=\"login_form\" onSubmit=\"return CheckData()\">\n"
202 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
203 + "<TR><TD ALIGN=\"center\"><FONT face=\"Arial, verdana\" size=2><b>User Name</b></font></TD></TR>\n"
204 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"text\" NAME=\"name\" SIZE=\"20\"></TD></TR>\n"
205 + "<TR><TD ALIGN=\"center\"><FONT face=\"Arial, verdana\" size=2><b>Password</b></font></TD></TR>\n"
206 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"password\" NAME=\"passwd\" SIZE=\"20\"></TD></TR>\n"
207 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
208 + "<TR><TD ALIGN=\"center\"><INPUT TYPE=\"submit\" NAME=\"submit\" VALUE=\"Login\"></TD></TR>\n"
209 + "<TR><TD ALIGN=\"center\"> </TD></TR>\n"
210 + "<INPUT TYPE=\"hidden\" NAME=\"password\" SIZE=\"20\">\n"
211 + "</TABLE>",
212 "http://www.google.com/test/index.html");
213
214 parser.addScanner(new FormScanner("", parser));
215
216 parseAndAssertNodeCount(2);
217 }
218
222 public void testScanFormWithLinks() throws ParserException
223 {
224 createParser(
225 "<form action=\"/search\" name=f><table cellspacing=0 cellpadding=0><tr><td width=75> "
226 + "</td><td align=center><input type=hidden name=hl value=en><input type=hidden name=ie "
227 + "value=\"UTF-8\"><input type=hidden name=oe value=\"UTF-8\"><input maxLength=256 size=55"
228 + " name=q value=\"\"><br><input type=submit value=\"Google Search\" name=btnG><input type="
229 + "submit value=\"I'm Feeling Lucky\" name=btnI></td><td valign=top nowrap><font size=-2>"
230 + " • <a HREF=/advanced_search?hl=en>Advanced Search</a><br> •"
231 + " <a HREF=/preferences?hl=en>Preferences</a><br> • <a HREF=/"
232 + "language_tools?hl=en>Language Tools</a></font></td></tr></table></form>");
233
234 parser.addScanner(new FormScanner("", parser));
235 parser.addScanner(new LinkScanner());
236 parseAndAssertNodeCount(1);
237 assertTrue("Should be a HTMLFormTag", node[0] instanceof FormTag);
238 FormTag formTag = (FormTag) node[0];
239 LinkTag[] linkTag = new LinkTag[10];
240 int i = 0;
241 for (SimpleNodeIterator e = formTag.children(); e.hasMoreNodes();)
242 {
243 Node formNode = e.nextNode();
244 if (formNode instanceof LinkTag)
245 {
246 linkTag[i++] = (LinkTag) formNode;
247 }
248 }
249 assertEquals("Link Tag Count", 3, i);
250 assertEquals(
251 "First Link Tag Text",
252 "Advanced Search",
253 linkTag[0].getLinkText());
254 assertEquals(
255 "Second Link Tag Text",
256 "Preferences",
257 linkTag[1].getLinkText());
258 assertEquals(
259 "Third Link Tag Text",
260 "Language Tools",
261 linkTag[2].getLinkText());
262 }
263
266 public void testScanFormWithComments() throws ParserException
267 {
268 createParser(
269 "<form action=\"/search\" name=f><table cellspacing=0 cellpadding=0><tr><td width=75> "
270 + "</td><td align=center><input type=hidden name=hl value=en><input type=hidden name=ie "
271 + "value=\"UTF-8\"><input type=hidden name=oe value=\"UTF-8\"><!-- Hello World -->"
272 + "<input maxLength=256 size=55"
273 + " name=q value=\"\"><br><input type=submit value=\"Google Search\" name=btnG><input type="
274 + "submit value=\"I'm Feeling Lucky\" name=btnI></td><td valign=top nowrap><font size=-2>"
275 + " • <a HREF=/advanced_search?hl=en>Advanced Search</a><br> •"
276 + " <a HREF=/preferences?hl=en>Preferences</a><br> • <a HREF=/"
277 + "language_tools?hl=en>Language Tools</a></font></td></tr></table></form>");
278
279 parser.addScanner(new FormScanner("", parser));
280 parseAndAssertNodeCount(1);
281 assertTrue("Should be a HTMLFormTag", node[0] instanceof FormTag);
282 FormTag formTag = (FormTag) node[0];
283 RemarkNode[] remarkNode = new RemarkNode[10];
284 int i = 0;
285 for (SimpleNodeIterator e = formTag.children(); e.hasMoreNodes();)
286 {
287 Node formNode = (Node) e.nextNode();
288 if (formNode instanceof RemarkNode)
289 {
290 remarkNode[i++] = (RemarkNode) formNode;
291 }
292 }
293 assertEquals("Remark Node Count", 1, i);
294 assertEquals(
295 "First Remark Node",
296 " Hello World ",
297 remarkNode[0].toPlainTextString());
298 }
299
302 public void testScanFormWithComments2() throws ParserException
303 {
304 createParser(
305 "<FORM id=\"id\" name=\"name\" action=\"http://some.site/aPage.asp?id=97\" method=\"post\">\n"
306 + " <!--\n"
307 + " Just a Comment\n"
308 + " -->\n"
309 + "</FORM>");
310 parser.registerScanners();
311 parseAndAssertNodeCount(1);
312 assertTrue("Should be a HTMLFormTag", node[0] instanceof FormTag);
313 FormTag formTag = (FormTag) node[0];
314 RemarkNode[] remarkNode = new RemarkNode[10];
315 int i = 0;
316 for (SimpleNodeIterator e = formTag.children(); e.hasMoreNodes();)
317 {
318 Node formNode = (Node) e.nextNode();
319 if (formNode instanceof RemarkNode)
320 {
321 remarkNode[i++] = (RemarkNode) formNode;
322 }
323 }
324 assertEquals("Remark Node Count", 1, i);
325 }
326
327
331 public void testScanFormWithPreviousOpenLink() throws ParserException
332 {
333 createParser(
334 "<A HREF=\"http://www.oygevalt.org/\">Home</A>\n"
335 + "<P>\n"
336 + "And now, the good stuff:\n"
337 + "<P>\n"
338 + "<A HREF=\"http://www.yahoo.com\">Yahoo!\n"
339 + "<FORM ACTION=\".\" METHOD=\"GET\">\n"
340 + "<INPUT TYPE=\"TEXT\">\n"
341 + "<BR>\n"
342 + "<A HREF=\"http://www.helpme.com\">Help</A> "
343 + "<INPUT TYPE=\"checkbox\">\n"
344 + "<P>\n"
345 + "<INPUT TYPE=\"SUBMIT\">\n"
346 + "</FORM>");
347 parser.addScanner(new FormScanner("", parser));
348 parser.addScanner(new LinkScanner());
349 parseAndAssertNodeCount(6);
350 assertTrue("Fifth Node is a link", node[4] instanceof LinkTag);
351 LinkTag linkTag = (LinkTag) node[4];
352 assertEquals("Link Text", "Yahoo!\r\n", linkTag.getLinkText());
353 assertEquals("Link URL", "http://www.yahoo.com", linkTag.getLink());
354 assertType("Sixth Node", FormTag.class, node[5]);
355 }
356
357
362 public void testFormScanningShouldNotHappen() throws Exception
363 {
364 String testHTML =
365 "<HTML><HEAD><TITLE>Test Form Tag</TITLE></HEAD>"
366 + "<BODY><FORM name=\"form0\"><INPUT type=\"text\" name=\"text0\"></FORM>"
367 + "</BODY></HTML>";
368 createParser(testHTML);
369 parser.registerScanners();
370 parser.removeScanner(new FormScanner("", parser));
371 Node[] nodes = parser.extractAllNodesThatAre(FormTag.class);
372 assertEquals("shouldnt have found form tag", 0, nodes.length);
373 }
374 }
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