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// HTMLParser Library $Name: v1_6 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Somik Raha
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tests/parserHelperTests/StringParserTest.java,v $
// $Author: derrickoswald $
// $Date: 2004/09/02 02:28:15 $
// $Revision: 1.50 $
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
package org.htmlparser.tests.parserHelperTests;
import org.htmlparser.PrototypicalNodeFactory;
import org.htmlparser.Remark;
import org.htmlparser.Text;
import org.htmlparser.tags.HeadTag;
import org.htmlparser.tags.Html;
import org.htmlparser.tags.LinkTag;
import org.htmlparser.tags.MetaTag;
import org.htmlparser.tests.ParserTestCase;
import org.htmlparser.util.ParserException;
public class StringParserTest extends ParserTestCase {
static
{
System.setProperty ("org.htmlparser.tests.parserHelperTests.StringParserTest", "StringParserTest");
}
public StringParserTest(String name) {
super(name);
}
/**
* The bug being reproduced is this : <BR>
* <HTML><HEAD><TITLE>Google</TITLE> <BR>
* The above line is incorrectly parsed in that, the text Google is missed.
* The presence of this bug is typically when some tag is identified before the string node is. (usually seen
* with the end tag). The bug lies in NodeReader.readElement().
* Creation date: (6/17/2001 4:01:06 PM)
*/
public void testTextBug1() throws ParserException {
createParser("<HTML><HEAD><TITLE>Google</TITLE>");
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(5);
// The fourth node should be a Text- with the text - Google
assertTrue("Fourth node should be a Text",node[3] instanceof Text);
Text stringNode = (Text)node[3];
assertEquals("Text of the Text","Google",stringNode.getText());
}
/**
* Test string containing link.
* Bug reported by Kaarle Kaila of Nokia<br>
* For the following HTML :
* view these documents, you must have <A href='http://www.adobe.com'>Adobe <br>
* Acrobat Reader</A> installed on your computer.<br>
* The first string before the link is not identified, and the space after the link is also not identified
* Creation date: (8/2/2001 2:07:32 AM)
*/
public void testTextBug2() throws ParserException {
// Register the link scanner
createParser("view these documents, you must have <A href='http://www.adobe.com'>Adobe \n"+
"Acrobat Reader</A> installed on your computer.");
parseAndAssertNodeCount(3);
// The first node should be a Text- with the text - view these documents, you must have
assertTrue("First node should be a Text",node[0] instanceof Text);
Text stringNode = (Text)node[0];
assertEquals("Text of the Text","view these documents, you must have ",stringNode.getText());
assertTrue("Second node should be a link node",node[1] instanceof LinkTag);
LinkTag linkNode = (LinkTag)node[1];
assertEquals("Link is","http://www.adobe.com",linkNode.getLink());
assertEquals("Link text is","Adobe \nAcrobat Reader",linkNode.getLinkText());
assertTrue("Third node should be a string node",node[2] instanceof Text);
Text stringNode2 = (Text)node[2];
assertEquals("Contents of third node"," installed on your computer.",stringNode2.getText());
}
/**
* Bug reported by Roger Sollberger<br>
* For the following HTML :
* <a href="http://asgard.ch">[< ASGARD ></a><br>
* The string node is not correctly identified
*/
public void testTagCharsInText() throws ParserException {
createParser("<a href=\"http://asgard.ch\">[> ASGARD <]</a>");
parseAndAssertNodeCount(1);
assertTrue("Node identified must be a link tag",node[0] instanceof LinkTag);
LinkTag linkTag = (LinkTag) node[0];
assertEquals("[> ASGARD <]",linkTag.getLinkText());
assertEquals("http://asgard.ch",linkTag.getLink());
}
public void testToPlainTextString() throws ParserException {
createParser("<HTML><HEAD><TITLE>This is the Title</TITLE></HEAD><BODY>Hello World, this is the HTML Parser</BODY></HTML>");
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(10);
assertTrue("Fourth Node identified must be a string node",node[3] instanceof Text);
Text stringNode = (Text)node[3];
assertEquals("First String Node","This is the Title",stringNode.toPlainTextString());
assertTrue("Eighth Node identified must be a string node",node[7] instanceof Text);
stringNode = (Text)node[7];
assertEquals("Second string node","Hello World, this is the HTML Parser",stringNode.toPlainTextString());
}
public void testToHTML() throws ParserException {
createParser("<HTML><HEAD><TITLE>This is the Title</TITLE></HEAD><BODY>Hello World, this is the HTML Parser</BODY></HTML>");
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(10);
assertTrue("Fourth Node identified must be a string node",node[3] instanceof Text);
Text stringNode = (Text)node[3];
assertEquals("First String Node","This is the Title",stringNode.toHtml());
assertTrue("Eighth Node identified must be a string node",node[7] instanceof Text);
stringNode = (Text)node[7];
assertEquals("Second string node","Hello World, this is the HTML Parser",stringNode.toHtml());
}
public void testEmptyLines() throws ParserException {
createParser(
"David Nirenberg (Center for Advanced Study in the Behavorial Sciences, Stanford).<br>\n"+
" \n"+
"<br>"
);
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(4);
assertTrue("Third Node identified must be a string node",node[2] instanceof Text);
}
/**
* This is a bug reported by John Zook (586222), where the first few chars
* before a remark is being missed, if its on the same line.
*/
public void testStringBeingMissedBug() throws ParserException {
createParser(
"Before Comment <!-- Comment --> After Comment"
);
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(3);
assertTrue("First node should be Text",node[0] instanceof Text);
assertTrue("Second node should be Remark",node[1] instanceof Remark);
assertTrue("Third node should be Text",node[2] instanceof Text);
Text stringNode = (Text)node[0];
assertEquals("First String node contents","Before Comment ",stringNode.getText());
Text stringNode2 = (Text)node[2];
assertEquals("Second String node contents"," After Comment",stringNode2.getText());
Remark remarkNode = (Remark)node[1];
assertEquals("Remark Node contents"," Comment ",remarkNode.getText());
}
/**
* Based on a bug report submitted by Cedric Rosa, if the last line contains a single character,
* Text does not return the string node correctly.
*/
public void testLastLineWithOneChar() throws ParserException {
createParser("a");
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(1);
assertTrue("First node should be Text",node[0] instanceof Text);
Text stringNode = (Text)node[0];
assertEquals("First String node contents","a",stringNode.getText());
}
public void testStringWithEmptyLine() throws ParserException {
String text = "a\n\nb";
createParser(text);
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(1);
assertTrue("First node should be Text",node[0] instanceof Text);
Text stringNode = (Text)node[0];
assertStringEquals("First String node contents",text,stringNode.getText());
}
/**
* An attempt to reproduce bug 677176, which passes.
* @throws Exception
*/
public void testStringParserBug() throws Exception {
createParser(
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 " +
"Transitional//EN\">" +
"<html>" +
"<head>" +
"<title>Untitled Document</title>" +
"<meta http-equiv=\"Content-Type\" content=\"text/html; " +
"charset=iso-8859-1\">" +
"</head>" +
"<script language=\"JavaScript\" type=\"text/JavaScript\">" +
"// if this fails, output a 'hello' \n" +
"if (true) " +
"{ " +
"//something good...\n" +
"} " +
"</script>" +
"<body>" +
"</body>" +
"</html>"
);
parseAndAssertNodeCount(2);
assertTrue(node[1] instanceof Html);
Html htmlTag = (Html)node[1];
assertTrue("The HTML tag should have 3 nodes", 3 == htmlTag.getChildCount ());
assertTrue("The first child should be a HEAD tag",htmlTag.getChild(0) instanceof HeadTag);
HeadTag headTag = (HeadTag)htmlTag.getChild(0);
assertTrue("The HEAD tag should have 2 nodes", 2 == headTag.getChildCount ());
assertTrue("The second child should be a META tag",headTag.getChild(1) instanceof MetaTag);
MetaTag metaTag = (MetaTag)headTag.getChild(1);
assertStringEquals(
"content",
"text/html; charset=iso-8859-1",
metaTag.getAttribute("CONTENT")
);
}
public void testStringWithLineBreaks() throws Exception {
String text = "Testing &\nRefactoring";
createParser(text);
parser.setNodeFactory (new PrototypicalNodeFactory (true));
parseAndAssertNodeCount(1);
assertType("first node",Text.class,node[0]);
Text stringNode = (Text)node[0];
assertStringEquals("text",text,stringNode.toPlainTextString());
}
}
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