simplehtmltokenizertest.java

Classifier4J是一个很好的基于java的分类器,里面有Native bayes和KNN等方法的文本分类.另外还 提供了分词和自动摘要等功能

/*
 * ====================================================================
 * 
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2003 Nick Lothian. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        developers of Classifier4J (http://classifier4j.sf.net/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 * 4. The name "Classifier4J" must not be used to endorse or promote 
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 *    permission. For written permission, please contact   
 *    http://sourceforge.net/users/nicklothian/.
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 * 5. Products derived from this software may not be called 
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 *    contact http://sourceforge.net/users/nicklothian/.
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package net.sf.classifier4J;

import junit.framework.TestCase;


public class SimpleHTMLTokenizerTest extends TestCase {
    SimpleHTMLTokenizer tokenizer = null;

    /**
     * Constructor for SimpleHTMLTokenizerTest.
     * @param arg0
     */
    public SimpleHTMLTokenizerTest(String arg0) {
        super(arg0);
    }

    /*
     * @see TestCase#setUp()
     */
    protected void setUp() throws Exception {
        tokenizer = new SimpleHTMLTokenizer();
    }

    /*
     * @see TestCase#tearDown()
     */
    protected void tearDown() throws Exception {
        tokenizer = null;
    }

    public void testTokenize() {
        String input = "<h1>This is in an html tag &gt;</h1>";
        String[] expected = { "This", "is", "in", "an", "html", "tag"};
        
        String[] output = tokenizer.tokenize(input);
        assertNotNull(output);
        assertEquals(expected.length, output.length); 
        
        for (int i = 0; i < output.length; i++) {
            assertEquals(expected[i], output[i]);
        }
        
    }

    public void testResolveEntities() {
        String normalString = "this is a normal string";
        assertEquals(normalString, tokenizer.resolveEntities(normalString));
        
        String withEnt = "this includes a non-breaking space ";
        assertEquals(withEnt + " ", tokenizer.resolveEntities(withEnt + "&nbsp;"));
    }

}