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From ehatc...@apache.org
Subject cvs commit: jakarta-lucene-sandbox/contributions/analyzers/src/test/org/apache/lucene/analysis/fr TestFrenchAnalyzer.java
Date Thu, 22 Jan 2004 20:49:17 GMT
ehatcher    2004/01/22 12:49:17

  Modified:    contributions/analyzers/src/java/org/apache/lucene/analysis/fr
                        FrenchAnalyzer.java
  Added:       contributions/analyzers/src/test/org/apache/lucene/analysis/fr
                        TestFrenchAnalyzer.java
  Log:
  #26360 from Jean-François Halleux - add test case for FrendAnalyzer
  
  Revision  Changes    Path
  1.2       +161 -101  jakarta-lucene-sandbox/contributions/analyzers/src/java/org/apache/lucene/analysis/fr/FrenchAnalyzer.java
  
  Index: FrenchAnalyzer.java
  ===================================================================
  RCS file: /home/cvs/jakarta-lucene-sandbox/contributions/analyzers/src/java/org/apache/lucene/analysis/fr/FrenchAnalyzer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- FrenchAnalyzer.java	20 Jan 2004 10:07:01 -0000	1.1
  +++ FrenchAnalyzer.java	22 Jan 2004 20:49:16 -0000	1.2
  @@ -1,5 +1,59 @@
   package org.apache.lucene.analysis.fr;
   
  +/* ====================================================================
  + * The Apache Software License, Version 1.1
  + *
  + * Copyright (c) 2004 The Apache Software Foundation.  All rights
  + * reserved.
  + *
  + * Redistribution and use in source and binary forms, with or without
  + * modification, are permitted provided that the following conditions
  + * are met:
  + *
  + * 1. Redistributions of source code must retain the above copyright
  + *    notice, this list of conditions and the following disclaimer.
  + *
  + * 2. Redistributions in binary form must reproduce the above copyright
  + *    notice, this list of conditions and the following disclaimer in
  + *    the documentation and/or other materials provided with the
  + *    distribution.
  + *
  + * 3. The end-user documentation included with the redistribution,
  + *    if any, must include the following acknowledgment:
  + *       "This product includes software developed by the
  + *        Apache Software Foundation (http://www.apache.org/)."
  + *    Alternately, this acknowledgment may appear in the software itself,
  + *    if and wherever such third-party acknowledgments normally appear.
  + *
  + * 4. The names "Apache" and "Apache Software Foundation" and
  + *    "Apache Lucene" must not be used to endorse or promote products
  + *    derived from this software without prior written permission. For
  + *    written permission, please contact apache@apache.org.
  + *
  + * 5. Products derived from this software may not be called "Apache",
  + *    "Apache Lucene", nor may "Apache" appear in their name, without
  + *    prior written permission of the Apache Software Foundation.
  + *
  + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  + * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  + * SUCH DAMAGE.
  + * ====================================================================
  + *
  + * This software consists of voluntary contributions made by many
  + * individuals on behalf of the Apache Software Foundation.  For more
  + * information on the Apache Software Foundation, please see
  + * <http://www.apache.org/>.
  + */
  +
   import org.apache.lucene.analysis.Analyzer;
   import org.apache.lucene.analysis.LowerCaseFilter;
   import org.apache.lucene.analysis.StopFilter;
  @@ -19,108 +73,114 @@
    * exclusionlist is empty by default.
    *
    * @author    Patrick Talbot (based on Gerhard Schwarz work for German)
  - * @version   $Id$
    */
   public final class FrenchAnalyzer extends Analyzer {
   
  -	/**
  -	 * Extended list of typical french stopwords.
  -	 */
  -	private String[] FRENCH_STOP_WORDS = {
  -		"a", "afin", "ai", "ainsi", "aprs", "attendu", "au", "aujourd", "auquel", "aussi",
  -		"autre", "autres", "aux", "auxquelles", "auxquels", "avait", "avant", "avec", "avoir",
  -		"c", "car", "ce", "ceci", "cela", "celle", "celles", "celui", "cependant", "certain",
  -		"certaine", "certaines", "certains", "ces", "cet", "cette", "ceux", "chez", "ci",
  -		"combien", "comme", "comment", "concernant", "contre", "d", "dans", "de", "debout",
  -		"dedans", "dehors", "del", "depuis", "derrire", "des", "dsormais", "desquelles",
  -		"desquels", "dessous", "dessus", "devant", "devers", "devra", "divers", "diverse",
  -		"diverses", "doit", "donc", "dont", "du", "duquel", "durant", "ds", "elle", "elles",
  -		"en", "entre", "environ", "est", "et", "etc", "etre", "eu", "eux", "except", "hormis",
  -		"hors", "hlas", "hui", "il", "ils", "j", "je", "jusqu", "jusque", "l", "la", "laquelle",
  -		"le", "lequel", "les", "lesquelles", "lesquels", "leur", "leurs", "lorsque", "lui", "l",
  -		"ma", "mais", "malgr", "me", "merci", "mes", "mien", "mienne", "miennes", "miens", "moi",
  -		"moins", "mon", "moyennant", "mme", "mmes", "n", "ne", "ni", "non", "nos", "notre",
  -		"nous", "nanmoins", "ntre", "ntres", "on", "ont", "ou", "outre", "o", "par", "parmi",
  -		"partant", "pas", "pass", "pendant", "plein", "plus", "plusieurs", "pour", "pourquoi",
  -		"proche", "prs", "puisque", "qu", "quand", "que", "quel", "quelle", "quelles", "quels",
  -		"qui", "quoi", "quoique", "revoici", "revoil", "s", "sa", "sans", "sauf", "se", "selon",
  -		"seront", "ses", "si", "sien", "sienne", "siennes", "siens", "sinon", "soi", "soit",
  -		"son", "sont", "sous", "suivant", "sur", "ta", "te", "tes", "tien", "tienne", "tiennes",
  -		"tiens", "toi", "ton", "tous", "tout", "toute", "toutes", "tu", "un", "une", "va", "vers",
  -		"voici", "voil", "vos", "votre", "vous", "vu", "vtre", "vtres", "y", "", "a", "s",
  -		"t", "tre", ""
  -	};
  -
  -	/**
  -	 * Contains the stopwords used with the StopFilter.
  -	 */
  -	private Hashtable stoptable = new Hashtable();
  -	/**
  -	 * Contains words that should be indexed but not stemmed.
  -	 */
  -	private Hashtable excltable = new Hashtable();
  -
  -	/**
  -	 * Builds an analyzer.
  -	 */
  -	public FrenchAnalyzer() {
  -		stoptable = StopFilter.makeStopTable( FRENCH_STOP_WORDS );
  -	}
  -
  -	/**
  -	 * Builds an analyzer with the given stop words.
  -	 */
  -	public FrenchAnalyzer( String[] stopwords ) {
  -		stoptable = StopFilter.makeStopTable( stopwords );
  -	}
  -
  -	/**
  -	 * Builds an analyzer with the given stop words.
  -	 */
  -	public FrenchAnalyzer( Hashtable stopwords ) {
  -		stoptable = stopwords;
  -	}
  -
  -	/**
  -	 * Builds an analyzer with the given stop words.
  -	 */
  -	public FrenchAnalyzer( File stopwords ) {
  -		stoptable = WordlistLoader.getWordtable( stopwords );
  -	}
  -
  -	/**
  -	 * Builds an exclusionlist from an array of Strings.
  -	 */
  -	public void setStemExclusionTable( String[] exclusionlist ) {
  -		excltable = StopFilter.makeStopTable( exclusionlist );
  -	}
  -	/**
  -	 * Builds an exclusionlist from a Hashtable.
  -	 */
  -	public void setStemExclusionTable( Hashtable exclusionlist ) {
  -		excltable = exclusionlist;
  -	}
  -	/**
  -	 * Builds an exclusionlist from the words contained in the given file.
  -	 */
  -	public void setStemExclusionTable( File exclusionlist ) {
  -		excltable = WordlistLoader.getWordtable( exclusionlist );
  -	}
  -
  -	/**
  -	 * Creates a TokenStream which tokenizes all the text in the provided Reader.
  -	 *
  -	 * @return  A TokenStream build from a StandardTokenizer filtered with
  -	 * 			StandardFilter, StopFilter, FrenchStemFilter and LowerCaseFilter
  -	 */
  -	public final TokenStream tokenStream( String fieldName, Reader reader ) {
  -		TokenStream result = new StandardTokenizer( reader );
  -		result = new StandardFilter( result );
  -		result = new StopFilter( result, stoptable );
  -		result = new FrenchStemFilter( result, excltable );
  -		// Convert to lowercase after stemming!
  -		result = new LowerCaseFilter( result );
  -		return result;
  -	}
  +  /**
  +   * Extended list of typical french stopwords.
  +   */
  +  private String[] FRENCH_STOP_WORDS = {
  +    "a", "afin", "ai", "ainsi", "après", "attendu", "au", "aujourd", "auquel", "aussi",
  +    "autre", "autres", "aux", "auxquelles", "auxquels", "avait", "avant", "avec", "avoir",
  +    "c", "car", "ce", "ceci", "cela", "celle", "celles", "celui", "cependant", "certain",
  +    "certaine", "certaines", "certains", "ces", "cet", "cette", "ceux", "chez", "ci",
  +    "combien", "comme", "comment", "concernant", "contre", "d", "dans", "de", "debout",
  +    "dedans", "dehors", "delà", "depuis", "derrière", "des", "désormais", "desquelles",
  +    "desquels", "dessous", "dessus", "devant", "devers", "devra", "divers", "diverse",
  +    "diverses", "doit", "donc", "dont", "du", "duquel", "durant", "dès", "elle", "elles",
  +    "en", "entre", "environ", "est", "et", "etc", "etre", "eu", "eux", "excepté", "hormis",
  +    "hors", "hélas", "hui", "il", "ils", "j", "je", "jusqu", "jusque", "l", "la", "laquelle",
  +    "le", "lequel", "les", "lesquelles", "lesquels", "leur", "leurs", "lorsque", "lui",
"là",
  +    "ma", "mais", "malgré", "me", "merci", "mes", "mien", "mienne", "miennes", "miens",
"moi",
  +    "moins", "mon", "moyennant", "même", "mêmes", "n", "ne", "ni", "non", "nos",
"notre",
  +    "nous", "néanmoins", "nôtre", "nôtres", "on", "ont", "ou", "outre", "où",
"par", "parmi",
  +    "partant", "pas", "passé", "pendant", "plein", "plus", "plusieurs", "pour", "pourquoi",
  +    "proche", "près", "puisque", "qu", "quand", "que", "quel", "quelle", "quelles",
"quels",
  +    "qui", "quoi", "quoique", "revoici", "revoilà", "s", "sa", "sans", "sauf", "se",
"selon",
  +    "seront", "ses", "si", "sien", "sienne", "siennes", "siens", "sinon", "soi", "soit",
  +    "son", "sont", "sous", "suivant", "sur", "ta", "te", "tes", "tien", "tienne", "tiennes",
  +    "tiens", "toi", "ton", "tous", "tout", "toute", "toutes", "tu", "un", "une", "va",
"vers",
  +    "voici", "voilà", "vos", "votre", "vous", "vu", "vôtre", "vôtres", "y", "à",
"ça", "ès",
  +    "été", "être", "ô"
  +  };
  +
  +  /**
  +   * Contains the stopwords used with the StopFilter.
  +   */
  +  private Hashtable stoptable = new Hashtable();
  +  /**
  +   * Contains words that should be indexed but not stemmed.
  +   */
  +  private Hashtable excltable = new Hashtable();
  +
  +  /**
  +   * Builds an analyzer.
  +   */
  +  public FrenchAnalyzer() {
  +    stoptable = StopFilter.makeStopTable(FRENCH_STOP_WORDS);
  +  }
  +
  +  /**
  +   * Builds an analyzer with the given stop words.
  +   */
  +  public FrenchAnalyzer(String[] stopwords) {
  +    stoptable = StopFilter.makeStopTable(stopwords);
  +  }
  +
  +  /**
  +   * Builds an analyzer with the given stop words.
  +   */
  +  public FrenchAnalyzer(Hashtable stopwords) {
  +    stoptable = stopwords;
  +  }
  +
  +  /**
  +   * Builds an analyzer with the given stop words.
  +   */
  +  public FrenchAnalyzer(File stopwords) {
  +    stoptable = WordlistLoader.getWordtable(stopwords);
  +  }
  +
  +  /**
  +   * Builds an exclusionlist from an array of Strings.
  +   */
  +  public void setStemExclusionTable(String[] exclusionlist) {
  +    excltable = StopFilter.makeStopTable(exclusionlist);
  +  }
  +
  +  /**
  +   * Builds an exclusionlist from a Hashtable.
  +   */
  +  public void setStemExclusionTable(Hashtable exclusionlist) {
  +    excltable = exclusionlist;
  +  }
  +
  +  /**
  +   * Builds an exclusionlist from the words contained in the given file.
  +   */
  +  public void setStemExclusionTable(File exclusionlist) {
  +    excltable = WordlistLoader.getWordtable(exclusionlist);
  +  }
  +
  +  /**
  +   * Creates a TokenStream which tokenizes all the text in the provided Reader.
  +   *
  +   * @return  A TokenStream build from a StandardTokenizer filtered with
  +   * 			StandardFilter, StopFilter, FrenchStemFilter and LowerCaseFilter
  +   */
  +  public final TokenStream tokenStream(String fieldName, Reader reader) {
  +
  +    if (fieldName == null)
  +      throw new IllegalArgumentException
  +        ("fieldName must not be null");
  +    if (reader == null) throw new IllegalArgumentException("reader must not be null");
  +
  +    TokenStream result = new StandardTokenizer(reader);
  +    result = new StandardFilter(result);
  +    result = new StopFilter(result, stoptable);
  +    result = new FrenchStemFilter(result, excltable);
  +    // Convert to lowercase after stemming!
  +    result = new LowerCaseFilter(result);
  +    return result;
  +  }
   }
  -
  
  
  
  1.1                  jakarta-lucene-sandbox/contributions/analyzers/src/test/org/apache/lucene/analysis/fr/TestFrenchAnalyzer.java
  
  Index: TestFrenchAnalyzer.java
  ===================================================================
  package org.apache.lucene.analysis.fr;
  
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2004 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *    "Apache Lucene" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    "Apache Lucene", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  import java.io.StringReader;
  
  import junit.framework.TestCase;
  
  import org.apache.lucene.analysis.Analyzer;
  import org.apache.lucene.analysis.Token;
  import org.apache.lucene.analysis.TokenStream;
  
  /**
   * Test case for FrenchAnalyzer.
   *
   * @author    Jean-Fran̤ois Halleux
   */
  public class TestFrenchAnalyzer extends TestCase {
  
    public void assertAnalyzesTo(Analyzer a, String input, String[] output)
      throws Exception {
  
      TokenStream ts = a.tokenStream("dummy", new StringReader
        (input));
  
      for (int i = 0; i < output.length; i++) {
        Token t = ts.next();
        assertNotNull(t);
        assertEquals(t.termText(), output[i]);
      }
      assertNull(ts.next());
      ts.close();
    }
  
    public void testAnalyzer() throws Exception {
      FrenchAnalyzer fa = new FrenchAnalyzer();
  
      // test null reader
      boolean iaeFlag = false;
      try {
        TokenStream ts = fa.tokenStream("dummy", null);
      } catch (IllegalArgumentException iae) {
        iaeFlag = true;
      }
      assertEquals(iaeFlag, true);
  
      // test null fieldname
      iaeFlag = true;
      try {
        TokenStream ts = fa.tokenStream(null, new StringReader
          ("dummy"));
      } catch (IllegalArgumentException iae) {
        iaeFlag = true;
      }
      assertEquals(iaeFlag, true);
  
      assertAnalyzesTo(fa, "", new String[]{
      });
  
      assertAnalyzesTo(
        fa,
        "chien chat cheval",
        new String[]{"chien", "chat", "cheval"});
  
      assertAnalyzesTo(
        fa,
        "chien CHAT CHEVAL",
        new String[]{"chien", "chat", "cheval"});
  
      assertAnalyzesTo(
        fa,
        "  chien  ,? + = -  CHAT /: > CHEVAL",
        new String[]{"chien", "chat", "cheval"});
  
      assertAnalyzesTo(fa, "chien++", new String[]{"chien"});
  
      assertAnalyzesTo(
        fa,
        "mot \"entreguillemet\"",
        new String[]{"mot", "entreguillemet"});
  
      // let's do some french specific tests now
  
      // 1. couldn't resist
      // I would expect this to stay one term as in French the minus sign
      // is often used for composing words
      assertAnalyzesTo(
        fa,
        "Jean-Fran̤ois",
        new String[]{"jean", "fran̤ois"});
  
      // 2. stopwords
      assertAnalyzesTo(
        fa,
        "le la chien les aux chat du des  cheval",
        new String[]{"chien", "chat", "cheval"});
  
      // some nouns and adjectives
      assertAnalyzesTo(
        fa,
        "lances chismes habitable chiste ̩l̩ments captifs",
        new String[]{
          "lanc",
          "chism",
          "habit",
          "chist",
          "̩l̩ment",
          "captif"});
  
      // some verbs
      assertAnalyzesTo(
        fa,
        "finissions souffrirent rugissante",
        new String[]{"fin", "souffr", "rug"});
  
      // some everything else
      // aujourd'hui stays one term which is OK
      assertAnalyzesTo(
        fa,
        "C3PO aujourd'hui oeuf ̢̦? anticonstitutionnellement Java++",
      new String[]{
        "c3po",
        "aujourd'hui",
        "oeuf",
        "̢̦?",
        "anticonstitutionnel",
        "jav"});
  
      // some more everything else
      // here 1940-1945 stays as one term, 1940:1945 not ?
      assertAnalyzesTo(
        fa,
        "33Bis 1940-1945 1940:1945 (---i+++)*",
        new String[]{"33bis", "1940-1945", "1940", "1945", "i" });
  
        }
  
    }
  
  
  

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