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Posted to commits@lucene.apache.org by jp...@apache.org on 2013/05/07 15:11:49 UTC

svn commit: r1479892 - in /lucene/dev/branches/branch_4x: ./ lucene/ lucene/analysis/ lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/ lucene/analysis/common/src/test/org/apache/lucene/analysis/core/ lucene/analysis/common/src/test/org...

Author: jpountz
Date: Tue May  7 13:11:49 2013
New Revision: 1479892

URL: http://svn.apache.org/r1479892
Log:
LUCENE-3907: Fix EdgeNGramTokenizer and EdgeNGramTokenFilter to not generate corrupt token stream graphs.

Modified:
    lucene/dev/branches/branch_4x/   (props changed)
    lucene/dev/branches/branch_4x/lucene/   (props changed)
    lucene/dev/branches/branch_4x/lucene/CHANGES.txt   (contents, props changed)
    lucene/dev/branches/branch_4x/lucene/analysis/   (props changed)
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramFilterFactory.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilter.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizer.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerFactory.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/core/TestRandomChains.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilterTest.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerTest.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/TestNGramFilters.java
    lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/BaseTokenStreamFactoryTestCase.java
    lucene/dev/branches/branch_4x/lucene/classification/   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/src/   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java

Modified: lucene/dev/branches/branch_4x/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/CHANGES.txt?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/CHANGES.txt (original)
+++ lucene/dev/branches/branch_4x/lucene/CHANGES.txt Tue May  7 13:11:49 2013
@@ -37,6 +37,13 @@ Changes in backwards compatibility polic
   suggesters, you now need to call setPreservePositionIncrements(false) instead
   of configuring the token filters to not increment positions. (Adrien Grand)
 
+* LUCENE-3907: EdgeNGramTokenizer now supports maxGramSize > 1024, doesn't trim
+  the input, sets position increment = 1 for all tokens and doesn't support
+  backward grams anymore. (Adrien Grand)
+
+* LUCENE-3907: EdgeNGramTokenFilter does not support backward grams and does
+  not update offsets anymore. (Adrien Grand)
+
 Bug Fixes
 
 * LUCENE-4935: CustomScoreQuery wrongly applied its query boost twice 

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramFilterFactory.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramFilterFactory.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramFilterFactory.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramFilterFactory.java Tue May  7 13:11:49 2013
@@ -49,6 +49,6 @@ public class EdgeNGramFilterFactory exte
 
   @Override
   public EdgeNGramTokenFilter create(TokenStream input) {
-    return new EdgeNGramTokenFilter(input, side, minGramSize, maxGramSize);
+    return new EdgeNGramTokenFilter(luceneMatchVersion, input, side, minGramSize, maxGramSize);
   }
 }

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilter.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilter.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilter.java Tue May  7 13:11:49 2013
@@ -19,9 +19,11 @@ package org.apache.lucene.analysis.ngram
 
 import org.apache.lucene.analysis.TokenFilter;
 import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.analysis.reverse.ReverseStringFilter;
 import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
+import org.apache.lucene.util.Version;
 
 import java.io.IOException;
 
@@ -29,7 +31,9 @@ import java.io.IOException;
  * Tokenizes the given token into n-grams of given size(s).
  * <p>
  * This {@link TokenFilter} create n-grams from the beginning edge or ending edge of a input token.
- * </p>
+ * <p><a name="version"/>As of Lucene 4.4, this filter does not support
+ * {@link Side#BACK} (you can use {@link ReverseStringFilter} up-front and
+ * afterward to get the same behavior) and does not update offsets anymore.
  */
 public final class EdgeNGramTokenFilter extends TokenFilter {
   public static final Side DEFAULT_SIDE = Side.FRONT;
@@ -46,6 +50,7 @@ public final class EdgeNGramTokenFilter 
     },
 
     /** Get the n-gram from the end of the input */
+    @Deprecated
     BACK  {
       @Override
       public String getLabel() { return "back"; }
@@ -65,6 +70,7 @@ public final class EdgeNGramTokenFilter 
     }
   }
 
+  private final Version version;
   private final int minGram;
   private final int maxGram;
   private Side side;
@@ -73,7 +79,7 @@ public final class EdgeNGramTokenFilter 
   private int curGramSize;
   private int tokStart;
   private int tokEnd; // only used if the length changed before this filter
-  private boolean hasIllegalOffsets; // only if the length changed before this filter
+  private boolean updateOffsets; // never if the length changed before this filter
   private int savePosIncr;
   private boolean isFirstToken = true;
   
@@ -84,14 +90,24 @@ public final class EdgeNGramTokenFilter 
   /**
    * Creates EdgeNGramTokenFilter that can generate n-grams in the sizes of the given range
    *
+   * @param version the <a href="#version">Lucene match version</a>
    * @param input {@link TokenStream} holding the input to be tokenized
    * @param side the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenFilter(TokenStream input, Side side, int minGram, int maxGram) {
+  @Deprecated
+  public EdgeNGramTokenFilter(Version version, TokenStream input, Side side, int minGram, int maxGram) {
     super(input);
 
+    if (version == null) {
+      throw new IllegalArgumentException("version must not be null");
+    }
+
+    if (version.onOrAfter(Version.LUCENE_44) && side == Side.BACK) {
+      throw new IllegalArgumentException("Side.BACK is not supported anymore as of Lucene 4.4, use ReverseStringFilter up-front and afterward");
+    }
+
     if (side == null) {
       throw new IllegalArgumentException("sideLabel must be either front or back");
     }
@@ -104,6 +120,7 @@ public final class EdgeNGramTokenFilter 
       throw new IllegalArgumentException("minGram must not be greater than maxGram");
     }
 
+    this.version = version;
     this.minGram = minGram;
     this.maxGram = maxGram;
     this.side = side;
@@ -112,13 +129,27 @@ public final class EdgeNGramTokenFilter 
   /**
    * Creates EdgeNGramTokenFilter that can generate n-grams in the sizes of the given range
    *
+   * @param version the <a href="#version">Lucene match version</a>
    * @param input {@link TokenStream} holding the input to be tokenized
    * @param sideLabel the name of the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenFilter(TokenStream input, String sideLabel, int minGram, int maxGram) {
-    this(input, Side.getSide(sideLabel), minGram, maxGram);
+  @Deprecated
+  public EdgeNGramTokenFilter(Version version, TokenStream input, String sideLabel, int minGram, int maxGram) {
+    this(version, input, Side.getSide(sideLabel), minGram, maxGram);
+  }
+
+  /**
+   * Creates EdgeNGramTokenFilter that can generate n-grams in the sizes of the given range
+   *
+   * @param version the <a href="#version">Lucene match version</a>
+   * @param input {@link TokenStream} holding the input to be tokenized
+   * @param minGram the smallest n-gram to generate
+   * @param maxGram the largest n-gram to generate
+   */
+  public EdgeNGramTokenFilter(Version version, TokenStream input, int minGram, int maxGram) {
+    this(version, input, Side.FRONT, minGram, maxGram);
   }
 
   @Override
@@ -133,9 +164,14 @@ public final class EdgeNGramTokenFilter 
           curGramSize = minGram;
           tokStart = offsetAtt.startOffset();
           tokEnd = offsetAtt.endOffset();
-          // if length by start + end offsets doesn't match the term text then assume
-          // this is a synonym and don't adjust the offsets.
-          hasIllegalOffsets = (tokStart + curTermLength) != tokEnd;
+          if (version.onOrAfter(Version.LUCENE_44)) {
+            // Never update offsets
+            updateOffsets = false;
+          } else {
+            // if length by start + end offsets doesn't match the term text then assume
+            // this is a synonym and don't adjust the offsets.
+            updateOffsets = (tokStart + curTermLength) == tokEnd;
+          }
           savePosIncr = posIncrAtt.getPositionIncrement();
         }
       }
@@ -145,10 +181,10 @@ public final class EdgeNGramTokenFilter 
           int start = side == Side.FRONT ? 0 : curTermLength - curGramSize;
           int end = start + curGramSize;
           clearAttributes();
-          if (hasIllegalOffsets) {
-            offsetAtt.setOffset(tokStart, tokEnd);
-          } else {
+          if (updateOffsets) {
             offsetAtt.setOffset(tokStart + start, tokStart + end);
+          } else {
+            offsetAtt.setOffset(tokStart, tokEnd);
           }
           // first ngram gets increment, others don't
           if (curGramSize == minGram) {

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizer.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizer.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizer.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizer.java Tue May  7 13:11:49 2013
@@ -24,19 +24,26 @@ import org.apache.lucene.analysis.Tokeni
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
 import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
+import org.apache.lucene.util.ArrayUtil;
+import org.apache.lucene.util.Version;
 
 /**
  * Tokenizes the input from an edge into n-grams of given size(s).
  * <p>
  * This {@link Tokenizer} create n-grams from the beginning edge or ending edge of a input token.
- * MaxGram can't be larger than 1024 because of limitation.
- * </p>
+ * <p><a name="version" /> As of Lucene 4.4, this tokenizer<ul>
+ * <li>can handle <code>maxGram</code> larger than 1024 chars, but beware that this will result in increased memory usage
+ * <li>doesn't trim the input,
+ * <li>sets position increments equal to 1 instead of 1 for the first token and 0 for all other ones
+ * <li>doesn't support {@link Side#BACK} anymore.
+ * </ul>
  */
 public final class EdgeNGramTokenizer extends Tokenizer {
   public static final Side DEFAULT_SIDE = Side.FRONT;
   public static final int DEFAULT_MAX_GRAM_SIZE = 1;
   public static final int DEFAULT_MIN_GRAM_SIZE = 1;
-  
+
+  private Version version;
   private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
   private final OffsetAttribute offsetAtt = addAttribute(OffsetAttribute.class);
   private final PositionIncrementAttribute posIncrAtt = addAttribute(PositionIncrementAttribute.class);
@@ -51,6 +58,7 @@ public final class EdgeNGramTokenizer ex
     },
 
     /** Get the n-gram from the end of the input */
+    @Deprecated
     BACK  {
       @Override
       public String getLabel() { return "back"; }
@@ -83,56 +91,95 @@ public final class EdgeNGramTokenizer ex
   /**
    * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
    *
+   * @param version the <a href="#version">Lucene match version</a>
    * @param input {@link Reader} holding the input to be tokenized
    * @param side the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenizer(Reader input, Side side, int minGram, int maxGram) {
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, Reader input, Side side, int minGram, int maxGram) {
     super(input);
-    init(side, minGram, maxGram);
+    init(version, side, minGram, maxGram);
   }
 
   /**
    * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
    * 
+   * @param version the <a href="#version">Lucene match version</a>
    * @param factory {@link org.apache.lucene.util.AttributeSource.AttributeFactory} to use
    * @param input {@link Reader} holding the input to be tokenized
    * @param side the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenizer(AttributeFactory factory, Reader input, Side side, int minGram, int maxGram) {
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, AttributeFactory factory, Reader input, Side side, int minGram, int maxGram) {
     super(factory, input);
-    init(side, minGram, maxGram);
+    init(version, side, minGram, maxGram);
   }
   
   /**
    * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
    *
+   * @param version the <a href="#version">Lucene match version</a>
    * @param input {@link Reader} holding the input to be tokenized
    * @param sideLabel the name of the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenizer(Reader input, String sideLabel, int minGram, int maxGram) {
-    this(input, Side.getSide(sideLabel), minGram, maxGram);
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, Reader input, String sideLabel, int minGram, int maxGram) {
+    this(version, input, Side.getSide(sideLabel), minGram, maxGram);
   }
 
   /**
    * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
-   * 
+   *
+   * @param version the <a href="#version">Lucene match version</a>
    * @param factory {@link org.apache.lucene.util.AttributeSource.AttributeFactory} to use
    * @param input {@link Reader} holding the input to be tokenized
    * @param sideLabel the name of the {@link Side} from which to chop off an n-gram
    * @param minGram the smallest n-gram to generate
    * @param maxGram the largest n-gram to generate
    */
-  public EdgeNGramTokenizer(AttributeFactory factory, Reader input, String sideLabel, int minGram, int maxGram) {
-    this(factory, input, Side.getSide(sideLabel), minGram, maxGram);
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, AttributeFactory factory, Reader input, String sideLabel, int minGram, int maxGram) {
+    this(version, factory, input, Side.getSide(sideLabel), minGram, maxGram);
   }
-  
-  private void init(Side side, int minGram, int maxGram) {
+
+  /**
+   * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
+   *
+   * @param version the <a href="#version">Lucene match version</a>
+   * @param input {@link Reader} holding the input to be tokenized
+   * @param minGram the smallest n-gram to generate
+   * @param maxGram the largest n-gram to generate
+   */
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, Reader input, int minGram, int maxGram) {
+    this(version, input, Side.FRONT, minGram, maxGram);
+  }
+
+  /**
+   * Creates EdgeNGramTokenizer that can generate n-grams in the sizes of the given range
+   *
+   * @param version the <a href="#version">Lucene match version</a>
+   * @param factory {@link org.apache.lucene.util.AttributeSource.AttributeFactory} to use
+   * @param input {@link Reader} holding the input to be tokenized
+   * @param minGram the smallest n-gram to generate
+   * @param maxGram the largest n-gram to generate
+   */
+  @Deprecated
+  public EdgeNGramTokenizer(Version version, AttributeFactory factory, Reader input, int minGram, int maxGram) {
+    this(version, factory, input, Side.FRONT, minGram, maxGram);
+  }
+
+  private void init(Version version, Side side, int minGram, int maxGram) {
+    if (version == null) {
+      throw new IllegalArgumentException("version must not be null");
+    }
+
     if (side == null) {
       throw new IllegalArgumentException("sideLabel must be either front or back");
     }
@@ -145,6 +192,15 @@ public final class EdgeNGramTokenizer ex
       throw new IllegalArgumentException("minGram must not be greater than maxGram");
     }
 
+    if (version.onOrAfter(Version.LUCENE_44)) {
+      if (side == Side.BACK) {
+        throw new IllegalArgumentException("Side.BACK is not supported anymore as of Lucene 4.4");
+      }
+    } else {
+      maxGram = Math.min(maxGram, 1024);
+    }
+
+    this.version = version;
     this.minGram = minGram;
     this.maxGram = maxGram;
     this.side = side;
@@ -158,20 +214,29 @@ public final class EdgeNGramTokenizer ex
     if (!started) {
       started = true;
       gramSize = minGram;
-      char[] chars = new char[1024];
+      final int limit = side == Side.FRONT ? maxGram : 1024;
+      char[] chars = new char[Math.min(1024, limit)];
       charsRead = 0;
       // TODO: refactor to a shared readFully somewhere:
-      while (charsRead < chars.length) {
+      boolean exhausted = false;
+      while (charsRead < limit) {
         final int inc = input.read(chars, charsRead, chars.length-charsRead);
         if (inc == -1) {
+          exhausted = true;
           break;
         }
         charsRead += inc;
+        if (charsRead == chars.length && charsRead < limit) {
+          chars = ArrayUtil.grow(chars);
+        }
       }
 
-      inStr = new String(chars, 0, charsRead).trim();  // remove any trailing empty strings 
+      inStr = new String(chars, 0, charsRead);
+      if (!version.onOrAfter(Version.LUCENE_44)) {
+        inStr = inStr.trim();
+      }
 
-      if (charsRead == chars.length) {
+      if (!exhausted) {
         // Read extra throwaway chars so that on end() we
         // report the correct offset:
         char[] throwaway = new char[1024];
@@ -189,6 +254,8 @@ public final class EdgeNGramTokenizer ex
         return false;
       }
       posIncrAtt.setPositionIncrement(1);
+    } else if (version.onOrAfter(Version.LUCENE_44)) {
+      posIncrAtt.setPositionIncrement(1);
     } else {
       posIncrAtt.setPositionIncrement(0);
     }
@@ -199,7 +266,7 @@ public final class EdgeNGramTokenizer ex
     }
 
     // if we have hit the end of our n-gram size range, quit
-    if (gramSize > maxGram) {
+    if (gramSize > maxGram || gramSize > inLen) {
       return false;
     }
 

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerFactory.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerFactory.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerFactory.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/java/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerFactory.java Tue May  7 13:11:49 2013
@@ -50,6 +50,6 @@ public class EdgeNGramTokenizerFactory e
   
   @Override
   public EdgeNGramTokenizer create(AttributeFactory factory, Reader input) {
-    return new EdgeNGramTokenizer(factory, input, side, minGramSize, maxGramSize);
+    return new EdgeNGramTokenizer(luceneMatchVersion, factory, input, side, minGramSize, maxGramSize);
   }
 }

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/core/TestRandomChains.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/core/TestRandomChains.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/core/TestRandomChains.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/core/TestRandomChains.java Tue May  7 13:11:49 2013
@@ -153,17 +153,6 @@ public class TestRandomChains extends Ba
           // Not broken: we forcefully add this, so we shouldn't
           // also randomly pick it:
           ValidatingTokenFilter.class,
-          // NOTE: these by themselves won't cause any 'basic assertions' to fail.
-          // but see https://issues.apache.org/jira/browse/LUCENE-3920, if any 
-          // tokenfilter that combines words (e.g. shingles) comes after them,
-          // this will create bogus offsets because their 'offsets go backwards',
-          // causing shingle or whatever to make a single token with a 
-          // startOffset thats > its endOffset
-          // (see LUCENE-3738 for a list of other offenders here)
-          // broken!
-          EdgeNGramTokenizer.class,
-          // broken!
-          EdgeNGramTokenFilter.class,
           // broken!
           WordDelimiterFilter.class)) {
         for (Constructor<?> ctor : c.getConstructors()) {

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilterTest.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilterTest.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilterTest.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenFilterTest.java Tue May  7 13:11:49 2013
@@ -27,6 +27,7 @@ import org.apache.lucene.analysis.core.K
 import org.apache.lucene.analysis.core.WhitespaceTokenizer;
 import org.apache.lucene.analysis.miscellaneous.ASCIIFoldingFilter;
 import org.apache.lucene.analysis.position.PositionFilter;
+import org.apache.lucene.util.Version;
 
 import java.io.Reader;
 import java.io.StringReader;
@@ -47,7 +48,7 @@ public class EdgeNGramTokenFilterTest ex
   public void testInvalidInput() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 0, 0);
+      new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 0, 0);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -57,7 +58,7 @@ public class EdgeNGramTokenFilterTest ex
   public void testInvalidInput2() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 2, 1);
+      new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 2, 1);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -67,7 +68,7 @@ public class EdgeNGramTokenFilterTest ex
   public void testInvalidInput3() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, -1, 2);
+      new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, -1, 2);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -75,27 +76,27 @@ public class EdgeNGramTokenFilterTest ex
   }
 
   public void testFrontUnigram() throws Exception {
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 1, 1);
-    assertTokenStreamContents(tokenizer, new String[]{"a"}, new int[]{0}, new int[]{1});
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 1, 1);
+    assertTokenStreamContents(tokenizer, new String[]{"a"}, new int[]{0}, new int[]{5});
   }
 
   public void testBackUnigram() throws Exception {
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.BACK, 1, 1);
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(Version.LUCENE_43, input, EdgeNGramTokenFilter.Side.BACK, 1, 1);
     assertTokenStreamContents(tokenizer, new String[]{"e"}, new int[]{4}, new int[]{5});
   }
 
   public void testOversizedNgrams() throws Exception {
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 6, 6);
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 6, 6);
     assertTokenStreamContents(tokenizer, new String[0], new int[0], new int[0]);
   }
 
   public void testFrontRangeOfNgrams() throws Exception {
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
-    assertTokenStreamContents(tokenizer, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3});
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
+    assertTokenStreamContents(tokenizer, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{5,5,5});
   }
 
   public void testBackRangeOfNgrams() throws Exception {
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.BACK, 1, 3);
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(Version.LUCENE_43, input, EdgeNGramTokenFilter.Side.BACK, 1, 3);
     assertTokenStreamContents(tokenizer,
                               new String[]{"e","de","cde"},
                               new int[]{4,3,2},
@@ -109,11 +110,11 @@ public class EdgeNGramTokenFilterTest ex
 
   public void testFilterPositions() throws Exception {
     TokenStream ts = new MockTokenizer(new StringReader("abcde vwxyz"), MockTokenizer.WHITESPACE, false);
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(ts, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, ts, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
     assertTokenStreamContents(tokenizer,
                               new String[]{"a","ab","abc","v","vw","vwx"},
                               new int[]{0,0,0,6,6,6},
-                              new int[]{1,2,3,7,8,9},
+                              new int[]{5,5,5,11,11,11},
                               null,
                               new int[]{1,0,0,1,0,0},
                               null,
@@ -124,43 +125,30 @@ public class EdgeNGramTokenFilterTest ex
   public void testFirstTokenPositionIncrement() throws Exception {
     TokenStream ts = new MockTokenizer(new StringReader("a abc"), MockTokenizer.WHITESPACE, false);
     ts = new PositionFilter(ts, 0); // All but first token will get 0 position increment
-    EdgeNGramTokenFilter filter = new EdgeNGramTokenFilter(ts, EdgeNGramTokenFilter.Side.FRONT, 2, 3);
+    EdgeNGramTokenFilter filter = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, ts, EdgeNGramTokenFilter.Side.FRONT, 2, 3);
     // The first token "a" will not be output, since it's smaller than the mingram size of 2.
     // The second token on input to EdgeNGramTokenFilter will have position increment of 0,
     // which should be increased to 1, since this is the first output token in the stream.
     assertTokenStreamContents(filter,
         new String[] { "ab", "abc" },
         new int[]    {    2,     2 },
-        new int[]    {    4,     5 },
+        new int[]    {    5,     5 },
         new int[]    {    1,     0 }
     );
   }
-
-  public void testTokenizerPositions() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(new StringReader("abcde"), EdgeNGramTokenizer.Side.FRONT, 1, 3);
-    assertTokenStreamContents(tokenizer,
-                              new String[]{"a","ab","abc"},
-                              new int[]{0,0,0},
-                              new int[]{1,2,3},
-                              null,
-                              new int[]{1,0,0},
-                              null,
-                              null,
-                              false);
-  }
   
   public void testSmallTokenInStream() throws Exception {
     input = new MockTokenizer(new StringReader("abc de fgh"), MockTokenizer.WHITESPACE, false);
-    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(input, EdgeNGramTokenFilter.Side.FRONT, 3, 3);
+    EdgeNGramTokenFilter tokenizer = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, input, EdgeNGramTokenFilter.Side.FRONT, 3, 3);
     assertTokenStreamContents(tokenizer, new String[]{"abc","fgh"}, new int[]{0,7}, new int[]{3,10});
   }
   
   public void testReset() throws Exception {
     WhitespaceTokenizer tokenizer = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("abcde"));
-    EdgeNGramTokenFilter filter = new EdgeNGramTokenFilter(tokenizer, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
-    assertTokenStreamContents(filter, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3});
+    EdgeNGramTokenFilter filter = new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, tokenizer, EdgeNGramTokenFilter.Side.FRONT, 1, 3);
+    assertTokenStreamContents(filter, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{5,5,5});
     tokenizer.setReader(new StringReader("abcde"));
-    assertTokenStreamContents(filter, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3});
+    assertTokenStreamContents(filter, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{5,5,5});
   }
   
   // LUCENE-3642
@@ -173,7 +161,7 @@ public class EdgeNGramTokenFilterTest ex
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
         Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
         TokenFilter filters = new ASCIIFoldingFilter(tokenizer);
-        filters = new EdgeNGramTokenFilter(filters, EdgeNGramTokenFilter.Side.FRONT, 2, 15);
+        filters = new EdgeNGramTokenFilter(Version.LUCENE_43, filters, EdgeNGramTokenFilter.Side.FRONT, 2, 15);
         return new TokenStreamComponents(tokenizer, filters);
       }
     };
@@ -190,7 +178,7 @@ public class EdgeNGramTokenFilterTest ex
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
         Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
         return new TokenStreamComponents(tokenizer, 
-            new EdgeNGramTokenFilter(tokenizer, EdgeNGramTokenFilter.Side.FRONT, 2, 4));
+            new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, tokenizer, EdgeNGramTokenFilter.Side.FRONT, 2, 4));
       }    
     };
     checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
@@ -200,7 +188,7 @@ public class EdgeNGramTokenFilterTest ex
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
         Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
         return new TokenStreamComponents(tokenizer, 
-            new EdgeNGramTokenFilter(tokenizer, EdgeNGramTokenFilter.Side.BACK, 2, 4));
+            new EdgeNGramTokenFilter(Version.LUCENE_43, tokenizer, EdgeNGramTokenFilter.Side.BACK, 2, 4));
       }    
     };
     checkRandomData(random(), b, 1000*RANDOM_MULTIPLIER, 20, false, false);
@@ -213,7 +201,7 @@ public class EdgeNGramTokenFilterTest ex
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
         Tokenizer tokenizer = new KeywordTokenizer(reader);
         return new TokenStreamComponents(tokenizer, 
-            new EdgeNGramTokenFilter(tokenizer, EdgeNGramTokenFilter.Side.FRONT, 2, 15));
+            new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, tokenizer, EdgeNGramTokenFilter.Side.FRONT, 2, 15));
       }    
     };
     checkAnalysisConsistency(random, a, random.nextBoolean(), "");
@@ -223,7 +211,7 @@ public class EdgeNGramTokenFilterTest ex
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
         Tokenizer tokenizer = new KeywordTokenizer(reader);
         return new TokenStreamComponents(tokenizer, 
-            new EdgeNGramTokenFilter(tokenizer, EdgeNGramTokenFilter.Side.BACK, 2, 15));
+            new EdgeNGramTokenFilter(Version.LUCENE_43, tokenizer, EdgeNGramTokenFilter.Side.BACK, 2, 15));
       }    
     };
     checkAnalysisConsistency(random, b, random.nextBoolean(), "");

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerTest.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerTest.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerTest.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/EdgeNGramTokenizerTest.java Tue May  7 13:11:49 2013
@@ -18,13 +18,18 @@ package org.apache.lucene.analysis.ngram
  */
 
 
+import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.Tokenizer;
-import org.apache.lucene.analysis.Analyzer.TokenStreamComponents;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
+import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
+import org.apache.lucene.util.Version;
+import org.apache.lucene.util._TestUtil;
 
 /**
  * Tests {@link EdgeNGramTokenizer} for correctness.
@@ -41,7 +46,7 @@ public class EdgeNGramTokenizerTest exte
   public void testInvalidInput() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 0, 0);
+      new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 0, 0);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -51,7 +56,7 @@ public class EdgeNGramTokenizerTest exte
   public void testInvalidInput2() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 2, 1);
+      new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 2, 1);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -61,7 +66,7 @@ public class EdgeNGramTokenizerTest exte
   public void testInvalidInput3() throws Exception {
     boolean gotException = false;
     try {        
-      new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, -1, 2);
+      new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, -1, 2);
     } catch (IllegalArgumentException e) {
       gotException = true;
     }
@@ -69,32 +74,32 @@ public class EdgeNGramTokenizerTest exte
   }
 
   public void testFrontUnigram() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 1, 1);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 1, 1);
     assertTokenStreamContents(tokenizer, new String[]{"a"}, new int[]{0}, new int[]{1}, 5 /* abcde */);
   }
 
   public void testBackUnigram() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.BACK, 1, 1);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(Version.LUCENE_43, input, EdgeNGramTokenizer.Side.BACK, 1, 1);
     assertTokenStreamContents(tokenizer, new String[]{"e"}, new int[]{4}, new int[]{5}, 5 /* abcde */);
   }
 
   public void testOversizedNgrams() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 6, 6);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 6, 6);
     assertTokenStreamContents(tokenizer, new String[0], new int[0], new int[0], 5 /* abcde */);
   }
 
   public void testFrontRangeOfNgrams() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 1, 3);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 1, 3);
     assertTokenStreamContents(tokenizer, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3}, 5 /* abcde */);
   }
 
   public void testBackRangeOfNgrams() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.BACK, 1, 3);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(Version.LUCENE_43, input, EdgeNGramTokenizer.Side.BACK, 1, 3);
     assertTokenStreamContents(tokenizer, new String[]{"e","de","cde"}, new int[]{4,3,2}, new int[]{5,5,5}, null, null, null, 5 /* abcde */, false);
   }
   
   public void testReset() throws Exception {
-    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(input, EdgeNGramTokenizer.Side.FRONT, 1, 3);
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, input, EdgeNGramTokenizer.Side.FRONT, 1, 3);
     assertTokenStreamContents(tokenizer, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3}, 5 /* abcde */);
     tokenizer.setReader(new StringReader("abcde"));
     assertTokenStreamContents(tokenizer, new String[]{"a","ab","abc"}, new int[]{0,0,0}, new int[]{1,2,3}, 5 /* abcde */);
@@ -105,7 +110,7 @@ public class EdgeNGramTokenizerTest exte
     Analyzer a = new Analyzer() {
       @Override
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
-        Tokenizer tokenizer = new EdgeNGramTokenizer(reader, EdgeNGramTokenizer.Side.FRONT, 2, 4);
+        Tokenizer tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, reader, EdgeNGramTokenizer.Side.FRONT, 2, 4);
         return new TokenStreamComponents(tokenizer, tokenizer);
       }    
     };
@@ -115,11 +120,57 @@ public class EdgeNGramTokenizerTest exte
     Analyzer b = new Analyzer() {
       @Override
       protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
-        Tokenizer tokenizer = new EdgeNGramTokenizer(reader, EdgeNGramTokenizer.Side.BACK, 2, 4);
+        Tokenizer tokenizer = new EdgeNGramTokenizer(Version.LUCENE_43, reader, EdgeNGramTokenizer.Side.BACK, 2, 4);
         return new TokenStreamComponents(tokenizer, tokenizer);
       }    
     };
     checkRandomData(random(), b, 1000*RANDOM_MULTIPLIER, 20, false, false);
     checkRandomData(random(), b, 100*RANDOM_MULTIPLIER, 8192, false, false);
   }
+
+  public void testTokenizerPositions() throws Exception {
+    EdgeNGramTokenizer tokenizer = new EdgeNGramTokenizer(Version.LUCENE_43, new StringReader("abcde"), EdgeNGramTokenizer.Side.FRONT, 1, 3);
+    assertTokenStreamContents(tokenizer,
+                              new String[]{"a","ab","abc"},
+                              new int[]{0,0,0},
+                              new int[]{1,2,3},
+                              null,
+                              new int[] {1,0,0},
+                              null,
+                              null,
+                              false);
+
+    tokenizer = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, new StringReader("abcde"), EdgeNGramTokenizer.Side.FRONT, 1, 3);
+    assertTokenStreamContents(tokenizer,
+                              new String[]{"a","ab","abc"},
+                              new int[]{0,0,0},
+                              new int[]{1,2,3},
+                              null,
+                              new int[]{1,1,1},
+                              null,
+                              null,
+                              false);
+  }
+
+  public void testLargeInput() throws IOException {
+    final String input = _TestUtil.randomSimpleString(random(), 1024 * 5);
+    final int minGram = _TestUtil.nextInt(random(), 1, 1024);
+    final int maxGram = _TestUtil.nextInt(random(), minGram, 5 * 1024);
+    EdgeNGramTokenizer tk = new EdgeNGramTokenizer(TEST_VERSION_CURRENT, new StringReader(input), EdgeNGramTokenizer.Side.FRONT, minGram, maxGram);
+    final CharTermAttribute charTermAtt = tk.addAttribute(CharTermAttribute.class);
+    final OffsetAttribute offsetAtt = tk.addAttribute(OffsetAttribute.class);
+    final PositionIncrementAttribute posIncAtt = tk.addAttribute(PositionIncrementAttribute.class);
+    tk.reset();
+    for (int i = minGram; i <= maxGram && i <= input.length(); ++i) {
+      assertTrue(tk.incrementToken());
+      assertEquals(0, offsetAtt.startOffset());
+      assertEquals(i, offsetAtt.endOffset());
+      assertEquals(1, posIncAtt.getPositionIncrement());
+      assertEquals(input.substring(0, i), charTermAtt.toString());
+    }
+    assertFalse(tk.incrementToken());
+    tk.end();
+    assertEquals(input.length(), offsetAtt.startOffset());
+  }
+
 }

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/TestNGramFilters.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/TestNGramFilters.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/TestNGramFilters.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/ngram/TestNGramFilters.java Tue May  7 13:11:49 2013
@@ -23,6 +23,7 @@ import java.io.StringReader;
 import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;
+import org.apache.lucene.util.Version;
 
 /**
  * Simple tests to ensure the NGram filter factories are working.
@@ -101,7 +102,7 @@ public class TestNGramFilters extends Ba
    */
   public void testEdgeNGramTokenizer3() throws Exception {
     Reader reader = new StringReader("ready");
-    TokenStream stream = tokenizerFactory("EdgeNGram",
+    TokenStream stream = tokenizerFactory("EdgeNGram", Version.LUCENE_43,
         "side", "back").create(reader);
     assertTokenStreamContents(stream, 
         new String[] { "y" });
@@ -137,7 +138,7 @@ public class TestNGramFilters extends Ba
   public void testEdgeNGramFilter3() throws Exception {
     Reader reader = new StringReader("ready");
     TokenStream stream = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
-    stream = tokenFilterFactory("EdgeNGram",
+    stream = tokenFilterFactory("EdgeNGram", Version.LUCENE_43,
         "side", "back").create(stream);
     assertTokenStreamContents(stream, 
         new String[] { "y" });

Modified: lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/BaseTokenStreamFactoryTestCase.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/BaseTokenStreamFactoryTestCase.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/BaseTokenStreamFactoryTestCase.java (original)
+++ lucene/dev/branches/branch_4x/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/BaseTokenStreamFactoryTestCase.java Tue May  7 13:11:49 2013
@@ -72,14 +72,23 @@ public abstract class BaseTokenStreamFac
     }
     return factory;
   }
-  
+
   /** 
    * Returns a fully initialized TokenizerFactory with the specified name and key-value arguments.
    * {@link ClasspathResourceLoader} is used for loading resources, so any required ones should
    * be on the test classpath.
    */
   protected TokenizerFactory tokenizerFactory(String name, String... keysAndValues) throws Exception {
-    return tokenizerFactory(name, TEST_VERSION_CURRENT, new ClasspathResourceLoader(getClass()), keysAndValues);
+    return tokenizerFactory(name, TEST_VERSION_CURRENT, keysAndValues);
+  }
+
+  /** 
+   * Returns a fully initialized TokenizerFactory with the specified name and key-value arguments.
+   * {@link ClasspathResourceLoader} is used for loading resources, so any required ones should
+   * be on the test classpath.
+   */
+  protected TokenizerFactory tokenizerFactory(String name, Version version, String... keysAndValues) throws Exception {
+    return tokenizerFactory(name, version, new ClasspathResourceLoader(getClass()), keysAndValues);
   }
   
   /** 
@@ -89,14 +98,23 @@ public abstract class BaseTokenStreamFac
   protected TokenizerFactory tokenizerFactory(String name, Version matchVersion, ResourceLoader loader, String... keysAndValues) throws Exception {
     return (TokenizerFactory) analysisFactory(TokenizerFactory.lookupClass(name), matchVersion, loader, keysAndValues);
   }
-  
+
+  /** 
+   * Returns a fully initialized TokenFilterFactory with the specified name and key-value arguments.
+   * {@link ClasspathResourceLoader} is used for loading resources, so any required ones should
+   * be on the test classpath.
+   */
+  protected TokenFilterFactory tokenFilterFactory(String name, Version version, String... keysAndValues) throws Exception {
+    return tokenFilterFactory(name, version, new ClasspathResourceLoader(getClass()), keysAndValues);
+  }
+
   /** 
    * Returns a fully initialized TokenFilterFactory with the specified name and key-value arguments.
    * {@link ClasspathResourceLoader} is used for loading resources, so any required ones should
    * be on the test classpath.
    */
   protected TokenFilterFactory tokenFilterFactory(String name, String... keysAndValues) throws Exception {
-    return tokenFilterFactory(name, TEST_VERSION_CURRENT, new ClasspathResourceLoader(getClass()), keysAndValues);
+    return tokenFilterFactory(name, TEST_VERSION_CURRENT, keysAndValues);
   }
   
   /** 

Modified: lucene/dev/branches/branch_4x/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java?rev=1479892&r1=1479891&r2=1479892&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java (original)
+++ lucene/dev/branches/branch_4x/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java Tue May  7 13:11:49 2013
@@ -18,9 +18,14 @@ package org.apache.lucene.classification
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.Tokenizer;
+import org.apache.lucene.analysis.core.KeywordTokenizer;
+import org.apache.lucene.analysis.ngram.EdgeNGramTokenFilter;
 import org.apache.lucene.analysis.ngram.EdgeNGramTokenizer;
+import org.apache.lucene.analysis.reverse.ReverseStringFilter;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.Version;
 import org.junit.Test;
 
 import java.io.Reader;
@@ -46,8 +51,8 @@ public class SimpleNaiveBayesClassifierT
   private class NGramAnalyzer extends Analyzer {
     @Override
     protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
-      return new TokenStreamComponents(new EdgeNGramTokenizer(reader, EdgeNGramTokenizer.Side.BACK,
-          10, 20));
+      final Tokenizer tokenizer = new KeywordTokenizer(reader);
+      return new TokenStreamComponents(tokenizer, new ReverseStringFilter(TEST_VERSION_CURRENT, new EdgeNGramTokenFilter(TEST_VERSION_CURRENT, new ReverseStringFilter(TEST_VERSION_CURRENT, tokenizer), 10, 20)));
     }
   }