Addressing comments + fixing test

7 files changed, 263 insertions, 40 deletions

diff --git a/container-search/src/main/java/com/yahoo/prelude/query/FuzzyItem.java b/container-search/src/main/java/com/yahoo/prelude/query/FuzzyItem.java
index 9a710deca67..74c31a5d1f0 100644
--- a/container-search/src/main/java/com/yahoo/prelude/query/FuzzyItem.java
+++ b/container-search/src/main/java/com/yahoo/prelude/query/FuzzyItem.java
@@ -9,16 +9,16 @@ import java.nio.ByteBuffer;
  * @author alexeyche
  */
 public class FuzzyItem extends TermItem {
-    private String fuzzyQuery;
+    private String term;
 
-    public FuzzyItem(String indexName, boolean isFromQuery, String fuzzyQuery) {
+    public FuzzyItem(String indexName, boolean isFromQuery, String term) {
         super(indexName, isFromQuery, null);
-        setValue(fuzzyQuery);
+        setValue(term);
     }
 
     @Override
     public void setValue(String value) {
-        this.fuzzyQuery = value;
+        this.term = value;
     }
 
     @Override
@@ -43,7 +43,7 @@ public class FuzzyItem extends TermItem {
 
     @Override
     public String stringValue() {
-        return fuzzyQuery;
+        return term;
     }
 
     @Override
@@ -73,11 +73,11 @@ public class FuzzyItem extends TermItem {
             return false;
         }
         FuzzyItem other = (FuzzyItem) obj;
-        if (fuzzyQuery == null) {
-            if (other.fuzzyQuery != null) {
+        if (term == null) {
+            if (other.term != null) {
                 return false;
             }
-        } else if (!fuzzyQuery.equals(other.fuzzyQuery)) {
+        } else if (!term.equals(other.term)) {
             return false;
         }
         return true;
@@ -87,17 +87,18 @@ public class FuzzyItem extends TermItem {
     public int hashCode() {
         final int prime = 31;
         int result = super.hashCode();
-        result = prime * result + ((fuzzyQuery == null) ? 0 : fuzzyQuery.hashCode());
+        result = prime * result + ((term == null) ? 0 : term.hashCode());
         return result;
     }
 
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();
-        builder.append("FuzzyItem [fuzzyQuery=").append(fuzzyQuery).append("]");
+        builder.append("FuzzyItem [term=").append(term).append("]");
         return builder.toString();
     }
 
+    @Override
     protected void encodeThis(ByteBuffer buffer) {
         super.encodeThis(buffer);
         putString(getIndexedString(), buffer);
diff --git a/container-search/src/main/java/com/yahoo/search/query/SelectParser.java b/container-search/src/main/java/com/yahoo/search/query/SelectParser.java
index 6f7aff798a5..320148ec01d 100644
--- a/container-search/src/main/java/com/yahoo/search/query/SelectParser.java
+++ b/container-search/src/main/java/com/yahoo/search/query/SelectParser.java
@@ -2,7 +2,6 @@
 package com.yahoo.search.query;
 
 import com.google.common.base.Preconditions;
-import com.yahoo.prelude.query.*;
 import com.yahoo.processing.IllegalInputException;
 import com.yahoo.collections.LazyMap;
 import com.yahoo.geo.DistanceParser;
@@ -11,6 +10,39 @@ import com.yahoo.language.Language;
 import com.yahoo.language.process.Normalizer;
 import com.yahoo.prelude.IndexFacts;
 import com.yahoo.prelude.Location;
+import com.yahoo.prelude.query.AndItem;
+import com.yahoo.prelude.query.BoolItem;
+import com.yahoo.prelude.query.CompositeItem;
+import com.yahoo.prelude.query.DotProductItem;
+import com.yahoo.prelude.query.EquivItem;
+import com.yahoo.prelude.query.ExactStringItem;
+import com.yahoo.prelude.query.FuzzyItem;
+import com.yahoo.prelude.query.IntItem;
+import com.yahoo.prelude.query.Item;
+import com.yahoo.prelude.query.Limit;
+import com.yahoo.prelude.query.GeoLocationItem;
+import com.yahoo.prelude.query.NearItem;
+import com.yahoo.prelude.query.NearestNeighborItem;
+import com.yahoo.prelude.query.NotItem;
+import com.yahoo.prelude.query.ONearItem;
+import com.yahoo.prelude.query.OrItem;
+import com.yahoo.prelude.query.PhraseItem;
+import com.yahoo.prelude.query.PredicateQueryItem;
+import com.yahoo.prelude.query.PrefixItem;
+import com.yahoo.prelude.query.RangeItem;
+import com.yahoo.prelude.query.RankItem;
+import com.yahoo.prelude.query.RegExpItem;
+import com.yahoo.prelude.query.SameElementItem;
+import com.yahoo.prelude.query.SegmentingRule;
+import com.yahoo.prelude.query.Substring;
+import com.yahoo.prelude.query.SubstringItem;
+import com.yahoo.prelude.query.SuffixItem;
+import com.yahoo.prelude.query.TaggableItem;
+import com.yahoo.prelude.query.WandItem;
+import com.yahoo.prelude.query.WeakAndItem;
+import com.yahoo.prelude.query.WeightedSetItem;
+import com.yahoo.prelude.query.WordAlternativesItem;
+import com.yahoo.prelude.query.WordItem;
 import com.yahoo.search.grouping.request.GroupingOperation;
 import com.yahoo.search.query.parser.Parsable;
 import com.yahoo.search.query.parser.Parser;
@@ -29,13 +61,66 @@ import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
-import static com.yahoo.search.yql.YqlParser.*;
 import static com.yahoo.slime.Type.ARRAY;
 import static com.yahoo.slime.Type.DOUBLE;
 import static com.yahoo.slime.Type.LONG;
 import static com.yahoo.slime.Type.OBJECT;
 import static com.yahoo.slime.Type.STRING;
 
+import static com.yahoo.search.yql.YqlParser.ACCENT_DROP;
+import static com.yahoo.search.yql.YqlParser.ALTERNATIVES;
+import static com.yahoo.search.yql.YqlParser.AND_SEGMENTING;
+import static com.yahoo.search.yql.YqlParser.ANNOTATIONS;
+import static com.yahoo.search.yql.YqlParser.APPROXIMATE;
+import static com.yahoo.search.yql.YqlParser.ASCENDING_HITS_ORDER;
+import static com.yahoo.search.yql.YqlParser.CONNECTION_ID;
+import static com.yahoo.search.yql.YqlParser.CONNECTION_WEIGHT;
+import static com.yahoo.search.yql.YqlParser.CONNECTIVITY;
+import static com.yahoo.search.yql.YqlParser.DEFAULT_TARGET_NUM_HITS;
+import static com.yahoo.search.yql.YqlParser.DESCENDING_HITS_ORDER;
+import static com.yahoo.search.yql.YqlParser.DISTANCE;
+import static com.yahoo.search.yql.YqlParser.DISTANCE_THRESHOLD;
+import static com.yahoo.search.yql.YqlParser.DOT_PRODUCT;
+import static com.yahoo.search.yql.YqlParser.EQUIV;
+import static com.yahoo.search.yql.YqlParser.FILTER;
+import static com.yahoo.search.yql.YqlParser.FUZZY;
+import static com.yahoo.search.yql.YqlParser.GEO_LOCATION;
+import static com.yahoo.search.yql.YqlParser.HIT_LIMIT;
+import static com.yahoo.search.yql.YqlParser.HNSW_EXPLORE_ADDITIONAL_HITS;
+import static com.yahoo.search.yql.YqlParser.IMPLICIT_TRANSFORMS;
+import static com.yahoo.search.yql.YqlParser.LABEL;
+import static com.yahoo.search.yql.YqlParser.NEAR;
+import static com.yahoo.search.yql.YqlParser.NEAREST_NEIGHBOR;
+import static com.yahoo.search.yql.YqlParser.NFKC;
+import static com.yahoo.search.yql.YqlParser.NORMALIZE_CASE;
+import static com.yahoo.search.yql.YqlParser.ONEAR;
+import static com.yahoo.search.yql.YqlParser.ORIGIN;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_LENGTH;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_OFFSET;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_ORIGINAL;
+import static com.yahoo.search.yql.YqlParser.PHRASE;
+import static com.yahoo.search.yql.YqlParser.PREDICATE;
+import static com.yahoo.search.yql.YqlParser.PREFIX;
+import static com.yahoo.search.yql.YqlParser.RANGE;
+import static com.yahoo.search.yql.YqlParser.RANK;
+import static com.yahoo.search.yql.YqlParser.RANKED;
+import static com.yahoo.search.yql.YqlParser.SAME_ELEMENT;
+import static com.yahoo.search.yql.YqlParser.SCORE_THRESHOLD;
+import static com.yahoo.search.yql.YqlParser.SIGNIFICANCE;
+import static com.yahoo.search.yql.YqlParser.STEM;
+import static com.yahoo.search.yql.YqlParser.SUBSTRING;
+import static com.yahoo.search.yql.YqlParser.SUFFIX;
+import static com.yahoo.search.yql.YqlParser.TARGET_HITS;
+import static com.yahoo.search.yql.YqlParser.TARGET_NUM_HITS;
+import static com.yahoo.search.yql.YqlParser.THRESHOLD_BOOST_FACTOR;
+import static com.yahoo.search.yql.YqlParser.UNIQUE_ID;
+import static com.yahoo.search.yql.YqlParser.USE_POSITION_DATA;
+import static com.yahoo.search.yql.YqlParser.USER_INPUT_LANGUAGE;
+import static com.yahoo.search.yql.YqlParser.WAND;
+import static com.yahoo.search.yql.YqlParser.WEAK_AND;
+import static com.yahoo.search.yql.YqlParser.WEIGHT;
+import static com.yahoo.search.yql.YqlParser.WEIGHTED_SET;
+
 /**
  * The Select query language.
  *
diff --git a/container-search/src/main/java/com/yahoo/search/yql/VespaSerializer.java b/container-search/src/main/java/com/yahoo/search/yql/VespaSerializer.java
index afc903ba7cf..e778798b0e5 100644
--- a/container-search/src/main/java/com/yahoo/search/yql/VespaSerializer.java
+++ b/container-search/src/main/java/com/yahoo/search/yql/VespaSerializer.java
@@ -1,6 +1,56 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.search.yql;
 
+import static com.yahoo.search.yql.YqlParser.ACCENT_DROP;
+import static com.yahoo.search.yql.YqlParser.ALTERNATIVES;
+import static com.yahoo.search.yql.YqlParser.AND_SEGMENTING;
+import static com.yahoo.search.yql.YqlParser.BOUNDS;
+import static com.yahoo.search.yql.YqlParser.BOUNDS_LEFT_OPEN;
+import static com.yahoo.search.yql.YqlParser.BOUNDS_OPEN;
+import static com.yahoo.search.yql.YqlParser.BOUNDS_RIGHT_OPEN;
+import static com.yahoo.search.yql.YqlParser.CONNECTION_ID;
+import static com.yahoo.search.yql.YqlParser.CONNECTION_WEIGHT;
+import static com.yahoo.search.yql.YqlParser.CONNECTIVITY;
+import static com.yahoo.search.yql.YqlParser.DISTANCE;
+import static com.yahoo.search.yql.YqlParser.DOT_PRODUCT;
+import static com.yahoo.search.yql.YqlParser.END_ANCHOR;
+import static com.yahoo.search.yql.YqlParser.EQUIV;
+import static com.yahoo.search.yql.YqlParser.FILTER;
+import static com.yahoo.search.yql.YqlParser.FUZZY;
+import static com.yahoo.search.yql.YqlParser.GEO_LOCATION;
+import static com.yahoo.search.yql.YqlParser.HIT_LIMIT;
+import static com.yahoo.search.yql.YqlParser.IMPLICIT_TRANSFORMS;
+import static com.yahoo.search.yql.YqlParser.LABEL;
+import static com.yahoo.search.yql.YqlParser.NEAR;
+import static com.yahoo.search.yql.YqlParser.NEAREST_NEIGHBOR;
+import static com.yahoo.search.yql.YqlParser.NORMALIZE_CASE;
+import static com.yahoo.search.yql.YqlParser.ONEAR;
+import static com.yahoo.search.yql.YqlParser.ORIGIN;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_LENGTH;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_OFFSET;
+import static com.yahoo.search.yql.YqlParser.ORIGIN_ORIGINAL;
+import static com.yahoo.search.yql.YqlParser.PHRASE;
+import static com.yahoo.search.yql.YqlParser.PREFIX;
+import static com.yahoo.search.yql.YqlParser.RANGE;
+import static com.yahoo.search.yql.YqlParser.RANK;
+import static com.yahoo.search.yql.YqlParser.RANKED;
+import static com.yahoo.search.yql.YqlParser.SAME_ELEMENT;
+import static com.yahoo.search.yql.YqlParser.SCORE_THRESHOLD;
+import static com.yahoo.search.yql.YqlParser.SIGNIFICANCE;
+import static com.yahoo.search.yql.YqlParser.START_ANCHOR;
+import static com.yahoo.search.yql.YqlParser.STEM;
+import static com.yahoo.search.yql.YqlParser.SUBSTRING;
+import static com.yahoo.search.yql.YqlParser.SUFFIX;
+import static com.yahoo.search.yql.YqlParser.TARGET_NUM_HITS;
+import static com.yahoo.search.yql.YqlParser.THRESHOLD_BOOST_FACTOR;
+import static com.yahoo.search.yql.YqlParser.UNIQUE_ID;
+import static com.yahoo.search.yql.YqlParser.URI;
+import static com.yahoo.search.yql.YqlParser.USE_POSITION_DATA;
+import static com.yahoo.search.yql.YqlParser.WAND;
+import static com.yahoo.search.yql.YqlParser.WEAK_AND;
+import static com.yahoo.search.yql.YqlParser.WEIGHT;
+import static com.yahoo.search.yql.YqlParser.WEIGHTED_SET;
+
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -15,15 +65,52 @@ import java.util.Map;
 import java.util.Map.Entry;
 
 import com.google.common.collect.ImmutableMap;
-import com.yahoo.prelude.query.*;
+import com.yahoo.prelude.query.AndItem;
+import com.yahoo.prelude.query.AndSegmentItem;
+import com.yahoo.prelude.query.BoolItem;
+import com.yahoo.prelude.query.DotProductItem;
+import com.yahoo.prelude.query.EquivItem;
+import com.yahoo.prelude.query.FalseItem;
+import com.yahoo.prelude.query.FuzzyItem;
+import com.yahoo.prelude.query.ExactStringItem;
+import com.yahoo.prelude.query.IndexedItem;
+import com.yahoo.prelude.query.IntItem;
+import com.yahoo.prelude.query.Item;
+import com.yahoo.prelude.query.GeoLocationItem;
+import com.yahoo.prelude.query.MarkerWordItem;
+import com.yahoo.prelude.query.NearItem;
+import com.yahoo.prelude.query.NearestNeighborItem;
+import com.yahoo.prelude.query.NotItem;
+import com.yahoo.prelude.query.NullItem;
+import com.yahoo.prelude.query.ONearItem;
+import com.yahoo.prelude.query.OrItem;
+import com.yahoo.prelude.query.PhraseItem;
+import com.yahoo.prelude.query.PhraseSegmentItem;
+import com.yahoo.prelude.query.PredicateQueryItem;
+import com.yahoo.prelude.query.PrefixItem;
+import com.yahoo.prelude.query.RangeItem;
+import com.yahoo.prelude.query.RankItem;
+import com.yahoo.prelude.query.RegExpItem;
+import com.yahoo.prelude.query.SameElementItem;
+import com.yahoo.prelude.query.SegmentingRule;
+import com.yahoo.prelude.query.Substring;
+import com.yahoo.prelude.query.SubstringItem;
+import com.yahoo.prelude.query.SuffixItem;
+import com.yahoo.prelude.query.TaggableItem;
+import com.yahoo.prelude.query.ToolBox;
 import com.yahoo.prelude.query.ToolBox.QueryVisitor;
+import com.yahoo.prelude.query.TrueItem;
+import com.yahoo.prelude.query.UriItem;
+import com.yahoo.prelude.query.WandItem;
+import com.yahoo.prelude.query.WeakAndItem;
+import com.yahoo.prelude.query.WeightedSetItem;
+import com.yahoo.prelude.query.WordAlternativesItem;
+import com.yahoo.prelude.query.WordItem;
 import com.yahoo.search.Query;
 import com.yahoo.search.grouping.Continuation;
 import com.yahoo.search.grouping.GroupingRequest;
 import com.yahoo.search.query.QueryTree;
 
-import static com.yahoo.search.yql.YqlParser.*;
-
 /**
  * Serialize Vespa query trees to YQL+ strings.
  *
diff --git a/container-search/src/main/java/com/yahoo/search/yql/YqlParser.java b/container-search/src/main/java/com/yahoo/search/yql/YqlParser.java
index 99a449026d8..06ee0e706f3 100644
--- a/container-search/src/main/java/com/yahoo/search/yql/YqlParser.java
+++ b/container-search/src/main/java/com/yahoo/search/yql/YqlParser.java
@@ -27,8 +27,49 @@ import com.yahoo.language.process.Normalizer;
 import com.yahoo.language.process.Segmenter;
 import com.yahoo.prelude.IndexFacts;
 import com.yahoo.prelude.Location;
-import com.yahoo.prelude.query.*;
+import com.yahoo.prelude.query.AndItem;
+import com.yahoo.prelude.query.AndSegmentItem;
+import com.yahoo.prelude.query.BoolItem;
+import com.yahoo.prelude.query.CompositeItem;
+import com.yahoo.prelude.query.DotProductItem;
+import com.yahoo.prelude.query.EquivItem;
+import com.yahoo.prelude.query.FalseItem;
+import com.yahoo.prelude.query.FuzzyItem;
+import com.yahoo.prelude.query.ExactStringItem;
+import com.yahoo.prelude.query.IntItem;
+import com.yahoo.prelude.query.Item;
+import com.yahoo.prelude.query.Limit;
+import com.yahoo.prelude.query.GeoLocationItem;
+import com.yahoo.prelude.query.NearItem;
+import com.yahoo.prelude.query.NearestNeighborItem;
+import com.yahoo.prelude.query.NotItem;
+import com.yahoo.prelude.query.NullItem;
+import com.yahoo.prelude.query.ONearItem;
+import com.yahoo.prelude.query.OrItem;
+import com.yahoo.prelude.query.PhraseItem;
+import com.yahoo.prelude.query.PhraseSegmentItem;
+import com.yahoo.prelude.query.PredicateQueryItem;
+import com.yahoo.prelude.query.PrefixItem;
+import com.yahoo.prelude.query.RangeItem;
+import com.yahoo.prelude.query.RankItem;
+import com.yahoo.prelude.query.RegExpItem;
+import com.yahoo.prelude.query.SameElementItem;
+import com.yahoo.prelude.query.SegmentItem;
+import com.yahoo.prelude.query.SegmentingRule;
+import com.yahoo.prelude.query.Substring;
+import com.yahoo.prelude.query.SubstringItem;
+import com.yahoo.prelude.query.SuffixItem;
+import com.yahoo.prelude.query.TaggableItem;
+import com.yahoo.prelude.query.TermItem;
+import com.yahoo.prelude.query.ToolBox;
 import com.yahoo.prelude.query.ToolBox.QueryVisitor;
+import com.yahoo.prelude.query.TrueItem;
+import com.yahoo.prelude.query.UriItem;
+import com.yahoo.prelude.query.WandItem;
+import com.yahoo.prelude.query.WeakAndItem;
+import com.yahoo.prelude.query.WeightedSetItem;
+import com.yahoo.prelude.query.WordAlternativesItem;
+import com.yahoo.prelude.query.WordItem;
 import com.yahoo.processing.IllegalInputException;
 import com.yahoo.search.Query;
 import com.yahoo.search.grouping.Continuation;
@@ -1132,7 +1173,7 @@ public class YqlParser implements Parser {
         assertHasOperator(ast, ExpressionOperator.CONTAINS);
         String field = getIndex(ast.getArgument(0));
         if (userQuery != null && indexFactsSession.getIndex(field).isAttribute()) {
-            userQuery.trace("Field '" + field + "' is an attribute, 'contains' will only match exactly (unless fuzzy query is used)", 2);
+            userQuery.trace("Field '" + field + "' is an attribute, 'contains' will only match exactly (unless fuzzy is used)", 2);
         }
         return instantiateLeafItem(field, ast.<OperatorNode<ExpressionOperator>> getArgument(1));
     }
diff --git a/container-search/src/test/java/com/yahoo/search/yql/YqlParserTestCase.java b/container-search/src/test/java/com/yahoo/search/yql/YqlParserTestCase.java
index a057d6f7c16..f40e212adde 100644
--- a/container-search/src/test/java/com/yahoo/search/yql/YqlParserTestCase.java
+++ b/container-search/src/test/java/com/yahoo/search/yql/YqlParserTestCase.java
@@ -8,7 +8,25 @@ import com.yahoo.prelude.Index;
 import com.yahoo.prelude.IndexFacts;
 import com.yahoo.prelude.IndexModel;
 import com.yahoo.prelude.SearchDefinition;
-import com.yahoo.prelude.query.*;
+import com.yahoo.prelude.query.AndItem;
+import com.yahoo.prelude.query.BoolItem;
+import com.yahoo.prelude.query.ExactStringItem;
+import com.yahoo.prelude.query.FuzzyItem;
+import com.yahoo.prelude.query.IndexedItem;
+import com.yahoo.prelude.query.Item;
+import com.yahoo.prelude.query.MarkerWordItem;
+import com.yahoo.prelude.query.PhraseItem;
+import com.yahoo.prelude.query.PhraseSegmentItem;
+import com.yahoo.prelude.query.PrefixItem;
+import com.yahoo.prelude.query.QueryCanonicalizer;
+import com.yahoo.prelude.query.RegExpItem;
+import com.yahoo.prelude.query.SegmentingRule;
+import com.yahoo.prelude.query.Substring;
+import com.yahoo.prelude.query.SubstringItem;
+import com.yahoo.prelude.query.SuffixItem;
+import com.yahoo.prelude.query.WeakAndItem;
+import com.yahoo.prelude.query.WordAlternativesItem;
+import com.yahoo.prelude.query.WordItem;
 import com.yahoo.prelude.querytransform.QueryRewrite;
 import com.yahoo.processing.IllegalInputException;
 import com.yahoo.search.Query;
@@ -366,8 +384,11 @@ public class YqlParserTestCase {
 
     @Test
     public void testFuzzy() {
-        assertParse("select foo from bar where baz contains fuzzy(\"a\")",
-                "FUZZY baz:a");
+        QueryTree x = parse("select foo from bar where baz contains fuzzy(\"a b\")");
+        Item root = x.getRoot();
+        assertSame(FuzzyItem.class, root.getClass());
+        assertEquals("baz", ((FuzzyItem) root).getIndexName());
+        assertEquals("a b", ((FuzzyItem) root).stringValue());
     }
 
     @Test
diff --git a/container-search/src/test/java/com/yahoo/select/SelectTestCase.java b/container-search/src/test/java/com/yahoo/select/SelectTestCase.java
index 1c8433541e1..9b867be1484 100644
--- a/container-search/src/test/java/com/yahoo/select/SelectTestCase.java
+++ b/container-search/src/test/java/com/yahoo/select/SelectTestCase.java
@@ -6,6 +6,7 @@ import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.yahoo.prelude.query.AndItem;
 import com.yahoo.prelude.query.ExactStringItem;
+import com.yahoo.prelude.query.FuzzyItem;
 import com.yahoo.prelude.query.Item;
 import com.yahoo.prelude.query.PhraseItem;
 import com.yahoo.prelude.query.PrefixItem;
@@ -676,8 +677,11 @@ public class SelectTestCase {
 
     @Test
     public void testFuzzy() {
-        assertParse("{ \"contains\": [\"description\", { \"fuzzy\": [\"a\"] }] }",
-                "FUZZY description:a");
+        QueryTree x = parseWhere("{ \"contains\": [\"description\", { \"fuzzy\": [\"a b\"] }] }");
+        Item root = x.getRoot();
+        assertSame(FuzzyItem.class, root.getClass());
+        assertEquals("description", ((FuzzyItem) root).getIndexName());
+        assertEquals("a b", ((FuzzyItem) root).stringValue());
     }
 
     //------------------------------------------------------------------- grouping tests
diff --git a/vespalib/src/vespa/vespalib/fuzzy/fuzzy.cpp b/vespalib/src/vespa/vespalib/fuzzy/fuzzy.cpp
index 55d11b74123..f4744101a97 100644
--- a/vespalib/src/vespa/vespalib/fuzzy/fuzzy.cpp
+++ b/vespalib/src/vespa/vespalib/fuzzy/fuzzy.cpp
@@ -1,21 +1,5 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * Levenstein distance algorithm is based off Java implementation from apache commons-text library
- */
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+// Levenstein distance algorithm is based off Java implementation from apache commons-text library licensed under the Apache 2.0 license.
 
 #include "fuzzy.h"