pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / collation / TestCollationKeyFilter.java

diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/collation/TestCollationKeyFilter.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/collation/TestCollationKeyFilter.java
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+++ b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/collation/TestCollationKeyFilter.java
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+package org.apache.lucene.collation;
+
+/**
+ * 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.
+ */
+
+
+import org.apache.lucene.analysis.CollationTestBase;
+import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.KeywordTokenizer;
+
+import java.text.Collator;
+import java.util.Locale;
+import java.io.Reader;
+
+
+public class TestCollationKeyFilter extends CollationTestBase {
+  // the sort order of Ø versus U depends on the version of the rules being used
+  // for the inherited root locale: Ø's order isnt specified in Locale.US since 
+  // its not used in english.
+  boolean oStrokeFirst = Collator.getInstance(new Locale("")).compare("Ø", "U") < 0;
+  
+  // Neither Java 1.4.2 nor 1.5.0 has Farsi Locale collation available in
+  // RuleBasedCollator.  However, the Arabic Locale seems to order the Farsi
+  // characters properly.
+  private Collator collator = Collator.getInstance(new Locale("ar"));
+  private Analyzer analyzer = new TestAnalyzer(collator);
+
+  private String firstRangeBeginning = encodeCollationKey
+    (collator.getCollationKey(firstRangeBeginningOriginal).toByteArray());
+  private String firstRangeEnd = encodeCollationKey
+    (collator.getCollationKey(firstRangeEndOriginal).toByteArray());
+  private String secondRangeBeginning = encodeCollationKey
+    (collator.getCollationKey(secondRangeBeginningOriginal).toByteArray());
+  private String secondRangeEnd = encodeCollationKey
+    (collator.getCollationKey(secondRangeEndOriginal).toByteArray());
+
+  
+  public final class TestAnalyzer extends Analyzer {
+    private Collator _collator;
+
+    TestAnalyzer(Collator collator) {
+      _collator = collator;
+    }
+
+    @Override
+    public TokenStream tokenStream(String fieldName, Reader reader) {
+      TokenStream result = new KeywordTokenizer(reader);
+      result = new CollationKeyFilter(result, _collator);
+      return result;
+    }
+  }
+
+  public void testFarsiRangeFilterCollating() throws Exception {
+    testFarsiRangeFilterCollating
+      (analyzer, firstRangeBeginning, firstRangeEnd, 
+       secondRangeBeginning, secondRangeEnd);
+  }
+ 
+  public void testFarsiRangeQueryCollating() throws Exception {
+    testFarsiRangeQueryCollating
+      (analyzer, firstRangeBeginning, firstRangeEnd, 
+       secondRangeBeginning, secondRangeEnd);
+  }
+
+  public void testFarsiTermRangeQuery() throws Exception {
+    testFarsiTermRangeQuery
+      (analyzer, firstRangeBeginning, firstRangeEnd, 
+       secondRangeBeginning, secondRangeEnd);
+  }
+  
+  public void testCollationKeySort() throws Exception {
+    Analyzer usAnalyzer = new TestAnalyzer(Collator.getInstance(Locale.US));
+    Analyzer franceAnalyzer 
+      = new TestAnalyzer(Collator.getInstance(Locale.FRANCE));
+    Analyzer swedenAnalyzer 
+      = new TestAnalyzer(Collator.getInstance(new Locale("sv", "se")));
+    Analyzer denmarkAnalyzer 
+      = new TestAnalyzer(Collator.getInstance(new Locale("da", "dk")));
+    
+    // The ICU Collator and Sun java.text.Collator implementations differ in their
+    // orderings - "BFJDH" is the ordering for java.text.Collator for Locale.US.
+    testCollationKeySort
+    (usAnalyzer, franceAnalyzer, swedenAnalyzer, denmarkAnalyzer, 
+     oStrokeFirst ? "BFJHD" : "BFJDH", "EACGI", "BJDFH", "BJDHF");
+  }
+}