pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / analyzers / common / src / test / org / apache / lucene / analysis / hi / TestHindiStemmer.java

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/hi/TestHindiStemmer.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/hi/TestHindiStemmer.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/hi/TestHindiStemmer.java
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+package org.apache.lucene.analysis.hi;
+
+/**
+ * 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 java.io.IOException;
+import java.io.StringReader;
+
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.analysis.TokenFilter;
+import org.apache.lucene.analysis.Tokenizer;
+
+/**
+ * Test HindiStemmer
+ */
+public class TestHindiStemmer extends BaseTokenStreamTestCase {
+  /**
+   * Test masc noun inflections
+   */
+  public void testMasculineNouns() throws IOException {
+    check("लडका", "लडक");
+    check("लडके", "लडक");
+    check("लडकों", "लडक");
+    
+    check("गुरु", "गुर");
+    check("गुरुओं", "गुर");
+    
+    check("दोस्त", "दोस्त");
+    check("दोस्तों", "दोस्त");
+  }
+  
+  /**
+   * Test feminine noun inflections
+   */
+  public void testFeminineNouns() throws IOException {
+    check("लडकी", "लडक");
+    check("लडकियों", "लडक");
+    
+    check("किताब", "किताब");
+    check("किताबें", "किताब");
+    check("किताबों", "किताब");
+    
+    check("आध्यापीका", "आध्यापीक");
+    check("आध्यापीकाएं", "आध्यापीक");
+    check("आध्यापीकाओं", "आध्यापीक");
+  }
+  
+  /**
+   * Test some verb forms
+   */
+  public void testVerbs() throws IOException {
+    check("खाना", "खा");
+    check("खाता", "खा");
+    check("खाती", "खा");
+    check("खा", "खा");
+  }
+  
+  /**
+   * From the paper: since the suffix list for verbs includes AI, awA and anI,
+   * additional suffixes had to be added to the list for noun/adjectives
+   * ending with these endings.
+   */
+  public void testExceptions() throws IOException {
+    check("कठिनाइयां", "कठिन");
+    check("कठिन", "कठिन");
+  }
+  
+  private void check(String input, String output) throws IOException {
+    Tokenizer tokenizer = new MockTokenizer(new StringReader(input), MockTokenizer.WHITESPACE, false);
+    TokenFilter tf = new HindiStemFilter(tokenizer);
+    assertTokenStreamContents(tf, new String[] { output });
+  }
+}