pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/snowball/TestSnowballVocab.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/snowball/TestSnowballVocab.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/snowball/TestSnowballVocab.java
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+package org.apache.lucene.analysis.snowball;
+
+/**
+ * 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.Reader;
+
+import org.apache.lucene.analysis.KeywordTokenizer;
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.Tokenizer;
+import org.apache.lucene.analysis.ReusableAnalyzerBase;
+import org.apache.lucene.util.LuceneTestCase;
+
+import static org.apache.lucene.analysis.VocabularyAssert.*;
+
+/**
+ * Test the snowball filters against the snowball data tests
+ */
+public class TestSnowballVocab extends LuceneTestCase {
+  /**
+   * Run all languages against their snowball vocabulary tests.
+   */
+  public void testStemmers() throws IOException {
+    assertCorrectOutput("Danish", "danish");
+    assertCorrectOutput("Dutch", "dutch");
+    assertCorrectOutput("English", "english");
+    // disabled due to snowball java code generation bug: 
+    // see http://article.gmane.org/gmane.comp.search.snowball/1139
+    // assertCorrectOutput("Finnish", "finnish");
+    assertCorrectOutput("French", "french");
+    assertCorrectOutput("German", "german");
+    assertCorrectOutput("German2", "german2");
+    assertCorrectOutput("Hungarian", "hungarian");
+    assertCorrectOutput("Italian", "italian");
+    assertCorrectOutput("Kp", "kraaij_pohlmann");
+    // disabled due to snowball java code generation bug: 
+    // see http://article.gmane.org/gmane.comp.search.snowball/1139
+    // assertCorrectOutput("Lovins", "lovins");
+    assertCorrectOutput("Norwegian", "norwegian");
+    assertCorrectOutput("Porter", "porter");
+    assertCorrectOutput("Portuguese", "portuguese");
+    assertCorrectOutput("Romanian", "romanian");
+    assertCorrectOutput("Russian", "russian");
+    assertCorrectOutput("Spanish", "spanish");
+    assertCorrectOutput("Swedish", "swedish");
+    assertCorrectOutput("Turkish", "turkish");
+  }
+    
+  /**
+   * For the supplied language, run the stemmer against all strings in voc.txt
+   * The output should be the same as the string in output.txt
+   */
+  private void assertCorrectOutput(final String snowballLanguage, String dataDirectory)
+      throws IOException {
+    if (VERBOSE) System.out.println("checking snowball language: " + snowballLanguage);
+    
+    Analyzer a = new ReusableAnalyzerBase() {
+      @Override
+      protected TokenStreamComponents createComponents(String fieldName,
+          Reader reader) {
+        Tokenizer t = new KeywordTokenizer(reader);
+        return new TokenStreamComponents(t, new SnowballFilter(t, snowballLanguage));
+      }  
+    };
+    
+    assertVocabulary(a, getDataFile("TestSnowballVocabData.zip"), 
+        dataDirectory + "/voc.txt", dataDirectory + "/output.txt");
+  }
+}