pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseMinimalStemFilter.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseMinimalStemFilter.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseMinimalStemFilter.java
@@ -0,0 +1,74 @@
+package org.apache.lucene.analysis.pt;
+
+/**
+ * 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.Analyzer;
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.analysis.Tokenizer;
+import org.apache.lucene.analysis.LowerCaseFilter;
+import org.apache.lucene.analysis.standard.StandardTokenizer;
+import org.apache.lucene.analysis.ReusableAnalyzerBase;
+
+import static org.apache.lucene.analysis.VocabularyAssert.*;
+
+/**
+ * Simple tests for {@link PortugueseMinimalStemFilter}
+ */
+public class TestPortugueseMinimalStemFilter extends BaseTokenStreamTestCase {
+  private Analyzer analyzer = new ReusableAnalyzerBase() {
+    @Override
+    protected TokenStreamComponents createComponents(String fieldName,
+        Reader reader) {
+      Tokenizer source = new StandardTokenizer(TEST_VERSION_CURRENT, reader);
+      TokenStream result = new LowerCaseFilter(TEST_VERSION_CURRENT, source);
+      return new TokenStreamComponents(source, new PortugueseMinimalStemFilter(result));
+    }
+  };
+  
+  /**
+   * Test the example from the paper "Assessing the impact of stemming accuracy
+   * on information retrieval"
+   */
+  public void testExamples() throws IOException {
+    assertAnalyzesTo(
+        analyzer,
+    "O debate político, pelo menos o que vem a público, parece, de modo nada "
+    + "surpreendente, restrito a temas menores. Mas há, evidentemente, "
+    + "grandes questões em jogo nas eleições que se aproximam.",
+    new String[] { 
+      "o", "debate", "político", "pelo", "menos", "o", "que", "vem", "a", 
+      "público", "parece", "de", "modo", "nada", "surpreendente", "restrito",
+      "a", "tema", "menor", "mas", "há", "evidentemente", "grande", "questão",
+      "em", "jogo", "na", "eleição", "que", "se", "aproximam"
+    });
+  }
+  
+  /** Test against a vocabulary from the reference impl */
+  public void testVocabulary() throws IOException {
+    assertVocabulary(analyzer, getDataFile("ptminimaltestdata.zip"), "ptminimal.txt");
+  }
+  
+  /** blast some random strings through the analyzer */
+  public void testRandomStrings() throws Exception {
+    checkRandomData(random, analyzer, 10000*RANDOM_MULTIPLIER);
+  }
+}