pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/de/TestGermanMinimalStemFilter.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/de/TestGermanMinimalStemFilter.java
new file mode 100644 (file)
index 0000000..521721f
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/de/TestGermanMinimalStemFilter.java
@@ -0,0 +1,65 @@
+package org.apache.lucene.analysis.de;
+
+/**
+ * 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.MockTokenizer;
+import org.apache.lucene.analysis.Tokenizer;
+import org.apache.lucene.analysis.ReusableAnalyzerBase;
+
+import static org.apache.lucene.analysis.VocabularyAssert.*;
+
+/**
+ * Simple tests for {@link GermanMinimalStemFilter}
+ */
+public class TestGermanMinimalStemFilter extends BaseTokenStreamTestCase {
+  private Analyzer analyzer = new ReusableAnalyzerBase() {
+    @Override
+    protected TokenStreamComponents createComponents(String fieldName,
+        Reader reader) {
+      Tokenizer source = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
+      return new TokenStreamComponents(source, new GermanMinimalStemFilter(source));
+    }
+  };
+  
+  /** Test some examples from the paper */
+  public void testExamples() throws IOException {
+    checkOneTerm(analyzer, "sängerinnen", "sangerin");
+    checkOneTerm(analyzer, "frauen", "frau");
+    checkOneTerm(analyzer, "kenntnisse", "kenntnis");
+    checkOneTerm(analyzer, "staates", "staat");
+    checkOneTerm(analyzer, "bilder", "bild");
+    checkOneTerm(analyzer, "boote", "boot");
+    checkOneTerm(analyzer, "götter", "gott");
+    checkOneTerm(analyzer, "äpfel", "apfel");
+  }
+  
+  /** Test against a vocabulary from the reference impl */
+  public void testVocabulary() throws IOException {
+    assertVocabulary(analyzer, getDataFile("deminimaltestdata.zip"), "deminimal.txt");
+  }
+  
+  /** blast some random strings through the analyzer */
+  public void testRandomStrings() throws Exception {
+    checkRandomData(random, analyzer, 10000*RANDOM_MULTIPLIER);
+  }
+}