--- /dev/null
+package org.apache.lucene.analysis;
+
+/**
+ * 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 java.io.StringReader;
+
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.analysis.TokenStream;
+import org.apache.lucene.analysis.Tokenizer;
+
+import static org.apache.lucene.analysis.VocabularyAssert.*;
+
+/**
+ * Test the PorterStemFilter with Martin Porter's test data.
+ */
+public class TestPorterStemFilter extends BaseTokenStreamTestCase {
+ Analyzer a = new ReusableAnalyzerBase() {
+ @Override
+ protected TokenStreamComponents createComponents(String fieldName,
+ Reader reader) {
+ Tokenizer t = new MockTokenizer(reader, MockTokenizer.KEYWORD, false);
+ return new TokenStreamComponents(t, new PorterStemFilter(t));
+ }
+ };
+
+ /**
+ * Run the stemmer against all strings in voc.txt
+ * The output should be the same as the string in output.txt
+ */
+ public void testPorterStemFilter() throws Exception {
+ assertVocabulary(a, getDataFile("porterTestData.zip"), "voc.txt", "output.txt");
+ }
+
+ public void testWithKeywordAttribute() throws IOException {
+ CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 1, true);
+ set.add("yourselves");
+ Tokenizer tokenizer = new MockTokenizer(new StringReader("yourselves yours"), MockTokenizer.WHITESPACE, false);
+ TokenStream filter = new PorterStemFilter(new KeywordMarkerFilter(tokenizer, set));
+ assertTokenStreamContents(filter, new String[] {"yourselves", "your"});
+ }
+
+ /** blast some random strings through the analyzer */
+ public void testRandomStrings() throws Exception {
+ checkRandomData(random, a, 10000*RANDOM_MULTIPLIER);
+ }
+}