--- /dev/null
+package org.apache.lucene.analysis.bg;
+
+/**
+ * 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.util.Collections;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.CharArraySet;
+import org.apache.lucene.util.Version;
+
+/**
+ * Test the Bulgarian analyzer
+ */
+public class TestBulgarianAnalyzer extends BaseTokenStreamTestCase {
+
+ /**
+ * This test fails with NPE when the stopwords file is missing in classpath
+ */
+ public void testResourcesAvailable() {
+ new BulgarianAnalyzer(TEST_VERSION_CURRENT);
+ }
+
+ public void testStopwords() throws IOException {
+ Analyzer a = new BulgarianAnalyzer(TEST_VERSION_CURRENT);
+ assertAnalyzesTo(a, "Как се казваш?", new String[] {"казваш"});
+ }
+
+ public void testCustomStopwords() throws IOException {
+ Analyzer a = new BulgarianAnalyzer(TEST_VERSION_CURRENT, Collections
+ .emptySet());
+ assertAnalyzesTo(a, "Как се казваш?",
+ new String[] {"как", "се", "казваш"});
+ }
+
+ public void testReusableTokenStream() throws IOException {
+ Analyzer a = new BulgarianAnalyzer(TEST_VERSION_CURRENT);
+ assertAnalyzesToReuse(a, "документи", new String[] {"документ"});
+ assertAnalyzesToReuse(a, "документ", new String[] {"документ"});
+ }
+
+ /**
+ * Test some examples from the paper
+ */
+ public void testBasicExamples() throws IOException {
+ Analyzer a = new BulgarianAnalyzer(TEST_VERSION_CURRENT);
+ assertAnalyzesTo(a, "енергийни кризи", new String[] {"енергийн", "криз"});
+ assertAnalyzesTo(a, "Атомната енергия", new String[] {"атомн", "енерг"});
+
+ assertAnalyzesTo(a, "компютри", new String[] {"компютр"});
+ assertAnalyzesTo(a, "компютър", new String[] {"компютр"});
+
+ assertAnalyzesTo(a, "градове", new String[] {"град"});
+ }
+
+ public void testWithStemExclusionSet() throws IOException {
+ CharArraySet set = new CharArraySet(Version.LUCENE_31, 1, true);
+ set.add("строеве");
+ Analyzer a = new BulgarianAnalyzer(TEST_VERSION_CURRENT, CharArraySet.EMPTY_SET, set);
+ assertAnalyzesTo(a, "строевете строеве", new String[] { "строй", "строеве" });
+ }
+
+ /** blast some random strings through the analyzer */
+ public void testRandomStrings() throws Exception {
+ checkRandomData(random, new BulgarianAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);
+ }
+}