+++ /dev/null
-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 org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.index.Payload;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.standard.StandardAnalyzer;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
-import org.apache.lucene.analysis.tokenattributes.FlagsAttribute;
-import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
-import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
-import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
-import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
-import org.apache.lucene.util.Version;
-
-public class TestSnowball extends BaseTokenStreamTestCase {
-
- public void testEnglish() throws Exception {
- Analyzer a = new SnowballAnalyzer(TEST_VERSION_CURRENT, "English");
- assertAnalyzesTo(a, "he abhorred accents",
- new String[]{"he", "abhor", "accent"});
- }
-
- public void testStopwords() throws Exception {
- Analyzer a = new SnowballAnalyzer(TEST_VERSION_CURRENT, "English",
- StandardAnalyzer.STOP_WORDS_SET);
- assertAnalyzesTo(a, "the quick brown fox jumped",
- new String[]{"quick", "brown", "fox", "jump"});
- }
-
- /**
- * Test english lowercasing. Test both cases (pre-3.1 and post-3.1) to ensure
- * we lowercase I correct for non-Turkish languages in either case.
- */
- public void testEnglishLowerCase() throws Exception {
- Analyzer a = new SnowballAnalyzer(TEST_VERSION_CURRENT, "English");
- assertAnalyzesTo(a, "cryogenic", new String[] { "cryogen" });
- assertAnalyzesTo(a, "CRYOGENIC", new String[] { "cryogen" });
-
- Analyzer b = new SnowballAnalyzer(Version.LUCENE_30, "English");
- assertAnalyzesTo(b, "cryogenic", new String[] { "cryogen" });
- assertAnalyzesTo(b, "CRYOGENIC", new String[] { "cryogen" });
- }
-
- /**
- * Test turkish lowercasing
- */
- public void testTurkish() throws Exception {
- Analyzer a = new SnowballAnalyzer(TEST_VERSION_CURRENT, "Turkish");
-
- assertAnalyzesTo(a, "ağacı", new String[] { "ağaç" });
- assertAnalyzesTo(a, "AĞACI", new String[] { "ağaç" });
- }
-
- /**
- * Test turkish lowercasing (old buggy behavior)
- * @deprecated Remove this when support for 3.0 indexes is no longer required
- */
- @Deprecated
- public void testTurkishBWComp() throws Exception {
- Analyzer a = new SnowballAnalyzer(Version.LUCENE_30, "Turkish");
- // AĞACI in turkish lowercases to ağacı, but with lowercase filter ağaci.
- // this fails due to wrong casing, because the stemmer
- // will only remove -ı, not -i
- assertAnalyzesTo(a, "ağacı", new String[] { "ağaç" });
- assertAnalyzesTo(a, "AĞACI", new String[] { "ağaci" });
- }
-
-
- public void testReusableTokenStream() throws Exception {
- Analyzer a = new SnowballAnalyzer(TEST_VERSION_CURRENT, "English");
- assertAnalyzesToReuse(a, "he abhorred accents",
- new String[]{"he", "abhor", "accent"});
- assertAnalyzesToReuse(a, "she abhorred him",
- new String[]{"she", "abhor", "him"});
- }
-
- public void testFilterTokens() throws Exception {
- SnowballFilter filter = new SnowballFilter(new TestTokenStream(), "English");
- CharTermAttribute termAtt = filter.getAttribute(CharTermAttribute.class);
- OffsetAttribute offsetAtt = filter.getAttribute(OffsetAttribute.class);
- TypeAttribute typeAtt = filter.getAttribute(TypeAttribute.class);
- PayloadAttribute payloadAtt = filter.getAttribute(PayloadAttribute.class);
- PositionIncrementAttribute posIncAtt = filter.getAttribute(PositionIncrementAttribute.class);
- FlagsAttribute flagsAtt = filter.getAttribute(FlagsAttribute.class);
-
- filter.incrementToken();
-
- assertEquals("accent", termAtt.toString());
- assertEquals(2, offsetAtt.startOffset());
- assertEquals(7, offsetAtt.endOffset());
- assertEquals("wrd", typeAtt.type());
- assertEquals(3, posIncAtt.getPositionIncrement());
- assertEquals(77, flagsAtt.getFlags());
- assertEquals(new Payload(new byte[]{0,1,2,3}), payloadAtt.getPayload());
- }
-
- private final class TestTokenStream extends TokenStream {
- private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
- private final OffsetAttribute offsetAtt = addAttribute(OffsetAttribute.class);
- private final TypeAttribute typeAtt = addAttribute(TypeAttribute.class);
- private final PayloadAttribute payloadAtt = addAttribute(PayloadAttribute.class);
- private final PositionIncrementAttribute posIncAtt = addAttribute(PositionIncrementAttribute.class);
- private final FlagsAttribute flagsAtt = addAttribute(FlagsAttribute.class);
-
- TestTokenStream() {
- super();
- }
-
- @Override
- public boolean incrementToken() {
- clearAttributes();
- termAtt.setEmpty().append("accents");
- offsetAtt.setOffset(2, 7);
- typeAtt.setType("wrd");
- posIncAtt.setPositionIncrement(3);
- payloadAtt.setPayload(new Payload(new byte[]{0,1,2,3}));
- flagsAtt.setFlags(77);
- return true;
- }
- }
-}
\ No newline at end of file
fnp / pylucene.git / blobdiff