package org.apache.lucene.analysis.el;
/**
* Copyright 2005 The Apache Software Foundation
*
* Licensed 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.util.Version;
/**
* A unit test class for verifying the correct operation of the GreekAnalyzer.
*
*/
public class GreekAnalyzerTest extends BaseTokenStreamTestCase {
/**
* Test the analysis of various greek strings.
*
* @throws Exception in case an error occurs
*/
public void testAnalyzer() throws Exception {
Analyzer a = new GreekAnalyzer(TEST_VERSION_CURRENT);
// Verify the correct analysis of capitals and small accented letters, and
// stemming
assertAnalyzesTo(a, "Μία εξαιρετικά καλή και πλούσια σειρά χαρακτήρων της Ελληνικής γλώσσας",
new String[] { "μια", "εξαιρετ", "καλ", "πλουσ", "σειρ", "χαρακτηρ",
"ελληνικ", "γλωσσ" });
// Verify the correct analysis of small letters with diaeresis and the elimination
// of punctuation marks
assertAnalyzesTo(a, "Προϊόντα (και) [πολλαπλές] - ΑΝΑΓΚΕΣ",
new String[] { "προιοντ", "πολλαπλ", "αναγκ" });
// Verify the correct analysis of capital accented letters and capital letters with diaeresis,
// as well as the elimination of stop words
assertAnalyzesTo(a, "ΠΡΟΫΠΟΘΕΣΕΙΣ Άψογος, ο μεστός και οι άλλοι",
new String[] { "προυποθεσ", "αψογ", "μεστ", "αλλ" });
}
/**
* Test the analysis of various greek strings.
*
* @throws Exception in case an error occurs
* @deprecated Remove this test when support for 3.0 is no longer needed
*/
@Deprecated
public void testAnalyzerBWCompat() throws Exception {
Analyzer a = new GreekAnalyzer(Version.LUCENE_30);
// Verify the correct analysis of capitals and small accented letters
assertAnalyzesTo(a, "Μία εξαιρετικά καλή και πλούσια σειρά χαρακτήρων της Ελληνικής γλώσσας",
new String[] { "μια", "εξαιρετικα", "καλη", "πλουσια", "σειρα", "χαρακτηρων",
"ελληνικησ", "γλωσσασ" });
// Verify the correct analysis of small letters with diaeresis and the elimination
// of punctuation marks
assertAnalyzesTo(a, "Προϊόντα (και) [πολλαπλές] - ΑΝΑΓΚΕΣ",
new String[] { "προιοντα", "πολλαπλεσ", "αναγκεσ" });
// Verify the correct analysis of capital accented letters and capital letters with diaeresis,
// as well as the elimination of stop words
assertAnalyzesTo(a, "ΠΡΟΫΠΟΘΕΣΕΙΣ Άψογος, ο μεστός και οι άλλοι",
new String[] { "προυποθεσεισ", "αψογοσ", "μεστοσ", "αλλοι" });
}
public void testReusableTokenStream() throws Exception {
Analyzer a = new GreekAnalyzer(TEST_VERSION_CURRENT);
// Verify the correct analysis of capitals and small accented letters, and
// stemming
assertAnalyzesToReuse(a, "Μία εξαιρετικά καλή και πλούσια σειρά χαρακτήρων της Ελληνικής γλώσσας",
new String[] { "μια", "εξαιρετ", "καλ", "πλουσ", "σειρ", "χαρακτηρ",
"ελληνικ", "γλωσσ" });
// Verify the correct analysis of small letters with diaeresis and the elimination
// of punctuation marks
assertAnalyzesToReuse(a, "Προϊόντα (και) [πολλαπλές] - ΑΝΑΓΚΕΣ",
new String[] { "προιοντ", "πολλαπλ", "αναγκ" });
// Verify the correct analysis of capital accented letters and capital letters with diaeresis,
// as well as the elimination of stop words
assertAnalyzesToReuse(a, "ΠΡΟΫΠΟΘΕΣΕΙΣ Άψογος, ο μεστός και οι άλλοι",
new String[] { "προυποθεσ", "αψογ", "μεστ", "αλλ" });
}
/**
* Greek Analyzer didn't call standardFilter, so no normalization of acronyms.
* check that this is preserved.
* @deprecated remove this test in Lucene 4.0
*/
@Deprecated
public void testAcronymBWCompat() throws Exception {
Analyzer a = new GreekAnalyzer(Version.LUCENE_30);
assertAnalyzesTo(a, "Α.Π.Τ.", new String[] { "α.π.τ." });
}
/**
* test that acronym normalization works
*/
public void testAcronym() throws Exception {
Analyzer a = new GreekAnalyzer(Version.LUCENE_31);
assertAnalyzesTo(a, "Α.Π.Τ.", new String[] { "απτ" });
}
}