+++ /dev/null
-package org.apache.lucene.analysis;
-
-import org.apache.lucene.analysis.standard.ClassicAnalyzer;
-
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.index.TermPositions;
-import org.apache.lucene.store.RAMDirectory;
-import org.apache.lucene.util.Version;
-
-import java.io.IOException;
-import java.util.Arrays;
-
-
-/**
- * Copyright 2004 The Apache Software Foundation
- * <p/>
- * 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
- * <p/>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p/>
- * 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.
- */
-
-public class TestClassicAnalyzer extends BaseTokenStreamTestCase {
-
- private Analyzer a = new ClassicAnalyzer(TEST_VERSION_CURRENT);
-
- public void testMaxTermLength() throws Exception {
- ClassicAnalyzer sa = new ClassicAnalyzer(TEST_VERSION_CURRENT);
- sa.setMaxTokenLength(5);
- assertAnalyzesTo(sa, "ab cd toolong xy z", new String[]{"ab", "cd", "xy", "z"});
- }
-
- public void testMaxTermLength2() throws Exception {
- ClassicAnalyzer sa = new ClassicAnalyzer(TEST_VERSION_CURRENT);
- assertAnalyzesTo(sa, "ab cd toolong xy z", new String[]{"ab", "cd", "toolong", "xy", "z"});
- sa.setMaxTokenLength(5);
-
- assertAnalyzesTo(sa, "ab cd toolong xy z", new String[]{"ab", "cd", "xy", "z"}, new int[]{1, 1, 2, 1});
- }
-
- public void testMaxTermLength3() throws Exception {
- char[] chars = new char[255];
- for(int i=0;i<255;i++)
- chars[i] = 'a';
- String longTerm = new String(chars, 0, 255);
-
- assertAnalyzesTo(a, "ab cd " + longTerm + " xy z", new String[]{"ab", "cd", longTerm, "xy", "z"});
- assertAnalyzesTo(a, "ab cd " + longTerm + "a xy z", new String[]{"ab", "cd", "xy", "z"});
- }
-
- public void testAlphanumeric() throws Exception {
- // alphanumeric tokens
- assertAnalyzesTo(a, "B2B", new String[]{"b2b"});
- assertAnalyzesTo(a, "2B", new String[]{"2b"});
- }
-
- public void testUnderscores() throws Exception {
- // underscores are delimiters, but not in email addresses (below)
- assertAnalyzesTo(a, "word_having_underscore", new String[]{"word", "having", "underscore"});
- assertAnalyzesTo(a, "word_with_underscore_and_stopwords", new String[]{"word", "underscore", "stopwords"});
- }
-
- public void testDelimiters() throws Exception {
- // other delimiters: "-", "/", ","
- assertAnalyzesTo(a, "some-dashed-phrase", new String[]{"some", "dashed", "phrase"});
- assertAnalyzesTo(a, "dogs,chase,cats", new String[]{"dogs", "chase", "cats"});
- assertAnalyzesTo(a, "ac/dc", new String[]{"ac", "dc"});
- }
-
- public void testApostrophes() throws Exception {
- // internal apostrophes: O'Reilly, you're, O'Reilly's
- // possessives are actually removed by StardardFilter, not the tokenizer
- assertAnalyzesTo(a, "O'Reilly", new String[]{"o'reilly"});
- assertAnalyzesTo(a, "you're", new String[]{"you're"});
- assertAnalyzesTo(a, "she's", new String[]{"she"});
- assertAnalyzesTo(a, "Jim's", new String[]{"jim"});
- assertAnalyzesTo(a, "don't", new String[]{"don't"});
- assertAnalyzesTo(a, "O'Reilly's", new String[]{"o'reilly"});
- }
-
- public void testTSADash() throws Exception {
- // t and s had been stopwords in Lucene <= 2.0, which made it impossible
- // to correctly search for these terms:
- assertAnalyzesTo(a, "s-class", new String[]{"s", "class"});
- assertAnalyzesTo(a, "t-com", new String[]{"t", "com"});
- // 'a' is still a stopword:
- assertAnalyzesTo(a, "a-class", new String[]{"class"});
- }
-
- public void testCompanyNames() throws Exception {
- // company names
- assertAnalyzesTo(a, "AT&T", new String[]{"at&t"});
- assertAnalyzesTo(a, "Excite@Home", new String[]{"excite@home"});
- }
-
- public void testLucene1140() throws Exception {
- try {
- ClassicAnalyzer analyzer = new ClassicAnalyzer(TEST_VERSION_CURRENT);
- assertAnalyzesTo(analyzer, "www.nutch.org.", new String[]{ "www.nutch.org" }, new String[] { "<HOST>" });
- } catch (NullPointerException e) {
- fail("Should not throw an NPE and it did");
- }
-
- }
-
- public void testDomainNames() throws Exception {
- // Current lucene should not show the bug
- ClassicAnalyzer a2 = new ClassicAnalyzer(TEST_VERSION_CURRENT);
-
- // domain names
- assertAnalyzesTo(a2, "www.nutch.org", new String[]{"www.nutch.org"});
- //Notice the trailing . See https://issues.apache.org/jira/browse/LUCENE-1068.
- // the following should be recognized as HOST:
- assertAnalyzesTo(a2, "www.nutch.org.", new String[]{ "www.nutch.org" }, new String[] { "<HOST>" });
-
- // 2.3 should show the bug
- a2 = new ClassicAnalyzer(org.apache.lucene.util.Version.LUCENE_23);
- assertAnalyzesTo(a2, "www.nutch.org.", new String[]{ "wwwnutchorg" }, new String[] { "<ACRONYM>" });
-
- // 2.4 should not show the bug
- a2 = new ClassicAnalyzer(Version.LUCENE_24);
- assertAnalyzesTo(a2, "www.nutch.org.", new String[]{ "www.nutch.org" }, new String[] { "<HOST>" });
- }
-
- public void testEMailAddresses() throws Exception {
- // email addresses, possibly with underscores, periods, etc
- assertAnalyzesTo(a, "test@example.com", new String[]{"test@example.com"});
- assertAnalyzesTo(a, "first.lastname@example.com", new String[]{"first.lastname@example.com"});
- assertAnalyzesTo(a, "first_lastname@example.com", new String[]{"first_lastname@example.com"});
- }
-
- public void testNumeric() throws Exception {
- // floating point, serial, model numbers, ip addresses, etc.
- // every other segment must have at least one digit
- assertAnalyzesTo(a, "21.35", new String[]{"21.35"});
- assertAnalyzesTo(a, "R2D2 C3PO", new String[]{"r2d2", "c3po"});
- assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
- assertAnalyzesTo(a, "1-2-3", new String[]{"1-2-3"});
- assertAnalyzesTo(a, "a1-b2-c3", new String[]{"a1-b2-c3"});
- assertAnalyzesTo(a, "a1-b-c3", new String[]{"a1-b-c3"});
- }
-
- public void testTextWithNumbers() throws Exception {
- // numbers
- assertAnalyzesTo(a, "David has 5000 bones", new String[]{"david", "has", "5000", "bones"});
- }
-
- public void testVariousText() throws Exception {
- // various
- assertAnalyzesTo(a, "C embedded developers wanted", new String[]{"c", "embedded", "developers", "wanted"});
- assertAnalyzesTo(a, "foo bar FOO BAR", new String[]{"foo", "bar", "foo", "bar"});
- assertAnalyzesTo(a, "foo bar . FOO <> BAR", new String[]{"foo", "bar", "foo", "bar"});
- assertAnalyzesTo(a, "\"QUOTED\" word", new String[]{"quoted", "word"});
- }
-
- public void testAcronyms() throws Exception {
- // acronyms have their dots stripped
- assertAnalyzesTo(a, "U.S.A.", new String[]{"usa"});
- }
-
- public void testCPlusPlusHash() throws Exception {
- // It would be nice to change the grammar in StandardTokenizer.jj to make "C#" and "C++" end up as tokens.
- assertAnalyzesTo(a, "C++", new String[]{"c"});
- assertAnalyzesTo(a, "C#", new String[]{"c"});
- }
-
- public void testKorean() throws Exception {
- // Korean words
- assertAnalyzesTo(a, "안녕하세요 한글입니다", new String[]{"안녕하세요", "한글입니다"});
- }
-
- // Compliance with the "old" JavaCC-based analyzer, see:
- // https://issues.apache.org/jira/browse/LUCENE-966#action_12516752
-
- public void testComplianceFileName() throws Exception {
- assertAnalyzesTo(a, "2004.jpg",
- new String[]{"2004.jpg"},
- new String[]{"<HOST>"});
- }
-
- public void testComplianceNumericIncorrect() throws Exception {
- assertAnalyzesTo(a, "62.46",
- new String[]{"62.46"},
- new String[]{"<HOST>"});
- }
-
- public void testComplianceNumericLong() throws Exception {
- assertAnalyzesTo(a, "978-0-94045043-1",
- new String[]{"978-0-94045043-1"},
- new String[]{"<NUM>"});
- }
-
- public void testComplianceNumericFile() throws Exception {
- assertAnalyzesTo(
- a,
- "78academyawards/rules/rule02.html",
- new String[]{"78academyawards/rules/rule02.html"},
- new String[]{"<NUM>"});
- }
-
- public void testComplianceNumericWithUnderscores() throws Exception {
- assertAnalyzesTo(
- a,
- "2006-03-11t082958z_01_ban130523_rtridst_0_ozabs",
- new String[]{"2006-03-11t082958z_01_ban130523_rtridst_0_ozabs"},
- new String[]{"<NUM>"});
- }
-
- public void testComplianceNumericWithDash() throws Exception {
- assertAnalyzesTo(a, "mid-20th", new String[]{"mid-20th"},
- new String[]{"<NUM>"});
- }
-
- public void testComplianceManyTokens() throws Exception {
- assertAnalyzesTo(
- a,
- "/money.cnn.com/magazines/fortune/fortune_archive/2007/03/19/8402357/index.htm "
- + "safari-0-sheikh-zayed-grand-mosque.jpg",
- new String[]{"money.cnn.com", "magazines", "fortune",
- "fortune", "archive/2007/03/19/8402357", "index.htm",
- "safari-0-sheikh", "zayed", "grand", "mosque.jpg"},
- new String[]{"<HOST>", "<ALPHANUM>", "<ALPHANUM>",
- "<ALPHANUM>", "<NUM>", "<HOST>", "<NUM>", "<ALPHANUM>",
- "<ALPHANUM>", "<HOST>"});
- }
-
- public void testJava14BWCompatibility() throws Exception {
- ClassicAnalyzer sa = new ClassicAnalyzer(Version.LUCENE_30);
- assertAnalyzesTo(sa, "test\u02C6test", new String[] { "test", "test" });
- }
-
- /**
- * Make sure we skip wicked long terms.
- */
- public void testWickedLongTerm() throws IOException {
- RAMDirectory dir = new RAMDirectory();
- IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
- TEST_VERSION_CURRENT, new ClassicAnalyzer(TEST_VERSION_CURRENT)));
-
- char[] chars = new char[IndexWriter.MAX_TERM_LENGTH];
- Arrays.fill(chars, 'x');
- Document doc = new Document();
- final String bigTerm = new String(chars);
-
- // This produces a too-long term:
- String contents = "abc xyz x" + bigTerm + " another term";
- doc.add(new Field("content", contents, Field.Store.NO, Field.Index.ANALYZED));
- writer.addDocument(doc);
-
- // Make sure we can add another normal document
- doc = new Document();
- doc.add(new Field("content", "abc bbb ccc", Field.Store.NO, Field.Index.ANALYZED));
- writer.addDocument(doc);
- writer.close();
-
- IndexReader reader = IndexReader.open(dir, true);
-
- // Make sure all terms < max size were indexed
- assertEquals(2, reader.docFreq(new Term("content", "abc")));
- assertEquals(1, reader.docFreq(new Term("content", "bbb")));
- assertEquals(1, reader.docFreq(new Term("content", "term")));
- assertEquals(1, reader.docFreq(new Term("content", "another")));
-
- // Make sure position is still incremented when
- // massive term is skipped:
- TermPositions tps = reader.termPositions(new Term("content", "another"));
- assertTrue(tps.next());
- assertEquals(1, tps.freq());
- assertEquals(3, tps.nextPosition());
-
- // Make sure the doc that has the massive term is in
- // the index:
- assertEquals("document with wicked long term should is not in the index!", 2, reader.numDocs());
-
- reader.close();
-
- // Make sure we can add a document with exactly the
- // maximum length term, and search on that term:
- doc = new Document();
- doc.add(new Field("content", bigTerm, Field.Store.NO, Field.Index.ANALYZED));
- ClassicAnalyzer sa = new ClassicAnalyzer(TEST_VERSION_CURRENT);
- sa.setMaxTokenLength(100000);
- writer = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, sa));
- writer.addDocument(doc);
- writer.close();
- reader = IndexReader.open(dir, true);
- assertEquals(1, reader.docFreq(new Term("content", bigTerm)));
- reader.close();
-
- dir.close();
- }
-
- /** blast some random strings through the analyzer */
- public void testRandomStrings() throws Exception {
- checkRandomData(random, new ClassicAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);
- }
-}
fnp / pylucene.git / blobdiff