--- /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 org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.apache.lucene.store.RAMDirectory;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.TermRangeFilter;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.TermRangeQuery;
+import org.apache.lucene.search.Searcher;
+import org.apache.lucene.search.Sort;
+import org.apache.lucene.search.SortField;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.util.IndexableBinaryStringTools;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class CollationTestBase extends LuceneTestCase {
+
+ protected String firstRangeBeginningOriginal = "\u062F";
+ protected String firstRangeEndOriginal = "\u0698";
+
+ protected String secondRangeBeginningOriginal = "\u0633";
+ protected String secondRangeEndOriginal = "\u0638";
+
+ /**
+ * Convenience method to perform the same function as CollationKeyFilter.
+ *
+ * @param keyBits the result from
+ * collator.getCollationKey(original).toByteArray()
+ * @return The encoded collation key for the original String
+ */
+ protected String encodeCollationKey(byte[] keyBits) {
+ // Ensure that the backing char[] array is large enough to hold the encoded
+ // Binary String
+ int encodedLength = IndexableBinaryStringTools.getEncodedLength(keyBits, 0, keyBits.length);
+ char[] encodedBegArray = new char[encodedLength];
+ IndexableBinaryStringTools.encode(keyBits, 0, keyBits.length, encodedBegArray, 0, encodedLength);
+ return new String(encodedBegArray);
+ }
+
+ public void testFarsiRangeFilterCollating(Analyzer analyzer, String firstBeg,
+ String firstEnd, String secondBeg,
+ String secondEnd) throws Exception {
+ RAMDirectory ramDir = new RAMDirectory();
+ IndexWriter writer = new IndexWriter(ramDir, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, analyzer));
+ Document doc = new Document();
+ doc.add(new Field("content", "\u0633\u0627\u0628",
+ Field.Store.YES, Field.Index.ANALYZED));
+ doc.add(new Field("body", "body",
+ Field.Store.YES, Field.Index.NOT_ANALYZED));
+ writer.addDocument(doc);
+ writer.close();
+ IndexReader reader = IndexReader.open(ramDir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+ Query query = new TermQuery(new Term("body","body"));
+
+ // Unicode order would include U+0633 in [ U+062F - U+0698 ], but Farsi
+ // orders the U+0698 character before the U+0633 character, so the single
+ // index Term below should NOT be returned by a TermRangeFilter with a Farsi
+ // Collator (or an Arabic one for the case when Farsi searcher not
+ // supported).
+ ScoreDoc[] result = searcher.search
+ (query, new TermRangeFilter("content", firstBeg, firstEnd, true, true), 1).scoreDocs;
+ assertEquals("The index Term should not be included.", 0, result.length);
+
+ result = searcher.search
+ (query, new TermRangeFilter("content", secondBeg, secondEnd, true, true), 1).scoreDocs;
+ assertEquals("The index Term should be included.", 1, result.length);
+
+ searcher.close();
+ reader.close();
+ }
+
+ public void testFarsiRangeQueryCollating(Analyzer analyzer, String firstBeg,
+ String firstEnd, String secondBeg,
+ String secondEnd) throws Exception {
+ RAMDirectory ramDir = new RAMDirectory();
+ IndexWriter writer = new IndexWriter(ramDir, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, analyzer));
+ Document doc = new Document();
+
+ // Unicode order would include U+0633 in [ U+062F - U+0698 ], but Farsi
+ // orders the U+0698 character before the U+0633 character, so the single
+ // index Term below should NOT be returned by a TermRangeQuery with a Farsi
+ // Collator (or an Arabic one for the case when Farsi is not supported).
+ doc.add(new Field("content", "\u0633\u0627\u0628",
+ Field.Store.YES, Field.Index.ANALYZED));
+ writer.addDocument(doc);
+ writer.close();
+ IndexReader reader = IndexReader.open(ramDir);
+ IndexSearcher searcher = new IndexSearcher(reader);
+
+ Query query = new TermRangeQuery("content", firstBeg, firstEnd, true, true);
+ ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
+ assertEquals("The index Term should not be included.", 0, hits.length);
+
+ query = new TermRangeQuery("content", secondBeg, secondEnd, true, true);
+ hits = searcher.search(query, null, 1000).scoreDocs;
+ assertEquals("The index Term should be included.", 1, hits.length);
+ searcher.close();
+ reader.close();
+ }
+
+ public void testFarsiTermRangeQuery(Analyzer analyzer, String firstBeg,
+ String firstEnd, String secondBeg, String secondEnd) throws Exception {
+
+ RAMDirectory farsiIndex = new RAMDirectory();
+ IndexWriter writer = new IndexWriter(farsiIndex, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, analyzer));
+ Document doc = new Document();
+ doc.add(new Field("content", "\u0633\u0627\u0628",
+ Field.Store.YES, Field.Index.ANALYZED));
+ doc.add(new Field("body", "body",
+ Field.Store.YES, Field.Index.NOT_ANALYZED));
+ writer.addDocument(doc);
+ writer.close();
+
+ IndexReader reader = IndexReader.open(farsiIndex, true);
+ IndexSearcher search = newSearcher(reader);
+
+ // Unicode order would include U+0633 in [ U+062F - U+0698 ], but Farsi
+ // orders the U+0698 character before the U+0633 character, so the single
+ // index Term below should NOT be returned by a TermRangeQuery
+ // with a Farsi Collator (or an Arabic one for the case when Farsi is
+ // not supported).
+ Query csrq
+ = new TermRangeQuery("content", firstBeg, firstEnd, true, true);
+ ScoreDoc[] result = search.search(csrq, null, 1000).scoreDocs;
+ assertEquals("The index Term should not be included.", 0, result.length);
+
+ csrq = new TermRangeQuery
+ ("content", secondBeg, secondEnd, true, true);
+ result = search.search(csrq, null, 1000).scoreDocs;
+ assertEquals("The index Term should be included.", 1, result.length);
+ search.close();
+ }
+
+ // Test using various international locales with accented characters (which
+ // sort differently depending on locale)
+ //
+ // Copied (and slightly modified) from
+ // org.apache.lucene.search.TestSort.testInternationalSort()
+ //
+ // TODO: this test is really fragile. there are already 3 different cases,
+ // depending upon unicode version.
+ public void testCollationKeySort(Analyzer usAnalyzer,
+ Analyzer franceAnalyzer,
+ Analyzer swedenAnalyzer,
+ Analyzer denmarkAnalyzer,
+ String usResult,
+ String frResult,
+ String svResult,
+ String dkResult) throws Exception {
+ RAMDirectory indexStore = new RAMDirectory();
+ PerFieldAnalyzerWrapper analyzer
+ = new PerFieldAnalyzerWrapper(new WhitespaceAnalyzer(TEST_VERSION_CURRENT));
+ analyzer.addAnalyzer("US", usAnalyzer);
+ analyzer.addAnalyzer("France", franceAnalyzer);
+ analyzer.addAnalyzer("Sweden", swedenAnalyzer);
+ analyzer.addAnalyzer("Denmark", denmarkAnalyzer);
+ IndexWriter writer = new IndexWriter(indexStore, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, analyzer));
+
+ // document data:
+ // the tracer field is used to determine which document was hit
+ String[][] sortData = new String[][] {
+ // tracer contents US France Sweden (sv_SE) Denmark (da_DK)
+ { "A", "x", "p\u00EAche", "p\u00EAche", "p\u00EAche", "p\u00EAche" },
+ { "B", "y", "HAT", "HAT", "HAT", "HAT" },
+ { "C", "x", "p\u00E9ch\u00E9", "p\u00E9ch\u00E9", "p\u00E9ch\u00E9", "p\u00E9ch\u00E9" },
+ { "D", "y", "HUT", "HUT", "HUT", "HUT" },
+ { "E", "x", "peach", "peach", "peach", "peach" },
+ { "F", "y", "H\u00C5T", "H\u00C5T", "H\u00C5T", "H\u00C5T" },
+ { "G", "x", "sin", "sin", "sin", "sin" },
+ { "H", "y", "H\u00D8T", "H\u00D8T", "H\u00D8T", "H\u00D8T" },
+ { "I", "x", "s\u00EDn", "s\u00EDn", "s\u00EDn", "s\u00EDn" },
+ { "J", "y", "HOT", "HOT", "HOT", "HOT" },
+ };
+
+ for (int i = 0 ; i < sortData.length ; ++i) {
+ Document doc = new Document();
+ doc.add(new Field("tracer", sortData[i][0],
+ Field.Store.YES, Field.Index.NO));
+ doc.add(new Field("contents", sortData[i][1],
+ Field.Store.NO, Field.Index.ANALYZED));
+ if (sortData[i][2] != null)
+ doc.add(new Field("US", sortData[i][2],
+ Field.Store.NO, Field.Index.ANALYZED));
+ if (sortData[i][3] != null)
+ doc.add(new Field("France", sortData[i][3],
+ Field.Store.NO, Field.Index.ANALYZED));
+ if (sortData[i][4] != null)
+ doc.add(new Field("Sweden", sortData[i][4],
+ Field.Store.NO, Field.Index.ANALYZED));
+ if (sortData[i][5] != null)
+ doc.add(new Field("Denmark", sortData[i][5],
+ Field.Store.NO, Field.Index.ANALYZED));
+ writer.addDocument(doc);
+ }
+ writer.forceMerge(1);
+ writer.close();
+ IndexReader reader = IndexReader.open(indexStore);
+ IndexSearcher searcher = new IndexSearcher(reader);
+
+ Sort sort = new Sort();
+ Query queryX = new TermQuery(new Term ("contents", "x"));
+ Query queryY = new TermQuery(new Term ("contents", "y"));
+
+ sort.setSort(new SortField("US", SortField.STRING));
+ assertMatches(searcher, queryY, sort, usResult);
+
+ sort.setSort(new SortField("France", SortField.STRING));
+ assertMatches(searcher, queryX, sort, frResult);
+
+ sort.setSort(new SortField("Sweden", SortField.STRING));
+ assertMatches(searcher, queryY, sort, svResult);
+
+ sort.setSort(new SortField("Denmark", SortField.STRING));
+ assertMatches(searcher, queryY, sort, dkResult);
+ searcher.close();
+ reader.close();
+ }
+
+ // Make sure the documents returned by the search match the expected list
+ // Copied from TestSort.java
+ private void assertMatches(Searcher searcher, Query query, Sort sort,
+ String expectedResult) throws IOException {
+ ScoreDoc[] result = searcher.search(query, null, 1000, sort).scoreDocs;
+ StringBuilder buff = new StringBuilder(10);
+ int n = result.length;
+ for (int i = 0 ; i < n ; ++i) {
+ Document doc = searcher.doc(result[i].doc);
+ String[] v = doc.getValues("tracer");
+ for (int j = 0 ; j < v.length ; ++j) {
+ buff.append(v[j]);
+ }
+ }
+ assertEquals(expectedResult, buff.toString());
+ }
+
+ public void assertThreadSafe(final Analyzer analyzer) throws Exception {
+ int numTestPoints = 100;
+ int numThreads = _TestUtil.nextInt(random, 3, 5);
+ final HashMap<String,String> map = new HashMap<String,String>();
+
+ // create a map<String,SortKey> up front.
+ // then with multiple threads, generate sort keys for all the keys in the map
+ // and ensure they are the same as the ones we produced in serial fashion.
+
+ for (int i = 0; i < numTestPoints; i++) {
+ String term = _TestUtil.randomSimpleString(random);
+ TokenStream ts = analyzer.reusableTokenStream("fake", new StringReader(term));
+ CharTermAttribute encodedBytes = ts.addAttribute(CharTermAttribute.class);
+ ts.reset();
+ assertTrue(ts.incrementToken());
+ // ensure we make a copy of the actual bytes too
+ map.put(term, encodedBytes.toString());
+ }
+
+ Thread threads[] = new Thread[numThreads];
+ for (int i = 0; i < numThreads; i++) {
+ threads[i] = new Thread() {
+ @Override
+ public void run() {
+ try {
+ for (Map.Entry<String,String> mapping : map.entrySet()) {
+ String term = mapping.getKey();
+ String expected = mapping.getValue();
+ TokenStream ts = analyzer.reusableTokenStream("fake", new StringReader(term));
+ CharTermAttribute encodedBytes = ts.addAttribute(CharTermAttribute.class);
+ ts.reset();
+ assertTrue(ts.incrementToken());
+ assertEquals(expected, encodedBytes.toString());
+ }
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+ }
+ for (int i = 0; i < numThreads; i++) {
+ threads[i].start();
+ }
+ for (int i = 0; i < numThreads; i++) {
+ threads[i].join();
+ }
+ }
+}
fnp / pylucene.git / blobdiff