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LUCENE-3969: add new random test for MappingCharFilter (sometimes fails, due to same final offset bug) 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene3969@1311765 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2012-04-10 14:49:36 +00:00
parent f97ac2d0cb
commit 6563a58a2a
1 changed files with 42 additions and 0 deletions
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42
modules/analysis/common/src/test/org/apache/lucene/analysis/charfilter/TestMappingCharFilter.java
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@ -19,6 +19,8 @@ package org.apache.lucene.analysis.charfilter;
import java.io.Reader;
import java.io.StringReader;
import java.util.HashSet;
import java.util.Set;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
@ -27,6 +29,7 @@ import org.apache.lucene.analysis.CharStream;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.util._TestUtil;
public class TestMappingCharFilter extends BaseTokenStreamTestCase {
@ -214,4 +217,43 @@ public class TestMappingCharFilter extends BaseTokenStreamTestCase {
String text = "gzw f quaxot";
checkAnalysisConsistency(random, analyzer, false, text);
}
// nocommit: this is intended to fail until we fix bugs
public void testRandomMaps() throws Exception {
for (int i = 0; i < 100; i++) {
final NormalizeCharMap map = randomMap();
Analyzer analyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(tokenizer, tokenizer);
}
@Override
protected Reader initReader(Reader reader) {
return new MappingCharFilter(map, CharReader.get(reader));
}
};
int numRounds = RANDOM_MULTIPLIER * 100;
checkRandomData(random, analyzer, numRounds);
}
}
private NormalizeCharMap randomMap() {
NormalizeCharMap map = new NormalizeCharMap();
// we can't add duplicate keys, or NormalizeCharMap gets angry
Set<String> keys = new HashSet<String>();
int num = random.nextInt(5);
//System.out.println("NormalizeCharMap=");
for (int i = 0; i < num; i++) {
String key = _TestUtil.randomSimpleString(random);
if (!keys.contains(key)) {
String value = _TestUtil.randomSimpleString(random);
map.add(key, value);
keys.add(key);
//System.out.println("mapping: '" + key + "' => '" + value + "'");
}
}
return map;
}
}