mirror of https://github.com/apache/lucene.git
SOLR-6085: Suggester crashes when prefixToken is longer than surface form
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1638711 13f79535-47bb-0310-9956-ffa450edef68
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@ -695,12 +695,14 @@ public class AnalyzingInfixSuggester extends Lookup implements Closeable {
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protected void addPrefixMatch(StringBuilder sb, String surface, String analyzed, String prefixToken) {
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// TODO: apps can try to invert their analysis logic
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// here, e.g. downcase the two before checking prefix:
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if (prefixToken.length() >= surface.length()) {
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addWholeMatch(sb, surface, analyzed);
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return;
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}
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sb.append("<b>");
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sb.append(surface.substring(0, prefixToken.length()));
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sb.append("</b>");
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if (prefixToken.length() < surface.length()) {
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sb.append(surface.substring(prefixToken.length()));
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}
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sb.append(surface.substring(prefixToken.length()));
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}
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@Override
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@ -41,9 +41,11 @@ import org.apache.lucene.search.BooleanClause;
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import org.apache.lucene.search.suggest.Input;
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import org.apache.lucene.search.suggest.InputArrayIterator;
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import org.apache.lucene.search.suggest.Lookup.LookupResult;
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import org.apache.lucene.store.Directory;
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import org.apache.lucene.util.BytesRef;
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import org.apache.lucene.util.LuceneTestCase;
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import org.apache.lucene.util.TestUtil;
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import org.junit.Test;
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public class AnalyzingInfixSuggesterTest extends LuceneTestCase {
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@ -1076,4 +1078,28 @@ public class AnalyzingInfixSuggesterTest extends LuceneTestCase {
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suggester.close();
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}
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}
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@Test
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public void testAddPrefixMatch() throws IOException {
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Analyzer a = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false);
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Directory dir = newDirectory();
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AnalyzingInfixSuggester suggester = new AnalyzingInfixSuggester(dir, a);
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assertEquals("<b>Sol</b>r", pfmToString(suggester, "Solr", "Sol"));
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assertEquals("<b>Solr</b>", pfmToString(suggester, "Solr", "Solr"));
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// Test SOLR-6085 - the analyzed tokens match due to ss->ß normalization
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assertEquals("<b>daß</b>", pfmToString(suggester, "daß", "dass"));
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dir.close();
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suggester.close();
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}
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private String pfmToString(AnalyzingInfixSuggester suggester, String surface, String prefix) throws IOException {
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StringBuilder sb = new StringBuilder();
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suggester.addPrefixMatch(sb, surface, "", prefix);
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return sb.toString();
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}
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}
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@ -400,6 +400,8 @@ Bug Fixes
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* SOLR-6704: TrieDateField type drops schema properties in branch 4.10 (Tomás Fernández Löbbe)
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* SOLR-6085: Suggester crashes when prefixToken is longer than surface form (janhoy)
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================== 4.10.2 ==================
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Bug Fixes
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