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* the Apache License, Version 2.0 (the "License"); you may
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* 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,
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package org.elasticsearch.index.analysis;
import java.io.IOException;
import org.apache.lucene.analysis.CannedTokenStream;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.TokenStream;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.test.ESTokenStreamTestCase;
import org.elasticsearch.test.IndexSettingsModule;
public class FlattenGraphTokenFilterFactoryTests extends ESTokenStreamTestCase {
public void testBasic() throws IOException {
Index index = new Index("test", "_na_");
String name = "ngr";
Settings indexSettings = newAnalysisSettingsBuilder().build();
IndexSettings indexProperties = IndexSettingsModule.newIndexSettings(index, indexSettings);
Settings settings = newAnalysisSettingsBuilder().build();
// "wow that's funny" and "what the fudge" are separate side paths, in parallel with "wtf", on input:
TokenStream in = new CannedTokenStream(0, 12, new Token[] {
token("wtf", 1, 5, 0, 3),
token("what", 0, 1, 0, 3),
token("wow", 0, 3, 0, 3),
token("the", 1, 1, 0, 3),
token("fudge", 1, 3, 0, 3),
token("that's", 1, 1, 0, 3),
token("funny", 1, 1, 0, 3),
token("happened", 1, 1, 4, 12)
});
TokenStream tokens = new FlattenGraphTokenFilterFactory(indexProperties, null, name, settings).create(in);
// ... but on output, it's flattened to wtf/what/wow that's/the fudge/funny happened:
assertTokenStreamContents(tokens,
new String[] {"wtf", "what", "wow", "the", "that's", "fudge", "funny", "happened"},
new int[] {0, 0, 0, 0, 0, 0, 0, 4},
new int[] {3, 3, 3, 3, 3, 3, 3, 12},
new int[] {1, 0, 0, 1, 0, 1, 0, 1},
new int[] {3, 1, 1, 1, 1, 1, 1, 1},
12);
}
private static Token token(String term, int posInc, int posLength, int startOffset, int endOffset) {
final Token t = new Token(term, startOffset, endOffset);
t.setPositionIncrement(posInc);
t.setPositionLength(posLength);
return t;
}
}