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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/fts/fts_spec.h"
#include "mongo/db/fts/fts_tokenizer.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace fts {
std::vector<std::string> tokenizeString(const char* str, const char* language) {
// To retrieve the FTSBasicTokenizer, use TEXT_INDEX_VERSION_2
auto tokenizer = FTSLanguage::make(language, TEXT_INDEX_VERSION_2).createTokenizer();
tokenizer->reset(str, FTSTokenizer::kNone);
std::vector<std::string> terms;
while (tokenizer->moveNext()) {
terms.push_back(tokenizer->get().toString());
}
return terms;
}
// Ensure punctuation is filtered out of the indexed document
// and the 's is not separated
TEST(FtsBasicTokenizer, English) {
std::vector<std::string> terms = tokenizeString("Do you see Mark's dog running?", "english");
ASSERT_EQUALS(6U, terms.size());
ASSERT_EQUALS("do", terms[0]);
ASSERT_EQUALS("you", terms[1]);
ASSERT_EQUALS("see", terms[2]);
ASSERT_EQUALS("mark", terms[3]);
ASSERT_EQUALS("dog", terms[4]);
ASSERT_EQUALS("run", terms[5]);
}
// Ensure punctuation is filtered out of the indexed document
// and the 's is separated
TEST(FtsBasicTokenizer, French) {
std::vector<std::string> terms = tokenizeString("Do you see Mark's dog running?", "french");
ASSERT_EQUALS(7U, terms.size());
ASSERT_EQUALS("do", terms[0]);
ASSERT_EQUALS("you", terms[1]);
ASSERT_EQUALS("se", terms[2]);
ASSERT_EQUALS("mark", terms[3]);
ASSERT_EQUALS("s", terms[4]);
ASSERT_EQUALS("dog", terms[5]);
ASSERT_EQUALS("running", terms[6]);
}
} // namespace fts
} // namespace mongo
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