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// Copyright 2016 Google Inc.
//
// Licensed 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.!
#include "unigram_model_trainer.h"
#include "builder.h"
#include "normalizer.h"
#include "sentencepiece_model.pb.h"
#include "sentencepiece_processor.h"
#include "testharness.h"
#include "util.h"
namespace sentencepiece {
namespace unigram {
// Space symbol
#define WS "\xe2\x96\x81"
TEST(UnigramTrainerTest, TrainerModelTest) {
TrainerSpec trainer_spec;
NormalizerSpec normalizer_spec;
const TrainerModel model(trainer_spec, normalizer_spec);
EXPECT_EQ(EncodeResult(), model.Encode("test"));
}
TEST(UnigramTrainerTest, EndToEndTest) {
TrainerSpec trainer_spec;
trainer_spec.add_input("../data/wagahaiwa_nekodearu.txt");
NormalizerSpec normalizer_spec;
normalizer_spec.set_name("identity");
EXPECT_OK(normalizer::Builder::PopulateNormalizationSpec(&normalizer_spec));
constexpr int kVocabSize = 8000;
trainer_spec.set_vocab_size(kVocabSize);
trainer_spec.set_model_type(TrainerSpec::UNIGRAM);
trainer_spec.add_control_symbols("<ctrl>");
trainer_spec.add_user_defined_symbols("<user>");
test::ScopedTempFile sf("tmp_model");
trainer_spec.set_model_prefix(sf.filename());
unigram::Trainer trainer(trainer_spec, normalizer_spec);
EXPECT_OK(trainer.Train());
SentencePieceProcessor sp;
EXPECT_OK(sp.Load(std::string(sf.filename()) + ".model"));
EXPECT_EQ(kVocabSize, sp.GetPieceSize());
const int cid = sp.PieceToId("<ctrl>");
const int uid = sp.PieceToId("<user>");
EXPECT_TRUE(sp.IsControl(cid));
EXPECT_FALSE(sp.IsUnknown(uid));
std::vector<std::string> tok;
sp.Encode("", &tok);
EXPECT_TRUE(tok.empty());
sp.Encode(
"吾輩《わがはい》は猫である。名前はまだ無い。"
"どこで生れたかとんと見当《けんとう》がつかぬ。"
"何でも薄暗いじめじめした所でニャーニャー泣いていた事だけは記憶している"
"。",
&tok);
EXPECT_EQ(WS
" 吾輩 《 わが はい 》 は 猫 である 。 名前 はまだ 無い 。 "
"どこ で 生 れた か とん と 見当 《 けん とう 》 が つか ぬ 。 "
"何でも 薄 暗 い じめ じめ した 所で ニャーニャー "
"泣 い ていた 事 だけは 記憶 している 。",
string_util::Join(tok, " "));
}
} // namespace unigram
} // namespace sentencepiece
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