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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 "sentencepiece_model.pb.h"
#include "sentencepiece_processor.h"
#include "sentencepiece_trainer.h"
#include "testharness.h"
#include "third_party/absl/strings/str_cat.h"
#include "third_party/absl/strings/str_join.h"
#include "unigram_model_trainer.h"
#include "util.h"
namespace sentencepiece {
namespace unigram {
namespace {
// 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"));
}
static constexpr char kTestInputData[] = "wagahaiwa_nekodearu.txt";
TEST(UnigramTrainerTest, EndToEndTest) {
const std::string input =
util::JoinPath(absl::GetFlag(FLAGS_test_srcdir), kTestInputData);
ASSERT_TRUE(
SentencePieceTrainer::Train(
absl::StrCat(
"--model_prefix=",
util::JoinPath(absl::GetFlag(FLAGS_test_tmpdir), "tmp_model"),
" --input=", input,
" --vocab_size=8000 --normalization_rule_name=identity",
" --model_type=unigram --user_defined_symbols=<user>",
" --control_symbols=<ctrl> --max_sentence_length=2048"))
.ok());
SentencePieceProcessor sp;
EXPECT_TRUE(sp.Load(util::JoinPath(absl::GetFlag(FLAGS_test_tmpdir),
"tmp_model.model"))
.ok());
EXPECT_EQ(8000, 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;
EXPECT_TRUE(sp.Encode("", &tok).ok());
EXPECT_TRUE(tok.empty());
EXPECT_TRUE(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)
.ok());
// TODO(taku): Temporally disable this test on Windows.
#ifndef OS_WIN
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 。",
absl::StrJoin(tok, " "));
#endif
}
} // namespace
} // namespace unigram
} // namespace sentencepiece
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