410 lines
17 KiB
Python
410 lines
17 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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# Copyright 2019 Hugging Face inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import unittest
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from paddlenlp.transformers.albert.tokenizer import (
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AlbertChineseTokenizer,
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AlbertEnglishTokenizer,
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)
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from paddlenlp.transformers.bert.tokenizer import BasicTokenizer, WordpieceTokenizer
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from ...testing_utils import get_tests_dir, slow
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from ..test_tokenizer_common import TokenizerTesterMixin, filter_non_english
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SAMPLE_VOCAB = get_tests_dir("fixtures/spiece.model")
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class AlbertEnglishTokenizerTest(TokenizerTesterMixin, unittest.TestCase):
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tokenizer_class = AlbertEnglishTokenizer
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from_pretrained_vocab_key = "sentencepiece_model_file"
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test_sentencepiece = True
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test_sentencepiece_ignore_case = True
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def setUp(self):
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super().setUp()
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# We have a SentencePiece fixture for testing
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tokenizer = AlbertEnglishTokenizer(SAMPLE_VOCAB)
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tokenizer.save_pretrained(self.tmpdirname)
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def get_input_output_texts(self, tokenizer):
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input_text = "this is a test"
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output_text = "this is a test"
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return input_text, output_text
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def test_convert_token_and_id(self):
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"""Test ``_convert_token_to_id`` and ``_convert_id_to_token``."""
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token = "<pad>"
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token_id = 0
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self.assertEqual(self.get_tokenizer()._convert_token_to_id(token), token_id)
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self.assertEqual(self.get_tokenizer()._convert_id_to_token(token_id), token)
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def test_get_vocab(self):
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vocab_keys = list(self.get_tokenizer().get_vocab().keys())
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self.assertEqual(vocab_keys[0], "<pad>")
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self.assertEqual(vocab_keys[1], "<unk>")
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self.assertEqual(vocab_keys[-1], "▁eloquent")
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self.assertEqual(len(vocab_keys), 30_000)
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def test_vocab_size(self):
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self.assertEqual(self.get_tokenizer().vocab_size, 30_000)
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def test_full_tokenizer(self):
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tokenizer = AlbertEnglishTokenizer(SAMPLE_VOCAB, keep_accents=True)
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tokens = tokenizer.tokenize("This is a test")
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self.assertListEqual(tokens, ["▁this", "▁is", "▁a", "▁test"])
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self.assertListEqual(tokenizer.convert_tokens_to_ids(tokens), [48, 25, 21, 1289])
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tokens = tokenizer.tokenize("I was born in 92000, and this is falsé.")
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self.assertListEqual(
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tokens, ["▁i", "▁was", "▁born", "▁in", "▁9", "2000", ",", "▁and", "▁this", "▁is", "▁fal", "s", "é", "."]
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)
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ids = tokenizer.convert_tokens_to_ids(tokens)
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self.assertListEqual(ids, [31, 23, 386, 19, 561, 3050, 15, 17, 48, 25, 8256, 18, 1, 9])
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back_tokens = tokenizer.convert_ids_to_tokens(ids)
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self.assertListEqual(
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back_tokens,
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["▁i", "▁was", "▁born", "▁in", "▁9", "2000", ",", "▁and", "▁this", "▁is", "▁fal", "s", "<unk>", "."],
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)
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def test_sequence_builders(self):
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tokenizer = AlbertEnglishTokenizer(SAMPLE_VOCAB)
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text = tokenizer.encode("sequence builders")["input_ids"]
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text_2 = tokenizer.encode("multi-sequence build")["input_ids"]
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encoded_sentence = tokenizer.build_inputs_with_special_tokens(text)
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encoded_pair = tokenizer.build_inputs_with_special_tokens(text, text_2)
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assert encoded_sentence == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id]
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assert encoded_pair == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id] + text_2 + [
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tokenizer.sep_token_id
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]
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@slow
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def test_tokenizer_integration(self):
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# fmt: off
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expected_encoding = {
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'attention_mask': [
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[
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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],
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[
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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]],
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'input_ids': [
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[
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2, 21970, 13, 5, 6092, 167, 28, 7103, 2153, 673, 8, 7028, 12051,
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18, 17, 7103, 2153, 673, 8, 3515, 18684, 8, 4461, 6, 1927, 297,
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8, 12060, 2607, 18, 13, 5, 4461, 15, 10538, 38, 8, 135, 15, 822,
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58, 15, 993, 10363, 15, 1460, 8005, 4461, 15, 993, 255, 2328, 9,
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9, 9, 6, 26, 1112, 816, 3260, 13, 5, 103, 2377, 6, 17, 1112,
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816, 2782, 13, 5, 103, 10641, 6, 29, 84, 2512, 2430, 782, 18684,
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2761, 19, 808, 2430, 2556, 17, 855, 1480, 9477, 4091, 128,
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11712, 15, 7103, 2153, 673, 17, 24883, 9990, 9, 3
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],
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[
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2, 11502, 25, 1006, 20, 782, 8, 11809, 855, 1732,
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19393, 18667, 37, 367, 21018, 69, 1854, 34, 11860,
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19124, 27, 156, 225, 17, 193, 4141, 19, 65, 9124,
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9, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0
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],
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[
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2, 14, 2231, 886, 2385, 17659, 84, 14, 16792,
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1952, 9, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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]],
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'token_type_ids': [
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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]]
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} # noqa: E501
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# fmt: on
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self.tokenizer_integration_test_util(
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expected_encoding=expected_encoding,
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model_name="albert-base-v2",
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)
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class AlbertChineseTokenizerTest(TokenizerTesterMixin, unittest.TestCase):
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tokenizer_class = AlbertChineseTokenizer
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space_between_special_tokens = True
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from_pretrained_filter = filter_non_english
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test_seq2seq = True
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def setUp(self):
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super().setUp()
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vocab_tokens = [
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"[UNK]",
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"[CLS]",
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"[SEP]",
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"[PAD]",
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"[MASK]",
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"want",
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"##want",
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"##ed",
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"wa",
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"un",
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"runn",
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"##ing",
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",",
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"low",
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"lowest",
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]
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self.vocab_file = os.path.join(self.tmpdirname, AlbertChineseTokenizer.resource_files_names["vocab_file"])
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with open(self.vocab_file, "w", encoding="utf-8") as vocab_writer:
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vocab_writer.write("".join([x + "\n" for x in vocab_tokens]))
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def get_input_output_texts(self, tokenizer):
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input_text = "UNwant\u00E9d,running"
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output_text = "unwanted, running"
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return input_text, output_text
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def test_full_tokenizer(self):
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tokenizer = self.tokenizer_class(self.vocab_file)
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tokens = tokenizer.tokenize("UNwant\u00E9d,running")
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self.assertListEqual(tokens, ["un", "##want", "##ed", ",", "runn", "##ing"])
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self.assertListEqual(tokenizer.convert_tokens_to_ids(tokens), [9, 6, 7, 12, 10, 11])
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def test_chinese(self):
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tokenizer = BasicTokenizer()
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self.assertListEqual(tokenizer.tokenize("ah\u535A\u63A8zz"), ["ah", "\u535A", "\u63A8", "zz"])
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def test_basic_tokenizer_lower(self):
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tokenizer = BasicTokenizer(do_lower_case=True)
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self.assertListEqual(
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tokenizer.tokenize(" \tHeLLo!how \n Are yoU? "), ["hello", "!", "how", "are", "you", "?"]
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)
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self.assertListEqual(tokenizer.tokenize("H\u00E9llo"), ["hello"])
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def test_basic_tokenizer_lower_strip_accents_false(self):
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tokenizer = BasicTokenizer(do_lower_case=True, strip_accents=False)
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self.assertListEqual(
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tokenizer.tokenize(" \tHäLLo!how \n Are yoU? "), ["hällo", "!", "how", "are", "you", "?"]
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)
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self.assertListEqual(tokenizer.tokenize("H\u00E9llo"), ["h\u00E9llo"])
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def test_basic_tokenizer_lower_strip_accents_true(self):
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tokenizer = BasicTokenizer(do_lower_case=True)
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self.assertListEqual(
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tokenizer.tokenize(" \tHäLLo!how \n Are yoU? "), ["hallo", "!", "how", "are", "you", "?"]
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)
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self.assertListEqual(tokenizer.tokenize("H\u00E9llo"), ["hello"])
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def test_basic_tokenizer_lower_strip_accents_default(self):
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tokenizer = BasicTokenizer(do_lower_case=True)
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self.assertListEqual(
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tokenizer.tokenize(" \tHäLLo!how \n Are yoU? "), ["hallo", "!", "how", "are", "you", "?"]
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)
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self.assertListEqual(tokenizer.tokenize("H\u00E9llo"), ["hello"])
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def test_basic_tokenizer_no_lower(self):
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tokenizer = BasicTokenizer(do_lower_case=False)
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self.assertListEqual(
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tokenizer.tokenize(" \tHeLLo!how \n Are yoU? "), ["HeLLo", "!", "how", "Are", "yoU", "?"]
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)
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def test_basic_tokenizer_no_lower_strip_accents_false(self):
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tokenizer = BasicTokenizer(do_lower_case=False, strip_accents=False)
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self.assertListEqual(
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tokenizer.tokenize(" \tHäLLo!how \n Are yoU? "), ["HäLLo", "!", "how", "Are", "yoU", "?"]
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)
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def test_basic_tokenizer_no_lower_strip_accents_true(self):
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tokenizer = BasicTokenizer(do_lower_case=False, strip_accents=True)
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self.assertListEqual(
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tokenizer.tokenize(" \tHäLLo!how \n Are yoU? "), ["HaLLo", "!", "how", "Are", "yoU", "?"]
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)
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def test_basic_tokenizer_respects_never_split_tokens(self):
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tokenizer = BasicTokenizer(do_lower_case=False, never_split=["[UNK]"])
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self.assertListEqual(
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tokenizer.tokenize(" \tHeLLo!how \n Are yoU? [UNK]"), ["HeLLo", "!", "how", "Are", "yoU", "?", "[UNK]"]
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)
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def test_wordpiece_tokenizer(self):
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vocab_tokens = ["[UNK]", "[CLS]", "[SEP]", "want", "##want", "##ed", "wa", "un", "runn", "##ing"]
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vocab = {}
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for (i, token) in enumerate(vocab_tokens):
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vocab[token] = i
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tokenizer = WordpieceTokenizer(vocab=vocab, unk_token="[UNK]")
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self.assertListEqual(tokenizer.tokenize(""), [])
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self.assertListEqual(tokenizer.tokenize("unwanted running"), ["un", "##want", "##ed", "runn", "##ing"])
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self.assertListEqual(tokenizer.tokenize("unwantedX running"), ["[UNK]", "runn", "##ing"])
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def test_clean_text(self):
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tokenizer = self.get_tokenizer()
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# Example taken from the issue https://github.com/huggingface/tokenizers/issues/340
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self.assertListEqual([tokenizer.tokenize(t) for t in ["Test", "\xad", "test"]], [["[UNK]"], [], ["[UNK]"]])
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@slow
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def test_sequence_builders(self):
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tokenizer = self.tokenizer_class.from_pretrained("albert-chinese-base")
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text = tokenizer.encode("sequence builders", return_token_type_ids=None, add_special_tokens=False)["input_ids"]
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text_2 = tokenizer.encode("multi-sequence build", return_token_type_ids=None, add_special_tokens=False)[
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"input_ids"
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]
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encoded_sentence = tokenizer.build_inputs_with_special_tokens(text)
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encoded_pair = tokenizer.build_inputs_with_special_tokens(text, text_2)
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assert encoded_sentence == [101] + text + [102]
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assert encoded_pair == [101] + text + [102] + text_2 + [102]
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def test_offsets_with_special_characters(self):
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for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
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with self.subTest(f"{tokenizer.__class__.__name__} ({pretrained_name})"):
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tokenizer = self.tokenizer_class.from_pretrained(pretrained_name, **kwargs)
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sentence = f"A, naïve {tokenizer.mask_token} AllenNLP sentence."
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tokens = tokenizer.encode(
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sentence,
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return_attention_mask=False,
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return_token_type_ids=False,
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return_offsets_mapping=True,
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add_special_tokens=True,
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)
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do_lower_case = tokenizer.do_lower_case if hasattr(tokenizer, "do_lower_case") else False
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expected_results = (
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[
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((0, 0), tokenizer.cls_token),
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((0, 1), "A"),
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((1, 2), ","),
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((3, 5), "na"),
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((5, 6), "##ï"),
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((6, 8), "##ve"),
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((9, 15), tokenizer.mask_token),
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((16, 21), "Allen"),
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((21, 23), "##NL"),
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((23, 24), "##P"),
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((25, 33), "sentence"),
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((33, 34), "."),
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((0, 0), tokenizer.sep_token),
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]
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if not do_lower_case
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else [
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((0, 0), tokenizer.cls_token),
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((0, 1), "a"),
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((1, 2), ","),
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((3, 8), "naive"),
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((9, 15), tokenizer.mask_token),
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((16, 21), "allen"),
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((21, 23), "##nl"),
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((23, 24), "##p"),
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((25, 33), "sentence"),
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((33, 34), "."),
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((0, 0), tokenizer.sep_token),
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]
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)
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self.assertEqual(
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[e[1] for e in expected_results], tokenizer.convert_ids_to_tokens(tokens["input_ids"])
|
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)
|
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self.assertEqual([e[0] for e in expected_results], tokens["offset_mapping"])
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|
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def test_change_tokenize_chinese_chars(self):
|
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list_of_commun_chinese_char = ["的", "人", "有"]
|
|
text_with_chinese_char = "".join(list_of_commun_chinese_char)
|
|
for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
|
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with self.subTest(f"{tokenizer.__class__.__name__} ({pretrained_name})"):
|
|
|
|
kwargs["tokenize_chinese_chars"] = True
|
|
tokenizer = self.tokenizer_class.from_pretrained(pretrained_name, **kwargs)
|
|
|
|
ids_without_spe_char_p = tokenizer.encode(
|
|
text_with_chinese_char, return_token_type_ids=None, add_special_tokens=False
|
|
)["input_ids"]
|
|
|
|
tokens_without_spe_char_p = tokenizer.convert_ids_to_tokens(ids_without_spe_char_p)
|
|
|
|
# it is expected that each Chinese character is not preceded by "##"
|
|
self.assertListEqual(tokens_without_spe_char_p, list_of_commun_chinese_char)
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