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90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
# coding=utf-8
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# Copyright 2018 The Google AI Language Team Authors.
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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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from __future__ import absolute_import, division, print_function, unicode_literals
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import os
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import unittest
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from io import open
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from transformers import is_torch_available
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from .tokenization_tests_commons import CommonTestCases
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from .utils import require_torch
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if is_torch_available():
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from transformers.tokenization_transfo_xl import TransfoXLTokenizer, VOCAB_FILES_NAMES
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@require_torch
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class TransfoXLTokenizationTest(CommonTestCases.CommonTokenizerTester):
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tokenizer_class = TransfoXLTokenizer if is_torch_available() else None
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def setUp(self):
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super(TransfoXLTokenizationTest, self).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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"want",
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"unwanted",
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"wa",
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"un",
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"running",
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",",
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"low",
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"l",
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]
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self.vocab_file = os.path.join(self.tmpdirname, VOCAB_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_tokenizer(self, **kwargs):
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kwargs["lower_case"] = True
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return TransfoXLTokenizer.from_pretrained(self.tmpdirname, **kwargs)
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def get_input_output_texts(self):
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input_text = "<unk> UNwanted , running"
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output_text = "<unk> 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 = TransfoXLTokenizer(vocab_file=self.vocab_file, lower_case=True)
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tokens = tokenizer.tokenize("<unk> UNwanted , running")
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self.assertListEqual(tokens, ["<unk>", "unwanted", ",", "running"])
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self.assertListEqual(tokenizer.convert_tokens_to_ids(tokens), [0, 4, 8, 7])
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def test_full_tokenizer_lower(self):
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tokenizer = TransfoXLTokenizer(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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def test_full_tokenizer_no_lower(self):
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tokenizer = TransfoXLTokenizer(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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if __name__ == "__main__":
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unittest.main()
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