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76 lines
3.3 KiB
Python
76 lines
3.3 KiB
Python
# Copyright 2024 The HuggingFace Team. All rights reserved.
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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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"""Testing suite for the FlauBERT tokenizer."""
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import json
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import os
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import unittest
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from transformers import FlaubertTokenizer
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from transformers.models.flaubert.tokenization_flaubert import VOCAB_FILES_NAMES
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from transformers.testing_utils import slow
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from ...test_tokenization_common import TokenizerTesterMixin
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class FlaubertTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
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from_pretrained_id = "flaubert/flaubert_base_cased"
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tokenizer_class = FlaubertTokenizer
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test_rust_tokenizer = False
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@classmethod
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def setUpClass(cls):
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super().setUpClass()
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# Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
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vocab = ["l", "o", "w", "e", "r", "s", "t", "i", "d", "n", "w</w>", "r</w>", "t</w>", "i</w>", "lo", "low", "ne", "new", "er</w>", "low</w>", "lowest</w>", "new</w>", "newer</w>", "wider</w>", "<unk>"] # fmt: skip
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vocab_tokens = dict(zip(vocab, range(len(vocab))))
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merges = ["n e 300", "ne w 301", "e r</w> 302", ""]
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cls.vocab_file = os.path.join(cls.tmpdirname, VOCAB_FILES_NAMES["vocab_file"])
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cls.merges_file = os.path.join(cls.tmpdirname, VOCAB_FILES_NAMES["merges_file"])
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with open(cls.vocab_file, "w", encoding="utf-8") as fp:
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fp.write(json.dumps(vocab_tokens) + "\n")
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with open(cls.merges_file, "w", encoding="utf-8") as fp:
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fp.write("\n".join(merges))
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# Copied from transformers.tests.models.xlm.test_tokenization_xlm.XLMTokenizationTest.test_full_tokenizer
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def test_full_tokenizer(self):
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tokenizer = self.get_tokenizer()
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text = "lower newer"
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bpe_tokens = ["l", "o", "w", "er</w>", "new", "er</w>"]
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tokens = tokenizer.tokenize(text)
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self.assertListEqual(tokens, bpe_tokens)
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input_tokens = tokens + [tokenizer.unk_token]
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input_bpe_tokens = [0, 1, 2, 18, 17, 18, 24]
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self.assertListEqual(tokenizer.convert_tokens_to_ids(input_tokens), input_bpe_tokens)
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@slow
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# Copied from transformers.tests.models.xlm.test_tokenization_xlm.XLMTokenizationTest.test_sequence_builders
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def test_sequence_builders(self):
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tokenizer = FlaubertTokenizer.from_pretrained("flaubert/flaubert_base_cased")
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text = tokenizer.encode("sequence builders", add_special_tokens=False)
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text_2 = tokenizer.encode("multi-sequence build", add_special_tokens=False)
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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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print(encoded_sentence)
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print(encoded_sentence)
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assert encoded_sentence == [0] + text + [1]
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assert encoded_pair == [0] + text + [1] + text_2 + [1]
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