154 lines
7.4 KiB
Python
154 lines
7.4 KiB
Python
# coding=utf-8
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# Copyright 2022 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 unittest
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from transformers import GPTSw3Tokenizer
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from transformers.testing_utils import get_tests_dir, require_jinja, require_sentencepiece, require_tokenizers, slow
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from ...test_tokenization_common import TokenizerTesterMixin
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SAMPLE_VOCAB = get_tests_dir("fixtures/test_sentencepiece_with_bytefallback.model")
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@require_sentencepiece
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@require_tokenizers
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class GPTSw3TokenizationTest(TokenizerTesterMixin, unittest.TestCase):
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from_pretrained_id = "AI-Sweden-Models/gpt-sw3-126m"
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tokenizer_class = GPTSw3Tokenizer
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test_rust_tokenizer = False
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test_sentencepiece = True
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test_sentencepiece_ignore_case = False
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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 = GPTSw3Tokenizer(SAMPLE_VOCAB, eos_token="<unk>", bos_token="<unk>", pad_token="<unk>")
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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 = "<s>"
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token_id = 1
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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], "<unk>")
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self.assertEqual(vocab_keys[1], "<s>")
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self.assertEqual(vocab_keys[-1], "j")
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self.assertEqual(len(vocab_keys), 2_000)
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def test_vocab_size(self):
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self.assertEqual(self.get_tokenizer().vocab_size, 2_000)
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def test_full_tokenizer(self):
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tokenizer = GPTSw3Tokenizer(SAMPLE_VOCAB)
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tokens = tokenizer.tokenize("This is a test")
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self.assertListEqual(tokens, ["▁This", "▁is", "▁a", "▁t", "est"])
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self.assertListEqual(tokenizer.convert_tokens_to_ids(tokens), [465, 287, 265, 631, 842])
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tokens = tokenizer.tokenize("I was born in 92000, and this is falsé.")
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# fmt: off
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self.assertListEqual(
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tokens,
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["▁I", "▁was", "▁bor", "n", "▁in", "▁", "<0x39>", "2", "0", "0", "0", ",", "▁and", "▁this", "▁is", "▁f", "al", "s", "<0xC3>", "<0xA9>", "."],
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)
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# fmt: on
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ids = tokenizer.convert_tokens_to_ids(tokens)
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self.assertListEqual(
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ids,
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[262, 272, 1525, 286, 271, 268, 60, 916, 633, 633, 633, 259, 266, 301, 287, 384, 367, 263, 198, 172, 260],
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)
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back_tokens = tokenizer.convert_ids_to_tokens(ids)
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# fmt: off
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self.assertListEqual(
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back_tokens,
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["▁I", "▁was", "▁bor", "n", "▁in", "▁", "<0x39>", "2", "0", "0", "0", ",", "▁and", "▁this", "▁is", "▁f", "al", "s", "<0xC3>", "<0xA9>", "."]
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)
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# fmt: on
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def test_fast_encode_decode(self):
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tokenizer = GPTSw3Tokenizer(SAMPLE_VOCAB)
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texts = ["This is a test", "I was born in 92000, and this is falsé."]
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expected_ids_list = [
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[465, 287, 265, 631, 842],
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[262, 272, 1525, 286, 271, 268, 60, 916, 633, 633, 633, 259, 266, 301, 287, 384, 367, 263, 198, 172, 260],
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]
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# Test that encode_fast returns the same as tokenize + convert_tokens_to_ids
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for text, expected_ids in zip(texts, expected_ids_list):
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self.assertListEqual(tokenizer.encode_fast(text), expected_ids)
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# Test that decode_fast returns the input text
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for text, token_ids in zip(texts, expected_ids_list):
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self.assertEqual(tokenizer.decode_fast(token_ids), text)
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@slow
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def test_tokenizer_integration(self):
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sequences = [
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"<|python|>def fibonacci(n)\n if n < 0:\n print('Incorrect input')",
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"Hey there, how are you doing this fine day?",
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"This is a text with a trailing spaces followed by a dot .",
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"Häj sväjs lillebrör! =)",
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"Det är inget fel på Mr. Cool",
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]
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expected_encoding = {"input_ids": [[63423, 5, 6811, 14954, 282, 816, 3821, 63466, 63425, 63462, 18, 63978, 678, 301, 1320, 63423, 63455, 63458, 18, 63982, 4246, 3940, 1901, 47789, 5547, 18994], [19630, 1100, 63446, 1342, 633, 544, 4488, 593, 5102, 2416, 63495, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1652, 428, 268, 1936, 515, 268, 58593, 22413, 9106, 546, 268, 33213, 63979, 698, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [55130, 63450, 924, 63449, 2249, 4062, 1558, 318, 63504, 21498, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [509, 377, 2827, 2559, 332, 6575, 63443, 26801, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], "attention_mask": [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]} # fmt: skip
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self.tokenizer_integration_test_util(
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expected_encoding=expected_encoding,
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model_name="AI-Sweden-Models/gpt-sw3-126m",
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sequences=sequences,
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)
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@require_jinja
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def test_tokenization_for_chat(self):
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tokenizer = GPTSw3Tokenizer(SAMPLE_VOCAB)
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# This is in English, but it's just here to make sure the chat control tokens are being added properly
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test_chats = [
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[{"role": "system", "content": "You are a helpful chatbot."}, {"role": "user", "content": "Hello!"}],
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[
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{"role": "system", "content": "You are a helpful chatbot."},
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{"role": "user", "content": "Hello!"},
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{"role": "assistant", "content": "Nice to meet you."},
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],
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[{"role": "assistant", "content": "Nice to meet you."}, {"role": "user", "content": "Hello!"}],
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]
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tokenized_chats = [tokenizer.apply_chat_template(test_chat) for test_chat in test_chats]
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# fmt: off
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expected_tokens = [
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[2000, 1, 575, 541, 419, 530, 339, 265, 878, 708, 727, 275, 347, 541, 260, 1, 968, 263, 314, 419, 366, 354, 294, 360, 1, 575, 541, 419],
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[2000, 1, 575, 541, 419, 530, 339, 265, 878, 708, 727, 275, 347, 541, 260, 1, 968, 263, 314, 419, 366, 354, 294, 360, 1, 575, 541, 419, 984, 429, 281, 264, 1261, 291, 260, 1, 575, 541, 419],
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[2000, 1, 575, 541, 419, 984, 429, 281, 264, 1261, 291, 260, 1, 968, 263, 314, 419, 366, 354, 294, 360, 1, 575, 541, 419]
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]
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# fmt: on
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for tokenized_chat, expected_tokens in zip(tokenized_chats, expected_tokens):
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self.assertListEqual(tokenized_chat, expected_tokens)
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