138 lines
4.5 KiB
Python
138 lines
4.5 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
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from __future__ import division
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from __future__ import print_function
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import os
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import tempfile
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import tokenization
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import six
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import tensorflow as tf
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class TokenizationTest(tf.test.TestCase):
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def test_full_tokenizer(self):
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vocab_tokens = [
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"[UNK]", "[CLS]", "[SEP]", "want", "##want", "##ed", "wa", "un", "runn",
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"##ing", ","
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]
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with tempfile.NamedTemporaryFile(delete=False) as vocab_writer:
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if six.PY2:
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vocab_writer.write("".join([x + "\n" for x in vocab_tokens]))
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else:
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vocab_writer.write("".join(
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[x + "\n" for x in vocab_tokens]).encode("utf-8"))
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vocab_file = vocab_writer.name
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tokenizer = tokenization.FullTokenizer(vocab_file)
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os.unlink(vocab_file)
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tokens = tokenizer.tokenize(u"UNwant\u00E9d,running")
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self.assertAllEqual(tokens, ["un", "##want", "##ed", ",", "runn", "##ing"])
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self.assertAllEqual(
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tokenizer.convert_tokens_to_ids(tokens), [7, 4, 5, 10, 8, 9])
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def test_chinese(self):
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tokenizer = tokenization.BasicTokenizer()
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self.assertAllEqual(
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tokenizer.tokenize(u"ah\u535A\u63A8zz"),
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[u"ah", u"\u535A", u"\u63A8", u"zz"])
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def test_basic_tokenizer_lower(self):
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tokenizer = tokenization.BasicTokenizer(do_lower_case=True)
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self.assertAllEqual(
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tokenizer.tokenize(u" \tHeLLo!how \n Are yoU? "),
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["hello", "!", "how", "are", "you", "?"])
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self.assertAllEqual(tokenizer.tokenize(u"H\u00E9llo"), ["hello"])
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def test_basic_tokenizer_no_lower(self):
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tokenizer = tokenization.BasicTokenizer(do_lower_case=False)
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self.assertAllEqual(
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tokenizer.tokenize(u" \tHeLLo!how \n Are yoU? "),
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["HeLLo", "!", "how", "Are", "yoU", "?"])
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def test_wordpiece_tokenizer(self):
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vocab_tokens = [
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"[UNK]", "[CLS]", "[SEP]", "want", "##want", "##ed", "wa", "un", "runn",
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"##ing"
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]
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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 = tokenization.WordpieceTokenizer(vocab=vocab)
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self.assertAllEqual(tokenizer.tokenize(""), [])
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self.assertAllEqual(
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tokenizer.tokenize("unwanted running"),
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["un", "##want", "##ed", "runn", "##ing"])
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self.assertAllEqual(
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tokenizer.tokenize("unwantedX running"), ["[UNK]", "runn", "##ing"])
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def test_convert_tokens_to_ids(self):
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vocab_tokens = [
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"[UNK]", "[CLS]", "[SEP]", "want", "##want", "##ed", "wa", "un", "runn",
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"##ing"
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]
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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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self.assertAllEqual(
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tokenization.convert_tokens_to_ids(
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vocab, ["un", "##want", "##ed", "runn", "##ing"]), [7, 4, 5, 8, 9])
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def test_is_whitespace(self):
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self.assertTrue(tokenization._is_whitespace(u" "))
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self.assertTrue(tokenization._is_whitespace(u"\t"))
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self.assertTrue(tokenization._is_whitespace(u"\r"))
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self.assertTrue(tokenization._is_whitespace(u"\n"))
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self.assertTrue(tokenization._is_whitespace(u"\u00A0"))
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self.assertFalse(tokenization._is_whitespace(u"A"))
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self.assertFalse(tokenization._is_whitespace(u"-"))
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def test_is_control(self):
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self.assertTrue(tokenization._is_control(u"\u0005"))
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self.assertFalse(tokenization._is_control(u"A"))
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self.assertFalse(tokenization._is_control(u" "))
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self.assertFalse(tokenization._is_control(u"\t"))
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self.assertFalse(tokenization._is_control(u"\r"))
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self.assertFalse(tokenization._is_control(u"\U0001F4A9"))
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def test_is_punctuation(self):
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self.assertTrue(tokenization._is_punctuation(u"-"))
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self.assertTrue(tokenization._is_punctuation(u"$"))
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self.assertTrue(tokenization._is_punctuation(u"`"))
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self.assertTrue(tokenization._is_punctuation(u"."))
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self.assertFalse(tokenization._is_punctuation(u"A"))
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self.assertFalse(tokenization._is_punctuation(u" "))
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if __name__ == "__main__":
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tf.test.main()
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