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22 lines
1.0 KiB
Python
22 lines
1.0 KiB
Python
from ..utils import data_dir, bert_files
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from tokenizers import BertWordPieceTokenizer
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class TestBertWordPieceBPE:
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def test_basic_encode(self, bert_files):
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tokenizer = BertWordPieceTokenizer(bert_files["vocab"])
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# Encode with special tokens by default
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output = tokenizer.encode(("My name is John", "pair"))
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assert output.ids == [101, 2026, 2171, 2003, 2198, 102, 3940, 102]
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assert output.tokens == ["[CLS]", "my", "name", "is", "john", "[SEP]", "pair", "[SEP]"]
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assert output.offsets == [(0, 0), (0, 2), (3, 7), (8, 10), (11, 15), (0, 0), (0, 4), (0, 0)]
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assert output.type_ids == [0, 0, 0, 0, 0, 0, 1, 1]
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# Can encode without the special tokens
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output = tokenizer.encode(("My name is John", "pair"), add_special_tokens=False)
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assert output.ids == [2026, 2171, 2003, 2198, 3940]
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assert output.tokens == ["my", "name", "is", "john", "pair"]
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assert output.offsets == [(0, 2), (3, 7), (8, 10), (11, 15), (0, 4)]
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assert output.type_ids == [0, 0, 0, 0, 1]
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