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59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from ...tokens import Doc
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from ..util import get_doc, apply_transition_sequence
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import pytest
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@pytest.mark.parametrize('text', ["A test sentence"])
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@pytest.mark.parametrize('punct', ['.', '!', '?', ''])
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def test_parser_sbd_single_punct(en_tokenizer, text, punct):
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heads = [2, 1, 0, -1] if punct else [2, 1, 0]
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tokens = en_tokenizer(text + punct)
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doc = get_doc(tokens.vocab, [t.text for t in tokens], heads=heads)
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assert len(doc) == 4 if punct else 3
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assert len(list(doc.sents)) == 1
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assert sum(len(sent) for sent in doc.sents) == len(doc)
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def test_parser_sentence_breaks(en_tokenizer, en_parser):
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text = "This is a sentence . This is another one ."
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heads = [1, 0, 1, -2, -3, 1, 0, 1, -2, -3]
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deps = ['nsubj', 'ROOT', 'det', 'attr', 'punct', 'nsubj', 'ROOT', 'det',
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'attr', 'punct']
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transition = ['L-nsubj', 'S', 'L-det', 'R-attr', 'D', 'R-punct', 'B-ROOT',
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'L-nsubj', 'S', 'L-attr', 'R-attr', 'D', 'R-punct']
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tokens = en_tokenizer(text)
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doc = get_doc(tokens.vocab, [t.text for t in tokens], heads=heads, deps=deps)
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apply_transition_sequence(en_parser, doc, transition)
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assert len(list(doc.sents)) == 2
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for token in doc:
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assert token.dep != 0 or token.is_space
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assert [token.head.i for token in doc ] == [1, 1, 3, 1, 1, 6, 6, 8, 6, 6]
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# Currently, there's no way of setting the serializer data for the parser
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# without loading the models, so we can't remove the model dependency here yet.
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@pytest.mark.models
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def test_parser_sbd_serialization_projective(EN):
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"""Test that before and after serialization, the sentence boundaries are
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the same."""
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text = "I bought a couch from IKEA It wasn't very comfortable."
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transition = ['L-nsubj', 'S', 'L-det', 'R-dobj', 'D', 'R-prep', 'R-pobj',
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'B-ROOT', 'L-nsubj', 'R-neg', 'D', 'S', 'L-advmod',
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'R-acomp', 'D', 'R-punct']
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doc = EN.tokenizer(text)
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apply_transition_sequence(EN.parser, doc, transition)
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doc_serialized = Doc(EN.vocab).from_bytes(doc.to_bytes())
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assert doc.is_parsed == True
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assert doc_serialized.is_parsed == True
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assert doc.to_bytes() == doc_serialized.to_bytes()
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assert [s.text for s in doc.sents] == [s.text for s in doc_serialized.sents]
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