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Add xfail test for deprojectivization SBD bug

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Matthew Honnibal 2018-09-19 14:00:31 +02:00
parent 99a6011580
commit 6cd920e088
1 changed files with 19 additions and 0 deletions
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spacy/tests/regression/test_issue2772.py Normal file
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'''Test that deprojectivization doesn't mess up sentence boundaries.'''
import pytest
from ...syntax.nonproj import projectivize, deprojectivize
from ..util import get_doc
@pytest.mark.xfail
def test_issue2772(en_vocab):
words = 'When we write or communicate virtually , we can hide our true feelings .'.split()
# A tree with a non-projective (i.e. crossing) arc
# The arcs (0, 4) and (2, 9) cross.
heads = [4, 1, 7, -1, -1, -1, 3, 2, 1, 0, 2, 1, -1, -1]
deps = ['dep'] * len(heads)
heads, deps = projectivize(heads, deps)
doc = get_doc(en_vocab, words=words, heads=heads, deps=deps)
assert doc[0].is_sent_start == True
assert doc[1].is_sent_start is None
deprojectivize(doc)
assert doc[0].is_sent_start == True
assert doc[1].is_sent_start is None