spaCy/spacy/tests/regression/test_issue3345.py

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2019-03-10 15:00:15 +03:00
"""Test interaction between preset entities and sentence boundaries in NER."""
import spacy
from spacy.tokens import Doc
from spacy.pipeline import EntityRuler, EntityRecognizer
@pytest.mark.xfail
def test_issue3345():
"""Test case where preset entity crosses sentence boundary."""
nlp = spacy.blank("en")
doc = Doc(nlp.vocab, words=["I", "live", "in", "New", "York"])
doc[4].is_sent_start = True
ruler = EntityRuler(nlp, patterns=[{"label": "GPE", "pattern": "New York"}])
ner = EntityRecognizer(doc.vocab)
# Add the OUT action. I wouldn't have thought this would be necessary...
ner.moves.add_action(5, "")
ner.add_label("GPE")
doc = ruler(doc)
# Get into the state just before "New"
state = ner.moves.init_batch([doc])[0]
ner.moves.apply_transition(state, "O")
ner.moves.apply_transition(state, "O")
ner.moves.apply_transition(state, "O")
# Check that B-GPE is valid.
assert ner.moves.is_valid(state, "B-GPE")