spaCy/tests/regression/test_issue3951.py

21 lines
552 B
Python

# coding: utf8
from __future__ import unicode_literals
from spacy.matcher import Matcher
from spacy.tokens import Doc
def test_issue3951(en_vocab):
"""Test that combinations of optional rules are matched correctly."""
matcher = Matcher(en_vocab)
pattern = [
{"LOWER": "hello"},
{"LOWER": "this", "OP": "?"},
{"OP": "?"},
{"LOWER": "world"},
]
matcher.add("TEST", None, pattern)
doc = Doc(en_vocab, words=["Hello", "my", "new", "world"])
matches = matcher(doc)
assert len(matches) == 0