spaCy/spacy/tests/regression/test_issue3209.py
2019-02-24 20:24:15 +01:00

24 lines
709 B
Python

# coding: utf8
from __future__ import unicode_literals
from spacy.lang.en import English
def test_issue3209():
"""Test issue that occurred in spaCy nightly where NER labels were being
mapped to classes incorrectly after loading the model, when the labels
were added using ner.add_label().
"""
nlp = English()
ner = nlp.create_pipe("ner")
nlp.add_pipe(ner)
ner.add_label("ANIMAL")
nlp.begin_training()
move_names = ["O", "B-ANIMAL", "I-ANIMAL", "L-ANIMAL", "U-ANIMAL"]
assert ner.move_names == move_names
nlp2 = English()
nlp2.add_pipe(nlp2.create_pipe("ner"))
nlp2.from_bytes(nlp.to_bytes())
assert nlp2.get_pipe("ner").move_names == move_names