spaCy/spacy/tests/pipeline/test_entity_linker.py
2019-04-10 17:25:10 +02:00

92 lines
3.0 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
from spacy.kb import KnowledgeBase
from spacy.lang.en import English
@pytest.fixture
def nlp():
return English()
def test_kb_valid_entities(nlp):
"""Test the valid construction of a KB with 3 entities and two aliases"""
mykb = KnowledgeBase(nlp.vocab)
# adding entities
mykb.add_entity(entity=u'Q1', prob=0.9)
mykb.add_entity(entity=u'Q2')
mykb.add_entity(entity=u'Q3', prob=0.5)
# adding aliases
mykb.add_alias(alias=u'douglas', entities=[u'Q2', u'Q3'], probabilities=[0.8, 0.2])
mykb.add_alias(alias=u'adam', entities=[u'Q2'], probabilities=[0.9])
# test the size of the corresponding KB
assert(mykb.get_size_entities() == 3)
assert(mykb.get_size_aliases() == 2)
def test_kb_invalid_entities(nlp):
"""Test the invalid construction of a KB with an alias linked to a non-existing entity"""
mykb = KnowledgeBase(nlp.vocab)
# adding entities
mykb.add_entity(entity=u'Q1', prob=0.9)
mykb.add_entity(entity=u'Q2', prob=0.2)
mykb.add_entity(entity=u'Q3', prob=0.5)
# adding aliases - should fail because one of the given IDs is not valid
with pytest.raises(ValueError):
mykb.add_alias(alias=u'douglas', entities=[u'Q2', u'Q342'], probabilities=[0.8, 0.2])
def test_kb_invalid_probabilities(nlp):
"""Test the invalid construction of a KB with wrong prior probabilities"""
mykb = KnowledgeBase(nlp.vocab)
# adding entities
mykb.add_entity(entity=u'Q1', prob=0.9)
mykb.add_entity(entity=u'Q2', prob=0.2)
mykb.add_entity(entity=u'Q3', prob=0.5)
# adding aliases - should fail because the sum of the probabilities exceeds 1
with pytest.raises(ValueError):
mykb.add_alias(alias=u'douglas', entities=[u'Q2', u'Q3'], probabilities=[0.8, 0.4])
def test_kb_invalid_combination(nlp):
"""Test the invalid construction of a KB with non-matching entity and probability lists"""
mykb = KnowledgeBase(nlp.vocab)
# adding entities
mykb.add_entity(entity=u'Q1', prob=0.9)
mykb.add_entity(entity=u'Q2', prob=0.2)
mykb.add_entity(entity=u'Q3', prob=0.5)
# adding aliases - should fail because the entities and probabilities vectors are not of equal length
with pytest.raises(ValueError):
mykb.add_alias(alias=u'douglas', entities=[u'Q2', u'Q3'], probabilities=[0.3, 0.4, 0.1])
def test_candidate_generation(nlp):
"""Test correct candidate generation"""
mykb = KnowledgeBase(nlp.vocab)
# adding entities
mykb.add_entity(entity=u'Q1', prob=0.9)
mykb.add_entity(entity=u'Q2', prob=0.2)
mykb.add_entity(entity=u'Q3', prob=0.5)
# adding aliases
mykb.add_alias(alias=u'douglas', entities=[u'Q2', u'Q3'], probabilities=[0.8, 0.2])
mykb.add_alias(alias=u'adam', entities=[u'Q2'], probabilities=[0.9])
# test the size of the relevant candidates
assert(len(mykb.get_candidates(u'douglas')) == 2)
assert(len(mykb.get_candidates(u'adam')) == 1)
assert(len(mykb.get_candidates(u'shrubbery')) == 0)