spaCy/spacy/tests/regression/test_issue1001-1500.py

128 lines
4.2 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
import re
from spacy.tokens import Doc
from spacy.vocab import Vocab
from spacy.lang.en import English
from spacy.lang.lex_attrs import LEX_ATTRS
from spacy.matcher import Matcher
from spacy.tokenizer import Tokenizer
from spacy.lemmatizer import Lemmatizer
from spacy.symbols import ORTH, LEMMA, POS, VERB, VerbForm_part
def test_issue1242():
nlp = English()
doc = nlp('')
assert len(doc) == 0
docs = list(nlp.pipe(['', 'hello']))
assert len(docs[0]) == 0
assert len(docs[1]) == 1
def test_issue1250():
"""Test cached special cases."""
special_case = [{ORTH: 'reimbur', LEMMA: 'reimburse', POS: 'VERB'}]
nlp = English()
nlp.tokenizer.add_special_case('reimbur', special_case)
lemmas = [w.lemma_ for w in nlp('reimbur, reimbur...')]
assert lemmas == ['reimburse', ',', 'reimburse', '...']
lemmas = [w.lemma_ for w in nlp('reimbur, reimbur...')]
assert lemmas == ['reimburse', ',', 'reimburse', '...']
def test_issue1257():
"""Test that tokens compare correctly."""
doc1 = Doc(Vocab(), words=['a', 'b', 'c'])
doc2 = Doc(Vocab(), words=['a', 'c', 'e'])
assert doc1[0] != doc2[0]
assert not doc1[0] == doc2[0]
def test_issue1375():
"""Test that token.nbor() raises IndexError for out-of-bounds access."""
doc = Doc(Vocab(), words=['0', '1', '2'])
with pytest.raises(IndexError):
assert doc[0].nbor(-1)
assert doc[1].nbor(-1).text == '0'
with pytest.raises(IndexError):
assert doc[2].nbor(1)
assert doc[1].nbor(1).text == '2'
def test_issue1387():
tag_map = {'VBG': {POS: VERB, VerbForm_part: True}}
index = {"verb": ("cope","cop")}
exc = {"verb": {"coping": ("cope",)}}
rules = {"verb": [["ing", ""]]}
lemmatizer = Lemmatizer(index, exc, rules)
vocab = Vocab(lemmatizer=lemmatizer, tag_map=tag_map)
doc = Doc(vocab, words=["coping"])
doc[0].tag_ = 'VBG'
assert doc[0].text == "coping"
assert doc[0].lemma_ == "cope"
def test_issue1434():
"""Test matches occur when optional element at end of short doc."""
pattern = [{'ORTH': 'Hello' }, {'IS_ALPHA': True, 'OP': '?'}]
vocab = Vocab(lex_attr_getters=LEX_ATTRS)
hello_world = Doc(vocab, words=['Hello', 'World'])
hello = Doc(vocab, words=['Hello'])
matcher = Matcher(vocab)
matcher.add('MyMatcher', None, pattern)
matches = matcher(hello_world)
assert matches
matches = matcher(hello)
assert matches
@pytest.mark.parametrize('string,start,end', [
('a', 0, 1), ('a b', 0, 2), ('a c', 0, 1), ('a b c', 0, 2),
('a b b c', 0, 3), ('a b b', 0, 3),])
def test_issue1450(string, start, end):
"""Test matcher works when patterns end with * operator."""
pattern = [{'ORTH': "a"}, {'ORTH': "b", 'OP': "*"}]
matcher = Matcher(Vocab())
matcher.add("TSTEND", None, pattern)
doc = Doc(Vocab(), words=string.split())
matches = matcher(doc)
if start is None or end is None:
assert matches == []
assert matches[-1][1] == start
assert matches[-1][2] == end
def test_issue1488():
prefix_re = re.compile(r'''[\[\("']''')
suffix_re = re.compile(r'''[\]\)"']''')
infix_re = re.compile(r'''[-~\.]''')
simple_url_re = re.compile(r'''^https?://''')
def my_tokenizer(nlp):
return Tokenizer(nlp.vocab, {},
prefix_search=prefix_re.search,
suffix_search=suffix_re.search,
infix_finditer=infix_re.finditer,
token_match=simple_url_re.match)
nlp = English()
nlp.tokenizer = my_tokenizer(nlp)
doc = nlp("This is a test.")
for token in doc:
assert token.text
def test_issue1494():
infix_re = re.compile(r'''[^a-z]''')
test_cases = [('token 123test', ['token', '1', '2', '3', 'test']),
('token 1test', ['token', '1test']),
('hello...test', ['hello', '.', '.', '.', 'test'])]
new_tokenizer = lambda nlp: Tokenizer(nlp.vocab, {}, infix_finditer=infix_re.finditer)
nlp = English()
nlp.tokenizer = new_tokenizer(nlp)
for text, expected in test_cases:
assert [token.text for token in nlp(text)] == expected