spaCy/spacy/tests/tokens/test_token_api.py

136 lines
3.8 KiB
Python

from __future__ import unicode_literals
from spacy.en import English
from spacy.attrs import IS_ALPHA, IS_ASCII, IS_DIGIT, IS_LOWER, IS_PUNCT
from spacy.attrs import IS_SPACE, IS_TITLE, IS_UPPER, LIKE_URL, LIKE_NUM
from spacy.attrs import IS_STOP
import pytest
@pytest.mark.models
def test_strings(EN):
tokens = EN(u'Give it back! He pleaded.')
token = tokens[0]
assert token.orth_ == 'Give'
assert token.text == 'Give'
assert token.text_with_ws == 'Give '
assert token.lower_ == 'give'
assert token.shape_ == 'Xxxx'
assert token.prefix_ == 'G'
assert token.suffix_ == 'ive'
assert token.lemma_ == 'give'
assert token.pos_ == 'VERB'
assert token.tag_ == 'VB'
assert token.dep_ == 'ROOT'
def test_flags(EN):
tokens = EN(u'Give it back! He pleaded.')
token = tokens[0]
assert token.check_flag(IS_ALPHA)
assert not token.check_flag(IS_DIGIT)
# TODO: Test more of these, esp. if a bug is found
def test_single_token_string(EN):
tokens = EN(u'foobar')
assert tokens[0].text == 'foobar'
def test_str_builtin(EN):
tokens = EN('one two')
assert str(tokens[0]) == u'one'
assert str(tokens[1]) == u'two'
@pytest.mark.models
def test_is_properties(EN):
Hi, comma, my, email, is_, addr = EN(u'Hi, my email is test@me.com')
assert Hi.is_title
assert Hi.is_alpha
assert not Hi.is_digit
assert comma.is_punct
assert email.is_ascii
assert not email.like_url
assert is_.is_lower
assert addr.like_email
assert addr.is_oov
assert not Hi.is_oov
@pytest.mark.models
def test_vectors(EN):
apples, oranges, oov = EN(u'apples oranges ldskbjlsdkbflzdfbl')
assert apples.has_vector
assert oranges.has_vector
assert not oov.has_vector
assert apples.similarity(oranges) > apples.similarity(oov)
assert apples.similarity(oranges) == oranges.similarity(apples)
assert sum(apples.vector) != sum(oranges.vector)
assert apples.vector_norm != oranges.vector_norm
@pytest.mark.models
def test_ancestors(EN):
# the structure of this sentence depends on the English annotation scheme
tokens = EN(u'Yesterday I saw a dog that barked loudly.')
ancestors = [ t.orth_ for t in tokens[6].ancestors ]
assert ancestors == ['dog','saw']
ancestors = [ t.orth_ for t in tokens[1].ancestors ]
assert ancestors == ['saw']
ancestors = [ t.orth_ for t in tokens[2].ancestors ]
assert ancestors == []
assert tokens[2].is_ancestor_of(tokens[7])
assert not tokens[6].is_ancestor_of(tokens[2])
@pytest.mark.models
def test_head_setter(EN):
# the structure of this sentence depends on the English annotation scheme
yesterday, i, saw, a, dog, that, barked, loudly, dot = EN(u'Yesterday I saw a dog that barked loudly.')
assert barked.n_lefts == 1
assert barked.n_rights == 1
assert barked.left_edge == that
assert barked.right_edge == loudly
assert dog.n_lefts == 1
assert dog.n_rights == 1
assert dog.left_edge == a
assert dog.right_edge == loudly
assert a.n_lefts == 0
assert a.n_rights == 0
assert a.left_edge == a
assert a.right_edge == a
assert saw.left_edge == yesterday
assert saw.right_edge == dot
barked.head = a
assert barked.n_lefts == 1
assert barked.n_rights == 1
assert barked.left_edge == that
assert barked.right_edge == loudly
assert a.n_lefts == 0
assert a.n_rights == 1
assert a.left_edge == a
assert a.right_edge == loudly
assert dog.n_lefts == 1
assert dog.n_rights == 0
assert dog.left_edge == a
assert dog.right_edge == loudly
assert saw.left_edge == yesterday
assert saw.right_edge == dot
yesterday.head = that
assert that.left_edge == yesterday
assert barked.left_edge == yesterday
assert a.left_edge == yesterday
assert dog.left_edge == yesterday
assert saw.left_edge == yesterday