spaCy/spacy/tests/doc/test_doc_api.py

335 lines
11 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
import numpy
from spacy.tokens import Doc
from spacy.vocab import Vocab
from spacy.attrs import LEMMA
from spacy.errors import ModelsWarning
from ..util import get_doc
@pytest.mark.parametrize("text", [["one", "two", "three"]])
def test_doc_api_compare_by_string_position(en_vocab, text):
doc = Doc(en_vocab, words=text)
# Get the tokens in this order, so their ID ordering doesn't match the idx
token3 = doc[-1]
token2 = doc[-2]
token1 = doc[-1]
token1, token2, token3 = doc
assert token1 < token2 < token3
assert not token1 > token2
assert token2 > token1
assert token2 <= token3
assert token3 >= token1
def test_doc_api_getitem(en_tokenizer):
text = "Give it back! He pleaded."
tokens = en_tokenizer(text)
assert tokens[0].text == "Give"
assert tokens[-1].text == "."
with pytest.raises(IndexError):
tokens[len(tokens)]
def to_str(span):
return "/".join(token.text for token in span)
span = tokens[1:1]
assert not to_str(span)
span = tokens[1:4]
assert to_str(span) == "it/back/!"
span = tokens[1:4:1]
assert to_str(span) == "it/back/!"
with pytest.raises(ValueError):
tokens[1:4:2]
with pytest.raises(ValueError):
tokens[1:4:-1]
span = tokens[-3:6]
assert to_str(span) == "He/pleaded"
span = tokens[4:-1]
assert to_str(span) == "He/pleaded"
span = tokens[-5:-3]
assert to_str(span) == "back/!"
span = tokens[5:4]
assert span.start == span.end == 5 and not to_str(span)
span = tokens[4:-3]
assert span.start == span.end == 4 and not to_str(span)
span = tokens[:]
assert to_str(span) == "Give/it/back/!/He/pleaded/."
span = tokens[4:]
assert to_str(span) == "He/pleaded/."
span = tokens[:4]
assert to_str(span) == "Give/it/back/!"
span = tokens[:-3]
assert to_str(span) == "Give/it/back/!"
span = tokens[-3:]
assert to_str(span) == "He/pleaded/."
span = tokens[4:50]
assert to_str(span) == "He/pleaded/."
span = tokens[-50:4]
assert to_str(span) == "Give/it/back/!"
span = tokens[-50:-40]
assert span.start == span.end == 0 and not to_str(span)
span = tokens[40:50]
assert span.start == span.end == 7 and not to_str(span)
span = tokens[1:4]
assert span[0].orth_ == "it"
subspan = span[:]
assert to_str(subspan) == "it/back/!"
subspan = span[:2]
assert to_str(subspan) == "it/back"
subspan = span[1:]
assert to_str(subspan) == "back/!"
subspan = span[:-1]
assert to_str(subspan) == "it/back"
subspan = span[-2:]
assert to_str(subspan) == "back/!"
subspan = span[1:2]
assert to_str(subspan) == "back"
subspan = span[-2:-1]
assert to_str(subspan) == "back"
subspan = span[-50:50]
assert to_str(subspan) == "it/back/!"
subspan = span[50:-50]
assert subspan.start == subspan.end == 4 and not to_str(subspan)
@pytest.mark.parametrize(
"text", ["Give it back! He pleaded.", " Give it back! He pleaded. "]
)
def test_doc_api_serialize(en_tokenizer, text):
tokens = en_tokenizer(text)
new_tokens = Doc(tokens.vocab).from_bytes(tokens.to_bytes())
assert tokens.text == new_tokens.text
assert [t.text for t in tokens] == [t.text for t in new_tokens]
assert [t.orth for t in tokens] == [t.orth for t in new_tokens]
new_tokens = Doc(tokens.vocab).from_bytes(
tokens.to_bytes(tensor=False), tensor=False
)
assert tokens.text == new_tokens.text
assert [t.text for t in tokens] == [t.text for t in new_tokens]
assert [t.orth for t in tokens] == [t.orth for t in new_tokens]
new_tokens = Doc(tokens.vocab).from_bytes(
tokens.to_bytes(sentiment=False), sentiment=False
)
assert tokens.text == new_tokens.text
assert [t.text for t in tokens] == [t.text for t in new_tokens]
assert [t.orth for t in tokens] == [t.orth for t in new_tokens]
def test_doc_api_set_ents(en_tokenizer):
text = "I use goggle chrone to surf the web"
tokens = en_tokenizer(text)
assert len(tokens.ents) == 0
tokens.ents = [(tokens.vocab.strings["PRODUCT"], 2, 4)]
assert len(list(tokens.ents)) == 1
assert [t.ent_iob for t in tokens] == [0, 0, 3, 1, 0, 0, 0, 0]
assert tokens.ents[0].label_ == "PRODUCT"
assert tokens.ents[0].start == 2
assert tokens.ents[0].end == 4
def test_doc_api_merge(en_tokenizer):
text = "WKRO played songs by the beach boys all night"
attrs = {"tag": "NAMED", "lemma": "LEMMA", "ent_type": "TYPE"}
# merge both with bulk merge
doc = en_tokenizer(text)
assert len(doc) == 9
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[4:7], attrs=attrs)
retokenizer.merge(doc[7:9], attrs=attrs)
assert len(doc) == 6
assert doc[4].text == "the beach boys"
assert doc[4].text_with_ws == "the beach boys "
assert doc[4].tag_ == "NAMED"
assert doc[5].text == "all night"
assert doc[5].text_with_ws == "all night"
assert doc[5].tag_ == "NAMED"
def test_doc_api_merge_children(en_tokenizer):
"""Test that attachments work correctly after merging."""
text = "WKRO played songs by the beach boys all night"
attrs = {"tag": "NAMED", "lemma": "LEMMA", "ent_type": "TYPE"}
doc = en_tokenizer(text)
assert len(doc) == 9
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[4:7], attrs=attrs)
for word in doc:
if word.i < word.head.i:
assert word in list(word.head.lefts)
elif word.i > word.head.i:
assert word in list(word.head.rights)
def test_doc_api_merge_hang(en_tokenizer):
text = "through North and South Carolina"
doc = en_tokenizer(text)
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[3:5], attrs={"lemma": "", "ent_type": "ORG"})
retokenizer.merge(doc[1:2], attrs={"lemma": "", "ent_type": "ORG"})
def test_doc_api_retokenizer(en_tokenizer):
doc = en_tokenizer("WKRO played songs by the beach boys all night")
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[4:7])
assert len(doc) == 7
assert doc[4].text == "the beach boys"
def test_doc_api_retokenizer_attrs(en_tokenizer):
doc = en_tokenizer("WKRO played songs by the beach boys all night")
# test both string and integer attributes and values
attrs = {LEMMA: "boys", "ENT_TYPE": doc.vocab.strings["ORG"]}
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[4:7], attrs=attrs)
assert len(doc) == 7
assert doc[4].text == "the beach boys"
assert doc[4].lemma_ == "boys"
assert doc[4].ent_type_ == "ORG"
@pytest.mark.xfail
def test_doc_api_retokenizer_lex_attrs(en_tokenizer):
"""Test that lexical attributes can be changed (see #2390)."""
doc = en_tokenizer("WKRO played beach boys songs")
assert not any(token.is_stop for token in doc)
with doc.retokenize() as retokenizer:
retokenizer.merge(doc[2:4], attrs={"LEMMA": "boys", "IS_STOP": True})
assert doc[2].text == "beach boys"
assert doc[2].lemma_ == "boys"
assert doc[2].is_stop
new_doc = Doc(doc.vocab, words=["beach boys"])
assert new_doc[0].is_stop
def test_doc_api_sents_empty_string(en_tokenizer):
doc = en_tokenizer("")
doc.is_parsed = True
sents = list(doc.sents)
assert len(sents) == 0
def test_doc_api_runtime_error(en_tokenizer):
# Example that caused run-time error while parsing Reddit
# fmt: off
text = "67% of black households are single parent \n\n72% of all black babies born out of wedlock \n\n50% of all black kids don\u2019t finish high school"
deps = ["nsubj", "prep", "amod", "pobj", "ROOT", "amod", "attr", "",
"nummod", "prep", "det", "amod", "pobj", "acl", "prep", "prep",
"pobj", "", "nummod", "prep", "det", "amod", "pobj", "aux", "neg",
"ROOT", "amod", "dobj"]
# fmt: on
tokens = en_tokenizer(text)
doc = get_doc(tokens.vocab, words=[t.text for t in tokens], deps=deps)
nps = []
for np in doc.noun_chunks:
while len(np) > 1 and np[0].dep_ not in ("advmod", "amod", "compound"):
np = np[1:]
if len(np) > 1:
nps.append(np)
with doc.retokenize() as retokenizer:
for np in nps:
attrs = {
"tag": np.root.tag_,
"lemma": np.text,
"ent_type": np.root.ent_type_,
}
retokenizer.merge(np, attrs=attrs)
def test_doc_api_right_edge(en_tokenizer):
"""Test for bug occurring from Unshift action, causing incorrect right edge"""
# fmt: off
text = "I have proposed to myself, for the sake of such as live under the government of the Romans, to translate those books into the Greek tongue."
heads = [2, 1, 0, -1, -1, -3, 15, 1, -2, -1, 1, -3, -1, -1, 1, -2, -1, 1,
-2, -7, 1, -19, 1, -2, -3, 2, 1, -3, -26]
# fmt: on
tokens = en_tokenizer(text)
doc = get_doc(tokens.vocab, words=[t.text for t in tokens], heads=heads)
assert doc[6].text == "for"
subtree = [w.text for w in doc[6].subtree]
assert subtree == [
"for",
"the",
"sake",
"of",
"such",
"as",
"live",
"under",
"the",
"government",
"of",
"the",
"Romans",
",",
]
assert doc[6].right_edge.text == ","
def test_doc_api_has_vector():
vocab = Vocab()
vocab.reset_vectors(width=2)
vocab.set_vector("kitten", vector=numpy.asarray([0.0, 2.0], dtype="f"))
doc = Doc(vocab, words=["kitten"])
assert doc.has_vector
def test_doc_api_similarity_match():
doc = Doc(Vocab(), words=["a"])
assert doc.similarity(doc[0]) == 1.0
assert doc.similarity(doc.vocab["a"]) == 1.0
doc2 = Doc(doc.vocab, words=["a", "b", "c"])
with pytest.warns(ModelsWarning):
assert doc.similarity(doc2[:1]) == 1.0
assert doc.similarity(doc2) == 0.0
@pytest.mark.parametrize(
"sentence,heads,lca_matrix",
[
(
"the lazy dog slept",
[2, 1, 1, 0],
numpy.array([[0, 2, 2, 3], [2, 1, 2, 3], [2, 2, 2, 3], [3, 3, 3, 3]]),
),
(
"The lazy dog slept. The quick fox jumped",
[2, 1, 1, 0, -1, 2, 1, 1, 0],
numpy.array(
[
[0, 2, 2, 3, 3, -1, -1, -1, -1],
[2, 1, 2, 3, 3, -1, -1, -1, -1],
[2, 2, 2, 3, 3, -1, -1, -1, -1],
[3, 3, 3, 3, 3, -1, -1, -1, -1],
[3, 3, 3, 3, 4, -1, -1, -1, -1],
[-1, -1, -1, -1, -1, 5, 7, 7, 8],
[-1, -1, -1, -1, -1, 7, 6, 7, 8],
[-1, -1, -1, -1, -1, 7, 7, 7, 8],
[-1, -1, -1, -1, -1, 8, 8, 8, 8],
]
),
),
],
)
def test_lowest_common_ancestor(en_tokenizer, sentence, heads, lca_matrix):
tokens = en_tokenizer(sentence)
doc = get_doc(tokens.vocab, [t.text for t in tokens], heads=heads)
lca = doc.get_lca_matrix()
assert (lca == lca_matrix).all()
assert lca[1, 1] == 1
assert lca[0, 1] == 2
assert lca[1, 2] == 2