spaCy/spacy/tests/lang/en/test_parser.py

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2017-01-12 04:16:37 +03:00
# coding: utf-8
from __future__ import unicode_literals
from ...util import get_doc
import pytest
def test_parser_noun_chunks_standard(en_tokenizer):
text = "A base phrase should be recognized."
heads = [2, 1, 3, 2, 1, 0, -1]
tags = ['DT', 'JJ', 'NN', 'MD', 'VB', 'VBN', '.']
deps = ['det', 'amod', 'nsubjpass', 'aux', 'auxpass', 'ROOT', 'punct']
tokens = en_tokenizer(text)
doc = get_doc(tokens.vocab, [t.text for t in tokens], tags=tags, deps=deps, heads=heads)
chunks = list(doc.noun_chunks)
assert len(chunks) == 1
assert chunks[0].text_with_ws == "A base phrase "
def test_parser_noun_chunks_coordinated(en_tokenizer):
text = "A base phrase and a good phrase are often the same."
heads = [2, 1, 5, -1, 2, 1, -4, 0, -1, 1, -3, -4]
tags = ['DT', 'NN', 'NN', 'CC', 'DT', 'JJ', 'NN', 'VBP', 'RB', 'DT', 'JJ', '.']
deps = ['det', 'compound', 'nsubj', 'cc', 'det', 'amod', 'conj', 'ROOT', 'advmod', 'det', 'attr', 'punct']
tokens = en_tokenizer(text)
doc = get_doc(tokens.vocab, [t.text for t in tokens], tags=tags, deps=deps, heads=heads)
chunks = list(doc.noun_chunks)
assert len(chunks) == 2
assert chunks[0].text_with_ws == "A base phrase "
assert chunks[1].text_with_ws == "a good phrase "
def test_parser_noun_chunks_pp_chunks(en_tokenizer):
text = "A phrase with another phrase occurs."
heads = [1, 4, -1, 1, -2, 0, -1]
tags = ['DT', 'NN', 'IN', 'DT', 'NN', 'VBZ', '.']
deps = ['det', 'nsubj', 'prep', 'det', 'pobj', 'ROOT', 'punct']
tokens = en_tokenizer(text)
doc = get_doc(tokens.vocab, [t.text for t in tokens], tags=tags, deps=deps, heads=heads)
chunks = list(doc.noun_chunks)
assert len(chunks) == 2
assert chunks[0].text_with_ws == "A phrase "
assert chunks[1].text_with_ws == "another phrase "