mirror of
https://github.com/explosion/spaCy.git
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296 lines
11 KiB
Python
296 lines
11 KiB
Python
import pytest
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import numpy
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from spacy.attrs import IS_ALPHA, IS_DIGIT, IS_LOWER, IS_PUNCT, IS_TITLE, IS_STOP
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from spacy.symbols import VERB
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from spacy.vocab import Vocab
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from spacy.tokens import Doc
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from spacy.training import Example
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@pytest.fixture
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def doc(en_vocab):
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# fmt: off
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words = ["This", "is", "a", "sentence", ".", "This", "is", "another", "sentence", ".", "And", "a", "third", "."]
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heads = [1, 1, 3, 1, 1, 6, 6, 8, 6, 6, 10, 12, 10, 12]
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deps = ["nsubj", "ROOT", "det", "attr", "punct", "nsubj", "ROOT", "det",
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"attr", "punct", "ROOT", "det", "npadvmod", "punct"]
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# fmt: on
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return Doc(en_vocab, words=words, heads=heads, deps=deps)
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def test_doc_token_api_strings(en_vocab):
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words = ["Give", "it", "back", "!", "He", "pleaded", "."]
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pos = ["VERB", "PRON", "PART", "PUNCT", "PRON", "VERB", "PUNCT"]
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heads = [0, 0, 0, 0, 5, 5, 5]
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deps = ["ROOT", "dobj", "prt", "punct", "nsubj", "ROOT", "punct"]
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doc = Doc(en_vocab, words=words, pos=pos, heads=heads, deps=deps)
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assert doc[0].orth_ == "Give"
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assert doc[0].text == "Give"
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assert doc[0].text_with_ws == "Give "
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assert doc[0].lower_ == "give"
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assert doc[0].shape_ == "Xxxx"
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assert doc[0].prefix_ == "G"
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assert doc[0].suffix_ == "ive"
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assert doc[0].pos_ == "VERB"
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assert doc[0].dep_ == "ROOT"
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def test_doc_token_api_flags(en_tokenizer):
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text = "Give it back! He pleaded."
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tokens = en_tokenizer(text)
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assert tokens[0].check_flag(IS_ALPHA)
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assert not tokens[0].check_flag(IS_DIGIT)
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assert tokens[0].check_flag(IS_TITLE)
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assert tokens[1].check_flag(IS_LOWER)
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assert tokens[3].check_flag(IS_PUNCT)
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assert tokens[2].check_flag(IS_STOP)
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assert not tokens[5].check_flag(IS_STOP)
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# TODO: Test more of these, esp. if a bug is found
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@pytest.mark.parametrize("text", ["Give it back! He pleaded."])
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def test_doc_token_api_prob_inherited_from_vocab(en_tokenizer, text):
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word = text.split()[0]
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en_tokenizer.vocab[word].prob = -1
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tokens = en_tokenizer(text)
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assert tokens[0].prob != 0
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@pytest.mark.parametrize("text", ["one two"])
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def test_doc_token_api_str_builtin(en_tokenizer, text):
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tokens = en_tokenizer(text)
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assert str(tokens[0]) == text.split(" ")[0]
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assert str(tokens[1]) == text.split(" ")[1]
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def test_doc_token_api_is_properties(en_vocab):
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doc = Doc(en_vocab, words=["Hi", ",", "my", "email", "is", "test@me.com"])
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assert doc[0].is_title
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assert doc[0].is_alpha
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assert not doc[0].is_digit
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assert doc[1].is_punct
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assert doc[3].is_ascii
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assert not doc[3].like_url
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assert doc[4].is_lower
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assert doc[5].like_email
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def test_doc_token_api_vectors():
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vocab = Vocab()
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vocab.reset_vectors(width=2)
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vocab.set_vector("apples", vector=numpy.asarray([0.0, 2.0], dtype="f"))
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vocab.set_vector("oranges", vector=numpy.asarray([0.0, 1.0], dtype="f"))
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doc = Doc(vocab, words=["apples", "oranges", "oov"])
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assert doc.has_vector
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assert doc[0].has_vector
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assert doc[1].has_vector
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assert not doc[2].has_vector
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apples_norm = (0 * 0 + 2 * 2) ** 0.5
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oranges_norm = (0 * 0 + 1 * 1) ** 0.5
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cosine = ((0 * 0) + (2 * 1)) / (apples_norm * oranges_norm)
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assert doc[0].similarity(doc[1]) == cosine
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def test_doc_token_api_ancestors(en_vocab):
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# the structure of this sentence depends on the English annotation scheme
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words = ["Yesterday", "I", "saw", "a", "dog", "that", "barked", "loudly", "."]
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heads = [2, 2, 2, 4, 2, 6, 4, 6, 2]
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deps = ["dep"] * len(heads)
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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assert [t.text for t in doc[6].ancestors] == ["dog", "saw"]
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assert [t.text for t in doc[1].ancestors] == ["saw"]
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assert [t.text for t in doc[2].ancestors] == []
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assert doc[2].is_ancestor(doc[7])
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assert not doc[6].is_ancestor(doc[2])
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def test_doc_token_api_head_setter(en_vocab):
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words = ["Yesterday", "I", "saw", "a", "dog", "that", "barked", "loudly", "."]
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heads = [2, 2, 2, 4, 2, 6, 4, 6, 2]
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deps = ["dep"] * len(heads)
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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assert doc[6].n_lefts == 1
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assert doc[6].n_rights == 1
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assert doc[6].left_edge.i == 5
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assert doc[6].right_edge.i == 7
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assert doc[4].n_lefts == 1
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assert doc[4].n_rights == 1
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assert doc[4].left_edge.i == 3
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assert doc[4].right_edge.i == 7
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assert doc[3].n_lefts == 0
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assert doc[3].n_rights == 0
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assert doc[3].left_edge.i == 3
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assert doc[3].right_edge.i == 3
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assert doc[2].left_edge.i == 0
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assert doc[2].right_edge.i == 8
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doc[6].head = doc[3]
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assert doc[6].n_lefts == 1
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assert doc[6].n_rights == 1
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assert doc[6].left_edge.i == 5
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assert doc[6].right_edge.i == 7
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assert doc[3].n_lefts == 0
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assert doc[3].n_rights == 1
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assert doc[3].left_edge.i == 3
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assert doc[3].right_edge.i == 7
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assert doc[4].n_lefts == 1
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assert doc[4].n_rights == 0
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assert doc[4].left_edge.i == 3
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assert doc[4].right_edge.i == 7
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assert doc[2].left_edge.i == 0
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assert doc[2].right_edge.i == 8
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doc[0].head = doc[5]
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assert doc[5].left_edge.i == 0
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assert doc[6].left_edge.i == 0
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assert doc[3].left_edge.i == 0
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assert doc[4].left_edge.i == 0
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assert doc[2].left_edge.i == 0
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# head token must be from the same document
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doc2 = Doc(en_vocab, words=words, heads=heads, deps=["dep"] * len(heads))
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with pytest.raises(ValueError):
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doc[0].head = doc2[0]
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# test sentence starts when two sentences are joined
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# fmt: off
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words = ["This", "is", "one", "sentence", ".", "This", "is", "another", "sentence", "."]
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heads = [0, 0, 0, 0, 0, 5, 5, 5, 5, 5]
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# fmt: on
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doc = Doc(en_vocab, words=words, heads=heads, deps=["dep"] * len(heads))
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# initially two sentences
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assert doc[0].is_sent_start
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assert doc[5].is_sent_start
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assert doc[0].left_edge == doc[0]
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assert doc[0].right_edge == doc[4]
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assert doc[5].left_edge == doc[5]
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assert doc[5].right_edge == doc[9]
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# modifying with a sentence doesn't change sent starts
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doc[2].head = doc[3]
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assert doc[0].is_sent_start
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assert doc[5].is_sent_start
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assert doc[0].left_edge == doc[0]
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assert doc[0].right_edge == doc[4]
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assert doc[5].left_edge == doc[5]
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assert doc[5].right_edge == doc[9]
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# attach the second sentence to the first, resulting in one sentence
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doc[5].head = doc[0]
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assert doc[0].is_sent_start
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assert not doc[5].is_sent_start
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assert doc[0].left_edge == doc[0]
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assert doc[0].right_edge == doc[9]
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def test_is_sent_start(en_tokenizer):
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doc = en_tokenizer("This is a sentence. This is another.")
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assert doc[5].is_sent_start is None
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doc[5].is_sent_start = True
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assert doc[5].is_sent_start is True
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assert len(list(doc.sents)) == 2
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def test_is_sent_end(en_tokenizer):
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doc = en_tokenizer("This is a sentence. This is another.")
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assert doc[4].is_sent_end is None
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doc[5].is_sent_start = True
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assert doc[4].is_sent_end is True
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assert len(list(doc.sents)) == 2
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def test_set_pos():
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doc = Doc(Vocab(), words=["hello", "world"])
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doc[0].pos_ = "NOUN"
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assert doc[0].pos_ == "NOUN"
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doc[1].pos = VERB
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assert doc[1].pos_ == "VERB"
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def test_set_invalid_pos():
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doc = Doc(Vocab(), words=["hello", "world"])
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with pytest.raises(ValueError):
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doc[0].pos_ = "blah"
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def test_tokens_sent(doc):
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"""Test token.sent property"""
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assert len(list(doc.sents)) == 3
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assert doc[1].sent.text == "This is a sentence ."
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assert doc[7].sent.text == "This is another sentence ."
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assert doc[1].sent.root.left_edge.text == "This"
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assert doc[7].sent.root.left_edge.text == "This"
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def test_token0_has_sent_start_true():
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doc = Doc(Vocab(), words=["hello", "world"])
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assert doc[0].is_sent_start is True
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assert doc[1].is_sent_start is None
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assert not doc.has_annotation("SENT_START")
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def test_tokenlast_has_sent_end_true():
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doc = Doc(Vocab(), words=["hello", "world"])
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assert doc[0].is_sent_end is None
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assert doc[1].is_sent_end is True
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assert not doc.has_annotation("SENT_START")
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def test_token_api_conjuncts_chain(en_vocab):
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words = ["The", "boy", "and", "the", "girl", "and", "the", "man", "went", "."]
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heads = [1, 8, 1, 4, 1, 4, 7, 4, 8, 8]
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deps = ["det", "nsubj", "cc", "det", "conj", "cc", "det", "conj", "ROOT", "punct"]
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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assert [w.text for w in doc[1].conjuncts] == ["girl", "man"]
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assert [w.text for w in doc[4].conjuncts] == ["boy", "man"]
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assert [w.text for w in doc[7].conjuncts] == ["boy", "girl"]
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def test_token_api_conjuncts_simple(en_vocab):
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words = ["They", "came", "and", "went", "."]
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heads = [1, 1, 1, 1, 3]
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deps = ["nsubj", "ROOT", "cc", "conj", "dep"]
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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assert [w.text for w in doc[1].conjuncts] == ["went"]
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assert [w.text for w in doc[3].conjuncts] == ["came"]
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def test_token_api_non_conjuncts(en_vocab):
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words = ["They", "came", "."]
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heads = [1, 1, 1]
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deps = ["nsubj", "ROOT", "punct"]
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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assert [w.text for w in doc[0].conjuncts] == []
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assert [w.text for w in doc[1].conjuncts] == []
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def test_missing_head_dep(en_vocab):
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"""Check that the Doc constructor and Example.from_dict parse missing information the same"""
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heads = [1, 1, 1, 1, 2, None] # element 5 is missing
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deps = ["", "ROOT", "dobj", "cc", "conj", None] # element 0 and 5 are missing
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words = ["I", "like", "London", "and", "Berlin", "."]
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doc = Doc(en_vocab, words=words, heads=heads, deps=deps)
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pred_has_heads = [t.has_head() for t in doc]
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pred_has_deps = [t.has_dep() for t in doc]
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pred_heads = [t.head.i for t in doc]
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pred_deps = [t.dep_ for t in doc]
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pred_sent_starts = [t.is_sent_start for t in doc]
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assert pred_has_heads == [False, True, True, True, True, False]
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assert pred_has_deps == [False, True, True, True, True, False]
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assert pred_heads[1:5] == [1, 1, 1, 2]
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assert pred_deps[1:5] == ["ROOT", "dobj", "cc", "conj"]
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assert pred_sent_starts == [True, False, False, False, False, False]
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example = Example.from_dict(doc, {"heads": heads, "deps": deps})
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ref_has_heads = [t.has_head() for t in example.reference]
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ref_has_deps = [t.has_dep() for t in example.reference]
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ref_heads = [t.head.i for t in example.reference]
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ref_deps = [t.dep_ for t in example.reference]
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ref_sent_starts = [t.is_sent_start for t in example.reference]
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assert ref_has_heads == pred_has_heads
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assert ref_has_deps == pred_has_heads
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assert ref_heads == pred_heads
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assert ref_deps == pred_deps
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assert ref_sent_starts == pred_sent_starts
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# check that the aligned parse preserves the missing information
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aligned_heads, aligned_deps = example.get_aligned_parse(projectivize=True)
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assert aligned_deps[0] == ref_deps[0]
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assert aligned_heads[0] == ref_heads[0]
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assert aligned_deps[5] == ref_deps[5]
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assert aligned_heads[5] == ref_heads[5]
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