mirror of
https://github.com/explosion/spaCy.git
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421 lines
13 KiB
Python
421 lines
13 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import pytest
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import re
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from spacy.matcher import Matcher, DependencyMatcher
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from spacy.tokens import Doc, Token
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@pytest.fixture
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def matcher(en_vocab):
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rules = {
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"JS": [[{"ORTH": "JavaScript"}]],
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"GoogleNow": [[{"ORTH": "Google"}, {"ORTH": "Now"}]],
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"Java": [[{"LOWER": "java"}]],
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}
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matcher = Matcher(en_vocab)
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for key, patterns in rules.items():
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matcher.add(key, None, *patterns)
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return matcher
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def test_matcher_from_api_docs(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"ORTH": "test"}]
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assert len(matcher) == 0
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matcher.add("Rule", None, pattern)
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assert len(matcher) == 1
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matcher.remove("Rule")
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assert "Rule" not in matcher
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matcher.add("Rule", None, pattern)
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assert "Rule" in matcher
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on_match, patterns = matcher.get("Rule")
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assert len(patterns[0])
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def test_matcher_from_usage_docs(en_vocab):
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text = "Wow 😀 This is really cool! 😂 😂"
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doc = Doc(en_vocab, words=text.split(" "))
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pos_emoji = ["😀", "😃", "😂", "🤣", "😊", "😍"]
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pos_patterns = [[{"ORTH": emoji}] for emoji in pos_emoji]
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def label_sentiment(matcher, doc, i, matches):
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match_id, start, end = matches[i]
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if doc.vocab.strings[match_id] == "HAPPY":
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doc.sentiment += 0.1
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span = doc[start:end]
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with doc.retokenize() as retokenizer:
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retokenizer.merge(span)
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token = doc[start]
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token.vocab[token.text].norm_ = "happy emoji"
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matcher = Matcher(en_vocab)
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matcher.add("HAPPY", label_sentiment, *pos_patterns)
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matcher(doc)
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assert doc.sentiment != 0
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assert doc[1].norm_ == "happy emoji"
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def test_matcher_len_contains(matcher):
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assert len(matcher) == 3
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matcher.add("TEST", None, [{"ORTH": "test"}])
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assert "TEST" in matcher
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assert "TEST2" not in matcher
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def test_matcher_no_match(matcher):
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doc = Doc(matcher.vocab, words=["I", "like", "cheese", "."])
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assert matcher(doc) == []
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def test_matcher_match_start(matcher):
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doc = Doc(matcher.vocab, words=["JavaScript", "is", "good"])
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assert matcher(doc) == [(matcher.vocab.strings["JS"], 0, 1)]
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def test_matcher_match_end(matcher):
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words = ["I", "like", "java"]
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doc = Doc(matcher.vocab, words=words)
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assert matcher(doc) == [(doc.vocab.strings["Java"], 2, 3)]
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def test_matcher_match_middle(matcher):
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words = ["I", "like", "Google", "Now", "best"]
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doc = Doc(matcher.vocab, words=words)
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assert matcher(doc) == [(doc.vocab.strings["GoogleNow"], 2, 4)]
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def test_matcher_match_multi(matcher):
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words = ["I", "like", "Google", "Now", "and", "java", "best"]
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doc = Doc(matcher.vocab, words=words)
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assert matcher(doc) == [
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(doc.vocab.strings["GoogleNow"], 2, 4),
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(doc.vocab.strings["Java"], 5, 6),
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]
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def test_matcher_empty_dict(en_vocab):
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"""Test matcher allows empty token specs, meaning match on any token."""
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matcher = Matcher(en_vocab)
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doc = Doc(matcher.vocab, words=["a", "b", "c"])
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matcher.add("A.C", None, [{"ORTH": "a"}, {}, {"ORTH": "c"}])
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matches = matcher(doc)
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assert len(matches) == 1
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assert matches[0][1:] == (0, 3)
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matcher = Matcher(en_vocab)
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matcher.add("A.", None, [{"ORTH": "a"}, {}])
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matches = matcher(doc)
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assert matches[0][1:] == (0, 2)
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def test_matcher_operator_shadow(en_vocab):
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matcher = Matcher(en_vocab)
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doc = Doc(matcher.vocab, words=["a", "b", "c"])
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pattern = [{"ORTH": "a"}, {"IS_ALPHA": True, "OP": "+"}, {"ORTH": "c"}]
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matcher.add("A.C", None, pattern)
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matches = matcher(doc)
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assert len(matches) == 1
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assert matches[0][1:] == (0, 3)
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def test_matcher_match_zero(matcher):
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words1 = 'He said , " some words " ...'.split()
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words2 = 'He said , " some three words " ...'.split()
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pattern1 = [
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{"ORTH": '"'},
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{"OP": "!", "IS_PUNCT": True},
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{"OP": "!", "IS_PUNCT": True},
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{"ORTH": '"'},
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]
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pattern2 = [
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{"ORTH": '"'},
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{"IS_PUNCT": True},
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{"IS_PUNCT": True},
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{"IS_PUNCT": True},
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{"ORTH": '"'},
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]
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matcher.add("Quote", None, pattern1)
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doc = Doc(matcher.vocab, words=words1)
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assert len(matcher(doc)) == 1
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doc = Doc(matcher.vocab, words=words2)
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assert len(matcher(doc)) == 0
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matcher.add("Quote", None, pattern2)
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assert len(matcher(doc)) == 0
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def test_matcher_match_zero_plus(matcher):
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words = 'He said , " some words " ...'.split()
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pattern = [{"ORTH": '"'}, {"OP": "*", "IS_PUNCT": False}, {"ORTH": '"'}]
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matcher = Matcher(matcher.vocab)
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matcher.add("Quote", None, pattern)
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doc = Doc(matcher.vocab, words=words)
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assert len(matcher(doc)) == 1
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def test_matcher_match_one_plus(matcher):
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control = Matcher(matcher.vocab)
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control.add("BasicPhilippe", None, [{"ORTH": "Philippe"}])
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doc = Doc(control.vocab, words=["Philippe", "Philippe"])
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m = control(doc)
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assert len(m) == 2
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matcher.add(
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"KleenePhilippe",
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None,
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[{"ORTH": "Philippe", "OP": "1"}, {"ORTH": "Philippe", "OP": "+"}],
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)
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m = matcher(doc)
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assert len(m) == 1
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def test_matcher_any_token_operator(en_vocab):
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"""Test that patterns with "any token" {} work with operators."""
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matcher = Matcher(en_vocab)
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matcher.add("TEST", None, [{"ORTH": "test"}, {"OP": "*"}])
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doc = Doc(en_vocab, words=["test", "hello", "world"])
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matches = [doc[start:end].text for _, start, end in matcher(doc)]
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assert len(matches) == 3
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assert matches[0] == "test"
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assert matches[1] == "test hello"
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assert matches[2] == "test hello world"
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def test_matcher_extension_attribute(en_vocab):
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matcher = Matcher(en_vocab)
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get_is_fruit = lambda token: token.text in ("apple", "banana")
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Token.set_extension("is_fruit", getter=get_is_fruit, force=True)
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pattern = [{"ORTH": "an"}, {"_": {"is_fruit": True}}]
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matcher.add("HAVING_FRUIT", None, pattern)
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doc = Doc(en_vocab, words=["an", "apple"])
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matches = matcher(doc)
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assert len(matches) == 1
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doc = Doc(en_vocab, words=["an", "aardvark"])
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matches = matcher(doc)
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assert len(matches) == 0
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def test_matcher_set_value(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"ORTH": {"IN": ["an", "a"]}}]
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matcher.add("A_OR_AN", None, pattern)
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doc = Doc(en_vocab, words=["an", "a", "apple"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["aardvark"])
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matches = matcher(doc)
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assert len(matches) == 0
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def test_matcher_set_value_operator(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"ORTH": {"IN": ["a", "the"]}, "OP": "?"}, {"ORTH": "house"}]
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matcher.add("DET_HOUSE", None, pattern)
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doc = Doc(en_vocab, words=["In", "a", "house"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["my", "house"])
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matches = matcher(doc)
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assert len(matches) == 1
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def test_matcher_regex(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"ORTH": {"REGEX": r"(?:a|an)"}}]
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matcher.add("A_OR_AN", None, pattern)
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doc = Doc(en_vocab, words=["an", "a", "hi"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["bye"])
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matches = matcher(doc)
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assert len(matches) == 0
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def test_matcher_regex_shape(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"SHAPE": {"REGEX": r"^[^x]+$"}}]
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matcher.add("NON_ALPHA", None, pattern)
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doc = Doc(en_vocab, words=["99", "problems", "!"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["bye"])
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matches = matcher(doc)
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assert len(matches) == 0
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def test_matcher_compare_length(en_vocab):
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matcher = Matcher(en_vocab)
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pattern = [{"LENGTH": {">=": 2}}]
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matcher.add("LENGTH_COMPARE", None, pattern)
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doc = Doc(en_vocab, words=["a", "aa", "aaa"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["a"])
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matches = matcher(doc)
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assert len(matches) == 0
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def test_matcher_extension_set_membership(en_vocab):
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matcher = Matcher(en_vocab)
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get_reversed = lambda token: "".join(reversed(token.text))
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Token.set_extension("reversed", getter=get_reversed, force=True)
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pattern = [{"_": {"reversed": {"IN": ["eyb", "ih"]}}}]
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matcher.add("REVERSED", None, pattern)
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doc = Doc(en_vocab, words=["hi", "bye", "hello"])
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matches = matcher(doc)
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assert len(matches) == 2
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doc = Doc(en_vocab, words=["aardvark"])
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matches = matcher(doc)
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assert len(matches) == 0
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@pytest.fixture
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def text():
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return "The quick brown fox jumped over the lazy fox"
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@pytest.fixture
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def heads():
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return [3, 2, 1, 1, 0, -1, 2, 1, -3]
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@pytest.fixture
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def deps():
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return ["det", "amod", "amod", "nsubj", "prep", "pobj", "det", "amod"]
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@pytest.fixture
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def dependency_matcher(en_vocab):
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def is_brown_yellow(text):
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return bool(re.compile(r"brown|yellow|over").match(text))
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IS_BROWN_YELLOW = en_vocab.add_flag(is_brown_yellow)
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pattern1 = [
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{"SPEC": {"NODE_NAME": "fox"}, "PATTERN": {"ORTH": "fox"}},
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{
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"SPEC": {"NODE_NAME": "q", "NBOR_RELOP": ">", "NBOR_NAME": "fox"},
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"PATTERN": {"ORTH": "quick", "DEP": "amod"},
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},
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{
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"SPEC": {"NODE_NAME": "r", "NBOR_RELOP": ">", "NBOR_NAME": "fox"},
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"PATTERN": {IS_BROWN_YELLOW: True},
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},
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]
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pattern2 = [
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{"SPEC": {"NODE_NAME": "jumped"}, "PATTERN": {"ORTH": "jumped"}},
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{
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"SPEC": {"NODE_NAME": "fox", "NBOR_RELOP": ">", "NBOR_NAME": "jumped"},
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"PATTERN": {"ORTH": "fox"},
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},
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{
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"SPEC": {"NODE_NAME": "quick", "NBOR_RELOP": ".", "NBOR_NAME": "jumped"},
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"PATTERN": {"ORTH": "fox"},
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},
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]
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pattern3 = [
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{"SPEC": {"NODE_NAME": "jumped"}, "PATTERN": {"ORTH": "jumped"}},
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{
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"SPEC": {"NODE_NAME": "fox", "NBOR_RELOP": ">", "NBOR_NAME": "jumped"},
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"PATTERN": {"ORTH": "fox"},
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},
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{
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"SPEC": {"NODE_NAME": "r", "NBOR_RELOP": ">>", "NBOR_NAME": "fox"},
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"PATTERN": {"ORTH": "brown"},
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},
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]
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matcher = DependencyMatcher(en_vocab)
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matcher.add("pattern1", None, pattern1)
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matcher.add("pattern2", None, pattern2)
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matcher.add("pattern3", None, pattern3)
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return matcher
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def test_dependency_matcher_compile(dependency_matcher):
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assert len(dependency_matcher) == 3
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# def test_dependency_matcher(dependency_matcher, text, heads, deps):
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# doc = get_doc(dependency_matcher.vocab, text.split(), heads=heads, deps=deps)
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# matches = dependency_matcher(doc)
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# assert matches[0][1] == [[3, 1, 2]]
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# assert matches[1][1] == [[4, 3, 3]]
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# assert matches[2][1] == [[4, 3, 2]]
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def test_attr_pipeline_checks(en_vocab):
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doc1 = Doc(en_vocab, words=["Test"])
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doc1.is_parsed = True
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doc2 = Doc(en_vocab, words=["Test"])
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doc2.is_tagged = True
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doc3 = Doc(en_vocab, words=["Test"])
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# DEP requires is_parsed
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matcher = Matcher(en_vocab)
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matcher.add("TEST", None, [{"DEP": "a"}])
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matcher(doc1)
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with pytest.raises(ValueError):
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matcher(doc2)
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with pytest.raises(ValueError):
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matcher(doc3)
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# TAG, POS, LEMMA require is_tagged
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for attr in ("TAG", "POS", "LEMMA"):
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matcher = Matcher(en_vocab)
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matcher.add("TEST", None, [{attr: "a"}])
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matcher(doc2)
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with pytest.raises(ValueError):
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matcher(doc1)
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with pytest.raises(ValueError):
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matcher(doc3)
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# TEXT/ORTH only require tokens
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matcher = Matcher(en_vocab)
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matcher.add("TEST", None, [{"ORTH": "a"}])
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matcher(doc1)
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matcher(doc2)
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matcher(doc3)
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matcher = Matcher(en_vocab)
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matcher.add("TEST", None, [{"TEXT": "a"}])
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matcher(doc1)
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matcher(doc2)
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matcher(doc3)
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@pytest.mark.parametrize(
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"pattern,text",
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[
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([{"IS_ALPHA": True}], "a"),
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([{"IS_ASCII": True}], "a"),
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([{"IS_DIGIT": True}], "1"),
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([{"IS_LOWER": True}], "a"),
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([{"IS_UPPER": True}], "A"),
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([{"IS_TITLE": True}], "Aaaa"),
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([{"IS_PUNCT": True}], "."),
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([{"IS_SPACE": True}], "\n"),
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([{"IS_BRACKET": True}], "["),
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([{"IS_QUOTE": True}], '"'),
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([{"IS_LEFT_PUNCT": True}], "``"),
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([{"IS_RIGHT_PUNCT": True}], "''"),
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([{"IS_STOP": True}], "the"),
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([{"LIKE_NUM": True}], "1"),
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([{"LIKE_URL": True}], "http://example.com"),
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([{"LIKE_EMAIL": True}], "mail@example.com"),
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],
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)
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def test_matcher_schema_token_attributes(en_vocab, pattern, text):
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matcher = Matcher(en_vocab)
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doc = Doc(en_vocab, words=text.split(" "))
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matcher.add("Rule", None, pattern)
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assert len(matcher) == 1
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matches = matcher(doc)
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assert len(matches) == 1
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def test_matcher_valid_callback(en_vocab):
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"""Test that on_match can only be None or callable."""
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matcher = Matcher(en_vocab)
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with pytest.raises(ValueError):
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matcher.add("TEST", [], [{"TEXT": "test"}])
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matcher(Doc(en_vocab, words=["test"]))
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