mirror of
https://github.com/explosion/spaCy.git
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b6e991440c
* Auto-format tests with black * Add flake8 config * Tidy up and remove unused imports * Fix redefinitions of test functions * Replace orths_and_spaces with words and spaces * Fix compatibility with pytest 4.0 * xfail test for now Test was previously overwritten by following test due to naming conflict, so failure wasn't reported * Unfail passing test * Only use fixture via arguments Fixes pytest 4.0 compatibility
132 lines
3.9 KiB
Python
132 lines
3.9 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
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from spacy.tokens import Doc
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pattern1 = [{"ORTH": "A", "OP": "1"}, {"ORTH": "A", "OP": "*"}]
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pattern2 = [{"ORTH": "A", "OP": "*"}, {"ORTH": "A", "OP": "1"}]
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pattern3 = [{"ORTH": "A", "OP": "1"}, {"ORTH": "A", "OP": "1"}]
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pattern4 = [
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{"ORTH": "B", "OP": "1"},
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{"ORTH": "A", "OP": "*"},
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{"ORTH": "B", "OP": "1"},
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]
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pattern5 = [
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{"ORTH": "B", "OP": "*"},
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{"ORTH": "A", "OP": "*"},
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{"ORTH": "B", "OP": "1"},
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]
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re_pattern1 = "AA*"
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re_pattern2 = "A*A"
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re_pattern3 = "AA"
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re_pattern4 = "BA*B"
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re_pattern5 = "B*A*B"
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@pytest.fixture
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def text():
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return "(ABBAAAAAB)."
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@pytest.fixture
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def doc(en_tokenizer, text):
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doc = en_tokenizer(" ".join(text))
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return doc
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@pytest.mark.parametrize(
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"pattern,re_pattern",
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[
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pytest.param(pattern1, re_pattern1, marks=pytest.mark.xfail()),
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pytest.param(pattern2, re_pattern2, marks=pytest.mark.xfail()),
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pytest.param(pattern3, re_pattern3, marks=pytest.mark.xfail()),
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(pattern4, re_pattern4),
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pytest.param(pattern5, re_pattern5, marks=pytest.mark.xfail()),
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],
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)
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def test_greedy_matching(doc, text, pattern, re_pattern):
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"""Test that the greedy matching behavior of the * op is consistant with
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other re implementations."""
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matcher = Matcher(doc.vocab)
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matcher.add(re_pattern, None, pattern)
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matches = matcher(doc)
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re_matches = [m.span() for m in re.finditer(re_pattern, text)]
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for match, re_match in zip(matches, re_matches):
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assert match[1:] == re_match
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@pytest.mark.xfail
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@pytest.mark.parametrize(
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"pattern,re_pattern",
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[
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(pattern1, re_pattern1),
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(pattern2, re_pattern2),
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(pattern3, re_pattern3),
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(pattern4, re_pattern4),
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(pattern5, re_pattern5),
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],
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)
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def test_match_consuming(doc, text, pattern, re_pattern):
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"""Test that matcher.__call__ consumes tokens on a match similar to
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re.findall."""
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matcher = Matcher(doc.vocab)
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matcher.add(re_pattern, None, pattern)
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matches = matcher(doc)
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re_matches = [m.span() for m in re.finditer(re_pattern, text)]
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assert len(matches) == len(re_matches)
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def test_operator_combos(en_vocab):
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cases = [
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("aaab", "a a a b", True),
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("aaab", "a+ b", True),
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("aaab", "a+ a+ b", True),
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("aaab", "a+ a+ a b", True),
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("aaab", "a+ a+ a+ b", True),
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("aaab", "a+ a a b", True),
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("aaab", "a+ a a", True),
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("aaab", "a+", True),
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("aaa", "a+ b", False),
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("aaa", "a+ a+ b", False),
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("aaa", "a+ a+ a+ b", False),
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("aaa", "a+ a b", False),
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("aaa", "a+ a a b", False),
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("aaab", "a+ a a", True),
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("aaab", "a+", True),
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("aaab", "a+ a b", True),
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]
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for string, pattern_str, result in cases:
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matcher = Matcher(en_vocab)
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doc = Doc(matcher.vocab, words=list(string))
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pattern = []
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for part in pattern_str.split():
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if part.endswith("+"):
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pattern.append({"ORTH": part[0], "OP": "+"})
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else:
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pattern.append({"ORTH": part})
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matcher.add("PATTERN", None, pattern)
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matches = matcher(doc)
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if result:
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assert matches, (string, pattern_str)
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else:
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assert not matches, (string, pattern_str)
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def test_matcher_end_zero_plus(en_vocab):
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"""Test matcher works when patterns end with * operator. (issue 1450)"""
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matcher = Matcher(en_vocab)
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pattern = [{"ORTH": "a"}, {"ORTH": "b", "OP": "*"}]
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matcher.add("TSTEND", None, pattern)
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nlp = lambda string: Doc(matcher.vocab, words=string.split())
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assert len(matcher(nlp("a"))) == 1
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assert len(matcher(nlp("a b"))) == 2
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assert len(matcher(nlp("a c"))) == 1
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assert len(matcher(nlp("a b c"))) == 2
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assert len(matcher(nlp("a b b c"))) == 3
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assert len(matcher(nlp("a b b"))) == 3
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