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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
'''
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Test Matcher matches with '*' operator and Boolean flag
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'''
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from __future__ import unicode_literals
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from __future__ import print_function
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import pytest
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from ...matcher import Matcher
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from ...vocab import Vocab
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from ...attrs import LOWER
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from ...tokens import Doc
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def test_basic_case():
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matcher = Matcher(Vocab(
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lex_attr_getters={LOWER: lambda string: string.lower()}))
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IS_ANY_TOKEN = matcher.vocab.add_flag(lambda x: True)
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matcher.add_pattern(
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"FarAway",
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[
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{LOWER: "bob"},
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{'OP': '*', LOWER: 'and'},
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{LOWER: 'frank'}
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])
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doc = Doc(matcher.vocab, words=['bob', 'and', 'and', 'frank'])
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match = matcher(doc)
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assert len(match) == 1
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ent_id, label, start, end = match[0]
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assert start == 0
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assert end == 4
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@pytest.mark.xfail
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def test_issue850():
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'''The problem here is that the variable-length pattern matches the
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succeeding token. We then don't handle the ambiguity correctly.'''
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matcher = Matcher(Vocab(
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lex_attr_getters={LOWER: lambda string: string.lower()}))
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IS_ANY_TOKEN = matcher.vocab.add_flag(lambda x: True)
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matcher.add_pattern(
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"FarAway",
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[
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{LOWER: "bob"},
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{'OP': '*', IS_ANY_TOKEN: True},
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{LOWER: 'frank'}
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])
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doc = Doc(matcher.vocab, words=['bob', 'and', 'and', 'frank'])
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match = matcher(doc)
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assert len(match) == 1
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ent_id, label, start, end = match[0]
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assert start == 0
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assert end == 4
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