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74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
from __future__ import unicode_literals
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from ...en import English
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import pytest
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@pytest.fixture
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def en_tokenizer():
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return English.Defaults.create_tokenizer()
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@pytest.mark.parametrize('inputs', [("Robin's", "Robin"), ("Alexis's", "Alexis")])
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def test_tokenizer_handles_poss_contraction(en_tokenizer, inputs):
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text_poss, text = inputs
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tokens = en_tokenizer(text_poss)
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assert len(tokens) == 2
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assert tokens[0].text == text
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assert tokens[1].text == "'s"
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@pytest.mark.parametrize('text', ["schools'", "Alexis'"])
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def test_tokenizer_splits_trailing_apos(en_tokenizer, text):
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tokens = en_tokenizer(text)
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assert len(tokens) == 2
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assert tokens[0].text == text.split("'")[0]
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assert tokens[1].text == "'"
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@pytest.mark.parametrize('text', ["'em", "nothin'", "ol'"])
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def text_tokenizer_doesnt_split_apos_exc(en_tokenizer, text):
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tokens = en_tokenizer(text)
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assert len(tokens) == 1
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assert tokens[0].text == text
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@pytest.mark.parametrize('text', ["we'll", "You'll", "there'll"])
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def test_tokenizer_handles_ll_contraction(en_tokenizer, text):
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tokens = en_tokenizer(text)
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assert len(tokens) == 2
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assert tokens[0].text == text.split("'")[0]
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assert tokens[1].text == "'ll"
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assert tokens[1].lemma_ == "will"
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@pytest.mark.parametrize('inputs', [("can't", "Can't"), ("ain't", "Ain't")])
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def test_tokenizer_handles_capitalization(en_tokenizer, inputs):
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text_lower, text_title = inputs
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tokens_lower = en_tokenizer(text_lower)
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tokens_title = en_tokenizer(text_title)
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assert tokens_title[0].text == tokens_lower[0].text.title()
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assert tokens_lower[0].text == tokens_title[0].text.lower()
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assert tokens_lower[1].text == tokens_title[1].text
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@pytest.mark.parametrize('pron', ["I", "You", "He", "She", "It", "We", "They"])
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def test_tokenizer_keeps_title_case(en_tokenizer, pron):
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for contraction in ["'ll", "'d"]:
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tokens = en_tokenizer(pron + contraction)
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assert tokens[0].text == pron
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assert tokens[1].text == contraction
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@pytest.mark.parametrize('exc', ["Ill", "ill", "Hell", "hell", "Well", "well"])
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def test_tokenizer_excludes_ambiguous(en_tokenizer, exc):
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tokens = en_tokenizer(exc)
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assert len(tokens) == 1
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@pytest.mark.parametrize('inputs', [("We've", "``We've"), ("couldn't", "couldn't)")])
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def test_tokenizer_splits_defined_punct(en_tokenizer, inputs):
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wo_punct, w_punct = inputs
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tokens = en_tokenizer(wo_punct)
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assert len(tokens) == 2
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tokens = en_tokenizer(w_punct)
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assert len(tokens) == 3
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