mirror of https://github.com/explosion/spaCy.git
139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
from __future__ import unicode_literals
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from spacy.tokens import Doc
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import pytest
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@pytest.mark.models
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def test_getitem(EN):
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tokens = EN(u'Give it back! He pleaded.')
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assert tokens[0].orth_ == 'Give'
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assert tokens[-1].orth_ == '.'
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with pytest.raises(IndexError):
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tokens[len(tokens)]
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def to_str(span):
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return '/'.join(token.orth_ for token in span)
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span = tokens[1:1]
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assert not to_str(span)
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span = tokens[1:4]
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assert to_str(span) == 'it/back/!'
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span = tokens[1:4:1]
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assert to_str(span) == 'it/back/!'
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with pytest.raises(ValueError):
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tokens[1:4:2]
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with pytest.raises(ValueError):
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tokens[1:4:-1]
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span = tokens[-3:6]
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assert to_str(span) == 'He/pleaded'
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span = tokens[4:-1]
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assert to_str(span) == 'He/pleaded'
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span = tokens[-5:-3]
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assert to_str(span) == 'back/!'
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span = tokens[5:4]
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assert span.start == span.end == 5 and not to_str(span)
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span = tokens[4:-3]
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assert span.start == span.end == 4 and not to_str(span)
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span = tokens[:]
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assert to_str(span) == 'Give/it/back/!/He/pleaded/.'
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span = tokens[4:]
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assert to_str(span) == 'He/pleaded/.'
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span = tokens[:4]
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assert to_str(span) == 'Give/it/back/!'
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span = tokens[:-3]
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assert to_str(span) == 'Give/it/back/!'
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span = tokens[-3:]
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assert to_str(span) == 'He/pleaded/.'
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span = tokens[4:50]
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assert to_str(span) == 'He/pleaded/.'
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span = tokens[-50:4]
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assert to_str(span) == 'Give/it/back/!'
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span = tokens[-50:-40]
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assert span.start == span.end == 0 and not to_str(span)
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span = tokens[40:50]
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assert span.start == span.end == 7 and not to_str(span)
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span = tokens[1:4]
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assert span[0].orth_ == 'it'
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subspan = span[:]
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assert to_str(subspan) == 'it/back/!'
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subspan = span[:2]
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assert to_str(subspan) == 'it/back'
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subspan = span[1:]
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assert to_str(subspan) == 'back/!'
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subspan = span[:-1]
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assert to_str(subspan) == 'it/back'
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subspan = span[-2:]
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assert to_str(subspan) == 'back/!'
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subspan = span[1:2]
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assert to_str(subspan) == 'back'
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subspan = span[-2:-1]
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assert to_str(subspan) == 'back'
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subspan = span[-50:50]
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assert to_str(subspan) == 'it/back/!'
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subspan = span[50:-50]
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assert subspan.start == subspan.end == 4 and not to_str(subspan)
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@pytest.mark.models
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def test_serialize(EN):
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tokens = EN(u'Give it back! He pleaded.')
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packed = tokens.to_bytes()
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new_tokens = Doc(EN.vocab).from_bytes(packed)
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assert tokens.string == new_tokens.string
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assert [t.orth_ for t in tokens] == [t.orth_ for t in new_tokens]
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assert [t.orth for t in tokens] == [t.orth for t in new_tokens]
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@pytest.mark.models
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def test_serialize_whitespace(EN):
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tokens = EN(u' Give it back! He pleaded. ')
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packed = tokens.to_bytes()
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new_tokens = Doc(EN.vocab).from_bytes(packed)
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assert tokens.string == new_tokens.string
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assert [t.orth_ for t in tokens] == [t.orth_ for t in new_tokens]
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assert [t.orth for t in tokens] == [t.orth for t in new_tokens]
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def test_set_ents(EN):
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tokens = EN.tokenizer(u'I use goggle chrone to surf the web')
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assert len(tokens.ents) == 0
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tokens.ents = [(EN.vocab.strings['PRODUCT'], 2, 4)]
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assert len(list(tokens.ents)) == 1
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assert [t.ent_iob for t in tokens] == [0, 0, 3, 1, 0, 0, 0, 0]
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ent = tokens.ents[0]
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assert ent.label_ == 'PRODUCT'
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assert ent.start == 2
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assert ent.end == 4
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def test_merge(EN):
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doc = EN('WKRO played songs by the beach boys all night')
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assert len(doc) == 9
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# merge 'The Beach Boys'
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doc.merge(doc[4].idx, doc[6].idx + len(doc[6]), 'NAMED', 'LEMMA', 'TYPE')
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assert len(doc) == 7
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assert doc[4].text == 'the beach boys'
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assert doc[4].text_with_ws == 'the beach boys '
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assert doc[4].tag_ == 'NAMED'
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@pytest.mark.models
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def test_merge_children(EN):
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"""Test that attachments work correctly after merging."""
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doc = EN('WKRO played songs by the beach boys all night')
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# merge 'The Beach Boys'
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doc.merge(doc[4].idx, doc[6].idx + len(doc[6]), 'NAMED', 'LEMMA', 'TYPE')
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for word in doc:
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if word.i < word.head.i:
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assert word in list(word.head.lefts)
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elif word.i > word.head.i:
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assert word in list(word.head.rights)
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