spaCy/spacy/tests/doc/test_creation.py
Ines Montani cf65a80f36 Refactor lemmatizer and data table integration (#4353)
* Move test

* Allow default in Lookups.get_table

* Start with blank tables in Lookups.from_bytes

* Refactor lemmatizer to hold instance of Lookups

* Get lookups table within the lemmatization methods to make sure it references the correct table (even if the table was replaced or modified, e.g. when loading a model from disk)
* Deprecate other arguments on Lemmatizer.__init__ and expect Lookups for consistency
* Remove old and unsupported Lemmatizer.load classmethod
* Refactor language-specific lemmatizers to inherit as much as possible from base class and override only what they need

* Update tests and docs

* Fix more tests

* Fix lemmatizer

* Upgrade pytest to try and fix weird CI errors

* Try pytest 4.6.5
2019-10-01 21:36:03 +02:00

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Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
from spacy.vocab import Vocab
from spacy.tokens import Doc
from spacy.lemmatizer import Lemmatizer
from spacy.lookups import Lookups
@pytest.fixture
def lemmatizer():
lookups = Lookups()
lookups.add_table("lemma_lookup", {"dogs": "dog", "boxen": "box", "mice": "mouse"})
return Lemmatizer(lookups)
@pytest.fixture
def vocab(lemmatizer):
return Vocab(lemmatizer=lemmatizer)
def test_empty_doc(vocab):
doc = Doc(vocab)
assert len(doc) == 0
def test_single_word(vocab):
doc = Doc(vocab, words=["a"])
assert doc.text == "a "
doc = Doc(vocab, words=["a"], spaces=[False])
assert doc.text == "a"
def test_lookup_lemmatization(vocab):
doc = Doc(vocab, words=["dogs", "dogses"])
assert doc[0].text == "dogs"
assert doc[0].lemma_ == "dog"
assert doc[1].text == "dogses"
assert doc[1].lemma_ == "dogses"