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Test Issue #459: Fail to deserialize empty doc

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This commit is contained in:
Matthew Honnibal 2016-10-23 16:30:22 +02:00
parent 49c117960c
commit e99b3f5322
1 changed files with 13 additions and 0 deletions
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13
spacy/tests/serialize/test_serialization.py
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@ -2,6 +2,9 @@ from __future__ import unicode_literals
import pytest
from spacy.tokens import Doc
import spacy.en
from spacy.serialize.packer import Packer
def equal(doc1, doc2):
# tokens
@ -84,3 +87,13 @@ def test_serialize_tokens_tags_parse_ner(EN):
doc2 = Doc(EN.vocab).from_bytes(doc1.to_bytes())
equal(doc1, doc2)
def test_serialize_empty_doc():
vocab = spacy.en.English.Defaults.create_vocab()
doc = Doc(vocab)
packer = Packer(vocab, {})
b = packer.pack(doc)
assert b == b''
loaded = Doc(vocab).from_bytes(b)
assert len(loaded) == 0