spaCy/spacy/tests/serialize/test_codecs.py
2017-01-12 21:58:55 +01:00

52 lines
1.6 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
from ...serialize.packer import _BinaryCodec
from ...serialize.huffman import HuffmanCodec
from ...serialize.bits import BitArray
import numpy
import pytest
def test_serialize_codecs_binary():
codec = _BinaryCodec()
bits = BitArray()
array = numpy.array([0, 1, 0, 1, 1], numpy.int32)
codec.encode(array, bits)
result = numpy.array([0, 0, 0, 0, 0], numpy.int32)
bits.seek(0)
codec.decode(bits, result)
assert list(array) == list(result)
def test_serialize_codecs_attribute():
freqs = {'the': 10, 'quick': 3, 'brown': 4, 'fox': 1, 'jumped': 5,
'over': 8, 'lazy': 1, 'dog': 2, '.': 9}
int_map = {'the': 0, 'quick': 1, 'brown': 2, 'fox': 3, 'jumped': 4,
'over': 5, 'lazy': 6, 'dog': 7, '.': 8}
codec = HuffmanCodec([(int_map[string], freq) for string, freq in freqs.items()])
bits = BitArray()
array = numpy.array([1, 7], dtype=numpy.int32)
codec.encode(array, bits)
result = numpy.array([0, 0], dtype=numpy.int32)
bits.seek(0)
codec.decode(bits, result)
assert list(array) == list(result)
def test_serialize_codecs_vocab(en_vocab):
words = ["the", "dog", "jumped"]
for word in words:
_ = en_vocab[word]
codec = HuffmanCodec([(lex.orth, lex.prob) for lex in en_vocab])
bits = BitArray()
ids = [en_vocab[s].orth for s in words]
array = numpy.array(ids, dtype=numpy.int32)
codec.encode(array, bits)
result = numpy.array(range(len(array)), dtype=numpy.int32)
bits.seek(0)
codec.decode(bits, result)
assert list(array) == list(result)