spaCy/spacy/tests/test_util.py
2020-07-27 17:54:44 +02:00

111 lines
3.6 KiB
Python

import pytest
from .util import get_random_doc
from spacy import util
from spacy.util import minibatch_by_words, dot_to_object
from thinc.api import Config, Optimizer
from ..lang.en import English
from ..lang.nl import Dutch
from ..language import DEFAULT_CONFIG_PATH
@pytest.mark.parametrize(
"doc_sizes, expected_batches",
[
([400, 400, 199], [3]),
([400, 400, 199, 3], [4]),
([400, 400, 199, 3, 200], [3, 2]),
([400, 400, 199, 3, 1], [5]),
([400, 400, 199, 3, 1, 1500], [5]), # 1500 will be discarded
([400, 400, 199, 3, 1, 200], [3, 3]),
([400, 400, 199, 3, 1, 999], [3, 3]),
([400, 400, 199, 3, 1, 999, 999], [3, 2, 1, 1]),
([1, 2, 999], [3]),
([1, 2, 999, 1], [4]),
([1, 200, 999, 1], [2, 2]),
([1, 999, 200, 1], [2, 2]),
],
)
def test_util_minibatch(doc_sizes, expected_batches):
docs = [get_random_doc(doc_size) for doc_size in doc_sizes]
tol = 0.2
batch_size = 1000
batches = list(
minibatch_by_words(docs, size=batch_size, tolerance=tol, discard_oversize=True)
)
assert [len(batch) for batch in batches] == expected_batches
max_size = batch_size + batch_size * tol
for batch in batches:
assert sum([len(doc) for doc in batch]) < max_size
@pytest.mark.parametrize(
"doc_sizes, expected_batches",
[
([400, 4000, 199], [1, 2]),
([400, 400, 199, 3000, 200], [1, 4]),
([400, 400, 199, 3, 1, 1500], [1, 5]),
([400, 400, 199, 3000, 2000, 200, 200], [1, 1, 3, 2]),
([1, 2, 9999], [1, 2]),
([2000, 1, 2000, 1, 1, 1, 2000], [1, 1, 1, 4]),
],
)
def test_util_minibatch_oversize(doc_sizes, expected_batches):
""" Test that oversized documents are returned in their own batch"""
docs = [get_random_doc(doc_size) for doc_size in doc_sizes]
tol = 0.2
batch_size = 1000
batches = list(
minibatch_by_words(docs, size=batch_size, tolerance=tol, discard_oversize=False)
)
assert [len(batch) for batch in batches] == expected_batches
def test_util_dot_section():
cfg_string = """
[nlp]
lang = "en"
pipeline = ["textcat"]
load_vocab_data = false
[components]
[components.textcat]
factory = "textcat"
[components.textcat.model]
@architectures = "spacy.TextCatBOW.v1"
exclusive_classes = true
ngram_size = 1
no_output_layer = false
"""
nlp_config = Config().from_str(cfg_string)
en_nlp, en_config = util.load_model_from_config(nlp_config, auto_fill=True)
default_config = Config().from_disk(DEFAULT_CONFIG_PATH)
default_config["nlp"]["lang"] = "nl"
nl_nlp, nl_config = util.load_model_from_config(default_config, auto_fill=True)
# Test that creation went OK
assert isinstance(en_nlp, English)
assert isinstance(nl_nlp, Dutch)
assert nl_nlp.pipe_names == []
assert en_nlp.pipe_names == ["textcat"]
assert en_nlp.get_pipe("textcat").model.attrs["multi_label"] == False # not exclusive_classes
# Test that default values got overwritten
assert not en_config["nlp"]["load_vocab_data"]
assert nl_config["nlp"]["load_vocab_data"] # default value True
# Test proper functioning of 'dot_to_object'
with pytest.raises(KeyError):
obj = dot_to_object(en_config, "nlp.pipeline.tagger")
with pytest.raises(KeyError):
obj = dot_to_object(en_config, "nlp.unknownattribute")
assert not dot_to_object(en_config, "nlp.load_vocab_data")
assert dot_to_object(nl_config, "nlp.load_vocab_data")
assert isinstance(dot_to_object(nl_config, "training.optimizer"), Optimizer)