spaCy/spacy/tests/test_misc.py

123 lines
3.4 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
import os
import ctypes
from pathlib import Path
from spacy import util
from spacy import prefer_gpu, require_gpu
from spacy.compat import symlink_to, symlink_remove, path2str, is_windows
from spacy._ml import PrecomputableAffine
from subprocess import CalledProcessError
@pytest.fixture
def symlink_target():
return Path("./foo-target")
@pytest.fixture
def symlink():
return Path("./foo-symlink")
@pytest.fixture(scope="function")
def symlink_setup_target(request, symlink_target, symlink):
if not symlink_target.exists():
os.mkdir(path2str(symlink_target))
# yield -- need to cleanup even if assertion fails
# https://github.com/pytest-dev/pytest/issues/2508#issuecomment-309934240
def cleanup():
# Remove symlink only if it was created
if symlink.exists():
symlink_remove(symlink)
os.rmdir(path2str(symlink_target))
request.addfinalizer(cleanup)
@pytest.fixture
def is_admin():
"""Determine if the tests are run as admin or not."""
try:
admin = os.getuid() == 0
except AttributeError:
admin = ctypes.windll.shell32.IsUserAnAdmin() != 0
return admin
@pytest.mark.parametrize("text", ["hello/world", "hello world"])
def test_util_ensure_path_succeeds(text):
path = util.ensure_path(text)
assert isinstance(path, Path)
@pytest.mark.parametrize("package", ["numpy"])
def test_util_is_package(package):
"""Test that an installed package via pip is recognised by util.is_package."""
assert util.is_package(package)
@pytest.mark.parametrize("package", ["thinc"])
def test_util_get_package_path(package):
"""Test that a Path object is returned for a package name."""
path = util.get_package_path(package)
assert isinstance(path, Path)
def test_PrecomputableAffine(nO=4, nI=5, nF=3, nP=2):
model = PrecomputableAffine(nO=nO, nI=nI, nF=nF, nP=nP)
assert model.W.shape == (nF, nO, nP, nI)
tensor = model.ops.allocate((10, nI))
Y, get_dX = model.begin_update(tensor)
assert Y.shape == (tensor.shape[0] + 1, nF, nO, nP)
assert model.d_pad.shape == (1, nF, nO, nP)
dY = model.ops.allocate((15, nO, nP))
ids = model.ops.allocate((15, nF))
ids[1, 2] = -1
dY[1] = 1
assert model.d_pad[0, 2, 0, 0] == 0.0
model._backprop_padding(dY, ids)
assert model.d_pad[0, 2, 0, 0] == 1.0
model.d_pad.fill(0.0)
ids.fill(0.0)
dY.fill(0.0)
ids[1, 2] = -1
ids[1, 1] = -1
ids[1, 0] = -1
dY[1] = 1
assert model.d_pad[0, 2, 0, 0] == 0.0
model._backprop_padding(dY, ids)
assert model.d_pad[0, 2, 0, 0] == 3.0
def test_prefer_gpu():
assert not prefer_gpu()
def test_require_gpu():
with pytest.raises(ValueError):
require_gpu()
def test_create_symlink_windows(
symlink_setup_target, symlink_target, symlink, is_admin
):
"""Test the creation of symlinks on windows. If run as admin or not on windows it should succeed, otherwise a CalledProcessError should be raised."""
assert symlink_target.exists()
if is_admin or not is_windows:
try:
symlink_to(symlink, symlink_target)
assert symlink.exists()
except CalledProcessError as e:
pytest.fail(e)
else:
with pytest.raises(CalledProcessError):
symlink_to(symlink, symlink_target)
assert not symlink.exists()