pyzmq/zmq/tests/test_cython.py

52 lines
1.2 KiB
Python

import os
import sys
import pytest
import zmq
pyximport = pytest.importorskip("pyximport")
HERE = os.path.dirname(__file__)
cython_ext = os.path.join(HERE, "cython_ext.pyx")
@pytest.mark.skipif(
not os.path.exists(cython_ext),
reason=f"Requires cython test file {cython_ext}",
)
@pytest.mark.skipif(
'zmq.backend.cython' not in sys.modules, reason="Requires cython backend"
)
@pytest.mark.skipif(
sys.platform.startswith('win'), reason="Don't try runtime Cython on Windows"
)
@pytest.mark.parametrize('language_level', [3, 2])
def test_cython(language_level, request, tmpdir):
assert 'zmq.tests.cython_ext' not in sys.modules
importers = pyximport.install(
setup_args=dict(include_dirs=zmq.get_includes()),
language_level=language_level,
build_dir=str(tmpdir),
)
cython_ext = None
def unimport():
pyximport.uninstall(*importers)
sys.modules.pop('zmq.tests.cython_ext', None)
request.addfinalizer(unimport)
# this import tests the compilation
from . import cython_ext
assert hasattr(cython_ext, 'send_recv_test')
# call the compiled function
# this shouldn't do much
msg = b'my msg'
received = cython_ext.send_recv_test(msg)
assert received == msg