pyzmq/tests/test_cython.py

50 lines
1.3 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.skipif(
os.environ.get("ZMQ_PREFIX") == "bundled", reason="bundled builds don't have zmq.h"
)
@pytest.mark.parametrize('language_level', [3, 2])
def test_cython(language_level, request, tmpdir):
hook = pyximport.install(
setup_args=dict(include_dirs=zmq.get_includes()),
language_level=language_level,
build_dir=str(tmpdir),
)
# don't actually need the hook, just the finder
pyximport.uninstall(*hook)
finder = hook[1]
# loading the module tests the compilation
spec = finder.find_spec("cython_ext", [HERE])
cython_ext = spec.loader.create_module(spec)
spec.loader.exec_module(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