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import os
import platform
import sys
from subprocess import check_output
import caio
import pytest
@pytest.fixture(params=caio.variants)
def implementation(request):
if request.param is caio.linux_aio:
return "linux"
if request.param is caio.thread_aio:
return "thread"
if request.param is caio.python_aio:
return "python"
raise RuntimeError("Unknown variant %r" % (request.param,))
@pytest.mark.skipif(platform.system() == 'Windows', reason="Windows skip")
def test_env_selector(implementation):
output = check_output(
[
sys.executable,
"-c",
"import caio, inspect; print(caio.Context.__doc__)"
],
env={"CAIO_IMPL": implementation}
).decode()
assert implementation in output, output
@pytest.fixture()
def implementation_file(implementation):
path = os.path.dirname(caio.__file__)
fname = os.path.join(path, "default_implementation")
try:
with open(fname, "w") as fp:
fp.write("# NEWER COMMIT THIS FILE")
fp.write("\nwrong string\n")
fp.write(implementation)
fp.write("\n\n")
yield implementation
finally:
os.remove(fname)
def test_file_selector(implementation_file):
output = check_output(
[
sys.executable,
"-c",
"import caio, inspect; print(caio.Context.__doc__)"
],
).decode()
assert implementation_file in output, output
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