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import os
import sys
import pytest
from .. import (
current_async_library, AsyncLibraryNotFoundError,
current_async_library_cvar, thread_local
)
def test_basics_cvar():
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
token = current_async_library_cvar.set("generic-lib")
try:
assert current_async_library() == "generic-lib"
finally:
current_async_library_cvar.reset(token)
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
def test_basics_tlocal():
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
old_name, thread_local.name = thread_local.name, "generic-lib"
try:
assert current_async_library() == "generic-lib"
finally:
thread_local.name = old_name
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
def test_asyncio():
import asyncio
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
ran = []
async def this_is_asyncio():
assert current_async_library() == "asyncio"
# Call it a second time to exercise the caching logic
assert current_async_library() == "asyncio"
ran.append(True)
asyncio.run(this_is_asyncio())
assert ran == [True]
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
@pytest.mark.skipif(
sys.version_info >= (3, 12),
reason=
"curio broken on 3.12 (https://github.com/python-trio/sniffio/pull/42)",
)
def test_curio():
import curio
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
ran = []
async def this_is_curio():
assert current_async_library() == "curio"
# Call it a second time to exercise the caching logic
assert current_async_library() == "curio"
ran.append(True)
curio.run(this_is_curio)
assert ran == [True]
with pytest.raises(AsyncLibraryNotFoundError):
current_async_library()
|
