8000 bpo-45011: Fix test_asyncio without C module _asyncio by serhiy-storchaka · Pull Request #27968 · python/cpython · GitHub
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bpo-45011: Fix test_asyncio without C module _asyncio #27968

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Merged
merged 3 commits into from
Aug 26, 2021
Merged

bpo-45011: Fix test_asyncio without C module _asyncio #27968

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f1bc66b
bpo-45011: Fix test_asyncio without C module _asyncio
serhiy-storchaka Aug 26, 2021
d34a064
Add more gc_collect().
serhiy-storchaka Aug 26, 2021
1f713f5
add Blurb
ambv Aug 26, 2021
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5 changes: 0 additions & 5 deletions Lib/test/test_asyncio/functional.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,10 +29,6 @@ def setUp(self):
self.loop.set_exception_handler(self.loop_exception_handler)
self.__unhandled_exceptions = []

# Disable `_get_running_loop`.
self._old_get_running_loop = asyncio.events._get_running_loop
asyncio.events._get_running_loop = lambda: None

def tearDown(self):
try:
self.loop.close()
Expand All @@ -43,7 +39,6 @@ def tearDown(self):
self.fail('unexpected calls to loop.call_exception_handler()')

finally:
asyncio.events._get_running_loop = self._old_get_running_loop
asyncio.set_event_loop(None)
self.loop = None

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2 changes: 2 additions & 0 deletions Lib/test/test_asyncio/test_futures.py
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Expand Up @@ -918,6 +918,8 @@ def _get_future_cls(self):
return futures._PyFuture


@unittest.skipUnless(hasattr(futures, '_CFuture'),
'requires the C _asyncio module')
class CFutureInheritanceTests(BaseFutureInheritanceTests,
test_utils.TestCase):
def _get_future_cls(self):
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3 changes: 3 additions & 0 deletions Lib/test/test_asyncio/test_sslproto.py
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Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,7 @@ async def client(addr):

# No garbage is left if SSL is closed uncleanly
client_context = weakref.ref(client_context)
support.gc_collect()
self.assertIsNone(client_context())

def test_create_connection_memory_leak(self):
Expand Down Expand Up @@ -341,6 +342,7 @@ async def client(addr):
# No garbage is left for SSL client from loop.create_connection, even
# if user stores the SSLTransport in corresponding protocol instance
client_context = weakref.ref(client_context)
support.gc_collect()
self.assertIsNone(client_context())

def test_start_tls_client_buf_proto_1(self):
Expand Down Expand Up @@ -640,6 +642,7 @@ async def client(addr):
# The 10s handshake timeout should be cancelled to free related
# objects without really waiting for 10s
client_sslctx = weakref.ref(client_sslctx)
support.gc_collect()
self.assertIsNone(client_sslctx())

def test_create_connection_ssl_slow_handshake(self):
Expand Down
7 changes: 5 additions & 2 deletions Lib/test/test_asyncio/test_tasks.py
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Expand Up @@ -2875,15 +2875,18 @@ class GenericTaskTests(test_utils.TestCase):
def test_future_subclass(self):
self.assertTrue(issubclass(asyncio.Task, asyncio.Future))

@support.cpython_only
def test_asyncio_module_compiled(self):
# Because of circular imports it's easy to make _asyncio
# module non-importable. This is a simple test that will
# fail on systems where C modules were successfully compiled
# (hence the test for _functools), but _asyncio somehow didn't.
# (hence the test for _functools etc), but _asyncio somehow didn't.
try:
import _functools
import _json
import _pickle
except ImportError:
pass
self.skipTest('C modules are not available')
else:
try:
import _asyncio
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Tests/2021-08-26-14-20-44.bpo-45011.mQZdXU.rst
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@@ -0,0 +1,3 @@
Made tests relying on the :mod:`_asyncio` C extension module optional to
allow running on alternative Python implementations. Patch by Serhiy
Storchaka.
0