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gh-103186: Suppress RuntimeWarning about unclosed async iterator in test_sys_settrace #109075

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Merged
merged 1 commit into from
Sep 7, 2023
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gh-103186: Suppress RuntimeWarning about unclosed async iterator in test_sys_settrace #109075

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32 changes: 28 additions & 4 deletions Lib/test/test_sys_settrace.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,20 @@ async def asynciter(iterable):
for x in iterable:
yield x

def clean_asynciter(test):
@wraps(test)
async def wrapper(*args, **kwargs):
cleanups = []
def wrapped_asynciter(iterable):
it = asynciter(iterable)
cleanups.append(it.aclose)
return it
try:
return await test(*args, **kwargs, asynciter=wrapped_asynciter)
finally:
while cleanups:
await cleanups.pop()()
return wrapper

# A very basic example. If this fails, we're in deep trouble.
def basic():
Expand Down Expand Up @@ -1937,7 +1951,11 @@ def compare_jump_output(self, expected, received):

def run_test(self, func, jumpFrom, jumpTo, expected, error=None,
event='line', decorated=False, warning=None):
tracer = JumpTracer(func, jumpFrom, jumpTo, event, decorated)
wrapped = func
while hasattr(wrapped, '__wrapped__'):
wrapped = wrapped.__wrapped__

tracer = JumpTracer(wrapped, jumpFrom, jumpTo, event, decorated)
sys.settrace(tracer.trace)
output = []

Expand All @@ -1953,7 +1971,11 @@ def run_test(self, func, jumpFrom, jumpTo, expected, error=None,

def run_async_test(self, func, jumpFrom, jumpTo, expected, error=None,
event='line', decorated=False, warning=None):
tracer = JumpTracer(func, jumpFrom, jumpTo, event, decorated)
wrapped = func
while hasattr(wrapped, '__wrapped__'):
wrapped = wrapped.__wrapped__

tracer = JumpTracer(wrapped, jumpFrom, jumpTo, event, decorated)
sys.settrace(tracer.trace)
output = []

Expand Down Expand Up @@ -2024,15 +2046,17 @@ def test_jump_out_of_block_backwards(output):
output.append(7)

@async_jump_test(4, 5, [3, 5])
async def test_jump_out_of_async_for_block_forwards(output):
@clean_asynciter
async def test_jump_out_of_async_for_block_forwards(output, asynciter):
for i in [1]:
async for i in asynciter([1, 2]):
output.append(3)
output.append(4)
output.append(5)

@async_jump_test(5, 2, [2, 4, 2, 4, 5, 6])
async def test_jump_out_of_async_for_block_backwards(output):
@clean_asynciter
async def test_jump_out_of_async_for_block_backwards(output, asynciter):
for i in [1]:
output.append(2)
async for i in asynciter([1]):
Expand Down