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gh-94924: support inspect.iscoroutinefunction in create_autospec(async_def) #94962

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Merged
merged 6 commits into from
Jun 9, 2023
Merged

gh-94924: support inspect.iscoroutinefunction in create_autospec(async_def) #94962

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1a39312
support inspect.iscoroutinefunction in create_autospec(async_def)
graingert Jul 17, 2022
0596416
test create_autospec with inspect.iscoroutine and inspect.iscoroutine…
graingert Jul 18, 2022
4ab38df
test when create_autospec functions check their signature
graingert Jul 18, 2022
034f947
📜🤖 Added by blurb_it.
blurb-it[bot] Jul 18, 2022
79f6eb7
Merge branch 'main' into mock-create-autospec-async-def
graingert Sep 12, 2022
c521958
Merge branch 'main' into mock-create-autospec-async-def
cjw296 Jun 9, 2023
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support inspect.iscoroutinefunction in create_autospec(async_def)
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@graingert
graingert committed Jul 18, 2022
commit 1a393123fe761a5d799a541736ced30ff4489ee5
32 changes: 30 additions & 2 deletions Lib/unittest/mock.py
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,33 @@ def checksig(*args, **kwargs):
_setup_func(funcopy, mock, sig)
return funcopy

def _set_async_signature(mock, original, instance=False, is_async_mock=False):
# creates an async function with signature (*args, **kwargs) that delegates to a
# mock. It still does signature checking by calling a lambda with the same
# signature as the original.

skipfirst = isinstance(original, type)
result = _get_signature_object(original, instance, skipfirst)
if result is None:
return mock
func, sig = result
def checksig(*args, **kwargs):
sig.bind(*args, **kwargs)
_copy_func_details(func, checksig)

name = original.__name__
if not name.isidentifier():
name = 'funcopy'
context = {'_checksig_': checksig, 'mock': mock}
src = """async def %s(*args, **kwargs):
_checksig_(*args, **kwargs)
return await mock(*args, **kwargs)""" % name
exec (src, context)
funcopy = context[name]
_setup_func(funcopy, mock, sig)
_setup_async_mock(funcopy)
return funcopy


def _setup_func(funcopy, mock, sig):
funcopy.mock = mock
Expand Down Expand Up @@ -2681,9 +2708,10 @@ def create_autospec(spec, spec_set=False, instance=False, _parent=None,
if isinstance(spec, FunctionTypes):
# should only happen at the top level because we don't
# recurse for functions
mock = _set_signature(mock, spec)
if is_async_func:
_setup_async_mock(mock)
mock = _set_async_signature(mock, spec)
else:
mock = _set_signature(mock, spec)
else:
_check_signature(spec, mock, is_type, instance)

Expand Down