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gh-103406: Modernize pos-only arguments usage in test_signature (GH-103407)

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(cherry picked from commit 7569781176)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
This commit is contained in:
Miss Islington (bot) 2023-04-14 00:30:38 -07:00 • committed by GitHub
parent 3b929a7b32
commit 2e0ead5f22
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1 changed files with 11 additions and 20 deletions
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31
Lib/test/test_inspect.py
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@ -2882,14 +2882,9 @@ def foo(a=1, b=2, c=3):
self.assertEqual(_foo(*ba.args, **ba.kwargs), (12, 10, 20))
def foo(a, b, c, d, **kwargs):
def foo(a, b, /, c, d, **kwargs):
pass
sig = inspect.signature(foo)
params = sig.parameters.copy()
params['a'] = params['a'].replace(kind=Parameter.POSITIONAL_ONLY)
params['b'] = params['b'].replace(kind=Parameter.POSITIONAL_ONLY)
foo.__signature__ = inspect.Signature(params.values())
sig = inspect.signature(foo)
self.assertEqual(str(sig), '(a, b, /, c, d, **kwargs)')
self.assertEqual(self.signature(partial(foo, 1)),
@ -3394,14 +3389,9 @@ def test_signature_str_positional_only(self):
P = inspect.Parameter
S = inspect.Signature
def test(a_po, *, b, **kwargs):
def test(a_po, /, *, b, **kwargs):
return a_po, kwargs
sig = inspect.signature(test)
new_params = list(sig.parameters.values())
new_params[0] = new_params[0].replace(kind=P.POSITIONAL_ONLY)
test.__signature__ = sig.replace(parameters=new_params)
self.assertEqual(str(inspect.signature(test)),
'(a_po, /, *, b, **kwargs)')
@ -3431,6 +3421,14 @@ def test() -> 42:
self.assertEqual(sig.return_annotation, 42)
self.assertEqual(sig, inspect.signature(test))
def test_signature_replaced(self):
def test():
pass
spam_param = inspect.Parameter('spam', inspect.Parameter.POSITIONAL_ONLY)
sig = test.__signature__ = inspect.Signature(parameters=(spam_param,))
self.assertEqual(sig, inspect.signature(test))
def test_signature_on_mangled_parameters(self):
class Spam:
def foo(self, __p1:1=2, *, __p2:2=3):
@ -3962,16 +3960,9 @@ def test(a, *args, b, z=100, **kwargs):
def test_signature_bind_positional_only(self):
P = inspect.Parameter
def test(a_po, b_po, c_po=3, foo=42, *, bar=50, **kwargs):
def test(a_po, b_po, c_po=3, /, foo=42, *, bar=50, **kwargs):
return a_po, b_po, c_po, foo, bar, kwargs
sig = inspect.signature(test)
new_params = collections.OrderedDict(tuple(sig.parameters.items()))
for name in ('a_po', 'b_po', 'c_po'):
new_params[name] = new_params[name].replace(kind=P.POSITIONAL_ONLY)
new_sig = sig.replace(parameters=new_params.values())
test.__signature__ = new_sig
self.assertEqual(self.call(test, 1, 2, 4, 5, bar=6),
(1, 2, 4, 5, 6, {}))