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gh-103553: Improve test_inspect: add more assertions, remove unused #103554

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Apr 15, 2023
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gh-103553: Improve test_inspect: add more assertions, remove unused #103554

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24 changes: 9 additions & 15 deletions Lib/test/test_inspect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1820,8 +1820,7 @@ def test_errors(self):
self.assertEqualException(f, '2, 3, 4')
self.assertEqualException(f, '1, 2, 3, a=1')
self.assertEqualException(f, '2, 3, 4, c=5')
# XXX: success of this one depends on dict order
## self.assertEqualException(f, '2, 3, 4, a=1, c=5')
self.assertEqualException(f, '2, 3, 4, a=1, c=5')
# f got an unexpected keyword argument
self.assertEqualException(f, 'c=2')
self.assertEqualException(f, '2, c=3')
Expand All @@ -1832,17 +1831,19 @@ def test_errors(self):
self.assertEqualException(f, '1, a=2')
self.assertEqualException(f, '1, **{"a":2}')
self.assertEqualException(f, '1, 2, b=3')
# XXX: Python inconsistency
# - for functions and bound methods: unexpected keyword 'c'
# - for unbound methods: multiple values for keyword 'a'
#self.assertEqualException(f, '1, c=3, a=2')
self.assertEqualException(f, '1, c=3, a=2')
# issue11256:
f3 = self.makeCallable('**c')
self.assertEqualException(f3, '1, 2')
self.assertEqualException(f3, '1, 2, a=1, b=2')
f4 = self.makeCallable('*, a, b=0')
self.assertEqualException(f3, '1, 2')
self.assertEqualException(f3, '1, 2, a=1, b=2')
self.assertEqualException(f4, '1, 2')
self.assertEqualException(f4, '1, 2, a=1, b=2')
self.assertEqualException(f4, 'a=1, a=3')
self.assertEqualException(f4, 'a=1, c=3')
self.assertEqualException(f4, 'a=1, a=3, b=4')
self.assertEqualException(f4, 'a=1, b=2, a=3, b=4')
self.assertEqualException(f4, 'a=1, a=2, a=3, b=4')

# issue #20816: getcallargs() fails to iterate over non-existent
# kwonlydefaults and raises a wrong TypeError
Expand Down Expand Up @@ -2872,8 +2873,6 @@ def foo(cls, *, arg):
def test_signature_on_partial(self):
from functools import partial

Parameter = inspect.Parameter

def test():
pass

Expand Down Expand Up @@ -2988,8 +2987,6 @@ def test(a, b, c:int) -> 42:
((('c', ..., int, "positional_or_keyword"),),
42))

psig = inspect.signature(partial(partial(test, 1), 2))

def foo(a):
return a
_foo = partial(partial(foo, a=10), a=20)
Expand Down Expand Up @@ -4153,8 +4150,6 @@ def test(a, *args, b, z=100, **kwargs):
self.assertEqual(ba.args, (10, 20))

def test_signature_bind_positional_only(self):
P = inspect.Parameter

def test(a_po, b_po, c_po=3, /, foo=42, *, bar=50, **kwargs):
return a_po, b_po, c_po, foo, bar, kwargs

Expand Down Expand Up @@ -4578,7 +4573,6 @@ def test_qualname_source(self):
self.assertEqual(err, b'')

def test_builtins(self):
module = importlib.import_module('unittest')
_, out, err = assert_python_failure('-m', 'inspect',
'sys')
lines = err.decode().splitlines()
Expand Down