bpo-17185: Add __signature__ to mock that can be used by inspect for signature (GH11125)
* Fix partial and partial method signatures in mock
* Add more calls
* Add NEWS entry
* Use assertEquals and fix markup in NEWS
* Refactor branching and add markup reference for functools
* Revert partial object related changes and fix pr comments
(cherry picked from commit f7fa62ef4422c9deee050a794fd8504640d9f8f4)
Co-authored-by: Xtreak <tirkarthi@users.noreply.github.com>
diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
index f641e38..5907e5c 100644
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -102,6 +102,7 @@
sig.bind(*args, **kwargs)
_copy_func_details(func, checksig)
type(mock)._mock_check_sig = checksig
+ type(mock).__signature__ = sig
def _copy_func_details(func, funcopy):
@@ -171,11 +172,11 @@
return mock(*args, **kwargs)""" % name
exec (src, context)
funcopy = context[name]
- _setup_func(funcopy, mock)
+ _setup_func(funcopy, mock, sig)
return funcopy
-def _setup_func(funcopy, mock):
+def _setup_func(funcopy, mock, sig):
funcopy.mock = mock
# can't use isinstance with mocks
@@ -223,6 +224,7 @@
funcopy.assert_called = assert_called
funcopy.assert_not_called = assert_not_called
funcopy.assert_called_once = assert_called_once
+ funcopy.__signature__ = sig
mock._mock_delegate = funcopy
diff --git a/Lib/unittest/test/testmock/testhelpers.py b/Lib/unittest/test/testmock/testhelpers.py
index 9388311..745580e 100644
--- a/Lib/unittest/test/testmock/testhelpers.py
+++ b/Lib/unittest/test/testmock/testhelpers.py
@@ -1,3 +1,4 @@
+import inspect
import time
import types
import unittest
@@ -901,6 +902,35 @@
self.assertFalse(hasattr(autospec, '__name__'))
+ def test_spec_inspect_signature(self):
+
+ def myfunc(x, y):
+ pass
+
+ mock = create_autospec(myfunc)
+ mock(1, 2)
+ mock(x=1, y=2)
+
+ self.assertEqual(inspect.getfullargspec(mock), inspect.getfullargspec(myfunc))
+ self.assertEqual(mock.mock_calls, [call(1, 2), call(x=1, y=2)])
+ self.assertRaises(TypeError, mock, 1)
+
+
+ def test_spec_inspect_signature_annotations(self):
+
+ def foo(a: int, b: int=10, *, c:int) -> int:
+ return a + b + c
+
+ mock = create_autospec(foo)
+ mock(1, 2, c=3)
+ mock(1, c=3)
+
+ self.assertEqual(inspect.getfullargspec(mock), inspect.getfullargspec(foo))
+ self.assertEqual(mock.mock_calls, [call(1, 2, c=3), call(1, c=3)])
+ self.assertRaises(TypeError, mock, 1)
+ self.assertRaises(TypeError, mock, 1, 2, 3, c=4)
+
+
class TestCallList(unittest.TestCase):
def test_args_list_contains_call_list(self):