From 04091c083340dde7d4eeb6d945c70f3b37d88f85 Mon Sep 17 00:00:00 2001
From: Chris Withers <chris@withers.org>
Date: Mon, 3 Mar 2025 11:44:59 +0000
Subject: `unittest.mock` test and coverage fixup (#130787)

* Mark functions that will never be called with # pragma: no cover

* Fix testpatch.PatchTest.test_exit_idempotent

.stop() and __exit__ have subtly different code paths, so to really test __exit__ idempotency, we need to call it specifically twice.
---
 Lib/test/test_unittest/testmock/testhelpers.py | 2 +-
 Lib/test/test_unittest/testmock/testmock.py    | 2 +-
 Lib/test/test_unittest/testmock/testpatch.py   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_unittest/testmock/testhelpers.py b/Lib/test/test_unittest/testmock/testhelpers.py
index 8d0f3eb..d1e48bd 100644
--- a/Lib/test/test_unittest/testmock/testhelpers.py
+++ b/Lib/test/test_unittest/testmock/testhelpers.py
@@ -1080,7 +1080,7 @@ class SpecSignatureTest(unittest.TestCase):
         class WithMethod:
             a: int
             def b(self) -> int:
-                return 1
+                return 1  # pragma: no cover
 
         for mock in [
             create_autospec(WithMethod, instance=True),
diff --git a/Lib/test/test_unittest/testmock/testmock.py b/Lib/test/test_unittest/testmock/testmock.py
index 5d1bf42..386d53b 100644
--- a/Lib/test/test_unittest/testmock/testmock.py
+++ b/Lib/test/test_unittest/testmock/testmock.py
@@ -316,7 +316,7 @@ class MockTest(unittest.TestCase):
         passed to the wrapped object and the return_value is returned instead.
         """
         def my_func():
-            return None
+            return None  # pragma: no cover
         func_mock = create_autospec(spec=my_func, wraps=my_func)
         return_value = "explicit return value"
         func_mock.return_value = return_value
diff --git a/Lib/test/test_unittest/testmock/testpatch.py b/Lib/test/test_unittest/testmock/testpatch.py
index 7c5fc3d..bd85fdc 100644
--- a/Lib/test/test_unittest/testmock/testpatch.py
+++ b/Lib/test/test_unittest/testmock/testpatch.py
@@ -748,7 +748,7 @@ class PatchTest(unittest.TestCase):
     def test_exit_idempotent(self):
         patcher = patch(foo_name, 'bar', 3)
         with patcher:
-            patcher.stop()
+            patcher.__exit__(None, None, None)
 
 
     def test_second_start_failure(self):
-- 
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