Add test for double patching instance methods (#11085)
diff --git a/Lib/unittest/test/testmock/testwith.py b/Lib/unittest/test/testmock/testwith.py
index 43b36a1..ec4e540 100644
--- a/Lib/unittest/test/testmock/testwith.py
+++ b/Lib/unittest/test/testmock/testwith.py
@@ -126,6 +126,20 @@
self.assertEqual(foo, {})
+ def test_double_patch_instance_method(self):
+ class C:
+ def f(self):
+ pass
+
+ c = C()
+
+ with patch.object(c, 'f', autospec=True) as patch1:
+ with patch.object(c, 'f', autospec=True) as patch2:
+ c.f()
+ self.assertEqual(patch2.call_count, 1)
+ self.assertEqual(patch1.call_count, 0)
+ c.f()
+ self.assertEqual(patch1.call_count, 1)
class TestMockOpen(unittest.TestCase):
diff --git a/Misc/NEWS.d/next/Tests/2018-12-10-13-18-37.bpo-26704.DBAN4c.rst b/Misc/NEWS.d/next/Tests/2018-12-10-13-18-37.bpo-26704.DBAN4c.rst
new file mode 100644
index 0000000..458f495
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2018-12-10-13-18-37.bpo-26704.DBAN4c.rst
@@ -0,0 +1,2 @@
+Added test demonstrating double-patching of an instance method. Patch by
+Anthony Sottile.