python
diff --git a/‎Lib/unittest/test/testmock/testhelpers.py
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+22-1Lines changed: 22 additions & 1 deletion b/‎Lib/unittest/test/testmock/testhelpers.py
Copy file name to clipboardExpand all lines: Lib/unittest/test/testmock/testhelpers.py
+22-1Lines changed: 22 additions & 1 deletion
diff --git a/‎Misc/NEWS.d/next/Tests/2023-04-08-00-50-23.gh-issue-103329.M38tqF.rst
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+1Lines changed: 1 addition & 0 deletions b/‎Misc/NEWS.d/next/Tests/2023-04-08-00-50-23.gh-issue-103329.M38tqF.rst
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+1Lines changed: 1 addition & 0 deletions
@@ -1077,7 +1077,7 @@ def test_propertymock(self):
             p.stop()
 
 
-    def test_propertymock_returnvalue(self):
+    def test_propertymock_bare(self):
         m = MagicMock()
         p = PropertyMock()
         type(m).foo = p
@@ -1088,6 +1088,27 @@ def test_propertymock_returnvalue(self):
         self.assertNotIsInstance(returned, PropertyMock)
 
 
+    def test_propertymock_returnvalue(self):
+        m = MagicMock()
+        p = PropertyMock(return_value=42)
+        type(m).foo = p
+
+        returned = m.foo
+        p.assert_called_once_with()
+        self.assertEqual(returned, 42)
+        self.assertNotIsInstance(returned, PropertyMock)
+
+
+    def test_propertymock_side_effect(self):
+        m = MagicMock()
+        p = PropertyMock(side_effect=ValueError)
+        type(m).foo = p
+
+        with self.assertRaises(ValueError):
+            m.foo
+        p.assert_called_once_with()
+
+
 class TestCallablePredicate(unittest.TestCase):
 
     def test_type(self):
 
@@ -0,0 +1 @@
+Regression tests for the behaviour of ``unittest.mock.PropertyMock`` were added.
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Regression tests for the behaviour of ``unittest.mock.PropertyMock`` were added.