bpo-35767: Fix unittest.loader to allow partials as test_functions (#11600)

1 files changed, 16 insertions, 0 deletions

diff --git a/Lib/unittest/test/test_loader.py b/Lib/unittest/test/test_loader.py
index bfd722940b..bc54bf0553 100644
--- a/Lib/unittest/test/test_loader.py
+++ b/Lib/unittest/test/test_loader.py
@@ -1,3 +1,4 @@
+import functools
 import sys
 import types
 import warnings
@@ -1575,5 +1576,20 @@ class Test_TestLoader(unittest.TestCase):
         self.assertIs(loader.suiteClass, unittest.TestSuite)
 
 
+    def test_partial_functions(self):
+        def noop(arg):
+            pass
+
+        class Foo(unittest.TestCase):
+            pass
+
+        setattr(Foo, 'test_partial', functools.partial(noop, None))
+
+        loader = unittest.TestLoader()
+
+        test_names = ['test_partial']
+        self.assertEqual(loader.getTestCaseNames(Foo), test_names)
+
+
 if __name__ == "__main__":
     unittest.main()