gh-48330: assert warning is emitted on unittest.TestResult with no ad…

…dDuration (#103309)
python · Apr 6, 2023 · 52bc2e7 · 52bc2e7
1 parent 482b6ee
commit 52bc2e7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Lib/test/test_unittest/test_case.py b/Lib/test/test_unittest/test_case.py
@@ -304,7 +304,8 @@ def defaultTestResult(self):
             def test(self):
                 pass
 
-        Foo('test').run()
+        with self.assertWarns(RuntimeWarning):
+            Foo('test').run()
 
     def test_deprecation_of_return_val_from_test(self):
         # Issue 41322 - deprecate return of value that is not None from a test