Issue #22191: Fix warnings.__all__.
Thanks to Jon Poler for the patch.
diff --git a/Lib/test/test_warnings.py b/Lib/test/test_warnings.py
index a770ba2..fb2046e 100644
--- a/Lib/test/test_warnings.py
+++ b/Lib/test/test_warnings.py
@@ -62,6 +62,25 @@
sys.modules['warnings'] = original_warnings
super(BaseTest, self).tearDown()
+class PublicAPITests(BaseTest):
+
+ """Ensures that the correct values are exposed in the
+ public API.
+ """
+
+ def test_module_all_attribute(self):
+ self.assertTrue(hasattr(self.module, '__all__'))
+ target_api = ["warn", "warn_explicit", "showwarning",
+ "formatwarning", "filterwarnings", "simplefilter",
+ "resetwarnings", "catch_warnings"]
+ self.assertSetEqual(set(self.module.__all__),
+ set(target_api))
+
+class CPublicAPITests(PublicAPITests, unittest.TestCase):
+ module = c_warnings
+
+class PyPublicAPITests(PublicAPITests, unittest.TestCase):
+ module = py_warnings
class FilterTests(object):