self.assertFalse(stderr.getvalue())
+ def testDontResetInternalStateOnException(self):
+ class CustomException(ValueError):
+ pass
+
+ # We are raising CustomException here to trigger an exception
+ # during the execution of SimpleHandler.finish_response(), so
+ # we can easily test that the internal state of the handler is
+ # preserved in case of an exception.
+ class AbortingWriter:
+ def write(self, b):
+ raise CustomException
+
+ stderr = StringIO()
+ environ = {"SERVER_PROTOCOL": "HTTP/1.0"}
+ h = SimpleHandler(BytesIO(), AbortingWriter(), stderr, environ)
+ h.run(hello_app)
+
+ self.assertIn("CustomException", stderr.getvalue())
+
+ # Test that the internal state of the handler is preserved.
+ self.assertIsNotNone(h.result)
+ self.assertIsNotNone(h.headers)
+ self.assertIsNotNone(h.status)
+ self.assertIsNotNone(h.environ)
+
if __name__ == "__main__":
unittest.main()
for data in self.result:
self.write(data)
self.finish_content()
- finally:
+ except:
+ # Call close() on the iterable returned by the WSGI application
+ # in case of an exception.
+ if hasattr(self.result, 'close'):
+ self.result.close()
+ raise
+ else:
+ # We only call close() when no exception is raised, because it
+ # will set status, result, headers, and environ fields to None.
+ # See bpo-29183 for more details.
self.close()