Remove function replacement with mock patch
In the hyperv unit tests, an rpc method is
manually replaced with a MagicMock using setattr.
This prevents it from being cleaned up by mock.patch.stopall.
This patch replaces it with a short-lived patch call
in a with statement.
Change-Id: I7b10a8115c474977e3acd16dc49d6f3ae67b0c3b
Partial-Bug: #1316401
(cherry picked from commit 2df56ffe93
)
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@ -42,14 +42,11 @@ class rpcHyperVApiTestCase(base.BaseTestCase):
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if rpc_method == 'cast' and method == 'run_instance':
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kwargs['call'] = False
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rpc_method_mock = mock.Mock()
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rpc_method_mock.return_value = expected_retval
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setattr(rpc, rpc_method, rpc_method_mock)
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retval = getattr(rpcapi, method)(ctxt, **kwargs)
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with mock.patch.object(rpc, rpc_method) as rpc_method_mock:
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rpc_method_mock.return_value = expected_retval
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retval = getattr(rpcapi, method)(ctxt, **kwargs)
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self.assertEqual(retval, expected_retval)
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expected_args = [ctxt, topic, expected_msg]
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for arg, expected_arg in zip(rpc_method_mock.call_args[0],
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expected_args):
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