[VOL-1787] :
This commit sets up a unit-test framework for openolt
agent based on gtest, gmock and c-mock utilities.
A sample unit-test case to test EnableOlt success case is also
added. More test cases will be added in future commit.

Change-Id: If020be489a04d97df5fcbc15e9207deeee2fcfac
diff --git a/agent/test/inc/bal_mocker.h b/agent/test/inc/bal_mocker.h
new file mode 100644
index 0000000..99be959
--- /dev/null
+++ b/agent/test/inc/bal_mocker.h
@@ -0,0 +1,34 @@
+/*
+    Copyright (C) 2018 Open Networking Foundation
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __BAL_MOCKER_H__
+#define __BAL_MOCKER_H__
+#include <cmock/cmock.h>
+#include <cstdlib>
+#include "bcmos_errno.h"
+#include "bcmolt_host_api.h"
+#include "bcmolt_system_types_typedefs.h"
+#include "bcmolt_msg.h"
+
+class BalMocker : public CMockMocker<BalMocker>
+{
+public:
+    MOCK_METHOD1(bcmolt_host_init, bcmos_errno(bcmolt_host_init_parms*));
+    MOCK_METHOD2(bcmolt_cfg_get, bcmos_errno(bcmolt_oltid, bcmolt_cfg*));
+    MOCK_METHOD2(bcmolt_oper_submit, bcmos_errno(bcmolt_oltid, bcmolt_oper*));
+};
+#endif