[CORD-2886] Sending device config to VOLTHA ONOS

Change-Id: Iec466bd5cf1528b2ca80064819de36a24b883e10
diff --git a/xos/synchronizer/steps/test_sync_volt_service_instance.py b/xos/synchronizer/steps/test_sync_volt_service_instance.py
new file mode 100644
index 0000000..dfab503
--- /dev/null
+++ b/xos/synchronizer/steps/test_sync_volt_service_instance.py
@@ -0,0 +1,158 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+from mock import patch, call, Mock, PropertyMock
+import requests_mock
+
+import os, sys
+
+# Hack to load synchronizer framework
+test_path=os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
+xos_dir=os.path.join(test_path, "../../..")
+if not os.path.exists(os.path.join(test_path, "new_base")):
+    xos_dir=os.path.join(test_path, "../../../../../../orchestration/xos/xos")
+    services_dir = os.path.join(xos_dir, "../../xos_services")
+sys.path.append(xos_dir)
+sys.path.append(os.path.join(xos_dir, 'synchronizers', 'new_base'))
+# END Hack to load synchronizer framework
+
+# generate model from xproto
+def get_models_fn(service_name, xproto_name):
+    name = os.path.join(service_name, "xos", xproto_name)
+    if os.path.exists(os.path.join(services_dir, name)):
+        return name
+    else:
+        name = os.path.join(service_name, "xos", "synchronizer", "models", xproto_name)
+        if os.path.exists(os.path.join(services_dir, name)):
+            return name
+    raise Exception("Unable to find service=%s xproto=%s" % (service_name, xproto_name))
+# END generate model from xproto
+
+def mock_get_westbound_service_instance_properties(prop):
+    return prop
+
+class TestSyncOLTDevice(unittest.TestCase):
+
+    def setUp(self):
+        global DeferredException
+
+        self.sys_path_save = sys.path
+        sys.path.append(xos_dir)
+        sys.path.append(os.path.join(xos_dir, 'synchronizers', 'new_base'))
+
+        # Setting up the config module
+        from xosconfig import Config
+        config = os.path.join(test_path, "../model_policies/test_config.yaml")
+        Config.clear()
+        Config.init(config, "synchronizer-config-schema.yaml")
+        # END Setting up the config module
+
+        from synchronizers.new_base.syncstep import DeferredException
+        from synchronizers.new_base.mock_modelaccessor_build import build_mock_modelaccessor
+        build_mock_modelaccessor(xos_dir, services_dir, [get_models_fn("olt-service", "volt.xproto")])
+        import synchronizers.new_base.modelaccessor
+        from sync_volt_service_instance import SyncVOLTServiceInstance, model_accessor
+
+        # import all class names to globals
+        for (k, v) in model_accessor.all_model_classes.items():
+            globals()[k] = v
+
+        self.sync_step = SyncVOLTServiceInstance
+
+        # create a mock service instance
+        o = Mock()
+        o.id = 1
+        o.owner_id = "volt_service"
+        o.tologdict.return_value = {}
+
+        volt_service = Mock()
+        volt_service.p_onos_url = "p_onos_url"
+        volt_service.p_onos_user = "p_onos_user"
+        volt_service.p_onos_pass = "p_onos_pass"
+
+        si = Mock()
+        si.get_westbound_service_instance_properties = mock_get_westbound_service_instance_properties
+
+        olt_device = Mock()
+        olt_device.name = "Test OLT Device"
+
+        self.o = o
+        self.si = si
+        self.olt_device = olt_device
+        self.volt_service = volt_service
+
+    def tearDown(self):
+        self.o = None
+        sys.path = self.sys_path_save
+
+
+
+    @requests_mock.Mocker()
+    def test_do_not_sync(self, m):
+
+        self.olt_device.dp_id = None
+
+        with patch.object(ServiceInstance.objects, "get") as service_instance_mock, \
+                patch.object(OLTDevice.objects, "get") as olt_device_mock, \
+                patch.object(VOLTService.objects, "get") as olt_service_mock:
+            service_instance_mock.return_value = self.si
+            olt_device_mock.return_value = self.olt_device
+            olt_service_mock.return_value = self.volt_service
+
+            with self.assertRaises(DeferredException) as e:
+                self.sync_step().sync_record(self.o)
+
+            self.assertFalse(m.called)
+            self.assertEqual(e.exception.message, "Waiting for OLTDevice Test OLT Device to be synchronized")
+
+    @requests_mock.Mocker()
+    def test_do_sync(self, m):
+
+        m.post("http://p_onos_url/onos/olt/oltapp/of:dp_id/uni_port_id/c_tag", status_code=200, json={})
+
+        self.olt_device.dp_id = "of:dp_id"
+
+        with patch.object(ServiceInstance.objects, "get") as service_instance_mock, \
+                patch.object(OLTDevice.objects, "get") as olt_device_mock, \
+                patch.object(VOLTService.objects, "get") as olt_service_mock:
+            service_instance_mock.return_value = self.si
+            olt_device_mock.return_value = self.olt_device
+            olt_service_mock.return_value = self.volt_service
+
+            self.sync_step().sync_record(self.o)
+            self.assertTrue(m.called)
+
+    @requests_mock.Mocker()
+    def test_do_sync_fail(self, m):
+        m.post("http://p_onos_url/onos/olt/oltapp/of:dp_id/uni_port_id/c_tag", status_code=500, text="Mock Error")
+
+        self.olt_device.dp_id = "of:dp_id"
+
+        with patch.object(ServiceInstance.objects, "get") as service_instance_mock, \
+                patch.object(OLTDevice.objects, "get") as olt_device_mock, \
+                patch.object(VOLTService.objects, "get") as olt_service_mock:
+            service_instance_mock.return_value = self.si
+            olt_device_mock.return_value = self.olt_device
+            olt_service_mock.return_value = self.volt_service
+
+            with self.assertRaises(Exception) as e:
+                self.sync_step().sync_record(self.o)
+
+            self.assertTrue(m.called)
+            self.assertEqual(e.exception.message, "Failed to add subscriber in P_ONOS: Mock Error")
+
+
+if __name__ == "__main__":
+    unittest.main()
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