[CORD-3107] Adding delete steps and tests

Change-Id: I7705bca22a6b6ed1e9328139cb96739ffb7d0c5a
diff --git a/xos/synchronizer/steps/test_sync_fabric_switch.py b/xos/synchronizer/steps/test_sync_fabric_switch.py
new file mode 100644
index 0000000..c3345e7
--- /dev/null
+++ b/xos/synchronizer/steps/test_sync_fabric_switch.py
@@ -0,0 +1,161 @@
+# 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
+
+import functools
+from mock import patch, call, Mock, PropertyMock
+import requests_mock
+import multistructlog
+from multistructlog import create_logger
+
+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 match_json(desired, req):
+    if desired!=req.json():
+        raise Exception("Got request %s, but body is not matching" % req.url)
+        return False
+    return True
+
+class TestSyncFabricSwitch(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, "../test_config.yaml")
+        Config.clear()
+        Config.init(config, "synchronizer-config-schema.yaml")
+        # END Setting up the config module
+
+        from synchronizers.new_base.mock_modelaccessor_build import build_mock_modelaccessor
+        build_mock_modelaccessor(xos_dir, services_dir, [get_models_fn("fabric", "fabric.xproto")])
+        import synchronizers.new_base.modelaccessor
+
+        from sync_fabric_switch import SyncFabricSwitch, model_accessor
+
+        # import all class names to globals
+        for (k, v) in model_accessor.all_model_classes.items():
+            globals()[k] = v
+
+
+        self.sync_step = SyncFabricSwitch
+        self.sync_step.log = Mock()
+
+
+        # mock onos-fabric
+        onos_fabric = Mock()
+        onos_fabric.name = "onos-fabric"
+        onos_fabric.rest_hostname = "onos-fabric"
+        onos_fabric.rest_port = "8181"
+        onos_fabric.rest_username = "onos"
+        onos_fabric.rest_password = "rocks"
+
+        onos_fabric_base = Mock()
+        onos_fabric_base.leaf_model = onos_fabric
+
+        self.fabric = Mock()
+        self.fabric.name = "fabric"
+        self.fabric.subscriber_services = [onos_fabric_base]
+
+        # create a mock Switch instance
+        self.o = Mock()
+        self.o.name = "MockSwitch"
+        self.o.ofId = "of:1234"
+
+    def tearDown(self):
+        self.o = None
+        sys.path = self.sys_path_save
+
+    @requests_mock.Mocker()
+    def test_sync_switch(self, m):
+
+        self.o.ofId = "of:1234"
+        self.o.portId = "1"
+        self.o.driver = "ofdpa3"
+        self.o.ipv4NodeSid = "17"
+        self.o.ipv4Loopback = "192.168.0.201"
+        self.o.routerMac = "00:00:02:01:06:01"
+        self.o.isEdgeRouter = False
+
+        expected_conf = {
+            "devices": {
+                self.o.ofId: {
+                    "basic": {
+                    "name": self.o.name,
+                    "driver": self.o.driver
+                },
+                "segmentrouting" : {
+                    "name" : self.o.name,
+                    "ipv4NodeSid" : self.o.ipv4NodeSid,
+                    "ipv4Loopback" : self.o.ipv4Loopback,
+                    "routerMac" : self.o.routerMac,
+                    "isEdgeRouter" : self.o.isEdgeRouter,
+                    "adjacencySids" : []
+              }
+                }
+            }
+        }
+
+        m.post("http://onos-fabric:8181/onos/v1/network/configuration/",
+               status_code=200,
+               additional_matcher=functools.partial(match_json, expected_conf))
+
+        with patch.object(Service.objects, "get") as onos_fabric_get:
+            onos_fabric_get.return_value = self.fabric
+
+            self.sync_step().sync_record(self.o)
+
+            self.assertTrue(m.called)
+
+    @requests_mock.Mocker()
+    def test_delete_switch(self, m):
+        m.delete("http://onos-fabric:8181/onos/v1/network/configuration/devices/of:1234",
+            status_code=204)
+
+        self.o.ofId = "of:1234"
+
+        with patch.object(Service.objects, "get") as onos_fabric_get:
+            onos_fabric_get.return_value = self.fabric
+
+            self.sync_step().delete_record(self.o)
+
+            self.assertTrue(m.called)
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