[CORD-3108] Adding tests for vRouter synchronizer

Change-Id: I894342d90a1b52aa58f0f68ee89b8ee4e5986d8e
diff --git a/.gitignore b/.gitignore
index 485dee6..c10666e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .idea
+*.pyc
diff --git a/xos/nose2-plugins/__init__.py b/xos/nose2-plugins/__init__.py
new file mode 100644
index 0000000..42722a8
--- /dev/null
+++ b/xos/nose2-plugins/__init__.py
@@ -0,0 +1,14 @@
+
+# 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.
diff --git a/xos/nose2-plugins/exclude.py b/xos/nose2-plugins/exclude.py
new file mode 100644
index 0000000..241eadb
--- /dev/null
+++ b/xos/nose2-plugins/exclude.py
@@ -0,0 +1,32 @@
+
+# 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 logging
+import os
+
+from nose2.events import Plugin
+
+log = logging.getLogger('nose2.plugins.excludeignoredfiles')
+
+class ExcludeIgnoredFiles(Plugin):
+    commandLineSwitch = (None, 'exclude-ignored-files', 'Exclude that which should be excluded')
+
+    def matchPath(self, event):
+        if event.path.endswith(".py"):
+            text = open(event.path, "r").read()
+            if "test_framework: ignore" in text.lower():
+                log.info("Ignoring %s" % event.path)
+                event.handled = True
+                return False
diff --git a/xos/synchronizer/steps/sync_routes.py b/xos/synchronizer/steps/sync_routes.py
index 5086933..96bbac4 100644
--- a/xos/synchronizer/steps/sync_routes.py
+++ b/xos/synchronizer/steps/sync_routes.py
@@ -16,7 +16,7 @@
 import requests
 from requests.auth import HTTPBasicAuth
 from synchronizers.new_base.syncstep import SyncStep, DeferredException
-from synchronizers.new_base.modelaccessor import VRouterStaticRoute
+from synchronizers.new_base.modelaccessor import VRouterStaticRoute, model_accessor
 
 from helpers import Helpers
 from multistructlog import create_logger
diff --git a/xos/synchronizer/steps/test_sync_routes.py b/xos/synchronizer/steps/test_sync_routes.py
new file mode 100644
index 0000000..baa1ba9
--- /dev/null
+++ b/xos/synchronizer/steps/test_sync_routes.py
@@ -0,0 +1,151 @@
+# 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 TestSyncRoutes(unittest.TestCase):
+
+    def setUp(self):
+
+        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("vrouter", "vrouter.xproto")])
+        import synchronizers.new_base.modelaccessor
+
+        from sync_routes import SyncRoutes, model_accessor
+
+        # import all class names to globals
+        for (k, v) in model_accessor.all_model_classes.items():
+            globals()[k] = v
+
+
+        self.sync_step = SyncRoutes
+        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]
+
+        self.vrouter = Mock()
+        self.vrouter.name = "vrouter"
+        self.vrouter.subscriber_services = [self.fabric]
+
+        # create a mock VRouterStaticRoute instance
+        self.o = Mock()
+        self.o.id = 1
+        self.o.vrouter.owner = self.vrouter
+        self.o.tologdict.return_value = {}
+
+
+
+
+    def tearDown(self):
+        self.o = None
+        sys.path = self.sys_path_save
+
+    @requests_mock.Mocker()
+    def test_sync_route(self, m):
+
+        self.o.next_hop = "192.168.0.254"
+        self.o.prefix = "0.0.0.0/0"
+
+        expected_conf = {
+          "prefix": self.o.prefix,
+          "nextHop": self.o.next_hop
+        }
+
+        m.post("http://onos-fabric:8181/onos/routeservice/routes",
+               status_code=204,
+               additional_matcher=functools.partial(match_json, expected_conf))
+
+        self.sync_step().sync_record(self.o)
+
+        self.assertTrue(m.called)
+
+    @requests_mock.Mocker()
+    def test_delete_route(self, m):
+
+        self.o.next_hop = "192.168.0.254"
+        self.o.prefix = "0.0.0.0/0"
+
+        expected_conf = {
+            "prefix": self.o.prefix,
+            "nextHop": self.o.next_hop
+        }
+
+        m.delete("http://onos-fabric:8181/onos/routeservice/routes",
+            status_code=204,
+            additional_matcher=functools.partial(match_json, expected_conf))
+
+        self.sync_step().delete_record(self.o)
+
+        self.assertTrue(m.called)
\ No newline at end of file
diff --git a/xos/synchronizer/test_config.yaml b/xos/synchronizer/test_config.yaml
new file mode 100644
index 0000000..077c8f3
--- /dev/null
+++ b/xos/synchronizer/test_config.yaml
@@ -0,0 +1,29 @@
+
+# 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.
+
+name: vrouter
+accessor:
+  username: xosadmin@opencord.org
+  password: "sample"
+  kind: "testframework"
+logging:
+  version: 1
+  handlers:
+    console:
+      class: logging.StreamHandler
+  loggers:
+    'multistructlog':
+      handlers:
+          - console
diff --git a/xos/unittest.cfg b/xos/unittest.cfg
new file mode 100644
index 0000000..48ea867
--- /dev/null
+++ b/xos/unittest.cfg
@@ -0,0 +1,4 @@
+[unittest]
+plugins=nose2-plugins.exclude
+code-directories=synchronizer
+                 steps