beginning to add some tests to help verify handling different tlv messages, added delete link logic for net to node and node to net

daemon/tests/conftest.py

@@ -40,6 +40,14 @@ class CoreServerTest(object):
         self.session = None
         self.request_handler = None
 
+    def setup_handler(self):
+        self.session = self.server.coreemu.create_session(1)
+        request_mock = MagicMock()
+        request_mock.fileno = MagicMock(return_value=1)
+        self.request_handler = CoreHandler(request_mock, "", self.server)
+        self.request_handler.session = self.session
+        self.request_handler.add_session_handlers()
+
     def setup(self, distributed_address):
         # validate address
         assert distributed_address, "distributed server address was not provided"
@@ -154,6 +162,20 @@ def cored():
     ServiceManager.services.clear()
 
 
+@pytest.fixture()
+def coreserver():
+    # create and return server
+    server = CoreServerTest()
+    server.setup_handler()
+    yield server
+
+    # cleanup
+    server.shutdown()
+
+    # cleanup services
+    ServiceManager.services.clear()
+
+
 def ping(from_node, to_node, ip_prefixes, count=3):
     address = ip_prefixes.ip4_address(to_node)
     return from_node.cmd(["ping", "-c", str(count), address])