#1814: Remove hardcoded values + added test + remove unnecessary private parent attribute

tests/unit_tests/_primaite/_simulator/_system/_services/_red_services/test_data_manipulator_service.py

@@ -0,0 +1,32 @@
+from ipaddress import IPv4Address
+
+from primaite.simulator.network.hardware.base import Node
+from primaite.simulator.network.networks import arcd_uc2_network
+from primaite.simulator.network.transmission.network_layer import IPProtocol
+from primaite.simulator.network.transmission.transport_layer import Port
+from primaite.simulator.system.services.red_services.data_manipulator_service import DataManipulatorService
+
+
+def test_creation():
+    network = arcd_uc2_network()
+
+    client_1: Node = network.get_node_by_hostname("client_1")
+
+    client_1.software_manager.add_service(service_class=DataManipulatorService)
+
+    data_manipulator_service: DataManipulatorService = client_1.software_manager.services["DataManipulatorBot"]
+
+    assert data_manipulator_service.name == "DataManipulatorBot"
+    assert data_manipulator_service.port == Port.POSTGRES_SERVER
+    assert data_manipulator_service.protocol == IPProtocol.TCP
+
+    # should have no session yet
+    assert len(client_1.session_manager.sessions_by_uuid) == 0
+
+    try:
+        data_manipulator_service.start(target_ip_address=IPv4Address("192.168.1.14"))
+    except Exception as e:
+        assert False, f"Test was not supposed to throw exception: {e}"
+
+    # there should be a session after the service is started
+    assert len(client_1.session_manager.sessions_by_uuid) == 1