#1816 - Added the final pieces of the puzzle to get data up from NIC → session manager → software manager → service.

- Implemented a basic sim DB that matches UC2 data manipulation DB in IY.
- Added a test that confirms DB queries can be sent over the network.

tests/integration_tests/system/test_database_on_node.py

@@ -1,52 +1,46 @@
-from primaite.simulator.network.hardware.base import Node
-from primaite.simulator.network.transmission.transport_layer import Port
-from primaite.simulator.system.services.database import DatabaseService
-from primaite.simulator.system.services.service import ServiceOperatingState
-from primaite.simulator.system.software import SoftwareCriticality, SoftwareHealthState
+from ipaddress import IPv4Address
+
+from primaite.simulator.network.hardware.nodes.computer import Computer
+from primaite.simulator.network.networks import arcd_uc2_network
+from primaite.simulator.network.transmission.data_link_layer import Frame, EthernetHeader
+from primaite.simulator.network.transmission.network_layer import IPPacket, Precedence
+from primaite.simulator.network.transmission.transport_layer import TCPHeader, Port
 
 
-def test_installing_database():
-    db = DatabaseService(
-        name="SQL-database",
-        health_state_actual=SoftwareHealthState.GOOD,
-        health_state_visible=SoftwareHealthState.GOOD,
-        criticality=SoftwareCriticality.MEDIUM,
-        port=Port.SQL_SERVER,
-        operating_state=ServiceOperatingState.RUNNING,
+def test_database_query_across_the_network():
+    """Tests DB query across the network returns HTTP status 200 and date."""
+    network = arcd_uc2_network()
+
+    client_1: Computer = network.get_node_by_hostname("client_1")
+
+    client_1.arp.send_arp_request(IPv4Address("192.168.1.14"))
+
+    dst_mac_address = client_1.arp.get_arp_cache_mac_address(IPv4Address("192.168.1.14"))
+
+    outbound_nic = client_1.arp.get_arp_cache_nic(IPv4Address("192.168.1.14"))
+    client_1.ping("192.168.1.14")
+
+
+    frame = Frame(
+        ethernet=EthernetHeader(
+            src_mac_addr=client_1.ethernet_port[1].mac_address,
+            dst_mac_addr=dst_mac_address
+        ),
+        ip=IPPacket(
+            src_ip_address=client_1.ethernet_port[1].ip_address,
+            dst_ip_address=IPv4Address("192.168.1.14"),
+            precedence=Precedence.FLASH
+        ),
+        tcp=TCPHeader(
+            src_port=Port.POSTGRES_SERVER,
+            dst_port=Port.POSTGRES_SERVER
+        ),
+        payload="SELECT * FROM user;"
     )
 
-    node = Node(hostname="db-server")
+    outbound_nic.send_frame(frame)
 
-    node.install_service(db)
+    client_1_last_payload = outbound_nic.pcap.read()[-1]["payload"]
 
-    assert db in node
-
-    file_exists = False
-    for folder in node.file_system.folders.values():
-        for file in folder.files.values():
-            if file.name == "db_primary_store":
-                file_exists = True
-                break
-        if file_exists:
-            break
-    assert file_exists
-
-
-def test_uninstalling_database():
-    db = DatabaseService(
-        name="SQL-database",
-        health_state_actual=SoftwareHealthState.GOOD,
-        health_state_visible=SoftwareHealthState.GOOD,
-        criticality=SoftwareCriticality.MEDIUM,
-        port=Port.SQL_SERVER,
-        operating_state=ServiceOperatingState.RUNNING,
-    )
-
-    node = Node(hostname="db-server")
-
-    node.install_service(db)
-
-    node.uninstall_service(db)
-
-    assert db not in node
-    assert node.file_system.get_folder("database") is None
+    assert client_1_last_payload["status_code"] == 200
+    assert client_1_last_payload["data"]