Merge branch 'dev' into feature/1714-file-system-file-system-folder-and-file-system-file-class-skeletons

tests/unit_tests/_primaite/_simulator/_network/test_physical_layer.py

@@ -0,0 +1,71 @@
+import re
+from ipaddress import IPv4Address
+
+import pytest
+
+from primaite.simulator.network.physical_layer import generate_mac_address, NIC
+
+
+def test_mac_address_generation():
+    """Tests random mac address generation."""
+    mac_address = generate_mac_address()
+    assert re.match("[0-9a-f]{2}([-:]?)[0-9a-f]{2}(\\1[0-9a-f]{2}){4}$", mac_address)
+
+
+def test_mac_address_with_oui():
+    """Tests random mac address generation with oui."""
+    oui = "aa:bb:cc"
+    mac_address = generate_mac_address(oui=oui)
+    assert re.match("[0-9a-f]{2}([-:]?)[0-9a-f]{2}(\\1[0-9a-f]{2}){4}$", mac_address)
+    assert mac_address[:8] == oui
+
+
+def test_invalid_oui_mac_address():
+    """Tests random mac address generation fails with invalid oui."""
+    invalid_oui = "aa-bb-cc"
+    with pytest.raises(ValueError):
+        generate_mac_address(oui=invalid_oui)
+
+
+def test_nic_ip_address_type_conversion():
+    """Tests NIC IP and gateway address is converted to IPv4Address is originally a string."""
+    nic = NIC(
+        ip_address="192.168.1.2",
+        subnet_mask="255.255.255.0",
+        gateway="192.168.0.1",
+    )
+    assert isinstance(nic.ip_address, IPv4Address)
+    assert isinstance(nic.gateway, IPv4Address)
+
+
+def test_nic_deserialize():
+    """Tests NIC serialization and deserialization."""
+    nic = NIC(
+        ip_address="192.168.1.2",
+        subnet_mask="255.255.255.0",
+        gateway="192.168.0.1",
+    )
+
+    nic_json = nic.model_dump_json()
+    deserialized_nic = NIC.model_validate_json(nic_json)
+    assert nic == deserialized_nic
+
+
+def test_nic_ip_address_as_gateway_fails():
+    """Tests NIC creation fails if ip address is the same as the gateway."""
+    with pytest.raises(ValueError):
+        NIC(
+            ip_address="192.168.0.1",
+            subnet_mask="255.255.255.0",
+            gateway="192.168.0.1",
+        )
+
+
+def test_nic_ip_address_as_network_address_fails():
+    """Tests NIC creation fails if ip address and subnet mask are a network address."""
+    with pytest.raises(ValueError):
+        NIC(
+            ip_address="192.168.0.0",
+            subnet_mask="255.255.255.0",
+            gateway="192.168.0.1",
+        )