Test Protocol V2 player state validation

server/tests/test_player_state.py

@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+from player_state import normalize_player_state_packet
+from server_core import _normalize_action_events
+
+
+def valid_packet() -> dict:
+    return {
+        "type": "playerState",
+        "playerId": 9999,
+        "characterName": "Sole Survivor",
+        "equippedItems": [
+            {"slot": "rightHand", "formId": "ff"},
+            {"slot": "body", "formId": ""},
+        ],
+        "appearance": {
+            "version": 4,
+            "raceFormId": "13746",
+            "height": 1.0,
+            "morphWeight": {"thin": 0.2, "muscular": 0.3, "large": 0.5},
+            "bodyTintColor": {"r": 1, "g": 2, "b": 3, "a": 255},
+            "hairColorFormId": "",
+            "facialHairColorFormId": "",
+            "complexionFormId": "",
+            "isFemale": False,
+            "headParts": ["1a2b"],
+            "morphs": [{"id": "10", "value": 0.5}],
+            "morphRegions": [0.25],
+            "facialBoneMorphs": [
+                {
+                    "id": "20",
+                    "position": [0.0, 1.0, 2.0],
+                    "rotation": [3.0, 4.0, 5.0],
+                    "scale": [1.0, 1.0, 1.0],
+                }
+            ],
+            "tints": [{"id": 1, "type": 2, "value": 3, "color": "ff00ff00", "swatch": 4}],
+        },
+        "actionEvents": [{"sequence": 7, "type": 3, "eventName": "fireSingle"}],
+    }
+
+
+def test_player_state_normalizes_only_reliable_fields():
+    clean = normalize_player_state_packet(valid_packet(), _normalize_action_events)
+    assert clean is not None
+    assert clean["type"] == "playerState"
+    assert "playerId" not in clean
+    assert clean["equippedItems"][0]["formId"] == "000000FF"
+    assert clean["appearance"]["raceFormId"] == "00013746"
+    assert clean["appearance"]["headParts"] == ["00001A2B"]
+    assert clean["appearance"]["tints"][0]["color"] == "FF00FF00"
+    assert clean["actionEvents"][0]["sequence"] == 7
+
+
+def test_empty_player_state_is_rejected():
+    assert normalize_player_state_packet({"type": "playerState"}, _normalize_action_events) is None
+
+
+def test_invalid_equipment_is_rejected():
+    packet = valid_packet()
+    packet["equippedItems"][0]["formId"] = "not-a-form"
+    assert normalize_player_state_packet(packet, _normalize_action_events) is None
+
+
+def test_invalid_appearance_numbers_are_rejected():
+    packet = valid_packet()
+    packet["appearance"]["height"] = float("nan")
+    assert normalize_player_state_packet(packet, _normalize_action_events) is None
+
+
+def test_invalid_action_event_is_rejected_instead_of_silently_dropped():
+    packet = valid_packet()
+    packet["actionEvents"] = [{"sequence": 7, "type": 3, "eventName": "notAllowed"}]
+    assert normalize_player_state_packet(packet, _normalize_action_events) is None
+
+
+def test_character_name_is_bounded():
+    packet = valid_packet()
+    packet["characterName"] = "x" * 129
+    assert normalize_player_state_packet(packet, _normalize_action_events) is None