Add anonymizer property tests for IPAddress model

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: oschwald

tests/data/factors-response.json

@@ -19,6 +19,17 @@
         "reason": "Suspicious activity has been seen on this IP address across minFraud customers."
       }
     ],
+    "anonymizer": {
+      "confidence": 99,
+      "is_anonymous": true,
+      "is_anonymous_vpn": true,
+      "is_hosting_provider": true,
+      "is_public_proxy": true,
+      "is_residential_proxy": true,
+      "is_tor_exit_node": true,
+      "network_last_seen": "2025-01-15",
+      "provider_name": "TestVPN"
+    },
     "city": {
       "confidence": 42,
       "geoname_id": 2643743,

tests/data/insights-response.json

@@ -19,6 +19,17 @@
         "reason": "Suspicious activity has been seen on this IP address across minFraud customers."
       }
     ],
+    "anonymizer": {
+      "confidence": 99,
+      "is_anonymous": true,
+      "is_anonymous_vpn": true,
+      "is_hosting_provider": true,
+      "is_public_proxy": true,
+      "is_residential_proxy": true,
+      "is_tor_exit_node": true,
+      "network_last_seen": "2025-01-15",
+      "provider_name": "TestVPN"
+    },
     "city": {
       "confidence": 42,
       "geoname_id": 2643743,

tests/test_models.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import datetime
 import unittest
 from typing import Any
 
@@ -187,6 +188,16 @@ def test_ip_address(self) -> None:
                     "across minFraud customers.",
                 },
             ],
+            anonymizer={
+                "confidence": 99,
+                "is_anonymous": True,
+                "is_anonymous_vpn": True,
+                "is_hosting_provider": True,
+                "is_public_proxy": True,
+                "is_tor_exit_node": True,
+                "network_last_seen": "2025-01-15",
+                "provider_name": "TestVPN",
+            },
             traits={
                 "is_anonymous": True,
                 "is_anonymous_proxy": True,
@@ -215,6 +226,18 @@ def test_ip_address(self) -> None:
         self.assertEqual("310", address.traits.mobile_country_code)
         self.assertEqual("004", address.traits.mobile_network_code)
 
+        # Test anonymizer attribute
+        self.assertEqual(99, address.anonymizer.confidence)
+        self.assertEqual(True, address.anonymizer.is_anonymous)
+        self.assertEqual(True, address.anonymizer.is_anonymous_vpn)
+        self.assertEqual(True, address.anonymizer.is_hosting_provider)
+        self.assertEqual(True, address.anonymizer.is_public_proxy)
+        self.assertEqual(True, address.anonymizer.is_tor_exit_node)
+        self.assertEqual(
+            datetime.date(2025, 1, 15), address.anonymizer.network_last_seen
+        )
+        self.assertEqual("TestVPN", address.anonymizer.provider_name)
+
         self.assertEqual("ANONYMOUS_IP", address.risk_reasons[0].code)
         self.assertEqual(
             "The IP address belongs to an anonymous network. "