Keep pre-rebrand discovery installs compatible

tests/test_server_config.py

@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+import os
+import unittest
+from unittest.mock import patch
+
+from straywild_discovery.server import ServerConfig
+
+
+class ServerConfigCompatibilityTests(unittest.TestCase):
+    def test_legacy_environment_remains_accepted(self) -> None:
+        with patch.dict(
+            os.environ,
+            {
+                "NETFISHING_DISCOVERY_HOST": "127.0.0.9",
+                "NETFISHING_DISCOVERY_PORT": "7791",
+                "NETFISHING_DISCOVERY_BUILD_REVISION": "legacy-config",
+            },
+            clear=True,
+        ):
+            config = ServerConfig.from_environment()
+        self.assertEqual(config.bind_host, "127.0.0.9")
+        self.assertEqual(config.bind_port, 7791)
+        self.assertEqual(config.build_revision, "legacy-config")
+
+    def test_straywild_environment_wins_over_legacy_names(self) -> None:
+        with patch.dict(
+            os.environ,
+            {
+                "straywild_DISCOVERY_HOST": "127.0.0.8",
+                "NETFISHING_DISCOVERY_HOST": "127.0.0.9",
+                "straywild_DISCOVERY_PORT": "7792",
+                "NETFISHING_DISCOVERY_PORT": "7791",
+            },
+            clear=True,
+        ):
+            config = ServerConfig.from_environment()
+        self.assertEqual(config.bind_host, "127.0.0.8")
+        self.assertEqual(config.bind_port, 7792)
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_social_registry.py

@@ -77,6 +77,27 @@ class SocialRegistryTests(unittest.TestCase):
             [],
         )
 
+    def test_presence_keeps_pre_rebrand_friend_channels_reachable(self) -> None:
+        write_token = "c" * 64
+        legacy_channel = capability_id("NETFISHING_PRESENCE_V1:", write_token)
+        channels = self.social.publish_presence(
+            "203.0.113.10",
+            {
+                "write_tokens": [write_token],
+                "online": True,
+                "display_name": "Voyager",
+                "room_id": self.room.room_id,
+                "game_version": GAME_VERSION,
+                "protocol_version": PROTOCOL_VERSION,
+            },
+        )
+        self.assertIn(legacy_channel, channels)
+        presence = self.social.query_presence(
+            [legacy_channel], GAME_VERSION, PROTOCOL_VERSION, self.rooms
+        )
+        self.assertEqual(len(presence), 1)
+        self.assertEqual(presence[0]["channel"], legacy_channel)
+
     def test_invitation_requires_a_current_live_poll(self) -> None:
         inbox_token = "b" * 64
         with self.assertRaisesRegex(