Fix APRS parser for direwolf bracket-prefixed frames

tests/test_aprs_parser.py

@@ -0,0 +1,27 @@
+"""APRS packet parser regression tests."""
+
+from __future__ import annotations
+
+import pytest
+
+from routes.aprs import parse_aprs_packet
+
+
+_BASE_PACKET = "N0CALL-9>APRS,TCPIP*:@092345z4903.50N/07201.75W_090/000g005t077"
+
+
+@pytest.mark.parametrize(
+    "line",
+    [
+        _BASE_PACKET,
+        f"[0.4] {_BASE_PACKET}",
+        f"[0L] {_BASE_PACKET}",
+        f"AFSK1200: {_BASE_PACKET}",
+        f"AFSK1200: [0L] {_BASE_PACKET}",
+    ],
+)
+def test_parse_aprs_packet_accepts_decoder_prefix_variants(line: str) -> None:
+    packet = parse_aprs_packet(line)
+    assert packet is not None
+    assert packet["callsign"] == "N0CALL-9"
+    assert packet["type"] == "aprs"