From c264a9bc3da28e899a66c34eadcc0c1cad8ec11f Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Fri, 24 Apr 2026 08:32:28 -0500
Subject: [PATCH] test: HistoricalLoader RF path + low-zoom heat map paths

---
 .../live/map_live/historical_loader_test.exs  | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/test/aprsme_web/live/map_live/historical_loader_test.exs b/test/aprsme_web/live/map_live/historical_loader_test.exs
index 811f140..8f8a192 100644
--- a/test/aprsme_web/live/map_live/historical_loader_test.exs
+++ b/test/aprsme_web/live/map_live/historical_loader_test.exs
@@ -312,6 +312,83 @@ defmodule AprsmeWeb.MapLive.HistoricalLoaderTest do
     end
   end
 
+  describe "tracking a callsign drives maybe_include_latest_packet and RF path loading" do
+    test "first batch with a tracked callsign + packets triggers RF path scheduling" do
+      now = DateTime.utc_now()
+
+      Mox.stub(Aprsme.PacketsMock, :get_recent_packets, fn _opts ->
+        [
+          %{
+            id: "rf-1",
+            sender: "RFME-1",
+            base_callsign: "RFME",
+            ssid: "1",
+            lat: 33.5,
+            lon: -96.5,
+            has_position: true,
+            symbol_table_id: "/",
+            symbol_code: ">",
+            received_at: now,
+            path: "K5ABC-1*,WIDE1-1"
+          }
+        ]
+      end)
+
+      socket =
+        build_socket(%{
+          map_bounds: %{north: 34.0, south: 32.0, east: -95.0, west: -97.0},
+          map_zoom: 10,
+          tracked_callsign: "RFME-1",
+          historical_loading: true,
+          loading_generation: 1
+        })
+
+      _ = HistoricalLoader.load_historical_batch(socket, 0, nil)
+      # RF path scheduling sends a :load_rf_path_station_packets after 100ms.
+      # Wait a bit, then check the mailbox.
+      Process.sleep(120)
+      assert_received {:load_rf_path_station_packets, _stations}
+    end
+  end
+
+  describe "low zoom with packets path" do
+    test "low zoom accumulates historical_packets without pushing markers" do
+      now = DateTime.utc_now()
+
+      Mox.stub(Aprsme.PacketsMock, :get_recent_packets, fn _opts ->
+        [
+          %{
+            id: "lz-1",
+            sender: "LZ1",
+            base_callsign: "LZ",
+            ssid: "1",
+            lat: 33.5,
+            lon: -96.5,
+            has_position: true,
+            symbol_table_id: "/",
+            symbol_code: ">",
+            received_at: now,
+            path: ""
+          }
+        ]
+      end)
+
+      socket =
+        build_socket(%{
+          map_bounds: %{north: 34.0, south: 32.0, east: -95.0, west: -97.0},
+          # zoom <= 8 uses heat map path.
+          map_zoom: 5,
+          historical_loading: true,
+          loading_generation: 1,
+          total_batches: 3
+        })
+
+      result = HistoricalLoader.load_historical_batch(socket, 0, nil)
+      # Packet should be merged into historical_packets map.
+      assert map_size(result.assigns.historical_packets) >= 1
+    end
+  end
+
   describe "max packets-for-zoom limit" do
     test "finishes loading when batch_offset * batch_size exceeds zoom limit" do
       # At zoom 10, limit=1500, batch_size=500. A batch_offset of 3 exceeds