test: add MapLive.Index zoom threshold and tracking tests

test/aprsme_web/live/map_live/index_test.exs

@@ -445,4 +445,87 @@ defmodule AprsmeWeb.MapLive.IndexTest do
       assert html =~ "K5ABC" or html =~ "aprs-map"
     end
   end
+
+  describe "MapLive.Index zoom and map state changes" do
+    test "update_map_state crossing heat map threshold (high → low zoom)", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/?lat=40.5&lng=-98.5&z=10", on_error: :warn)
+
+      # Drop from zoom 10 → 6 — crosses the zoom-8 heat-map threshold.
+      assert render_hook(view, "update_map_state", %{
+               "center" => %{"lat" => 40.5, "lng" => -98.5},
+               "zoom" => 6
+             })
+    end
+
+    test "update_map_state crossing heat map threshold (low → high zoom)", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/?lat=40.5&lng=-98.5&z=5", on_error: :warn)
+
+      # Jump from zoom 5 → 12 — crosses the threshold in the other direction.
+      assert render_hook(view, "update_map_state", %{
+               "center" => %{"lat" => 40.5, "lng" => -98.5},
+               "zoom" => 12
+             })
+    end
+
+    test "update_map_state with string zoom value", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      assert render_hook(view, "update_map_state", %{
+               "center" => %{"lat" => "40.5", "lng" => "-98.5"},
+               "zoom" => "10"
+             })
+    end
+
+    test "update_map_state clamps extreme zoom values", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      assert render_hook(view, "update_map_state", %{
+               "center" => %{"lat" => 0.0, "lng" => 0.0},
+               "zoom" => 99
+             })
+    end
+
+    test "bounds_changed with very zoomed-in bounds", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      assert render_hook(view, "bounds_changed", %{
+               "bounds" => %{
+                 "north" => 40.75,
+                 "south" => 40.74,
+                 "east" => -73.98,
+                 "west" => -73.99
+               }
+             })
+    end
+  end
+
+  describe "MapLive.Index tracking flow" do
+    test "track_callsign with whitespace trims and uppercases", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+      # Mixed case + whitespace — should be normalized.
+      assert render_hook(view, "track_callsign", %{"callsign" => "  k5abc "})
+    end
+
+    test "clear_tracking works after starting tracking", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+      render_hook(view, "track_callsign", %{"callsign" => "W1XYZ"})
+      assert render_hook(view, "clear_tracking", %{})
+    end
+
+    test "update_trail_duration with various values", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      for dur <- ["1", "2", "6", "12", "24"] do
+        assert render_hook(view, "update_trail_duration", %{"trail_duration" => dur})
+      end
+    end
+
+    test "update_historical_hours with various values", %{conn: conn} do
+      {:ok, view, _html} = live(conn, "/", on_error: :warn)
+
+      for hrs <- ["1", "2", "6", "12", "24"] do
+        assert render_hook(view, "update_historical_hours", %{"historical_hours" => hrs})
+      end
+    end
+  end
 end