test: parametric HelpLive section coverage + MibCache init/pre_resolve

test/towerops/profiles/mib_cache_test.exs

@@ -50,5 +50,22 @@ defmodule Towerops.Profiles.MibCacheTest do
     test "returns :ok (fire-and-forget)" do
       assert :ok == MibCache.pre_resolve(["ifName", "sysDescr"])
     end
+
+    test "actually drains the GenServer mailbox by calling size/0", %{} do
+      :ok = MibCache.pre_resolve(["pre1", "pre2"])
+      # size/0 acts as a sync barrier through ETS
+      assert is_integer(MibCache.size())
+    end
+  end
+
+  describe "init/1" do
+    test "creates the ETS table when it does not yet exist" do
+      # Drop and re-init to exercise the create branch.
+      _ = if pid = Process.whereis(MibCache), do: GenServer.stop(pid, :normal)
+      _ = :ets.info(:mib_cache) != :undefined && :ets.delete(:mib_cache)
+
+      assert {:ok, _state} = MibCache.init([])
+      assert :ets.info(:mib_cache) != :undefined
+    end
   end
 end

test/towerops_web/live/help_live/index_test.exs

@@ -3,6 +3,21 @@ defmodule ToweropsWeb.HelpLive.IndexTest do
 
   import Phoenix.LiveViewTest
 
+  describe "every section renders without crashing" do
+    for section <- ~w(
+          about getting-started settings sites cloud-pollers agents
+          integrations mikrotik graphs insights network-map
+          api-tokens rest-api graphql-api
+        ) do
+      test "section=#{section} renders content", %{conn: conn} do
+        section = unquote(section)
+        {:ok, _view, html} = live(conn, ~p"/help?section=#{section}")
+        # Page renders and contains the help shell
+        assert html =~ "Help"
+      end
+    end
+  end
+
   describe "unauthenticated access" do
     test "mounts without authentication and shows help content", %{conn: conn} do
       {:ok, _view, html} = live(conn, ~p"/help")