feat(server): hosts list/delete/rotate helpers + pubsub on metric insert

server/test/server/hosts_test.exs

@@ -52,4 +52,34 @@ defmodule Server.HostsTest do
       assert offline.status == "offline"
     end
   end
+
+  describe "list_all/0" do
+    test "returns every host ordered by name" do
+      {:ok, {_, _}} = Hosts.create_host("pve-02")
+      {:ok, {_, _}} = Hosts.create_host("pve-01")
+      names = Hosts.list_all() |> Enum.map(& &1.name)
+      assert names == ["pve-01", "pve-02"]
+    end
+  end
+
+  describe "delete_host/1" do
+    test "deletes the host row" do
+      {:ok, {host, _}} = Hosts.create_host("pve-01")
+      assert {:ok, _} = Hosts.delete_host(host)
+      assert Server.Repo.get(Server.Schema.Host, host.id) == nil
+    end
+  end
+
+  describe "rotate_token/1" do
+    test "replaces token_hash and returns new plaintext token" do
+      {:ok, {host, old_token}} = Hosts.create_host("pve-01")
+      assert {:ok, {updated, new_token}} = Hosts.rotate_token(host)
+      assert updated.id == host.id
+      refute updated.token_hash == host.token_hash
+      assert is_binary(new_token)
+      refute new_token == old_token
+      assert {:error, :invalid_token} = Hosts.authenticate("pve-01", old_token)
+      assert {:ok, _} = Hosts.authenticate("pve-01", new_token)
+    end
+  end
 end

server/test/server/metrics_test.exs

@@ -32,6 +32,14 @@ defmodule Server.MetricsTest do
       assert {:error, cs} = Metrics.record_sample(999_999, "fast", ts, %{})
       assert %{host: ["does not exist"]} = errors_on(cs)
     end
+
+    test "broadcasts {:metric_inserted, host_id, interval} on success", %{host: host} do
+      Phoenix.PubSub.subscribe(Server.PubSub, "metrics")
+      ts = DateTime.utc_now()
+      {:ok, _} = Metrics.record_sample(host.id, "fast", ts, %{"v" => 1})
+      assert_receive {:metric_inserted, host_id, "fast"}, 500
+      assert host_id == host.id
+    end
   end
 
   describe "latest_sample/2" do