feat(server): host schema, context, auth, status transitions

server/test/server/hosts_test.exs

@@ -0,0 +1,55 @@
+defmodule Server.HostsTest do
+  use Server.DataCase, async: true
+
+  alias Server.Hosts
+
+  describe "create_host/1" do
+    test "returns host and a plaintext token on success" do
+      assert {:ok, {host, token}} = Hosts.create_host("pve-01")
+      assert host.name == "pve-01"
+      assert host.status == "never_connected"
+      assert is_binary(token) and byte_size(token) >= 32
+      refute host.token_hash == token
+    end
+
+    test "rejects duplicate names" do
+      {:ok, _} = Hosts.create_host("pve-01")
+      assert {:error, changeset} = Hosts.create_host("pve-01")
+      assert %{name: ["has already been taken"]} = errors_on(changeset)
+    end
+  end
+
+  describe "authenticate/2" do
+    test "returns host for valid name+token" do
+      {:ok, {host, token}} = Hosts.create_host("pve-01")
+      assert {:ok, found} = Hosts.authenticate("pve-01", token)
+      assert found.id == host.id
+    end
+
+    test "returns :invalid_token for wrong token" do
+      {:ok, {_host, _token}} = Hosts.create_host("pve-01")
+      assert {:error, :invalid_token} = Hosts.authenticate("pve-01", "wrong")
+    end
+
+    test "returns :unknown_host when name does not exist" do
+      assert {:error, :unknown_host} = Hosts.authenticate("nope", "whatever")
+    end
+  end
+
+  describe "mark_online/2 and mark_offline/1" do
+    test "mark_online stamps status, last_seen_at, agent_version" do
+      {:ok, {host, _}} = Hosts.create_host("pve-01")
+      assert {:ok, updated} = Hosts.mark_online(host, "0.1.0")
+      assert updated.status == "online"
+      assert updated.agent_version == "0.1.0"
+      assert updated.last_seen_at != nil
+    end
+
+    test "mark_offline sets status to offline" do
+      {:ok, {host, _}} = Hosts.create_host("pve-01")
+      {:ok, online} = Hosts.mark_online(host, "0.1.0")
+      assert {:ok, offline} = Hosts.mark_offline(online)
+      assert offline.status == "offline"
+    end
+  end
+end