diff --git a/test/realm_test.exs b/test/realm_test.exs
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+++ b/test/realm_test.exs
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+#
+# This file is part of Astarte.
+#
+# Copyright 2024 SECO Mind Srl
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+defmodule Astarte.DataAccess.Realm.XandraTest do
+  use ExUnit.Case
+  alias Astarte.DataAccess.DatabaseTestHelper
+  alias Astarte.DataAccess.Keyspace
+  alias Astarte.DataAccess.XandraUtils
+  alias Astarte.DataAccess.Realm
+
+  @moduletag :realm
+
+  @valid_realm_names [
+    "realm1",
+    "test",
+    "testrealm1"
+  ]
+
+  @invalid_realm_names [
+    "astarte",
+    "123realm",
+    "realm_123",
+    "realm_####"
+  ]
+
+  setup do
+    Xandra.Cluster.run(:astarte_data_access_xandra, fn conn ->
+      DatabaseTestHelper.seed_data(conn)
+    end)
+  end
+
+  setup_all do
+    Xandra.Cluster.run(:astarte_data_access_xandra, fn conn ->
+      DatabaseTestHelper.create_test_keyspace(conn)
+    end)
+
+    on_exit(fn ->
+      Xandra.Cluster.run(:astarte_data_access_xandra, fn conn ->
+        DatabaseTestHelper.destroy_local_test_keyspace(conn)
+      end)
+    end)
+
+    :ok
+  end
+
+  describe "XandraUtils tests" do
+    test "validate_realm_name/1" do
+      for realm <- @valid_realm_names do
+        assert :ok = XandraUtils.verify_realm_name(realm)
+      end
+
+      for realm <- @invalid_realm_names do
+        assert {:error, :invalid_realm_name} = XandraUtils.verify_realm_name(realm)
+      end
+    end
+  end
+
+  describe "Realm tests" do
+    test "keyspace_existing?/1" do
+      assert {:ok, false} = Keyspace.keyspace_existing?("notexistingrealm")
+    end
+
+    test "create_realm & delete_realm" do
+      assert :ok = Realm.create_realm("realm1", 1, "")
+      assert :ok = Realm.delete_realm("realm1")
+    end
+  end
+end