diff --git a/modules/storages/spec/services/storages/oauth_applications/create_service_spec.rb b/modules/storages/spec/services/storages/oauth_applications/create_service_spec.rb
new file mode 100644
index 0000000000..4999c58bb4
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+++ b/modules/storages/spec/services/storages/oauth_applications/create_service_spec.rb
@@ -0,0 +1,54 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2022 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+require 'spec_helper'
+require 'services/base_services/behaves_like_create_service'
+
+describe ::Storages::OAuthApplications::CreateService, type: :model do
+  let(:user) { create :admin }
+  let(:storage) { create :storage, creator: user }
+  let(:instance) { described_class.new(user:, storage:) }
+
+  describe '#call' do
+    subject { instance.call }
+
+    it 'returns a OAuthApplication' do
+      expect(subject).to be_a ServiceResult
+      expect(subject).to be_success
+      expect(subject.result).to be_a ::Doorkeeper::Application
+      expect(subject.result.name).to include storage.name
+      expect(subject.result.name).to include I18n.t("storages.provider_types.#{storage.provider_type}")
+      expect(subject.result.scopes.to_s).to eql "api_v3"
+      expect(subject.result.redirect_uri).to include storage.host
+      expect(subject.result.redirect_uri).to include 'apps/integration_openproject/oauth-redirect'
+      expect(subject.result.integration).to eql storage
+      expect(subject.result.confidential).to be_truthy
+      expect(subject.result.owner).to eql user
+    end
+  end
+end