add specs

spec/controllers/contract_templates/duplicates_controller.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe ContractTemplates::DuplicatesController do
+  let(:account) { build(:account) }
+  let(:current_user) { create(:user, :manager, primary_account: account) }
+  let(:project) { create(:project, members: [current_user], account: account) }
+
+  before do
+    sign_in(current_user)
+  end
+
+  describe '#create' do
+    it "responds with redirect to the edit page for newly created duplicate" do
+      contract_template = create(:contract_template, project: project)
+
+      expect do
+        post :create, params: { contract_template_id: contract_template }
+      end.to change(ContractTemplate, :count).by(1)
+
+      new_ct = ContractTemplate.last
+
+      expect(new_ct.name).to eq t('contract_templates.duplicate.name_prefix', template_name: contract_template.name)
+      expect(new_ct.release_type).to eq contract_template.release_type
+
+      expect(response).to redirect_to [:edit, new_ct]
+    end
+  end
+end