1 files changed, 37 insertions, 0 deletions
diff --git a/spec/services/work_items/related_work_item_links/create_service_spec.rb b/spec/services/work_items/related_work_item_links/create_service_spec.rb
new file mode 100644
index 00000000000..992beb705aa
--- /dev/null
+++ b/spec/services/work_items/related_work_item_links/create_service_spec.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe WorkItems::RelatedWorkItemLinks::CreateService, feature_category: :portfolio_management do
+  describe '#execute' do
+    let_it_be(:user) { create(:user) }
+    let_it_be(:group) { create(:group) }
+    let_it_be(:project) { create(:project, group: group) }
+    let_it_be(:issuable) { create(:work_item, project: project) }
+    let_it_be(:issuable2) { create(:work_item, project: project) }
+    let_it_be(:restricted_issuable) { create(:work_item) }
+    let_it_be(:another_project) { create(:project, group: group) }
+    let_it_be(:issuable3) { create(:work_item, project: another_project) }
+    let_it_be(:issuable_a) { create(:work_item, project: project) }
+    let_it_be(:issuable_b) { create(:work_item, project: project) }
+    let_it_be(:issuable_link) { create(:work_item_link, source: issuable, target: issuable_b) }
+
+    let(:issuable_parent) { issuable.project }
+    let(:issuable_type) { 'work item' }
+    let(:issuable_link_class) { WorkItems::RelatedWorkItemLink }
+    let(:params) { {} }
+
+    before_all do
+      project.add_guest(user)
+      another_project.add_guest(user)
+    end
+
+    it_behaves_like 'issuable link creation', use_references: false do
+      let(:response_keys) { [:status, :created_references, :message] }
+      let(:already_assigned_error_msg) { "Work items are already linked" }
+      let(:no_found_error_msg) do
+        'No matching work item found. Make sure you are adding a valid ID and you have access to the item.'
+      end
+    end
+  end
+end