1 files changed, 50 insertions, 0 deletions
diff --git a/spec/services/work_items/delete_service_spec.rb b/spec/services/work_items/delete_service_spec.rb
new file mode 100644
index 00000000000..6cca5018852
--- /dev/null
+++ b/spec/services/work_items/delete_service_spec.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe WorkItems::DeleteService do
+  let_it_be(:project) { create(:project, :repository) }
+  let_it_be(:guest) { create(:user) }
+  let_it_be(:work_item, refind: true) { create(:work_item, project: project, author: guest) }
+
+  let(:user) { guest }
+
+  before_all do
+    project.add_guest(guest)
+    # note necessary to test note removal as part of work item deletion
+    create(:note, project: project, noteable: work_item)
+  end
+
+  describe '#execute' do
+    subject(:result) { described_class.new(project: project, current_user: user).execute(work_item) }
+
+    context 'when user can delete the work item' do
+      it { is_expected.to be_success }
+
+      # currently we don't expect destroy to fail. Mocking here for coverage and keeping
+      # the service's return type consistent
+      context 'when there are errors preventing to delete the work item' do
+        before do
+          allow(work_item).to receive(:destroy).and_return(false)
+          work_item.errors.add(:title)
+        end
+
+        it { is_expected.to be_error }
+
+        it 'returns error messages' do
+          expect(result.errors).to contain_exactly('Title is invalid')
+        end
+      end
+    end
+
+    context 'when user cannot delete the work item' do
+      let(:user) { create(:user) }
+
+      it { is_expected.to be_error }
+
+      it 'returns error messages' do
+        expect(result.errors).to contain_exactly('User not authorized to delete work item')
+      end
+    end
+  end
+end