1 files changed, 40 insertions, 0 deletions
diff --git a/spec/graphql/mutations/work_items/update_task_spec.rb b/spec/graphql/mutations/work_items/update_task_spec.rb
new file mode 100644
index 00000000000..cb93e97504a
--- /dev/null
+++ b/spec/graphql/mutations/work_items/update_task_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::WorkItems::UpdateTask do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user).tap { |user| project.add_developer(user) } }
+  let_it_be(:referenced_work_item, refind: true) { create(:work_item, project: project, title: 'REFERENCED') }
+  let_it_be(:parent_work_item) do
+    create(:work_item, project: project, description: "- [ ] #{referenced_work_item.to_reference}+")
+  end
+
+  let(:task_params) { { title: 'UPDATED' } }
+  let(:task_input) { { id: referenced_work_item.to_global_id }.merge(task_params) }
+  let(:input) { { id: parent_work_item.to_global_id, task_data: task_input } }
+  let(:mutation) { described_class.new(object: nil, context: { current_user: current_user }, field: nil) }
+
+  describe '#resolve' do
+    subject(:resolve) do
+      mutation.resolve(**input)
+    end
+
+    before do
+      stub_spam_services
+    end
+
+    context 'when user has sufficient permissions' do
+      let(:current_user) { developer }
+
+      it 'expires etag cache for parent work item' do
+        allow(WorkItem).to receive(:find).and_call_original
+        allow(WorkItem).to receive(:find).with(parent_work_item.id.to_s).and_return(parent_work_item)
+
+        expect(parent_work_item).to receive(:expire_etag_cache)
+
+        resolve
+      end
+    end
+  end
+end