1 files changed, 78 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/mutations/work_items/update_widgets_spec.rb b/spec/requests/api/graphql/mutations/work_items/update_widgets_spec.rb
new file mode 100644
index 00000000000..595d8fe97ed
--- /dev/null
+++ b/spec/requests/api/graphql/mutations/work_items/update_widgets_spec.rb
@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Update work item widgets' do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user).tap { |user| project.add_developer(user) } }
+  let_it_be(:work_item, refind: true) { create(:work_item, project: project) }
+
+  let(:input) do
+    {
+      'descriptionWidget' => { 'description' => 'updated description' }
+    }
+  end
+
+  let(:mutation) { graphql_mutation(:workItemUpdateWidgets, input.merge('id' => work_item.to_global_id.to_s)) }
+
+  let(:mutation_response) { graphql_mutation_response(:work_item_update_widgets) }
+
+  context 'the user is not allowed to update a work item' do
+    let(:current_user) { create(:user) }
+
+    it_behaves_like 'a mutation that returns a top-level access error'
+  end
+
+  context 'when user has permissions to update a work item', :aggregate_failures do
+    let(:current_user) { developer }
+
+    context 'when the updated work item is not valid' do
+      it 'returns validation errors without the work item' do
+        errors = ActiveModel::Errors.new(work_item).tap { |e| e.add(:description, 'error message') }
+
+        allow_next_found_instance_of(::WorkItem) do |instance|
+          allow(instance).to receive(:valid?).and_return(false)
+          allow(instance).to receive(:errors).and_return(errors)
+        end
+
+        post_graphql_mutation(mutation, current_user: current_user)
+
+        expect(mutation_response['workItem']).to be_nil
+        expect(mutation_response['errors']).to match_array(['Description error message'])
+      end
+    end
+
+    it 'updates the work item widgets' do
+      expect do
+        post_graphql_mutation(mutation, current_user: current_user)
+        work_item.reload
+      end.to change(work_item, :description).from(nil).to('updated description')
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['workItem']).to include(
+        'title' => work_item.title
+      )
+    end
+
+    it_behaves_like 'has spam protection' do
+      let(:mutation_class) { ::Mutations::WorkItems::UpdateWidgets }
+    end
+
+    context 'when the work_items feature flag is disabled' do
+      before do
+        stub_feature_flags(work_items: false)
+      end
+
+      it 'does not update the work item and returns and error' do
+        expect do
+          post_graphql_mutation(mutation, current_user: current_user)
+          work_item.reload
+        end.to not_change(work_item, :title)
+
+        expect(mutation_response['errors']).to contain_exactly('`work_items` feature flag disabled for this project')
+      end
+    end
+  end
+end