Improve spec coverage for collection of workers/ classes (#27874)

spec/workers/scheduler/self_destruct_scheduler_spec.rb

@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe Scheduler::SelfDestructScheduler do
+  let(:worker) { described_class.new }
+
+  describe '#perform' do
+    let!(:account) { Fabricate(:account, domain: nil, suspended_at: nil) }
+
+    context 'when not in self destruct mode' do
+      before do
+        allow(SelfDestructHelper).to receive(:self_destruct?).and_return(false)
+      end
+
+      it 'returns without processing' do
+        worker.perform
+
+        expect(account.reload.suspended_at).to be_nil
+      end
+    end
+
+    context 'when in self-destruct mode' do
+      before do
+        allow(SelfDestructHelper).to receive(:self_destruct?).and_return(true)
+      end
+
+      context 'when sidekiq is overwhelmed' do
+        before do
+          stats = instance_double(Sidekiq::Stats, enqueued: described_class::MAX_ENQUEUED**2)
+          allow(Sidekiq::Stats).to receive(:new).and_return(stats)
+        end
+
+        it 'returns without processing' do
+          worker.perform
+
+          expect(account.reload.suspended_at).to be_nil
+        end
+      end
+
+      context 'when sidekiq is operational' do
+        it 'suspends local non-suspended accounts' do
+          worker.perform
+
+          expect(account.reload.suspended_at).to_not be_nil
+        end
+
+        it 'suspends local suspended accounts marked for deletion' do
+          account.update(suspended_at: 10.days.ago)
+          deletion_request = Fabricate(:account_deletion_request, account: account)
+
+          worker.perform
+
+          expect(account.reload.suspended_at).to be > 1.day.ago
+          expect { deletion_request.reload }.to raise_error(ActiveRecord::RecordNotFound)
+        end
+      end
+    end
+  end
+end