test if Vms and MiqTemplates are reconnectable

spec/models/manager_refresh/inventory_collection_default_spec.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+describe ManagerRefresh::InventoryCollectionDefault do
+ it 'pickups existing Vm and MiqTemplate records on Amazon EMS re-adding' do
+ ems = new_amazon_ems
+
+ with_vcr_data { expect { EmsRefresh.refresh(ems) }.to change { VmOrTemplate.count }.from(0) }
+ expect { ems.destroy }.to_not change { VmOrTemplate.count }
+
+ aggregate_failures do
+ expect(Vm.count).to_not be_zero
+ expect(MiqTemplate.count).to_not be_zero
+ expect(ExtManagementSystem.count).to be_zero
+ end
+
+ ems = new_amazon_ems
+
+ with_vcr_data do
+ expect { EmsRefresh.refresh(ems) }
+ .to change { VmOrTemplate.distinct.pluck(:ems_id) }.from([nil]).to([ems.id])
+ .and change { VmOrTemplate.count } .by(0)
+ .and change { MiqTemplate.count } .by(0)
+ .and change { Vm.count } .by(0)
+ end
+ end
+
+ private
+
+ def new_amazon_ems
+ FactoryGirl.create(:ems_amazon_with_vcr_authentication, :provider_region => 'eu-central-1')
+ end
+
+ # TODO: (zalex) DRY - put in the shared helpers
+ def with_vcr_data
+ VCR.use_cassette(described_class.name.underscore) { yield }
+ end
+end