require 'rails_helper' RSpec.shared_examples 'a validation without errors' do it 'validatates without errors' do allow(subject).to receive(:value).and_return(value) # rubocop:disable RSpec/SubjectStub subject.validate expect(record.errors).to be_blank end end RSpec.shared_examples 'a validation with errors' do it 'validates with errors' do allow(subject).to receive(:value).and_return(value) # rubocop:disable RSpec/SubjectStub subject.validate expect(record.errors).to be_present end end RSpec.shared_examples 'validate backend' do it 'included in backends list' do expect(::ObjectManager::Attribute::Validation.backends).to include(described_class) end end