require 'rails_helper' describe UploadChecksumWorker do describe '#perform' do subject { described_class.new } context 'without a valid record' do it 'rescues ActiveRecord::RecordNotFound' do expect { subject.perform(999_999) }.not_to raise_error end end context 'with a valid record' do let(:upload) { create(:user, :with_avatar).avatar.upload } before do expect(Upload).to receive(:find).and_return(upload) allow(upload).to receive(:foreground_checksumable?).and_return(false) end it 'calls calculate_checksum!' do expect(upload).to receive(:calculate_checksum!) subject.perform(upload.id) end it 'calls save!' do expect(upload).to receive(:save!) subject.perform(upload.id) end end end end