require "rails_helper" describe ::Dorsale::Alexandrie::Attachment, type: :model do it { is_expected.to belong_to :attachable } it { is_expected.to belong_to :sender } it { is_expected.to validate_presence_of :attachable } it { is_expected.to validate_presence_of :sender } it { is_expected.to validate_presence_of :file } it "factory should be valid" do expect(create(:alexandrie_attachment)).to be_valid end end