RSpec.describe Msf::DatabaseEvent do subject(:base_instance) { base_class.new } let(:base_class) { described_class = self.described_class Class.new do include described_class end } it { is_expected.to respond_to :on_db_client } it { is_expected.to respond_to :on_db_host } it { is_expected.to respond_to :on_db_host_state } it { is_expected.to respond_to :on_db_ref } it { is_expected.to respond_to :on_db_service } it { is_expected.to respond_to :on_db_service_state } it { is_expected.to respond_to :on_db_vuln } end