require_relative "../../../../base" describe "VagrantPlugins::GuestDebian::Cap:RSync" do let(:described_class) do VagrantPlugins::GuestDebian::Plugin .components .guest_capabilities[:debian] .get(:rsync_install) end let(:machine) { double("machine") } let(:comm) { VagrantTests::DummyCommunicator::Communicator.new(machine) } before do allow(machine).to receive(:communicate).and_return(comm) end after do comm.verify_expectations! end describe ".rsync_install" do it "installs rsync" do described_class.rsync_install(machine) expect(comm.received_commands[0]).to match(/apt-get -yqq update/) expect(comm.received_commands[0]).to match(/apt-get -yqq install rsync/) end end end