require_relative "../../../../base" describe "VagrantPlugins::GuestALT::Cap:RSync" do let(:caps) do VagrantPlugins::GuestALT::Plugin .components .guest_capabilities[:alt] 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 let(:cap) { caps.get(:rsync_install) } it "installs rsync" do cap.rsync_install(machine) expect(comm.received_commands[0]).to match(/install rsync/) end end end