guests/freebsd: Install rsync in one command

plugins/guests/freebsd/cap/rsync.rb

@@ -3,14 +3,7 @@ module VagrantPlugins
     module Cap
       class RSync
         def self.rsync_install(machine)
-          version = nil
-          machine.communicate.execute("uname -r") do |type, result|
-            version = result.split('.')[0].to_i if type == :stdout
-          end
-
-          pkg_cmd = "pkg install -y"
-
-          machine.communicate.sudo("#{pkg_cmd} rsync")
+          machine.communicate.sudo("pkg install -y rsync")
         end
 
         def self.rsync_installed(machine)

test/unit/plugins/guests/freebsd/cap/rsync_test.rb

@@ -0,0 +1,46 @@
+require_relative "../../../../base"
+
+describe "VagrantPlugins::GuestFreeBSD::Cap::RSync" do
+  let(:caps) do
+    VagrantPlugins::GuestFreeBSD::Plugin
+      .components
+      .guest_capabilities[:freebsd]
+  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
+      comm.expect_command("pkg install -y rsync")
+      cap.rsync_install(machine)
+    end
+  end
+
+  describe ".rsync_installed" do
+    let(:cap) { caps.get(:rsync_installed) }
+
+    it "checks if rsync is installed" do
+      comm.expect_command("which rsync")
+      cap.rsync_installed(machine)
+    end
+  end
+
+  describe ".rsync_command" do
+    let(:cap) { caps.get(:rsync_command) }
+
+    it "defaults to 'sudo rsync'" do
+      expect(cap.rsync_command(machine)).to eq("sudo rsync")
+    end
+  end
+end