Hobo::VM uses instance methods now since the VM is a form of state

lib/hobo/vm.rb

@@ -4,11 +4,7 @@ module Hobo
       # Bring up the virtual machine. Imports the base image and
       # provisions it.
       def up
-        vm = import
+        new.create
-        persist_vm(vm)
-        setup_mac_address(vm)
-        forward_ssh(vm)
-        setup_shared_folder(vm)
       end
 
       # Tear down a virtual machine.
@@ -18,42 +14,54 @@ module Hobo
         HOBO_LOGGER.info "Destroying VM and associated drives..."
         Env.persisted_vm.destroy(:destroy_image => true)
       end
+    end
+
+    def initialize(vm=nil)
+      @vm = vm
+    end
+
+    def create
+      import
+      persist
+      setup_mac_address
+      forward_ssh
+      setup_shared_folder
+    end
 
     def import
       HOBO_LOGGER.info "Importing base VM (#{Hobo.config[:vm][:base]})..."
-        VirtualBox::VM.import(File.expand_path(Hobo.config[:vm][:base]))
+      @vm = VirtualBox::VM.import(File.expand_path(Hobo.config[:vm][:base]))
     end
 
-      def persist_vm(vm)
+    def persist
-        HOBO_LOGGER.info "Persisting the VM UUID (#{vm.uuid})..."
+      HOBO_LOGGER.info "Persisting the VM UUID (#{@vm.uuid})..."
-        Env.persist_vm(vm)
+      Env.persist_vm(@vm)
     end
 
-      def setup_mac_address(vm)
+    def setup_mac_address
       HOBO_LOGGER.info "Matching MAC addresses..."
-        vm.nics.first.macaddress = Hobo.config[:vm][:base_mac]
+      @vm.nics.first.macaddress = Hobo.config[:vm][:base_mac]
-        vm.save(true)
+      @vm.save(true)
     end
 
-      def forward_ssh(vm)
+    def forward_ssh
       HOBO_LOGGER.info "Forwarding SSH ports..."
       port = VirtualBox::ForwardedPort.new
       port.name = "ssh"
       port.hostport = Hobo.config[:ssh][:port]
       port.guestport = 22
-        vm.forwarded_ports << port
+      @vm.forwarded_ports << port
-        vm.save(true)
+      @vm.save(true)
     end
 
     # TODO: We need to get the host path.
-      def setup_shared_folder(vm)
+    def setup_shared_folder
       HOBO_LOGGER.info "Creating shared folders..."
       folder = VirtualBox::SharedFolder.new
       folder.name = "project-path"
       folder.hostpath = ""
-        vm.shared_folders << folder
+      @vm.shared_folders << folder
       #vm.save(true)
     end
   end
-  end
 end

test/hobo/vm_test.rb

@@ -2,7 +2,7 @@ require File.join(File.dirname(__FILE__), '..', 'test_helper')
 
 class VMTest < Test::Unit::TestCase
   setup do
-    @vm = mock("vm")
+    @mock_vm = mock("vm")
     Hobo.config!(hobo_mock_config)
   end
 
@@ -25,34 +25,48 @@ class VMTest < Test::Unit::TestCase
   end
 
   context "hobo up" do
-    should "create the instance in the proper order" do
+    should "create a Hobo::VM instance and call create" do
-      create_seq = sequence("create_seq")
+      inst = mock("instance")
-      Hobo::VM.expects(:import).in_sequence(create_seq)
+      inst.expects(:create).once
-      Hobo::VM.expects(:persist_vm).in_sequence(create_seq)
+      Hobo::VM.expects(:new).returns(inst)
-      Hobo::VM.expects(:setup_mac_address).in_sequence(create_seq)
-      Hobo::VM.expects(:forward_ssh).in_sequence(create_seq)
-      Hobo::VM.expects(:setup_shared_folder).in_sequence(create_seq)
       Hobo::VM.up
     end
   end
 
+  context "hobo VM instance" do
+    setup do
+      @vm = Hobo::VM.new(@mock_vm)
+    end
+
+    context "creating" do
+      should "create the VM in the proper order" do
+        create_seq = sequence("create_seq")
+        @vm.expects(:import).in_sequence(create_seq)
+        @vm.expects(:persist).in_sequence(create_seq)
+        @vm.expects(:setup_mac_address).in_sequence(create_seq)
+        @vm.expects(:forward_ssh).in_sequence(create_seq)
+        @vm.expects(:setup_shared_folder).in_sequence(create_seq)
+        @vm.create
+      end
+    end
+
     context "importing" do
       should "call import on VirtualBox::VM with the proper base" do
         VirtualBox::VM.expects(:import).once
-      Hobo::VM.import
+        @vm.import
       end
 
       should "return the VM object" do
-      VirtualBox::VM.expects(:import).returns(@vm).once
+        VirtualBox::VM.expects(:import).returns(@mock_vm).once
-      assert_equal @vm, Hobo::VM.import
+        assert_equal @mock_vm, @vm.import
       end
     end
 
-  context "persisting VM" do
+    context "persisting" do
       should "persist the VM with Env" do
-      @vm.stubs(:uuid)
+        @mock_vm.stubs(:uuid)
-      Hobo::Env.expects(:persist_vm).with(@vm).once
+        Hobo::Env.expects(:persist_vm).with(@mock_vm).once
-      Hobo::VM.persist_vm(@vm)
+        @vm.persist
       end
     end
 
@@ -61,10 +75,10 @@ class VMTest < Test::Unit::TestCase
         nic = mock("nic")
         nic.expects(:macaddress=).once
 
-      @vm.expects(:nics).returns([nic]).once
+        @mock_vm.expects(:nics).returns([nic]).once
-      @vm.expects(:save).with(true).once
+        @mock_vm.expects(:save).with(true).once
 
-      Hobo::VM.setup_mac_address(@vm)
+        @vm.setup_mac_address
       end
     end
 
@@ -74,13 +88,14 @@ class VMTest < Test::Unit::TestCase
         # correct attributes
         forwarded_ports = mock("forwarded_ports")
         forwarded_ports.expects(:<<)
-      @vm.expects(:forwarded_ports).returns(forwarded_ports)
+        @mock_vm.expects(:forwarded_ports).returns(forwarded_ports)
-      @vm.expects(:save).with(true).once
+        @mock_vm.expects(:save).with(true).once
-      Hobo::VM.forward_ssh(@vm)
+        @vm.forward_ssh
       end
     end
 
     context "setting up the shared folder" do
       # TODO: Since the code actually doesn't do anything yet
     end
+  end
 end