box remove subcommand

lib/vagrant/commands/box/remove.rb

@@ -0,0 +1,31 @@
+module Vagrant
+  class Commands
+    # Removes a box permanently from the hard drive.
+    module Box
+      class Remove < BoxCommand
+        BoxCommand.subcommand "remove", self
+        description "Remove an installed box permanently."
+
+        def execute(args=[])
+          if args.length != 1
+            show_help
+            return
+          end
+
+
+          box = Vagrant::Box.find(env, args[0])
+          if box.nil?
+            error_and_exit(:box_remove_doesnt_exist)
+            return # for tests
+          end
+
+          box.destroy
+        end
+
+        def options_spec(opts)
+          opts.banner = "Usage: vagrant box remove NAME"
+        end
+      end
+    end
+  end
+end

test/vagrant/commands/box/remove_test.rb

@@ -0,0 +1,41 @@
+require File.join(File.dirname(__FILE__), '..', '..', '..', 'test_helper')
+
+class CommandsBoxRemoveTest < Test::Unit::TestCase
+  setup do
+    @klass = Vagrant::Commands::Box::Remove
+
+    @persisted_vm = mock("persisted_vm")
+    @persisted_vm.stubs(:execute!)
+
+    @env = mock_environment
+    @env.stubs(:require_persisted_vm)
+    @env.stubs(:vm).returns(@persisted_vm)
+
+    @instance = @klass.new(@env)
+  end
+
+  context "executing" do
+    setup do
+      @name = "foo"
+    end
+
+    should "show help if not enough arguments" do
+      Vagrant::Box.expects(:find).never
+      @instance.expects(:show_help).once
+      @instance.execute([])
+    end
+
+    should "error and exit if the box doesn't exist" do
+      Vagrant::Box.expects(:find).returns(nil)
+      @instance.expects(:error_and_exit).with(:box_remove_doesnt_exist).once
+      @instance.execute([@name])
+    end
+
+    should "call destroy on the box if it exists" do
+      @box = mock("box")
+      Vagrant::Box.expects(:find).with(@env, @name).returns(@box)
+      @box.expects(:destroy).once
+      @instance.execute([@name])
+    end
+  end
+end