From 79257c35dd701632b0a95d069c01bc295306c573 Mon Sep 17 00:00:00 2001
From: Paulo Henrique Lopes Ribeiro <plribeiro@zertico.com>
Date: Tue, 9 Sep 2014 16:13:20 -0300
Subject: [PATCH] Removing default value of device in Vif

---
 lib/fog/compute/xen_server/models/vif.rb      |  9 ++----
 .../fog/compute/xen_server/models/vif_spec.rb | 30 ++-----------------
 2 files changed, 5 insertions(+), 34 deletions(-)

diff --git a/lib/fog/compute/xen_server/models/vif.rb b/lib/fog/compute/xen_server/models/vif.rb
index 9b0b961..4e3f0ec 100644
--- a/lib/fog/compute/xen_server/models/vif.rb
+++ b/lib/fog/compute/xen_server/models/vif.rb
@@ -14,7 +14,7 @@ class Vif < Fog::Model
           attribute :allowed_operations
           attribute :current_operations
           attribute :currently_attached
-          attribute :device,                                                :default => -1
+          attribute :device
           attribute :ipv4_allowed
           attribute :ipv6_allowed
           attribute :locking_mode
@@ -34,15 +34,10 @@ class Vif < Fog::Model
           has_one_identity   :network,   :networks
           has_one_identity   :vm,        :servers,          :aliases => :VM,  :as => :VM
 
-          require_before_save :server, :network
+          require_before_save :server, :network, :device
 
           alias_method :server, :vm
 
-          def save
-            set_device_number
-            super
-          end
-
           def set_device_number
             return device unless device == -1
             devices = vm.vifs.map(&:device)
diff --git a/spec/fog/compute/xen_server/models/vif_spec.rb b/spec/fog/compute/xen_server/models/vif_spec.rb
index b92464b..6b30ead 100644
--- a/spec/fog/compute/xen_server/models/vif_spec.rb
+++ b/spec/fog/compute/xen_server/models/vif_spec.rb
@@ -85,41 +85,17 @@ def self.read_identity
                                  :VM => :vm)
   end
 
-  it 'should have 7 default values' do
+  it 'should have 6 default values' do
     vif_class.default_values.must_equal(:mac => '',
                                         :mac_autogenerated => 'True',
-                                        :device => -1,
                                         :mtu => '0',
                                         :other_config => {},
                                         :qos_algorithm_params => {},
                                         :qos_algorithm_type => 'ratelimit')
   end
 
-  it 'should require 2 attributes before save' do
-    vif_class.require_before_save.must_equal([ :server, :network ])
-  end
-
-  describe '#save' do
-    before :each do
-      def vif.set_device_number; @device = 23 end
-      def vif.require_creation_attributes; @required = true end
-      def service.create_vif(attributes); @created = true end
-      vif.stub(:service, service) do
-        vif.save
-      end
-    end
-
-    it 'should set the device number' do
-      vif.instance_variable_get(:@device).must_equal(23)
-    end
-
-    it 'should check for the required attributes' do
-      vif.instance_variable_get(:@required).must_equal(true)
-    end
-
-    it 'should create the vif' do
-      service.instance_variable_get(:@created).must_equal(true)
-    end
+  it 'should require 3 attributes before save' do
+    vif_class.require_before_save.must_equal([ :server, :network, :device ])
   end
 
   describe '#set_device_number' do