[ibm] Add state/ready? methods for Address

lib/fog/ibm/models/compute/address.rb

@@ -5,6 +5,17 @@ module Fog
     class IBM
       class Address < Fog::Model
 
+        STATES = {
+          0 => 'New',
+          1 => 'Allocating',
+          2 => 'Free',
+          3 => 'Attached',
+          4 => 'Releasing',
+          5 => 'Released',
+          6 => 'Failed',
+          7 => 'Release pending',
+        }
+
         identity :id
 
         attribute :type
@@ -33,6 +44,14 @@ module Fog
           true
         end
 
+        def state
+          STATES[attributes[:state]]
+        end
+
+        def ready?
+          state == 'Free' || state == 'Released'
+        end
+
         def destroy
           requires :id
           connection.delete_address(id).body['success']

tests/ibm/requests/compute/address_tests.rb

@@ -35,6 +35,7 @@ Shindo.tests('Fog::Compute[:ibm] | address requests', ['ibm']) do
     end
 
     tests("#delete_address('#{@address_id}')") do
+      Fog::Compute[:ibm].addresses.get(@address_id).wait_for { ready? }
       returns(true) { Fog::Compute[:ibm].delete_address(@address_id).body['success'] }
     end