[openstack|identity] Update User Role Membership Mocks

Signed-off-by: Nelvin Driz <nelvindriz@live.com>

lib/fog/openstack/identity.rb

@@ -73,6 +73,7 @@ module Fog
           @roles           ||= {}
           @tenants         ||= {}
           @ec2_credentials ||= Hash.new { |hash, key| hash[key] = {} }
+          @user_tenant_membership ||= {}
 
           @data ||= Hash.new do |hash, key|
             hash[key] = {
@@ -80,6 +81,7 @@ module Fog
               :roles           => @roles,
               :tenants         => @tenants,
               :ec2_credentials => @ec2_credentials,
+              :user_tenant_membership => @user_tenant_membership
             }
           end
         end

lib/fog/openstack/requests/identity/add_user_to_tenant.rb

@@ -13,12 +13,17 @@ module Fog
 
       class Mock
         def add_user_to_tenant(tenant_id, user_id, role_id)
+          role = self.data[:roles][role_id]
+          self.data[:user_tenant_membership][tenant_id] ||= {}
+          self.data[:user_tenant_membership][tenant_id][user_id] ||= []
+          self.data[:user_tenant_membership][tenant_id][user_id].push(role['id']).uniq!
+
           response = Excon::Response.new
           response.status = 200
           response.body = {
             'role' => {
-              'id' => '503df61a99d6461fb247cdb6a3f3a4dd',
-              'name' => 'admin'
+              'id'   => role['id'],
+              'name' => role['name']
             }
           }
           response

lib/fog/openstack/requests/identity/create_role.rb

@@ -21,7 +21,7 @@ module Fog
       class Mock
         def create_role(name)
           data = {
-            'id'   => Fog::Mock.random_base64(64),
+            'id'   => Fog::Mock.random_hex(32),
             'name' => name
           }
           self.data[:roles][data['id']] = data

lib/fog/openstack/requests/identity/list_roles_for_user_on_tenant.rb

@@ -13,8 +13,14 @@ module Fog
 
       class Mock
         def list_roles_for_user_on_tenant(tenant_id, user_id)
+          self.data[:user_tenant_membership][tenant_id] ||= {}
+          self.data[:user_tenant_membership][tenant_id][user_id] ||= []
+          roles = self.data[:user_tenant_membership][tenant_id][user_id].map do |role_id|
+            self.data[:roles][role_id]
+          end
+
           Excon::Response.new(
-            :body   => { 'roles' => self.data[:roles].values },
+            :body   => { 'roles' => roles },
             :status => 200
           )
         end # def list_roles_for_user_on_tenant

tests/openstack/requests/identity/role_tests.rb

@@ -1,5 +1,4 @@
 Shindo.tests('Fog::Identity[:openstack] | role requests', ['openstack']) do
-
   @role_format = {
     'id'   => String,
     'name' => String