[xenserver] Added HostMetrics tests

tests/xenserver/models/compute/host_metrics_tests.rb

@@ -0,0 +1,48 @@
+Shindo.tests('Fog::Compute[:xenserver] | PBD model', ['xenserver']) do
+
+  host = Fog::Compute[:xenserver].hosts.first
+
+  tests('The HostMetrics model should') do
+    tests('have attributes') do
+      model_attribute_hash = host.metrics.attributes
+      attributes = [ 
+        :reference,
+        :uuid,
+        :memory_free,
+        :memory_total,
+        :other_config,
+        :last_updated
+      ]
+      tests("The HostMetrics model should respond to") do
+        attributes.each do |attribute|
+          test("#{attribute}") { host.metrics.respond_to? attribute }
+        end
+      end
+      tests("The attributes hash should have key") do
+        attributes.each do |attribute|
+          test("#{attribute}") { model_attribute_hash.has_key? attribute }
+        end
+      end
+    end
+
+    test('be a kind of Fog::Compute::XenServer::HostMetrics') do
+      host.metrics.kind_of? Fog::Compute::XenServer::HostMetrics
+    end
+
+    test("have a last_updated Time property") { host.metrics.last_updated.kind_of? Time }
+    
+    test("return a valid memory_free ammount") do 
+      (host.metrics.memory_free =~ /^\d+$/) == 0 
+    end
+
+    test("have memory_free > 0") { host.metrics.memory_free.to_i > 0 }
+    
+    test("return a valid memory_total ammount") do
+      (host.metrics.memory_total =~ /^\d+$/) == 0 
+    end
+    
+    test("have memory_total > 0") { host.metrics.memory_total.to_i > 0 }
+
+  end
+
+end

tests/xenserver/models/compute/host_tests.rb

@@ -19,7 +19,7 @@ Shindo.tests('Fog::Compute[:xenserver] | host model', ['xenserver']) do
         :allowed_operations,
         :enabled,
         :hostname,
-        :metrics,
+        :__metrics,
         :name_description,
         :other_config,
         :__pbds,
@@ -61,6 +61,9 @@ Shindo.tests('Fog::Compute[:xenserver] | host model', ['xenserver']) do
           test("and each Server should be a Fog::Compute::XenServer::Server") { i.kind_of? Fog::Compute::XenServer::Server}
       } 
     end
+    tests("return valid HostMetrics") do
+      test("object") { host.metrics.kind_of? Fog::Compute::XenServer::HostMetrics }
+    end
 
   end