Delegates and unit tests for identity/extensions.
diff --git a/acceptance/rackspace/identity/v2/identity_test.go b/acceptance/rackspace/identity/v2/identity_test.go
new file mode 100644
index 0000000..019a9e6
--- /dev/null
+++ b/acceptance/rackspace/identity/v2/identity_test.go
@@ -0,0 +1,51 @@
+// +build acceptance
+
+package v2
+
+import (
+	"os"
+	"testing"
+
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/rackspace"
+	th "github.com/rackspace/gophercloud/testhelper"
+)
+
+func rackspaceAuthOptions(t *testing.T) gophercloud.AuthOptions {
+	// Obtain credentials from the environment.
+	options := gophercloud.AuthOptions{
+		Username: os.Getenv("RS_USERNAME"),
+		APIKey:   os.Getenv("RS_APIKEY"),
+	}
+
+	if options.Username == "" {
+		t.Fatal("Please provide a Rackspace username as RS_USERNAME.")
+	}
+	if options.APIKey == "" {
+		t.Fatal("Please provide a Rackspace API key as RS_APIKEY.")
+	}
+
+	return options
+}
+
+func createClient(t *testing.T, auth bool) *gophercloud.ServiceClient {
+	ao := rackspaceAuthOptions(t)
+
+	provider, err := rackspace.NewClient(ao.IdentityEndpoint)
+	th.AssertNoErr(t, err)
+
+	if auth {
+		err = rackspace.Authenticate(provider, ao)
+		th.AssertNoErr(t, err)
+	}
+
+	return rackspace.NewIdentityV2(provider)
+}
+
+func unauthenticatedClient(t *testing.T) *gophercloud.ServiceClient {
+	return createClient(t, false)
+}
+
+func authenticatedClient(t *testing.T) *gophercloud.ServiceClient {
+	return createClient(t, true)
+}