added tests

Author: mfaizanse

pkg/config/config.go

@@ -13,8 +13,8 @@ import (
 const (
 	ClusterProviderKubeConfig  = "kubeconfig"
 	ClusterProviderInCluster   = "in-cluster"
-	ClusterProviderDisabled    = "disabled"
 	ClusterProviderAuthHeaders = "auth-headers"
+	ClusterProviderDisabled    = "disabled"
 )
 
 // StaticConfig is the configuration for the server.

pkg/kubernetes/auth_headers.go

@@ -101,7 +101,7 @@ func (h *K8sAuthHeaders) IsValid() bool {
 	if h.AuthorizationToken != "" {
 		return true
 	}
-	if h.ClientCertificateData != nil && h.ClientKeyData != nil {
+	if len(h.ClientCertificateData) > 0 && len(h.ClientKeyData) > 0 {
 		return true
 	}
 	return false