Add FindRoleBinding function to utils for role binding retrieval

Author: jorge-romero

tests/utils/projects.go

@@ -2,7 +2,9 @@ package utils
 
 import (
 	"fmt"
+
 	v1 "github.com/openshift/api/project/v1"
+	rbacv1 "k8s.io/api/rbac/v1"
 )
 
 func FindProject(projects *v1.ProjectList, projectName string) error {
@@ -13,3 +15,17 @@ func FindProject(projects *v1.ProjectList, projectName string) error {
 	}
 	return fmt.Errorf("Project '%s' not found", projectName)
 }
+
+func FindRoleBinding(roleBindings *rbacv1.RoleBindingList, subjectName, subjectType, namespace, roleName string) error {
+	for _, roleBinding := range roleBindings.Items {
+		for _, subject := range roleBinding.Subjects {
+			if subject.Name == subjectName && subject.Kind == subjectType && roleBinding.RoleRef.Name == roleName {
+				// For ClusterRoleBindings or in the case of Groups with no namespace, namespace can be empty
+				if namespace == "" || subject.Namespace == namespace {
+					return nil
+				}
+			}
+		}
+	}
+	return fmt.Errorf("RoleBinding not found: subjectName=%s, subjectType=%s, namespace=%s, roleName=%s", subjectName, subjectType, namespace, roleName)
+}