From 06346de0bbf58ad862b4ec6ec0bc197e8b2527ae Mon Sep 17 00:00:00 2001
From: Stephen Heywood <stephen@ii.coop>
Date: Mon, 15 Aug 2022 10:14:33 +1200
Subject: [PATCH] Create e2e test for endpoint: replaceCoreV1Namespace

---
 test/e2e/apimachinery/namespace.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/test/e2e/apimachinery/namespace.go b/test/e2e/apimachinery/namespace.go
index 76ab40bd25b..6c2c6894616 100644
--- a/test/e2e/apimachinery/namespace.go
+++ b/test/e2e/apimachinery/namespace.go
@@ -355,6 +355,26 @@ var _ = SIGDescribe("Namespaces [Serial]", func() {
 		framework.ExpectEqual(statusUpdated.Status.Conditions[len(statusUpdated.Status.Conditions)-1].Message, "Updated by an e2e test", "The Message returned was %v", statusUpdated.Status.Conditions[0].Message)
 		framework.Logf("Status.Condition: %#v", statusUpdated.Status.Conditions[len(statusUpdated.Status.Conditions)-1])
 	})
+
+	ginkgo.It("should apply an update to a Namespace", func() {
+		var err error
+		var updatedNamespace *v1.Namespace
+		ns := f.Namespace.Name
+		cs := f.ClientSet
+
+		ginkgo.By(fmt.Sprintf("Updating Namespace %q", ns))
+		err = retry.RetryOnConflict(retry.DefaultRetry, func() error {
+			updatedNamespace, err = cs.CoreV1().Namespaces().Get(context.TODO(), ns, metav1.GetOptions{})
+			framework.ExpectNoError(err, "Unable to get Namespace %q", ns)
+
+			updatedNamespace.Labels[ns] = "updated"
+			updatedNamespace, err = cs.CoreV1().Namespaces().Update(context.TODO(), updatedNamespace, metav1.UpdateOptions{})
+			return err
+		})
+		framework.ExpectNoError(err, "failed to update Namespace: %q", ns)
+		framework.ExpectEqual(updatedNamespace.ObjectMeta.Labels[ns], "updated", "Failed to update namespace %q. Current Labels: %#v", ns, updatedNamespace.Labels)
+		framework.Logf("Namespace %q now has labels, %#v", ns, updatedNamespace.Labels)
+	})
 })
 
 func unstructuredToNamespace(obj *unstructured.Unstructured) (*v1.Namespace, error) {