feat: add framework function to check namespace

Signed-off-by: Luca Di Maio <[email protected]>

Author: 89luca89

e2e/framework/helper.go

@@ -62,6 +62,21 @@ func ExpectEmpty(actual interface{}, explain ...interface{}) {
 	gomega.ExpectWithOffset(1, actual).To(gomega.BeEmpty(), explain...)
 }
 
+func ExpectNamespace(namespace string) {
+	kubeClient, err := kube.NewKubeHelper()
+	ExpectNoErrorWithOffset(1, err)
+
+	err = wait.PollImmediate(time.Second, time.Minute*2, func() (done bool, err error) {
+		ns, err := kubeClient.Client().KubeClient().CoreV1().Namespaces().Get(context.TODO(), namespace, metav1.GetOptions{})
+		if err != nil {
+			return false, nil
+		}
+
+		return ns.Name == namespace, nil
+	})
+	ExpectNoErrorWithOffset(1, err)
+}
+
 func ExpectRemoteFileContents(imageSelector string, namespace string, filePath string, contents string) {
 	kubeClient, err := kube.NewKubeHelper()
 	ExpectNoErrorWithOffset(1, err)