Fix unit test

Signed-off-by: Rizwana777 <rizwananaaz177@gmail.com>

controllers/argocd/route.go

@@ -389,6 +389,11 @@ func shortenHostname(hostname string) (string, error) {
 	// Check and truncate the FIRST label if longer than 63 characters
 	if len(labels[0]) > 63 {
 		labels[0] = labels[0][:63]
+
+		// Check if the FIRST label is < 20 after truncating and return an error if true
+		if len(labels[0]) < 20 {
+			return "", fmt.Errorf("first label length is less than 20 characters")
+		}
 	}
 
 	// Check other labels and return an error if any is longer than 63 characters
@@ -402,14 +407,9 @@ func shortenHostname(hostname string) (string, error) {
 	resultHostname := strings.Join(labels, ".")
 
 	// Check and shorten the overall hostname if > 253 characters
-	if len(resultHostname) > 255 {
+	if len(resultHostname) > 253 {
 		resultHostname = resultHostname[:253]
 	}
 
-	// Check if the FIRST label is < 20 and return an error if true
-	if len(labels[0]) < 20 {
-		return "", fmt.Errorf("first label length is less than 20 characters")
-	}
-
 	return resultHostname, nil
 }

controllers/argocd/route_test.go

@@ -213,17 +213,20 @@ func TestReconcileRouteUnsetsInsecure(t *testing.T) {
 	}
 }
 
-func TestReconcileRoute(t *testing.T) {
+func TestReconcileRouteForShorteningHostname(t *testing.T) {
 	routeAPIFound = true
 	ctx := context.Background()
 	logf.SetLogger(ZapLogger(true))
+	hostname := "myhostnameaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.redhat.com"
 	argoCD := makeArgoCD(func(a *argoproj.ArgoCD) {
 		a.Spec.Server.Route.Enabled = true
+		a.Spec.Server.Host = hostname
 		a.Spec.ApplicationSet = &argoproj.ArgoCDApplicationSet{
 			WebhookServer: argoproj.WebhookServerSpec{
 				Route: argoproj.ArgoCDRouteSpec{
 					Enabled: true,
 				},
+				Host: hostname,
 			},
 		}
 	})
@@ -234,18 +237,7 @@ func TestReconcileRoute(t *testing.T) {
 	sch := makeTestReconcilerScheme(argoproj.AddToScheme, configv1.Install, routev1.Install)
 	cl := makeTestReconcilerClient(sch, resObjs, subresObjs, runtimeObjs)
 	r := makeTestReconciler(cl, sch)
-	name := "argocd-applicationset-controller-webhook"
-	route := &routev1.Route{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      name,
-			Namespace: testNamespace,
-		},
-		Spec: routev1.RouteSpec{
-			Host: name + "-openshift-gitops.apps-crc.testing",
-		},
-	}
-	err := r.Client.Create(context.TODO(), route)
-	assert.NoError(t, err)
+
 	assert.NoError(t, createNamespace(r, argoCD.Namespace, ""))
 
 	req := reconcile.Request{
@@ -255,15 +247,15 @@ func TestReconcileRoute(t *testing.T) {
 		},
 	}
 
-	_, err = r.Reconcile(context.TODO(), req)
+	_, err := r.Reconcile(context.TODO(), req)
 	assert.NoError(t, err)
 
 	loaded := &routev1.Route{}
-	err = r.Client.Get(ctx, types.NamespacedName{Name: name, Namespace: testNamespace}, loaded)
-	fatalIfError(t, err, "failed to load route %q: %s", name, err)
+	err = r.Client.Get(ctx, types.NamespacedName{Name: testArgoCDName + "-server", Namespace: testNamespace}, loaded)
+	fatalIfError(t, err, "failed to load route %q: %s", testArgoCDName+"-server", err)
 
 	wantRoute := &routev1.RouteSpec{
-		Host: "argocd-applicationset-controller-webhook-openshift-gitops.apps-",
+		Host: "myhostnameaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 	}
 
 	if diff := cmp.Diff(wantRoute.Host, loaded.Spec.Host); diff != "" {