From 1eec428bf7fcaaa8505a50851436f7d2d4b0982c Mon Sep 17 00:00:00 2001
From: Eric Bailey <eric@ericb.me>
Date: Mon, 4 Mar 2024 15:49:02 +0100
Subject: [PATCH] chore(ingress): add test with invalid hostname

---
 source/ingress_test.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/source/ingress_test.go b/source/ingress_test.go
index 2be3eddfd0..6198f577b2 100644
--- a/source/ingress_test.go
+++ b/source/ingress_test.go
@@ -264,6 +264,13 @@ func testEndpointsFromIngress(t *testing.T) {
 			expected:               []*endpoint.Endpoint{},
 			ignoreIngressRulesSpec: true,
 		},
+		{
+			title: "invalid hostname does not generate endpoints",
+			ingress: fakeIngress{
+				dnsnames:  []string{"this-is-an-exceedingly-long-label-that-external-dns-should-reject.example.org"},
+			},
+			expected: []*endpoint.Endpoint{},
+		},
 	} {
 		t.Run(ti.title, func(t *testing.T) {
 			realIngress := ti.ingress.Ingress()