integration: test domain name URLs are rejected before binding

integration/embed_test.go

@@ -40,6 +40,8 @@ func TestEmbedEtcd(t *testing.T) {
 		{wpeers: 1, wclients: 1},
 		{wpeers: 2, wclients: 1},
 		{wpeers: 1, wclients: 2},
+		{werr: "expected IP"},
+		{werr: "expected IP"},
 	}
 
 	urls := newEmbedURLs(10)
@@ -58,6 +60,10 @@ func TestEmbedEtcd(t *testing.T) {
 	setupEmbedCfg(&tests[5].cfg, []url.URL{urls[4]}, []url.URL{urls[5], urls[6]})
 	setupEmbedCfg(&tests[6].cfg, []url.URL{urls[7], urls[8]}, []url.URL{urls[9]})
 
+	dnsURL, _ := url.Parse("http://whatever.test:12345")
+	tests[7].cfg.LCUrls = []url.URL{*dnsURL}
+	tests[8].cfg.LPUrls = []url.URL{*dnsURL}
+
 	dir := path.Join(os.TempDir(), fmt.Sprintf("embed-etcd"))
 	os.RemoveAll(dir)
 	defer os.RemoveAll(dir)