k8s.io/apiserver@v0.31.1/pkg/server/options/serving_with_loopback_test.go (about) 1 /* 2 Copyright 2021 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package options 18 19 import ( 20 "net" 21 "testing" 22 23 "k8s.io/apiserver/pkg/server" 24 "k8s.io/client-go/rest" 25 netutils "k8s.io/utils/net" 26 ) 27 28 func TestEmptyMainCert(t *testing.T) { 29 secureServingInfo := &server.SecureServingInfo{} 30 var loopbackClientConfig *rest.Config 31 32 s := (&SecureServingOptions{ 33 BindAddress: netutils.ParseIPSloppy("127.0.0.1"), 34 }).WithLoopback() 35 ln, err := net.Listen("tcp", "127.0.0.1:0") 36 if err != nil { 37 t.Fatalf("failed to listen on 127.0.0.1:0") 38 } 39 defer ln.Close() 40 s.Listener = ln 41 s.BindPort = ln.Addr().(*net.TCPAddr).Port 42 43 if err := s.ApplyTo(&secureServingInfo, &loopbackClientConfig); err != nil { 44 t.Errorf("unexpected error: %v", err) 45 } 46 if loopbackClientConfig == nil { 47 t.Errorf("unexpected empty loopbackClientConfig") 48 } 49 if e, a := 1, len(secureServingInfo.SNICerts); e != a { 50 t.Errorf("expected %d SNICert, got %d", e, a) 51 } 52 }