diff --git a/cmd/kubeadm/test/cmd/config_test.go b/cmd/kubeadm/test/cmd/config_test.go new file mode 100644 index 00000000000..6a3542cbc1f --- /dev/null +++ b/cmd/kubeadm/test/cmd/config_test.go @@ -0,0 +1,57 @@ +/* +Copyright 2023 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package kubeadm + +import ( + "strings" + "testing" +) + +func TestCmdConfigImagesList(t *testing.T) { + var tests = []struct { + name string + args string + expected bool + }{ + { + name: "valid: latest stable Kubernetes version should not throw the warning that a supported etcd version cannot be found", + args: "--kubernetes-version=stable-1", + expected: false, + }, + } + + kubeadmPath := getKubeadmPath() + for _, rt := range tests { + t.Run(rt.name, func(t *testing.T) { + _, stderr, _, err := RunCmd(kubeadmPath, "config", "images", "list", "--v=1", rt.args) + if err != nil { + t.Fatalf("failed to run 'kubeadm config images list --v=1 %s', err: %v", rt.args, err) + } + actual := strings.Contains(stderr, "could not find officially supported version of etcd") + if actual != rt.expected { + t.Errorf( + "failed CmdConfigImagesList running 'kubeadm config images list --v=1 %s' with stderr output:\n%v\n\t expected: %t\n\t actual: %t\n\n"+ + "FYI: This usually indicates that the 'SupportedEtcdVersion' map defined in 'cmd/kubeadm/app/constants/constants.go' needs to be updated.\n", + rt.args, + stderr, + rt.expected, + actual, + ) + } + }) + } +}