/* Copyright 2018 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 config import ( "os" "path/filepath" "testing" "github.com/lithammer/dedent" ) func TestLoadJoinConfigurationFromFile(t *testing.T) { // Create temp folder for the test case tmpdir, err := os.MkdirTemp("", "") if err != nil { t.Fatalf("Couldn't create tmpdir: %v", err) } defer os.RemoveAll(tmpdir) // cfgFiles is in cluster_test.go var tests = []struct { name string fileContents string expectErr bool }{ { name: "empty file causes error", expectErr: true, }, { name: "Invalid v1beta3 causes error", fileContents: dedent.Dedent(` apiVersion: kubeadm.k8s.io/v1beta3 kind: JoinConfiguration `), expectErr: true, }, { name: "valid v1beta3 is loaded", fileContents: dedent.Dedent(` apiVersion: kubeadm.k8s.io/v1beta3 kind: JoinConfiguration caCertPath: /etc/kubernetes/pki/ca.crt nodeRegistration: criSocket: "unix:///var/run/unknown.sock" discovery: bootstrapToken: apiServerEndpoint: kube-apiserver:6443 token: abcdef.0123456789abcdef unsafeSkipCAVerification: true timeout: 5m0s tlsBootstrapToken: abcdef.0123456789abcdef `), }, } for _, rt := range tests { t.Run(rt.name, func(t2 *testing.T) { cfgPath := filepath.Join(tmpdir, rt.name) err := os.WriteFile(cfgPath, []byte(rt.fileContents), 0644) if err != nil { t.Errorf("Couldn't create file: %v", err) return } opts := LoadOrDefaultConfigurationOptions{ SkipCRIDetect: true, } obj, err := LoadJoinConfigurationFromFile(cfgPath, opts) if rt.expectErr { if err == nil { t.Error("Unexpected success") } } else { if err != nil { t.Errorf("Error reading file: %v", err) return } if obj == nil { t.Error("Unexpected nil return value") } } }) } }