From 1a69fd4cb0db669205e43dcaba81c1eee61fe24d Mon Sep 17 00:00:00 2001
From: "xin.li" <xin.li@daocloud.io>
Date: Mon, 8 Jan 2024 19:45:42 +0800
Subject: [PATCH] kubeadm: increase ut coverage app/componentconfigs

Signed-off-by: xin.li <xin.li@daocloud.io>
---
 .../app/componentconfigs/utils_test.go        | 93 +++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 cmd/kubeadm/app/componentconfigs/utils_test.go

diff --git a/cmd/kubeadm/app/componentconfigs/utils_test.go b/cmd/kubeadm/app/componentconfigs/utils_test.go
new file mode 100644
index 00000000000..e43597e209e
--- /dev/null
+++ b/cmd/kubeadm/app/componentconfigs/utils_test.go
@@ -0,0 +1,93 @@
+/*
+Copyright 2024 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 componentconfigs
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func TestUnsupportedConfigVersionsError(t *testing.T) {
+	tests := []struct {
+		name         string
+		errs         UnsupportedConfigVersionsErrorMap
+		wantError    string
+		wantErrorMap string
+	}{
+		{
+			name: "only one error",
+			errs: UnsupportedConfigVersionsErrorMap{
+				"foo": &UnsupportedConfigVersionError{
+					OldVersion: schema.GroupVersion{
+						Group:   "admissionregistration.k8s.io",
+						Version: "v1beta1",
+					},
+					CurrentVersion: schema.GroupVersion{
+						Group:   "admissionregistration.k8s.io",
+						Version: "v1",
+					},
+				},
+			},
+			wantError:    "unsupported apiVersion \"admissionregistration.k8s.io/v1beta1\", you may have to do manual conversion to \"admissionregistration.k8s.io/v1\" and run kubeadm again",
+			wantErrorMap: "multiple unsupported config version errors encountered:\n\t- unsupported apiVersion \"admissionregistration.k8s.io/v1beta1\", you may have to do manual conversion to \"admissionregistration.k8s.io/v1\" and run kubeadm again",
+		},
+		{
+			name: "multiple errors",
+			errs: UnsupportedConfigVersionsErrorMap{
+				"err1": &UnsupportedConfigVersionError{
+					OldVersion: schema.GroupVersion{
+						Group:   "admissionregistration.k8s.io",
+						Version: "v1beta1",
+					},
+					CurrentVersion: schema.GroupVersion{
+						Group:   "admissionregistration.k8s.io",
+						Version: "v1",
+					},
+				},
+				"err2": &UnsupportedConfigVersionError{
+					OldVersion: schema.GroupVersion{
+						Group:   "node.k8s.io",
+						Version: "v1beta1",
+					},
+					CurrentVersion: schema.GroupVersion{
+						Group:   "node.k8s.io",
+						Version: "v1",
+					},
+				},
+			},
+			wantErrorMap: "multiple unsupported config version errors encountered:" +
+				"\n\t- unsupported apiVersion \"admissionregistration.k8s.io/v1beta1\", you may have to do manual conversion to \"admissionregistration.k8s.io/v1\" and run kubeadm again" +
+				"\n\t- unsupported apiVersion \"node.k8s.io/v1beta1\", you may have to do manual conversion to \"node.k8s.io/v1\" and run kubeadm again",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.errs.Error(); got != tt.wantErrorMap {
+				t.Errorf("UnsupportedConfigVersionsErrorMap.Error() = %v\n, want %v", got, tt.wantErrorMap)
+			}
+			if tt.wantError != "" {
+				for _, err := range tt.errs {
+					if got := err.Error(); got != tt.wantError {
+						t.Errorf("UnsupportedConfigVersionError.Error() = %v\n, want %v", got, tt.wantError)
+						break
+					}
+				}
+			}
+		})
+	}
+}