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/*
Copyright 2022 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 kubernetes_test
import (
"context"
"net/http"
"net/http/httptest"
"testing"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
)
func TestClientUserAgent(t *testing.T) {
tests := []struct {
name string
userAgent string
expect string
}{
{
name: "empty",
expect: rest.DefaultKubernetesUserAgent(),
},
{
name: "custom",
userAgent: "test-agent",
expect: "test-agent",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
userAgent := r.Header.Get("User-Agent")
if userAgent != tc.expect {
t.Errorf("User Agent expected: %s got: %s", tc.expect, userAgent)
http.Error(w, "Unexpected user agent", http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write([]byte("{}"))
}))
ts.Start()
defer ts.Close()
gv := v1.SchemeGroupVersion
config := &rest.Config{
Host: ts.URL,
}
config.GroupVersion = &gv
config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
config.UserAgent = tc.userAgent
config.ContentType = "application/json"
client, err := kubernetes.NewForConfig(config)
if err != nil {
t.Fatalf("failed to create REST client: %v", err)
}
_, err = client.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Error(err)
}
_, err = client.CoreV1().Secrets("").List(context.TODO(), metav1.ListOptions{})
if err != nil {
t.Error(err)
}
})
}
}
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