linkerd2/controller/webhook/server_test.go

57 lines
1.3 KiB
Go

package webhook
import (
"bytes"
"context"
"net/http"
"net/http/httptest"
"reflect"
"testing"
"time"
"github.com/linkerd/linkerd2/controller/k8s"
)
func TestServe(t *testing.T) {
t.Run("with empty http request body", func(t *testing.T) {
k8sAPI, err := k8s.NewFakeAPI()
if err != nil {
panic(err)
}
testServer := &Server{nil, k8sAPI, nil}
in := bytes.NewReader(nil)
request := httptest.NewRequest(http.MethodGet, "/", in)
recorder := httptest.NewRecorder()
testServer.serve(recorder, request)
if recorder.Code != http.StatusOK {
t.Errorf("HTTP response status mismatch. Expected: %d. Actual: %d", http.StatusOK, recorder.Code)
}
if reflect.DeepEqual(recorder.Body.Bytes(), []byte("")) {
t.Errorf("Content mismatch. Expected HTTP response body to be empty %v", recorder.Body.Bytes())
}
})
}
func TestShutdown(t *testing.T) {
server := &http.Server{Addr: ":0"}
testServer := &Server{server, nil, nil}
go func() {
if err := testServer.ListenAndServe(); err != nil {
if err != http.ErrServerClosed {
t.Errorf("Expected server to be gracefully shutdown with error: %q", http.ErrServerClosed)
}
}
}()
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := testServer.Shutdown(ctx); err != nil {
t.Fatal("Unexpected error: ", err)
}
}