49 lines
901 B
Go
49 lines
901 B
Go
// Copyright (c) 2013-2014 The btcsuite developers
|
|
// Use of this source code is governed by an ISC
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package legacyrpc
|
|
|
|
import (
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func TestThrottle(t *testing.T) {
|
|
const threshold = 1
|
|
busy := make(chan struct{})
|
|
|
|
srv := httptest.NewServer(throttledFn(threshold,
|
|
func(w http.ResponseWriter, r *http.Request) {
|
|
<-busy
|
|
}),
|
|
)
|
|
|
|
codes := make(chan int, 2)
|
|
for i := 0; i < cap(codes); i++ {
|
|
go func() {
|
|
res, err := http.Get(srv.URL)
|
|
if err != nil {
|
|
t.Log(err)
|
|
return
|
|
}
|
|
codes <- res.StatusCode
|
|
}()
|
|
}
|
|
|
|
got := make(map[int]int, cap(codes))
|
|
for i := 0; i < cap(codes); i++ {
|
|
got[<-codes]++
|
|
|
|
if i == 0 {
|
|
close(busy)
|
|
}
|
|
}
|
|
|
|
want := map[int]int{200: 1, 429: 1}
|
|
if !reflect.DeepEqual(want, got) {
|
|
t.Fatalf("status codes: want: %v, got: %v", want, got)
|
|
}
|
|
}
|