44 lines
751 B
Go
44 lines
751 B
Go
package wallet
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import (
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"github.com/p9c/p9/pkg/qu"
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)
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func TestThrottle(t *testing.T) {
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const threshold = 1
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busy := qu.T()
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srv := httptest.NewServer(
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ThrottledFn(threshold,
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func(w http.ResponseWriter, r *http.Request) {
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<-busy
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},
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),
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)
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codes := make(chan int, 2)
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for i := 0; i < cap(codes); i++ {
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go func() {
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res, e := http.Get(srv.URL)
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if e != nil {
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t.Fatal(e)
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}
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codes <- res.StatusCode
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}()
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}
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got := make(map[int]int, cap(codes))
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for i := 0; i < cap(codes); i++ {
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got[<-codes]++
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if i == 0 {
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busy.Q()
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}
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}
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want := map[int]int{200: 1, 429: 1}
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if !reflect.DeepEqual(want, got) {
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t.Fatalf("status codes: want: %v, got: %v", want, got)
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}
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}
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