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bench_test.go
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bench_test.go
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package httpsnoop
import (
"net/http"
"net/http/httptest"
"testing"
)
func BenchmarkBaseline(b *testing.B) {
benchmark(b, false)
}
func BenchmarkCaptureMetrics(b *testing.B) {
benchmark(b, true)
}
func BenchmarkWrap(b *testing.B) {
b.StopTimer()
doneCh := make(chan struct{}, 1)
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b.StartTimer()
for i := 0; i < b.N; i++ {
Wrap(w, Hooks{})
}
doneCh <- struct{}{}
})
s := httptest.NewServer(h)
defer s.Close()
if _, err := http.Get(s.URL); err != nil {
b.Fatal(err)
}
<-doneCh
}
func benchmark(b *testing.B, captureMetrics bool) {
b.StopTimer()
dummyH := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
h := dummyH
if captureMetrics {
h = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
CaptureMetrics(dummyH, w, r)
})
}
s := httptest.NewServer(h)
defer s.Close()
b.StartTimer()
for i := 0; i < b.N; i++ {
_, err := http.Get(s.URL)
if err != nil {
b.Fatal(err)
}
}
}