go http_test 源码
golang http_test 代码
文件路径：/test/bench/go1/http_test.go
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package go1
import (
"bytes"
"io"
"net/http"
"net/http/httptest"
"testing"
)
// BenchmarkHTTPClientServer benchmarks both the HTTP client and the HTTP server,
// on small requests.
func BenchmarkHTTPClientServer(b *testing.B) {
msg := []byte("Hello world.\n")
ts := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.Write(msg)
}))
defer ts.Close()
tr := &http.Transport{}
defer tr.CloseIdleConnections()
cl := &http.Client{
Transport: tr,
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
res, err := cl.Get(ts.URL)
if err != nil {
b.Fatal("Get:", err)
}
all, err := io.ReadAll(res.Body)
if err != nil {
b.Fatal("ReadAll:", err)
}
if !bytes.Equal(all, msg) {
b.Fatalf("Got body %q; want %q", all, msg)
}
}
}
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