Move code to pkg

pkg/server/service/proxy_test.go

@@ -0,0 +1,37 @@
+package service
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/containous/traefik/pkg/testhelpers"
+)
+
+type staticTransport struct {
+	res *http.Response
+}
+
+func (t *staticTransport) RoundTrip(r *http.Request) (*http.Response, error) {
+	return t.res, nil
+}
+
+func BenchmarkProxy(b *testing.B) {
+	res := &http.Response{
+		StatusCode: 200,
+		Body:       ioutil.NopCloser(strings.NewReader("")),
+	}
+
+	w := httptest.NewRecorder()
+	req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
+
+	pool := newBufferPool()
+	handler, _ := buildProxy(false, nil, &staticTransport{res}, pool, nil)
+
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		handler.ServeHTTP(w, req)
+	}
+}