/
body_test.go
83 lines (75 loc) · 1.88 KB
/
body_test.go
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// Copyright 2017 Leenanxi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package uriproxy
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
)
func TestBodyRetry(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
io.Copy(w, r.Body)
r.Body.Close()
}))
defer ts.Close()
testcase := "test content"
req, err := http.NewRequest(http.MethodPost, ts.URL, bytes.NewBufferString(testcase))
if err != nil {
t.Fatal(err)
}
body, err := newBufferedBody(req.Body)
if err != nil {
t.Fatal(err)
}
if body != nil {
req.Body = body
}
// simulate fail request
host := req.URL.Host
req.URL.Host = "example.com"
body.rewind()
_, _ = http.DefaultTransport.RoundTrip(req)
// retry request
req.URL.Host = host
body.rewind()
resp, err := http.DefaultTransport.RoundTrip(req)
if err != nil {
t.Fatal(err)
}
result, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
resp.Body.Close()
if string(result) != testcase {
t.Fatalf("result = %s, want %s", result, testcase)
}
// try one more time for body reuse
body.rewind()
resp, err = http.DefaultTransport.RoundTrip(req)
if err != nil {
t.Fatal(err)
}
result, err = ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
resp.Body.Close()
if string(result) != testcase {
t.Fatalf("result = %s, want %s", result, testcase)
}
}