func TestProgressReader(t *testing.T) {
filename := "progress_test.go"
f, err := os.Open(filename)
defer f.Close()
if err != nil {
log.Fatalln(err)
}
fs, err := os.Stat(filename)
if err != nil {
log.Fatalln(err)
}
p := New()
p.Total = fs.Size()
p.Progress = func(current, total, expected int64) {
log.Println("Reading", current, total, expected)
assert.Equal(t, true, current <= total)
}
b := new(bytes.Buffer)
r := syncreader.New(f, p)
_, err = b.ReadFrom(r)
if err != nil {
log.Fatalln(err)
}
assert.Equal(t, fs.Size(), int64(b.Len()))
}
func (r *Requester) Do() (*bytes.Buffer, error) {
// lazy create request
r.req = &http.Request{
Method: r.Method,
URL: r.Url,
Header: r.Header,
}
// uploading before
if r.IsUpload {
fields, _ := r.rawBody.(map[string]string)
r.Form(r.files, fields)
}
if len(r.cookies) > 0 {
for _, c := range r.cookies {
r.req.AddCookie(c)
}
}
// pack body
r.packBody()
// uploading after
if r.IsUpload && r.pg != nil {
r.pg.Total = r.Length
r.Body = ioutil.NopCloser(syncreader.New(r.Body, r.pg))
}
if r.Body != nil {
if r.Header.Get("Content-Type") == "" {
r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
}
r.req.Body = r.Body
if r.Length > 0 {
r.req.ContentLength = r.Length
}
}
var (
res *http.Response
err error
)
switch r.Url.Scheme {
case "http", "https":
r.transport = new(http.Transport)
if r.tlsconfig != nil {
r.transport.TLSClientConfig = r.tlsconfig
}
r.client = &http.Client{Transport: r.transport, Timeout: r.timeout}
res, err = r.client.Do(r.req)
if err != nil {
return nil, err
}
break
default:
// TODO @fundon, customzie
conn, err := net.Dial(r.Url.Scheme, r.Url.Host)
if err != nil {
return nil, err
}
r.clientConn = httputil.NewClientConn(conn, nil)
res, err = r.clientConn.Do(r.req)
if err != nil {
return nil, err
}
}
defer res.Body.Close()
r.res = res
r.StatusCode = res.StatusCode
// hack, return response header
r.Header = res.Header
r.Buffer = new(bytes.Buffer)
dw := io.MultiWriter(r.Buffer)
// downloading
if r.IsDownload {
var fw io.Writer
switch t := r.destination.(type) {
case string:
p, err := filepath.Abs(t)
if err != nil {
return nil, err
}
f, err := os.Create(p)
defer f.Close()
if err != nil {
return nil, err
}
fw = f
break
default:
fw, _ = t.(io.Writer)
}
if r.pg != nil {
r.pg.Total = res.ContentLength
}
dw = io.MultiWriter(dw, r.pg, fw)
if err != nil {
return nil, err
}
}
_, err = io.Copy(dw, res.Body)
if err != nil {
return nil, err
}
return r.Buffer, nil
}