func (test translateTest) run(t *testing.T) {
cs := charset.Info(test.charset)
if cs == nil {
t.Fatalf("no info found for %q", test.charset)
}
fromtr, err := charset.TranslatorFrom(test.charset)
if err != nil {
t.Fatalf("error making translator from %q: %v", test.charset, err)
}
out, err := translate(fromtr, test.in)
if err != nil {
t.Fatalf("error translating from %q: %v", test.charset, err)
}
if out != test.out {
t.Fatalf("error translating from %q: expected %x got %x", test.charset, test.out, out)
}
if cs.NoTo || !test.canRoundTrip {
return
}
totr, err := charset.TranslatorTo(test.charset)
if err != nil {
t.Fatalf("error making translator to %q: %v", test.charset, err)
}
in, err := translate(totr, out)
if err != nil {
t.Fatalf("error translating to %q: %v", test.charset, err)
}
if in != test.in {
t.Fatalf("%q round trip conversion failed; expected %x got %x", test.charset, test.in, in)
}
}
// Will receive an input stream which would convert the response to utf-8
// The given function must close the reader r, in order to close the response body.
func HandleStringReader(f func(r io.Reader, ctx *goproxy.ProxyCtx) io.Reader) goproxy.RespHandler {
return goproxy.FuncRespHandler(func(resp *http.Response, ctx *goproxy.ProxyCtx) *http.Response {
if ctx.Error != nil {
return nil
}
charsetName := ctx.Charset()
if charsetName == "" {
charsetName = "utf-8"
}
if strings.ToLower(charsetName) != "utf-8" {
r, err := charset.NewReader(charsetName, resp.Body)
if err != nil {
ctx.Warnf("Cannot convert from %v to utf-8: %v", charsetName, err)
return resp
}
tr, err := charset.TranslatorTo(charsetName)
if err != nil {
ctx.Warnf("Can't translate to %v from utf-8: %v", charsetName, err)
return resp
}
if err != nil {
ctx.Warnf("Cannot translate to %v: %v", charsetName, err)
return resp
}
newr := charset.NewTranslatingReader(f(r, ctx), tr)
resp.Body = &readFirstCloseBoth{ioutil.NopCloser(newr), resp.Body}
} else {
//no translation is needed, already at utf-8
resp.Body = &readFirstCloseBoth{ioutil.NopCloser(f(resp.Body, ctx)), resp.Body}
}
return resp
})
}