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// Copyright 2016 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.
// White-box tests for transport.go (in package http instead of http_test).
package http
import (
"errors"
"net"
"testing"
)
// Issue 15446: incorrect wrapping of errors when server closes an idle connection.
func TestTransportPersistConnReadLoopEOF(t *testing.T) {
ln := newLocalListener(t)
defer ln.Close()
connc := make(chan net.Conn, 1)
go func() {
defer close(connc)
c, err := ln.Accept()
if err != nil {
t.Error(err)
return
}
connc <- c
}()
tr := new(Transport)
req, _ := NewRequest("GET", "http://"+ln.Addr().String(), nil)
treq := &transportRequest{Request: req}
cm := connectMethod{targetScheme: "http", targetAddr: ln.Addr().String()}
pc, err := tr.getConn(treq, cm)
if err != nil {
t.Fatal(err)
}
defer pc.close(errors.New("test over"))
conn := <-connc
if conn == nil {
// Already called t.Error in the accept goroutine.
return
}
conn.Close() // simulate the server hanging up on the client
_, err = pc.roundTrip(treq)
if !isTransportReadFromServerError(err) && err != errServerClosedIdle {
t.Fatalf("roundTrip = %#v, %v; want errServerClosedConn or errServerClosedIdle", err, err)
}
<-pc.closech
err = pc.closed
if !isTransportReadFromServerError(err) && err != errServerClosedIdle {
t.Fatalf("pc.closed = %#v, %v; want errServerClosedConn or errServerClosedIdle", err, err)
}
}
func isTransportReadFromServerError(err error) bool {
_, ok := err.(transportReadFromServerError)
return ok
}
func newLocalListener(t *testing.T) net.Listener {
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
ln, err = net.Listen("tcp6", "[::1]:0")
}
if err != nil {
t.Fatal(err)
}
return ln
}
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