moby/client/hijack_test.go
Eng Zer Jun c55a4ac779
refactor: move from io/ioutil to io and os package
The io/ioutil package has been deprecated in Go 1.16. This commit
replaces the existing io/ioutil functions with their new definitions in
io and os packages.

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
2021-08-27 14:56:57 +08:00

103 lines
2.4 KiB
Go

package client
import (
"context"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/docker/docker/api/server/httputils"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestTLSCloseWriter(t *testing.T) {
t.Parallel()
var chErr chan error
ts := &httptest.Server{Config: &http.Server{Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
chErr = make(chan error, 1)
defer close(chErr)
if err := httputils.ParseForm(req); err != nil {
chErr <- errors.Wrap(err, "error parsing form")
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
r, rw, err := httputils.HijackConnection(w)
if err != nil {
chErr <- errors.Wrap(err, "error hijacking connection")
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
defer r.Close()
fmt.Fprint(rw, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\n")
buf := make([]byte, 5)
_, err = r.Read(buf)
if err != nil {
chErr <- errors.Wrap(err, "error reading from client")
return
}
_, err = rw.Write(buf)
if err != nil {
chErr <- errors.Wrap(err, "error writing to client")
return
}
})}}
var (
l net.Listener
err error
)
for i := 1024; i < 10000; i++ {
l, err = net.Listen("tcp4", fmt.Sprintf("127.0.0.1:%d", i))
if err == nil {
break
}
}
assert.NilError(t, err)
ts.Listener = l
defer l.Close()
defer func() {
if chErr != nil {
assert.Assert(t, <-chErr)
}
}()
ts.StartTLS()
defer ts.Close()
serverURL, err := url.Parse(ts.URL)
assert.NilError(t, err)
client, err := NewClientWithOpts(WithHost("tcp://"+serverURL.Host), WithHTTPClient(ts.Client()))
assert.NilError(t, err)
resp, err := client.postHijacked(context.Background(), "/asdf", url.Values{}, nil, map[string][]string{"Content-Type": {"text/plain"}})
assert.NilError(t, err)
defer resp.Close()
if _, ok := resp.Conn.(types.CloseWriter); !ok {
t.Fatal("tls conn did not implement the CloseWrite interface")
}
_, err = resp.Conn.Write([]byte("hello"))
assert.NilError(t, err)
b, err := io.ReadAll(resp.Reader)
assert.NilError(t, err)
assert.Assert(t, string(b) == "hello")
assert.Assert(t, resp.CloseWrite())
// This should error since writes are closed
_, err = resp.Conn.Write([]byte("no"))
assert.Assert(t, err != nil)
}