1 // Copyright 2011 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
15 func TestReadVersion(t *testing.T) {
16 longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
17 cases := map[string]string{
18 "SSH-2.0-bla\r\n": "SSH-2.0-bla",
19 "SSH-2.0-bla\n": "SSH-2.0-bla",
20 longversion + "\r\n": longversion,
23 for in, want := range cases {
24 result, err := readVersion(bytes.NewBufferString(in))
26 t.Errorf("readVersion(%q): %s", in, err)
30 t.Errorf("got %q, want %q", got, want)
35 func TestReadVersionError(t *testing.T) {
36 longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
38 longversion + "too-long\r\n",
40 for _, in := range cases {
41 if _, err := readVersion(bytes.NewBufferString(in)); err == nil {
42 t.Errorf("readVersion(%q) should have failed", in)
47 func TestExchangeVersionsBasic(t *testing.T) {
49 buf := bytes.NewBufferString(v + "\r\n")
50 them, err := exchangeVersions(buf, []byte("xyz"))
52 t.Errorf("exchangeVersions: %v", err)
55 if want := "SSH-2.0-bla"; string(them) != want {
56 t.Errorf("got %q want %q for our version", them, want)
60 func TestExchangeVersions(t *testing.T) {
65 for _, c := range cases {
66 buf := bytes.NewBufferString("SSH-2.0-bla\r\n")
67 if _, err := exchangeVersions(buf, []byte(c)); err == nil {
68 t.Errorf("exchangeVersions(%q): should have failed", c)
73 type closerBuffer struct {
77 func (b *closerBuffer) Close() error {
81 func TestTransportMaxPacketWrite(t *testing.T) {
82 buf := &closerBuffer{}
83 tr := newTransport(buf, rand.Reader, true)
84 huge := make([]byte, maxPacket+1)
85 err := tr.writePacket(huge)
87 t.Errorf("transport accepted write for a huge packet.")
91 func TestTransportMaxPacketReader(t *testing.T) {
93 huge := make([]byte, maxPacket+128)
94 binary.BigEndian.PutUint32(header[0:], uint32(len(huge)))
98 buf := &closerBuffer{}
102 tr := newTransport(buf, rand.Reader, true)
103 _, err := tr.readPacket()
105 t.Errorf("transport succeeded reading huge packet.")
106 } else if !strings.Contains(err.Error(), "large") {
107 t.Errorf("got %q, should mention %q", err.Error(), "large")