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|
package sftp
import (
"errors"
"io"
"os"
"reflect"
"testing"
"github.com/kr/fs"
)
// assert that *Client implements fs.FileSystem
var _ fs.FileSystem = new(Client)
// assert that *File implements io.ReadWriteCloser
var _ io.ReadWriteCloser = new(File)
func TestNormaliseError(t *testing.T) {
var (
ok = &StatusError{Code: ssh_FX_OK}
eof = &StatusError{Code: ssh_FX_EOF}
fail = &StatusError{Code: ssh_FX_FAILURE}
noSuchFile = &StatusError{Code: ssh_FX_NO_SUCH_FILE}
foo = errors.New("foo")
)
var tests = []struct {
desc string
err error
want error
}{
{
desc: "nil error",
},
{
desc: "not *StatusError",
err: foo,
want: foo,
},
{
desc: "*StatusError with ssh_FX_EOF",
err: eof,
want: io.EOF,
},
{
desc: "*StatusError with ssh_FX_NO_SUCH_FILE",
err: noSuchFile,
want: os.ErrNotExist,
},
{
desc: "*StatusError with ssh_FX_OK",
err: ok,
},
{
desc: "*StatusError with ssh_FX_FAILURE",
err: fail,
want: fail,
},
}
for _, tt := range tests {
got := normaliseError(tt.err)
if got != tt.want {
t.Errorf("normaliseError(%#v), test %q\n- want: %#v\n- got: %#v",
tt.err, tt.desc, tt.want, got)
}
}
}
var flagsTests = []struct {
flags int
want uint32
}{
{os.O_RDONLY, ssh_FXF_READ},
{os.O_WRONLY, ssh_FXF_WRITE},
{os.O_RDWR, ssh_FXF_READ | ssh_FXF_WRITE},
{os.O_RDWR | os.O_CREATE | os.O_TRUNC, ssh_FXF_READ | ssh_FXF_WRITE | ssh_FXF_CREAT | ssh_FXF_TRUNC},
{os.O_WRONLY | os.O_APPEND, ssh_FXF_WRITE | ssh_FXF_APPEND},
}
func TestFlags(t *testing.T) {
for i, tt := range flagsTests {
got := flags(tt.flags)
if got != tt.want {
t.Errorf("test %v: flags(%x): want: %x, got: %x", i, tt.flags, tt.want, got)
}
}
}
func TestUnmarshalStatus(t *testing.T) {
requestID := uint32(1)
id := marshalUint32([]byte{}, requestID)
idCode := marshalUint32(id, ssh_FX_FAILURE)
idCodeMsg := marshalString(idCode, "err msg")
idCodeMsgLang := marshalString(idCodeMsg, "lang tag")
var tests = []struct {
desc string
reqID uint32
status []byte
want error
}{
{
desc: "well-formed status",
reqID: 1,
status: idCodeMsgLang,
want: &StatusError{
Code: ssh_FX_FAILURE,
msg: "err msg",
lang: "lang tag",
},
},
{
desc: "missing error message and language tag",
reqID: 1,
status: idCode,
want: &StatusError{
Code: ssh_FX_FAILURE,
},
},
{
desc: "missing language tag",
reqID: 1,
status: idCodeMsg,
want: &StatusError{
Code: ssh_FX_FAILURE,
msg: "err msg",
},
},
{
desc: "request identifier mismatch",
reqID: 2,
status: idCodeMsgLang,
want: &unexpectedIDErr{2, requestID},
},
}
for _, tt := range tests {
got := unmarshalStatus(tt.reqID, tt.status)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("unmarshalStatus(%v, %v), test %q\n- want: %#v\n- got: %#v",
requestID, tt.status, tt.desc, tt.want, got)
}
}
}
type packetSizeTest struct {
size int
valid bool
}
var maxPacketCheckedTests = []packetSizeTest{
{size: 0, valid: false},
{size: 1, valid: true},
{size: 32768, valid: true},
{size: 32769, valid: false},
}
var maxPacketUncheckedTests = []packetSizeTest{
{size: 0, valid: false},
{size: 1, valid: true},
{size: 32768, valid: true},
{size: 32769, valid: true},
}
func TestMaxPacketChecked(t *testing.T) {
for _, tt := range maxPacketCheckedTests {
testMaxPacketOption(t, MaxPacketChecked(tt.size), tt)
}
}
func TestMaxPacketUnchecked(t *testing.T) {
for _, tt := range maxPacketUncheckedTests {
testMaxPacketOption(t, MaxPacketUnchecked(tt.size), tt)
}
}
func TestMaxPacket(t *testing.T) {
for _, tt := range maxPacketCheckedTests {
testMaxPacketOption(t, MaxPacket(tt.size), tt)
}
}
func testMaxPacketOption(t *testing.T, o ClientOption, tt packetSizeTest) {
var c Client
err := o(&c)
if (err == nil) != tt.valid {
t.Errorf("MaxPacketChecked(%v)\n- want: %v\n- got: %v", tt.size, tt.valid, err == nil)
}
if c.maxPacket != tt.size && tt.valid {
t.Errorf("MaxPacketChecked(%v)\n- want: %v\n- got: %v", tt.size, tt.size, c.maxPacket)
}
}
|
