mirror of
https://github.com/restic/restic.git
synced 2024-12-26 17:57:50 +00:00
345 lines
8.2 KiB
Go
345 lines
8.2 KiB
Go
package sftp
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import (
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"bytes"
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"encoding"
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"os"
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"testing"
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)
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var marshalUint32Tests = []struct {
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v uint32
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want []byte
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}{
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{1, []byte{0, 0, 0, 1}},
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{256, []byte{0, 0, 1, 0}},
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{^uint32(0), []byte{255, 255, 255, 255}},
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}
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func TestMarshalUint32(t *testing.T) {
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for _, tt := range marshalUint32Tests {
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got := marshalUint32(nil, tt.v)
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if !bytes.Equal(tt.want, got) {
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t.Errorf("marshalUint32(%d): want %v, got %v", tt.v, tt.want, got)
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}
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}
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}
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var marshalUint64Tests = []struct {
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v uint64
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want []byte
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}{
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{1, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}},
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{256, []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0}},
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{^uint64(0), []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}},
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{1 << 32, []byte{0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0}},
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}
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func TestMarshalUint64(t *testing.T) {
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for _, tt := range marshalUint64Tests {
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got := marshalUint64(nil, tt.v)
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if !bytes.Equal(tt.want, got) {
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t.Errorf("marshalUint64(%d): want %#v, got %#v", tt.v, tt.want, got)
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}
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}
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}
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var marshalStringTests = []struct {
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v string
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want []byte
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}{
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{"", []byte{0, 0, 0, 0}},
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{"/foo", []byte{0x0, 0x0, 0x0, 0x4, 0x2f, 0x66, 0x6f, 0x6f}},
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}
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func TestMarshalString(t *testing.T) {
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for _, tt := range marshalStringTests {
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got := marshalString(nil, tt.v)
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if !bytes.Equal(tt.want, got) {
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t.Errorf("marshalString(%q): want %#v, got %#v", tt.v, tt.want, got)
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}
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}
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}
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var marshalTests = []struct {
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v interface{}
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want []byte
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}{
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{uint8(1), []byte{1}},
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{byte(1), []byte{1}},
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{uint32(1), []byte{0, 0, 0, 1}},
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{uint64(1), []byte{0, 0, 0, 0, 0, 0, 0, 1}},
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{"foo", []byte{0x0, 0x0, 0x0, 0x3, 0x66, 0x6f, 0x6f}},
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{[]uint32{1, 2, 3, 4}, []byte{0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x4}},
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}
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func TestMarshal(t *testing.T) {
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for _, tt := range marshalTests {
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got := marshal(nil, tt.v)
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if !bytes.Equal(tt.want, got) {
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t.Errorf("marshal(%v): want %#v, got %#v", tt.v, tt.want, got)
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}
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}
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}
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var unmarshalUint32Tests = []struct {
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b []byte
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want uint32
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rest []byte
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}{
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{[]byte{0, 0, 0, 0}, 0, nil},
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{[]byte{0, 0, 1, 0}, 256, nil},
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{[]byte{255, 0, 0, 255}, 4278190335, nil},
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}
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func TestUnmarshalUint32(t *testing.T) {
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for _, tt := range unmarshalUint32Tests {
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got, rest := unmarshalUint32(tt.b)
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if got != tt.want || !bytes.Equal(rest, tt.rest) {
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t.Errorf("unmarshalUint32(%v): want %v, %#v, got %v, %#v", tt.b, tt.want, tt.rest, got, rest)
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}
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}
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}
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var unmarshalUint64Tests = []struct {
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b []byte
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want uint64
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rest []byte
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}{
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{[]byte{0, 0, 0, 0, 0, 0, 0, 0}, 0, nil},
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{[]byte{0, 0, 0, 0, 0, 0, 1, 0}, 256, nil},
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{[]byte{255, 0, 0, 0, 0, 0, 0, 255}, 18374686479671623935, nil},
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}
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func TestUnmarshalUint64(t *testing.T) {
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for _, tt := range unmarshalUint64Tests {
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got, rest := unmarshalUint64(tt.b)
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if got != tt.want || !bytes.Equal(rest, tt.rest) {
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t.Errorf("unmarshalUint64(%v): want %v, %#v, got %v, %#v", tt.b, tt.want, tt.rest, got, rest)
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}
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}
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}
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var unmarshalStringTests = []struct {
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b []byte
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want string
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rest []byte
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}{
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{marshalString(nil, ""), "", nil},
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{marshalString(nil, "blah"), "blah", nil},
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}
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func TestUnmarshalString(t *testing.T) {
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for _, tt := range unmarshalStringTests {
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got, rest := unmarshalString(tt.b)
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if got != tt.want || !bytes.Equal(rest, tt.rest) {
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t.Errorf("unmarshalUint64(%v): want %q, %#v, got %q, %#v", tt.b, tt.want, tt.rest, got, rest)
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}
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}
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}
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var sendPacketTests = []struct {
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p encoding.BinaryMarshaler
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want []byte
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}{
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{sshFxInitPacket{
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Version: 3,
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Extensions: []extensionPair{
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{"posix-rename@openssh.com", "1"},
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},
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}, []byte{0x0, 0x0, 0x0, 0x26, 0x1, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x18, 0x70, 0x6f, 0x73, 0x69, 0x78, 0x2d, 0x72, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x40, 0x6f, 0x70, 0x65, 0x6e, 0x73, 0x73, 0x68, 0x2e, 0x63, 0x6f, 0x6d, 0x0, 0x0, 0x0, 0x1, 0x31}},
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{sshFxpOpenPacket{
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ID: 1,
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Path: "/foo",
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Pflags: flags(os.O_RDONLY),
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}, []byte{0x0, 0x0, 0x0, 0x15, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x4, 0x2f, 0x66, 0x6f, 0x6f, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0}},
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{sshFxpWritePacket{
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ID: 124,
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Handle: "foo",
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Offset: 13,
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Length: uint32(len([]byte("bar"))),
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Data: []byte("bar"),
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}, []byte{0x0, 0x0, 0x0, 0x1b, 0x6, 0x0, 0x0, 0x0, 0x7c, 0x0, 0x0, 0x0, 0x3, 0x66, 0x6f, 0x6f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd, 0x0, 0x0, 0x0, 0x3, 0x62, 0x61, 0x72}},
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{sshFxpSetstatPacket{
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ID: 31,
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Path: "/bar",
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Flags: flags(os.O_WRONLY),
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Attrs: struct {
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UID uint32
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GID uint32
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}{1000, 100},
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}, []byte{0x0, 0x0, 0x0, 0x19, 0x9, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x4, 0x2f, 0x62, 0x61, 0x72, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3, 0xe8, 0x0, 0x0, 0x0, 0x64}},
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}
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func TestSendPacket(t *testing.T) {
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for _, tt := range sendPacketTests {
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var w bytes.Buffer
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sendPacket(&w, tt.p)
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if got := w.Bytes(); !bytes.Equal(tt.want, got) {
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t.Errorf("sendPacket(%v): want %#v, got %#v", tt.p, tt.want, got)
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}
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}
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}
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func sp(p encoding.BinaryMarshaler) []byte {
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var w bytes.Buffer
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sendPacket(&w, p)
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return w.Bytes()
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}
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var recvPacketTests = []struct {
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b []byte
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want uint8
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rest []byte
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}{
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{sp(sshFxInitPacket{
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Version: 3,
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Extensions: []extensionPair{
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{"posix-rename@openssh.com", "1"},
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},
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}), ssh_FXP_INIT, []byte{0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x18, 0x70, 0x6f, 0x73, 0x69, 0x78, 0x2d, 0x72, 0x65, 0x6e, 0x61, 0x6d, 0x65, 0x40, 0x6f, 0x70, 0x65, 0x6e, 0x73, 0x73, 0x68, 0x2e, 0x63, 0x6f, 0x6d, 0x0, 0x0, 0x0, 0x1, 0x31}},
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}
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func TestRecvPacket(t *testing.T) {
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for _, tt := range recvPacketTests {
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r := bytes.NewReader(tt.b)
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got, rest, _ := recvPacket(r)
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if got != tt.want || !bytes.Equal(rest, tt.rest) {
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t.Errorf("recvPacket(%#v): want %v, %#v, got %v, %#v", tt.b, tt.want, tt.rest, got, rest)
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}
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}
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}
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func TestSSHFxpOpenPacketreadonly(t *testing.T) {
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var tests = []struct {
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pflags uint32
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ok bool
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}{
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{
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pflags: ssh_FXF_READ,
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ok: true,
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},
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{
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pflags: ssh_FXF_WRITE,
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ok: false,
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},
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{
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pflags: ssh_FXF_READ | ssh_FXF_WRITE,
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ok: false,
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},
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}
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for _, tt := range tests {
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p := &sshFxpOpenPacket{
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Pflags: tt.pflags,
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}
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if want, got := tt.ok, p.readonly(); want != got {
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t.Errorf("unexpected value for p.readonly(): want: %v, got: %v",
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want, got)
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}
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}
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}
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func TestSSHFxpOpenPackethasPflags(t *testing.T) {
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var tests = []struct {
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desc string
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haveFlags uint32
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testFlags []uint32
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ok bool
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}{
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{
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desc: "have read, test against write",
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haveFlags: ssh_FXF_READ,
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testFlags: []uint32{ssh_FXF_WRITE},
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ok: false,
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},
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{
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desc: "have write, test against read",
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haveFlags: ssh_FXF_WRITE,
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testFlags: []uint32{ssh_FXF_READ},
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ok: false,
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},
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{
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desc: "have read+write, test against read",
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haveFlags: ssh_FXF_READ | ssh_FXF_WRITE,
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testFlags: []uint32{ssh_FXF_READ},
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ok: true,
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},
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{
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desc: "have read+write, test against write",
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haveFlags: ssh_FXF_READ | ssh_FXF_WRITE,
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testFlags: []uint32{ssh_FXF_WRITE},
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ok: true,
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},
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{
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desc: "have read+write, test against read+write",
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haveFlags: ssh_FXF_READ | ssh_FXF_WRITE,
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testFlags: []uint32{ssh_FXF_READ, ssh_FXF_WRITE},
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ok: true,
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},
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}
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for _, tt := range tests {
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t.Log(tt.desc)
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p := &sshFxpOpenPacket{
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Pflags: tt.haveFlags,
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}
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if want, got := tt.ok, p.hasPflags(tt.testFlags...); want != got {
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t.Errorf("unexpected value for p.hasPflags(%#v): want: %v, got: %v",
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tt.testFlags, want, got)
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}
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}
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}
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func BenchmarkMarshalInit(b *testing.B) {
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for i := 0; i < b.N; i++ {
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sp(sshFxInitPacket{
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Version: 3,
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Extensions: []extensionPair{
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{"posix-rename@openssh.com", "1"},
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},
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})
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}
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}
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func BenchmarkMarshalOpen(b *testing.B) {
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for i := 0; i < b.N; i++ {
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sp(sshFxpOpenPacket{
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ID: 1,
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Path: "/home/test/some/random/path",
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Pflags: flags(os.O_RDONLY),
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})
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}
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}
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func BenchmarkMarshalWriteWorstCase(b *testing.B) {
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data := make([]byte, 32*1024)
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for i := 0; i < b.N; i++ {
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sp(sshFxpWritePacket{
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ID: 1,
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Handle: "someopaquehandle",
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Offset: 0,
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Length: uint32(len(data)),
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Data: data,
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})
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}
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}
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func BenchmarkMarshalWrite1k(b *testing.B) {
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data := make([]byte, 1024)
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for i := 0; i < b.N; i++ {
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sp(sshFxpWritePacket{
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ID: 1,
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Handle: "someopaquehandle",
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Offset: 0,
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Length: uint32(len(data)),
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Data: data,
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})
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}
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}
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