rclone/vendor/github.com/pkg/sftp/packet-manager_test.go
2018-03-19 15:51:38 +00:00

103 lines
2.0 KiB
Go

package sftp
import (
"encoding"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
type _testSender struct {
sent chan encoding.BinaryMarshaler
}
func newTestSender() *_testSender {
return &_testSender{make(chan encoding.BinaryMarshaler)}
}
func (s _testSender) sendPacket(p encoding.BinaryMarshaler) error {
s.sent <- p
return nil
}
type fakepacket uint32
func (fakepacket) MarshalBinary() ([]byte, error) {
return []byte{}, nil
}
func (fakepacket) UnmarshalBinary([]byte) error {
return nil
}
func (f fakepacket) id() uint32 {
return uint32(f)
}
type pair struct {
in fakepacket
out fakepacket
}
// basic test
var ttable1 = []pair{
pair{fakepacket(0), fakepacket(0)},
pair{fakepacket(1), fakepacket(1)},
pair{fakepacket(2), fakepacket(2)},
pair{fakepacket(3), fakepacket(3)},
}
// outgoing packets out of order
var ttable2 = []pair{
pair{fakepacket(0), fakepacket(0)},
pair{fakepacket(1), fakepacket(4)},
pair{fakepacket(2), fakepacket(1)},
pair{fakepacket(3), fakepacket(3)},
pair{fakepacket(4), fakepacket(2)},
}
// incoming packets out of order
var ttable3 = []pair{
pair{fakepacket(2), fakepacket(0)},
pair{fakepacket(1), fakepacket(1)},
pair{fakepacket(3), fakepacket(2)},
pair{fakepacket(0), fakepacket(3)},
}
var tables = [][]pair{ttable1, ttable2, ttable3}
func TestPacketManager(t *testing.T) {
sender := newTestSender()
s := newPktMgr(sender)
for i := range tables {
table := tables[i]
for _, p := range table {
s.incomingPacket(p.in)
}
for _, p := range table {
s.readyPacket(p.out)
}
for i := 0; i < len(table); i++ {
pkt := <-sender.sent
id := pkt.(fakepacket).id()
assert.Equal(t, id, uint32(i))
}
}
s.close()
}
func (p sshFxpRemovePacket) String() string {
return fmt.Sprintf("RmPct:%d", p.ID)
}
func (p sshFxpOpenPacket) String() string {
return fmt.Sprintf("OpPct:%d", p.ID)
}
func (p sshFxpWritePacket) String() string {
return fmt.Sprintf("WrPct:%d", p.ID)
}
func (p sshFxpClosePacket) String() string {
return fmt.Sprintf("ClPct:%d", p.ID)
}