lbcd/msggetaddr_test.go
2013-05-08 18:58:29 -05:00

123 lines
2.8 KiB
Go

// Copyright (c) 2013 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcwire_test
import (
"bytes"
"github.com/conformal/btcwire"
"github.com/davecgh/go-spew/spew"
"reflect"
"testing"
)
// TestGetAddr tests the MsgGetAddr API.
func TestGetAddr(t *testing.T) {
pver := btcwire.ProtocolVersion
// Ensure the command is expected value.
wantCmd := "getaddr"
msg := btcwire.NewMsgGetAddr()
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgGetAddr: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value for latest protocol version.
// Num addresses (varInt) + max allowed addresses.
wantPayload := uint32(0)
maxPayload := msg.MaxPayloadLength(pver)
if maxPayload != wantPayload {
t.Errorf("MaxPayloadLength: wrong max payload length for "+
"protocol version %d - got %v, want %v", pver,
maxPayload, wantPayload)
}
return
}
// TestGetAddrWire tests the MsgGetAddr wire encode and decode for various
// protocol versions.
func TestGetAddrWire(t *testing.T) {
msgGetAddr := btcwire.NewMsgGetAddr()
msgGetAddrEncoded := []byte{}
tests := []struct {
in *btcwire.MsgGetAddr // Message to encode
out *btcwire.MsgGetAddr // Expected decoded message
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
}{
// Latest protocol version.
{
msgGetAddr,
msgGetAddr,
msgGetAddrEncoded,
btcwire.ProtocolVersion,
},
// Protocol version BIP0035Version.
{
msgGetAddr,
msgGetAddr,
msgGetAddrEncoded,
btcwire.BIP0035Version,
},
// Protocol version BIP0031Version.
{
msgGetAddr,
msgGetAddr,
msgGetAddrEncoded,
btcwire.BIP0031Version,
},
// Protocol version NetAddressTimeVersion.
{
msgGetAddr,
msgGetAddr,
msgGetAddrEncoded,
btcwire.NetAddressTimeVersion,
},
// Protocol version MultipleAddressVersion.
{
msgGetAddr,
msgGetAddr,
msgGetAddrEncoded,
btcwire.MultipleAddressVersion,
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode the message to wire format.
var buf bytes.Buffer
err := test.in.BtcEncode(&buf, test.pver)
if err != nil {
t.Errorf("BtcEncode #%d error %v", i, err)
continue
}
if !bytes.Equal(buf.Bytes(), test.buf) {
t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
continue
}
// Decode the message from wire format.
var msg btcwire.MsgGetAddr
rbuf := bytes.NewBuffer(test.buf)
err = msg.BtcDecode(rbuf, test.pver)
if err != nil {
t.Errorf("BtcDecode #%d error %v", i, err)
continue
}
if !reflect.DeepEqual(&msg, test.out) {
t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
spew.Sdump(msg), spew.Sdump(test.out))
continue
}
}
}