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

139 lines
3.4 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"
)
// TestAlert tests the MsgAlert API.
func TestAlert(t *testing.T) {
pver := btcwire.ProtocolVersion
payloadblob := "some message"
signature := "some sig"
// Ensure we get the same payload and signature back out.
msg := btcwire.NewMsgAlert(payloadblob, signature)
if msg.PayloadBlob != payloadblob {
t.Errorf("NewMsgAlert: wrong payloadblob - got %v, want %v",
msg.PayloadBlob, payloadblob)
}
if msg.Signature != signature {
t.Errorf("NewMsgAlert: wrong signature - got %v, want %v",
msg.Signature, signature)
}
// Ensure the command is expected value.
wantCmd := "alert"
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgAlert: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value.
wantPayload := uint32(1024 * 1024 * 32)
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
}
// TestAlertWire tests the MsgAlert wire encode and decode for various protocol
// versions.
func TestAlertWire(t *testing.T) {
baseAlert := btcwire.NewMsgAlert("some payload", "somesig")
baseAlertEncoded := []byte{
0x0c, // Varint for payload length
0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x61, 0x79,
0x6c, 0x6f, 0x61, 0x64, // "some payload"
0x07, // Varint for signature length
0x73, 0x6f, 0x6d, 0x65, 0x73, 0x69, 0x67, // "somesig"
}
tests := []struct {
in *btcwire.MsgAlert // Message to encode
out *btcwire.MsgAlert // Expected decoded message
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
}{
// Latest protocol version.
{
baseAlert,
baseAlert,
baseAlertEncoded,
btcwire.ProtocolVersion,
},
// Protocol version BIP0035Version.
{
baseAlert,
baseAlert,
baseAlertEncoded,
btcwire.BIP0035Version,
},
// Protocol version BIP0031Version.
{
baseAlert,
baseAlert,
baseAlertEncoded,
btcwire.BIP0031Version,
},
// Protocol version NetAddressTimeVersion.
{
baseAlert,
baseAlert,
baseAlertEncoded,
btcwire.NetAddressTimeVersion,
},
// Protocol version MultipleAddressVersion.
{
baseAlert,
baseAlert,
baseAlertEncoded,
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.MsgAlert
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
}
}
}