mirror of
https://github.com/btcsuite/btcd.git
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d406d9e52b
Putting the test code in the same package makes it easier for forks since they don't have to change the import paths as much and it also gets rid of the need for internal_test.go to bridge. This same thing should probably be done for the majority of the code base.
321 lines
8.4 KiB
Go
321 lines
8.4 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"bytes"
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"io"
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"reflect"
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"testing"
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"github.com/davecgh/go-spew/spew"
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)
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// TestNotFound tests the MsgNotFound API.
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func TestNotFound(t *testing.T) {
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pver := ProtocolVersion
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// Ensure the command is expected value.
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wantCmd := "notfound"
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msg := NewMsgNotFound()
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if cmd := msg.Command(); cmd != wantCmd {
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t.Errorf("NewMsgNotFound: wrong command - got %v want %v",
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cmd, wantCmd)
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}
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// Ensure max payload is expected value for latest protocol version.
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// Num inventory vectors (varInt) + max allowed inventory vectors.
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wantPayload := uint32(1800009)
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maxPayload := msg.MaxPayloadLength(pver)
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if maxPayload != wantPayload {
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t.Errorf("MaxPayloadLength: wrong max payload length for "+
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"protocol version %d - got %v, want %v", pver,
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maxPayload, wantPayload)
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}
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// Ensure inventory vectors are added properly.
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hash := ShaHash{}
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iv := NewInvVect(InvTypeBlock, &hash)
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err := msg.AddInvVect(iv)
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if err != nil {
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t.Errorf("AddInvVect: %v", err)
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}
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if msg.InvList[0] != iv {
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t.Errorf("AddInvVect: wrong invvect added - got %v, want %v",
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spew.Sprint(msg.InvList[0]), spew.Sprint(iv))
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}
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// Ensure adding more than the max allowed inventory vectors per
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// message returns an error.
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for i := 0; i < MaxInvPerMsg; i++ {
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err = msg.AddInvVect(iv)
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}
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if err == nil {
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t.Errorf("AddInvVect: expected error on too many inventory " +
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"vectors not received")
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}
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return
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}
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// TestNotFoundWire tests the MsgNotFound wire encode and decode for various
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// numbers of inventory vectors and protocol versions.
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func TestNotFoundWire(t *testing.T) {
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// Block 203707 hash.
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hashStr := "3264bc2ac36a60840790ba1d475d01367e7c723da941069e9dc"
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blockHash, err := NewShaHashFromStr(hashStr)
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if err != nil {
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t.Errorf("NewShaHashFromStr: %v", err)
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}
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// Transation 1 of Block 203707 hash.
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hashStr = "d28a3dc7392bf00a9855ee93dd9a81eff82a2c4fe57fbd42cfe71b487accfaf0"
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txHash, err := NewShaHashFromStr(hashStr)
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if err != nil {
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t.Errorf("NewShaHashFromStr: %v", err)
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}
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iv := NewInvVect(InvTypeBlock, blockHash)
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iv2 := NewInvVect(InvTypeTx, txHash)
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// Empty notfound message.
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NoInv := NewMsgNotFound()
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NoInvEncoded := []byte{
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0x00, // Varint for number of inventory vectors
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}
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// NotFound message with multiple inventory vectors.
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MultiInv := NewMsgNotFound()
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MultiInv.AddInvVect(iv)
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MultiInv.AddInvVect(iv2)
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MultiInvEncoded := []byte{
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0x02, // Varint for number of inv vectors
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0x02, 0x00, 0x00, 0x00, // InvTypeBlock
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0xdc, 0xe9, 0x69, 0x10, 0x94, 0xda, 0x23, 0xc7,
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0xe7, 0x67, 0x13, 0xd0, 0x75, 0xd4, 0xa1, 0x0b,
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0x79, 0x40, 0x08, 0xa6, 0x36, 0xac, 0xc2, 0x4b,
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0x26, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 203707 hash
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0x01, 0x00, 0x00, 0x00, // InvTypeTx
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0xf0, 0xfa, 0xcc, 0x7a, 0x48, 0x1b, 0xe7, 0xcf,
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0x42, 0xbd, 0x7f, 0xe5, 0x4f, 0x2c, 0x2a, 0xf8,
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0xef, 0x81, 0x9a, 0xdd, 0x93, 0xee, 0x55, 0x98,
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0x0a, 0xf0, 0x2b, 0x39, 0xc7, 0x3d, 0x8a, 0xd2, // Tx 1 of block 203707 hash
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}
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tests := []struct {
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in *MsgNotFound // Message to encode
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out *MsgNotFound // Expected decoded message
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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}{
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// Latest protocol version with no inv vectors.
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{
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NoInv,
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NoInv,
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NoInvEncoded,
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ProtocolVersion,
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},
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// Latest protocol version with multiple inv vectors.
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{
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MultiInv,
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MultiInv,
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MultiInvEncoded,
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ProtocolVersion,
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},
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// Protocol version BIP0035Version no inv vectors.
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{
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NoInv,
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NoInv,
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NoInvEncoded,
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BIP0035Version,
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},
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// Protocol version BIP0035Version with multiple inv vectors.
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{
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MultiInv,
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MultiInv,
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MultiInvEncoded,
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BIP0035Version,
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},
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// Protocol version BIP0031Version no inv vectors.
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{
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NoInv,
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NoInv,
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NoInvEncoded,
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BIP0031Version,
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},
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// Protocol version BIP0031Version with multiple inv vectors.
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{
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MultiInv,
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MultiInv,
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MultiInvEncoded,
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BIP0031Version,
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},
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// Protocol version NetAddressTimeVersion no inv vectors.
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{
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NoInv,
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NoInv,
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NoInvEncoded,
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NetAddressTimeVersion,
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},
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// Protocol version NetAddressTimeVersion with multiple inv vectors.
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{
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MultiInv,
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MultiInv,
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MultiInvEncoded,
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NetAddressTimeVersion,
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},
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// Protocol version MultipleAddressVersion no inv vectors.
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{
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NoInv,
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NoInv,
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NoInvEncoded,
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MultipleAddressVersion,
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},
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// Protocol version MultipleAddressVersion with multiple inv vectors.
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{
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MultiInv,
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MultiInv,
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MultiInvEncoded,
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MultipleAddressVersion,
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},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode the message to wire format.
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var buf bytes.Buffer
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err := test.in.BtcEncode(&buf, test.pver)
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if err != nil {
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t.Errorf("BtcEncode #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.buf) {
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t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
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spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
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continue
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}
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// Decode the message from wire format.
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var msg MsgNotFound
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rbuf := bytes.NewReader(test.buf)
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err = msg.BtcDecode(rbuf, test.pver)
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if err != nil {
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t.Errorf("BtcDecode #%d error %v", i, err)
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continue
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}
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if !reflect.DeepEqual(&msg, test.out) {
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t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
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spew.Sdump(msg), spew.Sdump(test.out))
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continue
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}
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}
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}
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// TestNotFoundWireErrors performs negative tests against wire encode and decode
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// of MsgNotFound to confirm error paths work correctly.
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func TestNotFoundWireErrors(t *testing.T) {
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pver := ProtocolVersion
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wireErr := &MessageError{}
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// Block 203707 hash.
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hashStr := "3264bc2ac36a60840790ba1d475d01367e7c723da941069e9dc"
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blockHash, err := NewShaHashFromStr(hashStr)
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if err != nil {
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t.Errorf("NewShaHashFromStr: %v", err)
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}
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iv := NewInvVect(InvTypeBlock, blockHash)
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// Base message used to induce errors.
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baseNotFound := NewMsgNotFound()
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baseNotFound.AddInvVect(iv)
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baseNotFoundEncoded := []byte{
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0x02, // Varint for number of inv vectors
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0x02, 0x00, 0x00, 0x00, // InvTypeBlock
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0xdc, 0xe9, 0x69, 0x10, 0x94, 0xda, 0x23, 0xc7,
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0xe7, 0x67, 0x13, 0xd0, 0x75, 0xd4, 0xa1, 0x0b,
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0x79, 0x40, 0x08, 0xa6, 0x36, 0xac, 0xc2, 0x4b,
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0x26, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 203707 hash
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}
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// Message that forces an error by having more than the max allowed inv
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// vectors.
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maxNotFound := NewMsgNotFound()
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for i := 0; i < MaxInvPerMsg; i++ {
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maxNotFound.AddInvVect(iv)
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}
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maxNotFound.InvList = append(maxNotFound.InvList, iv)
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maxNotFoundEncoded := []byte{
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0xfd, 0x51, 0xc3, // Varint for number of inv vectors (50001)
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}
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tests := []struct {
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in *MsgNotFound // Value to encode
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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max int // Max size of fixed buffer to induce errors
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writeErr error // Expected write error
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readErr error // Expected read error
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}{
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// Force error in inventory vector count
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{baseNotFound, baseNotFoundEncoded, pver, 0, io.ErrShortWrite, io.EOF},
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// Force error in inventory list.
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{baseNotFound, baseNotFoundEncoded, pver, 1, io.ErrShortWrite, io.EOF},
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// Force error with greater than max inventory vectors.
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{maxNotFound, maxNotFoundEncoded, pver, 3, wireErr, wireErr},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode to wire format.
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w := newFixedWriter(test.max)
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err := test.in.BtcEncode(w, test.pver)
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if reflect.TypeOf(err) != reflect.TypeOf(test.writeErr) {
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t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
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i, err, test.writeErr)
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continue
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}
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// For errors which are not of type MessageError, check them for
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// equality.
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if _, ok := err.(*MessageError); !ok {
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if err != test.writeErr {
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t.Errorf("BtcEncode #%d wrong error got: %v, "+
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"want: %v", i, err, test.writeErr)
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continue
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}
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}
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// Decode from wire format.
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var msg MsgNotFound
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r := newFixedReader(test.max, test.buf)
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err = msg.BtcDecode(r, test.pver)
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if reflect.TypeOf(err) != reflect.TypeOf(test.readErr) {
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t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
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i, err, test.readErr)
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continue
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}
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// For errors which are not of type MessageError, check them for
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// equality.
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if _, ok := err.(*MessageError); !ok {
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if err != test.readErr {
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t.Errorf("BtcDecode #%d wrong error got: %v, "+
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"want: %v", i, err, test.readErr)
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continue
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}
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}
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}
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}
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