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.
384 lines
11 KiB
Go
384 lines
11 KiB
Go
// Copyright (c) 2014-2016 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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// TestRejectCodeStringer tests the stringized output for the reject code type.
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func TestRejectCodeStringer(t *testing.T) {
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tests := []struct {
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in RejectCode
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want string
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}{
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{RejectMalformed, "REJECT_MALFORMED"},
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{RejectInvalid, "REJECT_INVALID"},
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{RejectObsolete, "REJECT_OBSOLETE"},
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{RejectDuplicate, "REJECT_DUPLICATE"},
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{RejectNonstandard, "REJECT_NONSTANDARD"},
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{RejectDust, "REJECT_DUST"},
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{RejectInsufficientFee, "REJECT_INSUFFICIENTFEE"},
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{RejectCheckpoint, "REJECT_CHECKPOINT"},
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{0xff, "Unknown RejectCode (255)"},
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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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result := test.in.String()
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if result != test.want {
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t.Errorf("String #%d\n got: %s want: %s", i, result,
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test.want)
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continue
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}
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}
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}
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// TestRejectLatest tests the MsgPong API against the latest protocol version.
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func TestRejectLatest(t *testing.T) {
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pver := ProtocolVersion
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// Create reject message data.
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rejCommand := (&MsgBlock{}).Command()
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rejCode := RejectDuplicate
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rejReason := "duplicate block"
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rejHash := mainNetGenesisHash
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// Ensure we get the correct data back out.
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msg := NewMsgReject(rejCommand, rejCode, rejReason)
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msg.Hash = rejHash
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if msg.Cmd != rejCommand {
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t.Errorf("NewMsgReject: wrong rejected command - got %v, "+
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"want %v", msg.Cmd, rejCommand)
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}
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if msg.Code != rejCode {
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t.Errorf("NewMsgReject: wrong rejected code - got %v, "+
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"want %v", msg.Code, rejCode)
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}
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if msg.Reason != rejReason {
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t.Errorf("NewMsgReject: wrong rejected reason - got %v, "+
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"want %v", msg.Reason, rejReason)
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}
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// Ensure the command is expected value.
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wantCmd := "reject"
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if cmd := msg.Command(); cmd != wantCmd {
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t.Errorf("NewMsgReject: 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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wantPayload := uint32(MaxMessagePayload)
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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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// Test encode with latest protocol version.
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var buf bytes.Buffer
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err := msg.BtcEncode(&buf, pver)
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if err != nil {
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t.Errorf("encode of MsgReject failed %v err <%v>", msg, err)
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}
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// Test decode with latest protocol version.
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readMsg := MsgReject{}
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err = readMsg.BtcDecode(&buf, pver)
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if err != nil {
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t.Errorf("decode of MsgReject failed %v err <%v>", buf.Bytes(),
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err)
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}
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// Ensure decoded data is the same.
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if msg.Cmd != readMsg.Cmd {
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t.Errorf("Should get same reject command - got %v, want %v",
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readMsg.Cmd, msg.Cmd)
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}
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if msg.Code != readMsg.Code {
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t.Errorf("Should get same reject code - got %v, want %v",
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readMsg.Code, msg.Code)
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}
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if msg.Reason != readMsg.Reason {
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t.Errorf("Should get same reject reason - got %v, want %v",
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readMsg.Reason, msg.Reason)
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}
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if msg.Hash != readMsg.Hash {
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t.Errorf("Should get same reject hash - got %v, want %v",
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readMsg.Hash, msg.Hash)
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}
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}
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// TestRejectBeforeAdded tests the MsgReject API against a protocol version
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// before the version which introduced it (RejectVersion).
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func TestRejectBeforeAdded(t *testing.T) {
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// Use the protocol version just prior to RejectVersion.
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pver := RejectVersion - 1
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// Create reject message data.
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rejCommand := (&MsgBlock{}).Command()
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rejCode := RejectDuplicate
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rejReason := "duplicate block"
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rejHash := mainNetGenesisHash
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msg := NewMsgReject(rejCommand, rejCode, rejReason)
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msg.Hash = rejHash
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// Ensure max payload is expected value for old protocol version.
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size := msg.MaxPayloadLength(pver)
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if size != 0 {
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t.Errorf("Max length should be 0 for reject protocol version %d.",
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pver)
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}
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// Test encode with old protocol version.
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var buf bytes.Buffer
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err := msg.BtcEncode(&buf, pver)
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if err == nil {
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t.Errorf("encode of MsgReject succeeded when it shouldn't "+
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"have %v", msg)
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}
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// // Test decode with old protocol version.
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readMsg := MsgReject{}
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err = readMsg.BtcDecode(&buf, pver)
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if err == nil {
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t.Errorf("decode of MsgReject succeeded when it shouldn't "+
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"have %v", spew.Sdump(buf.Bytes()))
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}
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// Since this protocol version doesn't support reject, make sure various
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// fields didn't get encoded and decoded back out.
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if msg.Cmd == readMsg.Cmd {
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t.Errorf("Should not get same reject command for protocol "+
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"version %d", pver)
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}
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if msg.Code == readMsg.Code {
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t.Errorf("Should not get same reject code for protocol "+
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"version %d", pver)
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}
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if msg.Reason == readMsg.Reason {
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t.Errorf("Should not get same reject reason for protocol "+
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"version %d", pver)
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}
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if msg.Hash == readMsg.Hash {
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t.Errorf("Should not get same reject hash for protocol "+
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"version %d", pver)
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}
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}
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// TestRejectCrossProtocol tests the MsgReject API when encoding with the latest
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// protocol version and decoded with a version before the version which
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// introduced it (RejectVersion).
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func TestRejectCrossProtocol(t *testing.T) {
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// Create reject message data.
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rejCommand := (&MsgBlock{}).Command()
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rejCode := RejectDuplicate
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rejReason := "duplicate block"
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rejHash := mainNetGenesisHash
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msg := NewMsgReject(rejCommand, rejCode, rejReason)
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msg.Hash = rejHash
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// Encode with latest protocol version.
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var buf bytes.Buffer
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err := msg.BtcEncode(&buf, ProtocolVersion)
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if err != nil {
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t.Errorf("encode of MsgReject failed %v err <%v>", msg, err)
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}
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// Decode with old protocol version.
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readMsg := MsgReject{}
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err = readMsg.BtcDecode(&buf, RejectVersion-1)
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if err == nil {
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t.Errorf("encode of MsgReject succeeded when it shouldn't "+
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"have %v", msg)
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}
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// Since one of the protocol versions doesn't support the reject
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// message, make sure the various fields didn't get encoded and decoded
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// back out.
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if msg.Cmd == readMsg.Cmd {
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t.Errorf("Should not get same reject command for cross protocol")
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}
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if msg.Code == readMsg.Code {
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t.Errorf("Should not get same reject code for cross protocol")
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}
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if msg.Reason == readMsg.Reason {
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t.Errorf("Should not get same reject reason for cross protocol")
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}
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if msg.Hash == readMsg.Hash {
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t.Errorf("Should not get same reject hash for cross protocol")
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}
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}
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// TestRejectWire tests the MsgReject wire encode and decode for various
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// protocol versions.
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func TestRejectWire(t *testing.T) {
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tests := []struct {
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msg MsgReject // Message 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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}{
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// Latest protocol version rejected command version (no hash).
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{
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MsgReject{
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Cmd: "version",
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Code: RejectDuplicate,
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Reason: "duplicate version",
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},
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[]byte{
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0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, // "version"
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0x12, // RejectDuplicate
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0x11, 0x64, 0x75, 0x70, 0x6c, 0x69, 0x63, 0x61,
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0x74, 0x65, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69,
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0x6f, 0x6e, // "duplicate version"
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},
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ProtocolVersion,
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},
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// Latest protocol version rejected command block (has hash).
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{
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MsgReject{
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Cmd: "block",
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Code: RejectDuplicate,
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Reason: "duplicate block",
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Hash: mainNetGenesisHash,
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},
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[]byte{
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0x05, 0x62, 0x6c, 0x6f, 0x63, 0x6b, // "block"
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0x12, // RejectDuplicate
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0x0f, 0x64, 0x75, 0x70, 0x6c, 0x69, 0x63, 0x61,
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0x74, 0x65, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b, // "duplicate block"
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0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
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0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
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0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
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0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // mainNetGenesisHash
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},
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ProtocolVersion,
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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.msg.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 MsgReject
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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.msg) {
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t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
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spew.Sdump(msg), spew.Sdump(test.msg))
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continue
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}
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}
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}
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// TestRejectWireErrors performs negative tests against wire encode and decode
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// of MsgReject to confirm error paths work correctly.
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func TestRejectWireErrors(t *testing.T) {
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pver := ProtocolVersion
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pverNoReject := RejectVersion - 1
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wireErr := &MessageError{}
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baseReject := NewMsgReject("block", RejectDuplicate, "duplicate block")
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baseReject.Hash = mainNetGenesisHash
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baseRejectEncoded := []byte{
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0x05, 0x62, 0x6c, 0x6f, 0x63, 0x6b, // "block"
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0x12, // RejectDuplicate
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0x0f, 0x64, 0x75, 0x70, 0x6c, 0x69, 0x63, 0x61,
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0x74, 0x65, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b, // "duplicate block"
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0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
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0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
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0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
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0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // mainNetGenesisHash
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}
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tests := []struct {
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in *MsgReject // 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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// Latest protocol version with intentional read/write errors.
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// Force error in reject command.
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{baseReject, baseRejectEncoded, pver, 0, io.ErrShortWrite, io.EOF},
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// Force error in reject code.
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{baseReject, baseRejectEncoded, pver, 6, io.ErrShortWrite, io.EOF},
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// Force error in reject reason.
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{baseReject, baseRejectEncoded, pver, 7, io.ErrShortWrite, io.EOF},
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// Force error in reject hash.
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{baseReject, baseRejectEncoded, pver, 23, io.ErrShortWrite, io.EOF},
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// Force error due to unsupported protocol version.
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{baseReject, baseRejectEncoded, pverNoReject, 6, 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 MsgReject
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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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