Add negative tests for MsgTx.
This commit adds tests for the error paths when encoding and decoding MsgTx. This commit also achieves 100% test coverage.
This commit is contained in:
Dave Collins
parent
6f511eb75d
commit
5b78dee7e1
2 changed files with 106 additions and 38 deletions
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@ -8,6 +8,7 @@ import (
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"bytes"
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"github.com/conformal/btcwire"
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"github.com/davecgh/go-spew/spew"
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"io"
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"reflect"
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"testing"
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)
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@ -301,6 +302,73 @@ func TestTxWire(t *testing.T) {
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}
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}
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// TestTxWireErrors performs negative tests against wire encode and decode
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// of MsgTx to confirm error paths work correctly.
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func TestTxWireErrors(t *testing.T) {
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// Use protocol version 60002 specifically here instead of the latest
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// because the test data is using bytes encoded with that protocol
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// version.
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pver := uint32(60002)
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tests := []struct {
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in *btcwire.MsgTx // 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 version.
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{multiTx, multiTxEncoded, pver, 0, io.ErrShortWrite, io.EOF},
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// Force error in number of transaction inputs.
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{multiTx, multiTxEncoded, pver, 4, io.ErrShortWrite, io.EOF},
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// Force error in transaction input previous block hash.
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{multiTx, multiTxEncoded, pver, 5, io.ErrShortWrite, io.EOF},
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// Force error in transaction input previous block hash.
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{multiTx, multiTxEncoded, pver, 5, io.ErrShortWrite, io.EOF},
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// Force error in transaction input previous block output index.
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{multiTx, multiTxEncoded, pver, 37, io.ErrShortWrite, io.EOF},
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// Force error in transaction input signature script length.
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{multiTx, multiTxEncoded, pver, 41, io.ErrShortWrite, io.EOF},
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// Force error in transaction input signature script.
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{multiTx, multiTxEncoded, pver, 42, io.ErrShortWrite, io.EOF},
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// Force error in transaction input sequence.
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{multiTx, multiTxEncoded, pver, 49, io.ErrShortWrite, io.EOF},
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// Force error in number of transaction outputs.
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{multiTx, multiTxEncoded, pver, 53, io.ErrShortWrite, io.EOF},
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// Force error in transaction output value.
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{multiTx, multiTxEncoded, pver, 54, io.ErrShortWrite, io.EOF},
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// Force error in transaction output pk script length.
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{multiTx, multiTxEncoded, pver, 62, io.ErrShortWrite, io.EOF},
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// Force error in transaction output pk script.
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{multiTx, multiTxEncoded, pver, 63, io.ErrShortWrite, io.EOF},
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// Force error in transaction output lock time.
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{multiTx, multiTxEncoded, pver, 130, io.ErrShortWrite, io.EOF},
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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 err != 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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// Decode from wire format.
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var msg btcwire.MsgTx
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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 err != 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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}
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}
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// multiTx is a MsgTx with an input and output and used in various tests.
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var multiTx *btcwire.MsgTx = &btcwire.MsgTx{
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Version: 1,
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@ -1,81 +1,89 @@
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github.com/conformal/btcwire/message.go ReadMessage 100.00% (37/37)
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github.com/conformal/btcwire/message.go WriteMessage 100.00% (27/27)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcDecode 100.00% (25/25)
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github.com/conformal/btcwire/msgversion.go MsgVersion.BtcDecode 100.00% (25/25)
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github.com/conformal/btcwire/msgtx.go MsgTx.Copy 100.00% (24/24)
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github.com/conformal/btcwire/common.go readVarInt 100.00% (24/24)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcEncode 100.00% (23/23)
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github.com/conformal/btcwire/msgversion.go MsgVersion.BtcEncode 100.00% (22/22)
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github.com/conformal/btcwire/netaddress.go readNetAddress 100.00% (20/20)
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github.com/conformal/btcwire/message.go makeEmptyMessage 100.00% (20/20)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcDecode 100.00% (19/19)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcDecode 100.00% (19/19)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcDecode 100.00% (19/19)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.BtcEncode 100.00% (18/18)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.BtcEncode 100.00% (18/18)
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github.com/conformal/btcwire/msgtx.go readTxIn 100.00% (17/17)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcDecode 100.00% (16/16)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecodeTxLoc 100.00% (16/16)
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github.com/conformal/btcwire/common.go writeVarInt 100.00% (16/16)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcDecode 100.00% (16/16)
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github.com/conformal/btcwire/shahash.go NewShaHashFromStr 100.00% (15/15)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcEncode 100.00% (15/15)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.BtcEncode 100.00% (15/15)
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github.com/conformal/btcwire/shahash.go NewShaHashFromStr 100.00% (15/15)
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github.com/conformal/btcwire/msgtx.go writeTxIn 100.00% (15/15)
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github.com/conformal/btcwire/netaddress.go writeNetAddress 100.00% (14/14)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcDecode 100.00% (13/13)
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github.com/conformal/btcwire/msginv.go MsgInv.BtcDecode 100.00% (13/13)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcDecode 100.00% (13/13)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcDecode 100.00% (13/13)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.BtcDecode 100.00% (13/13)
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github.com/conformal/btcwire/msginv.go MsgInv.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/protocol.go ServiceFlag.String 100.00% (12/12)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/msginv.go MsgInv.BtcEncode 100.00% (12/12)
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github.com/conformal/btcwire/msgtx.go readTxOut 100.00% (12/12)
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github.com/conformal/btcwire/msgtx.go writeTxOut 100.00% (11/11)
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github.com/conformal/btcwire/blockheader.go readBlockHeader 100.00% (10/10)
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github.com/conformal/btcwire/message.go discardInput 100.00% (10/10)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcDecode 100.00% (10/10)
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github.com/conformal/btcwire/blockheader.go readBlockHeader 100.00% (10/10)
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github.com/conformal/btcwire/msgblock.go MsgBlock.BtcEncode 100.00% (9/9)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcDecode 100.00% (8/8)
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github.com/conformal/btcwire/common.go readVarString 100.00% (8/8)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcEncode 100.00% (8/8)
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github.com/conformal/btcwire/blockheader.go writeBlockHeader 100.00% (8/8)
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github.com/conformal/btcwire/common.go writeVarString 100.00% (7/7)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcDecode 100.00% (8/8)
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github.com/conformal/btcwire/msgalert.go MsgAlert.BtcEncode 100.00% (8/8)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcDecode 100.00% (7/7)
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github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7)
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github.com/conformal/btcwire/message.go readMessageHeader 100.00% (7/7)
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github.com/conformal/btcwire/common.go DoubleSha256 100.00% (7/7)
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github.com/conformal/btcwire/common.go writeVarString 100.00% (7/7)
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github.com/conformal/btcwire/common.go randomUint64 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcEncode 100.00% (7/7)
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github.com/conformal/btcwire/msgversion.go NewMsgVersionFromConn 100.00% (7/7)
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github.com/conformal/btcwire/msgpong.go MsgPong.BtcDecode 100.00% (7/7)
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github.com/conformal/btcwire/blockheader.go BlockHeader.BlockSha 100.00% (5/5)
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github.com/conformal/btcwire/msginv.go MsgInv.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/msgping.go MsgPing.BtcDecode 100.00% (5/5)
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github.com/conformal/btcwire/msgnotfound.go MsgNotFound.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/msgping.go MsgPing.BtcEncode 100.00% (5/5)
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github.com/conformal/btcwire/msgblock.go MsgBlock.TxShas 100.00% (5/5)
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github.com/conformal/btcwire/common.go readElements 100.00% (5/5)
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github.com/conformal/btcwire/msgtx.go MsgTx.TxSha 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go NewShaHash 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go ShaHash.SetBytes 100.00% (5/5)
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github.com/conformal/btcwire/netaddress.go NewNetAddress 100.00% (5/5)
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github.com/conformal/btcwire/blockheader.go BlockHeader.BlockSha 100.00% (5/5)
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github.com/conformal/btcwire/msggetblocks.go MsgGetBlocks.AddBlockLocatorHash 100.00% (5/5)
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github.com/conformal/btcwire/msggetdata.go MsgGetData.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/netaddress.go NewNetAddress 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go ShaHash.SetBytes 100.00% (5/5)
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github.com/conformal/btcwire/shahash.go NewShaHash 100.00% (5/5)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddress 100.00% (5/5)
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github.com/conformal/btcwire/msggetheaders.go MsgGetHeaders.AddBlockLocatorHash 100.00% (5/5)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.AddAddresses 100.00% (5/5)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.AddBlockHeader 100.00% (5/5)
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github.com/conformal/btcwire/common.go writeElements 100.00% (5/5)
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github.com/conformal/btcwire/netaddress.go maxNetAddressPayload 100.00% (4/4)
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github.com/conformal/btcwire/invvect.go readInvVect 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcEncode 100.00% (4/4)
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github.com/conformal/btcwire/msginv.go MsgInv.AddInvVect 100.00% (5/5)
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github.com/conformal/btcwire/msgpong.go MsgPong.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/msgping.go MsgPing.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcDecode 100.00% (4/4)
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github.com/conformal/btcwire/netaddress.go maxNetAddressPayload 100.00% (4/4)
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github.com/conformal/btcwire/invvect.go writeInvVect 100.00% (4/4)
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github.com/conformal/btcwire/msgtx.go writeOutPoint 100.00% (4/4)
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github.com/conformal/btcwire/invvect.go readInvVect 100.00% (4/4)
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github.com/conformal/btcwire/msgping.go MsgPing.MaxPayloadLength 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcEncode 100.00% (4/4)
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github.com/conformal/btcwire/shahash.go ShaHash.String 100.00% (4/4)
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github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3)
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github.com/conformal/btcwire/msgtx.go readOutPoint 100.00% (4/4)
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github.com/conformal/btcwire/msgmempool.go MsgMemPool.BtcDecode 100.00% (4/4)
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github.com/conformal/btcwire/netaddress.go NetAddress.HasService 100.00% (3/3)
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github.com/conformal/btcwire/msgversion.go MsgVersion.HasService 100.00% (3/3)
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github.com/conformal/btcwire/shahash.go ShaHash.Bytes 100.00% (3/3)
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github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3)
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github.com/conformal/btcwire/error.go MessageError.Error 100.00% (3/3)
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github.com/conformal/btcwire/msgaddr.go MsgAddr.MaxPayloadLength 100.00% (3/3)
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github.com/conformal/btcwire/msgblock.go MsgBlock.ClearTransactions 100.00% (2/2)
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github.com/conformal/btcwire/invvect.go InvType.String 100.00% (3/3)
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github.com/conformal/btcwire/msgblock.go MsgBlock.AddTransaction 100.00% (3/3)
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github.com/conformal/btcwire/error.go MessageError.Error 100.00% (3/3)
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github.com/conformal/btcwire/shahash.go ShaHash.Bytes 100.00% (3/3)
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github.com/conformal/btcwire/netaddress.go NetAddress.SetAddress 100.00% (2/2)
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github.com/conformal/btcwire/msgblock.go MsgBlock.ClearTransactions 100.00% (2/2)
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github.com/conformal/btcwire/msgheaders.go MsgHeaders.Command 100.00% (1/1)
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github.com/conformal/btcwire/blockheader.go NewBlockHeader 100.00% (1/1)
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github.com/conformal/btcwire/common.go readElement 100.00% (1/1)
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@ -141,13 +149,5 @@ github.com/conformal/btcwire/msgversion.go NewMsgVersion 100.00% (1/1)
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github.com/conformal/btcwire/netaddress.go NetAddress.AddService 100.00% (1/1)
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github.com/conformal/btcwire/shahash.go ShaHash.IsEqual 100.00% (1/1)
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github.com/conformal/btcwire/invvect.go NewInvVect 100.00% (1/1)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcDecode 80.00% (20/25)
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github.com/conformal/btcwire/msgtx.go MsgTx.BtcEncode 78.26% (18/23)
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github.com/conformal/btcwire/msgtx.go readTxIn 76.47% (13/17)
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github.com/conformal/btcwire/msgtx.go readTxOut 75.00% (9/12)
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github.com/conformal/btcwire/msgtx.go readOutPoint 75.00% (3/4)
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github.com/conformal/btcwire/msgtx.go writeOutPoint 75.00% (3/4)
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github.com/conformal/btcwire/msgtx.go writeTxIn 73.33% (11/15)
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github.com/conformal/btcwire/msgtx.go writeTxOut 72.73% (8/11)
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github.com/conformal/btcwire --------------------------------- 97.18% (897/923)
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github.com/conformal/btcwire --------------------------------- 100.00% (923/923)
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