4bf1682815
This updates the blockchain and mempool packages for the recent conversion to the new preferred error infrastructure to finish a TODO that was mean to take advantage of it as well as address some other nits such as comments that weren't updated properly and test formatting.
267 lines
9.7 KiB
Go
267 lines
9.7 KiB
Go
// Copyright (c) 2014 The btcsuite developers
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// Copyright (c) 2015-2020 The Decred 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 blockchain
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import (
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"errors"
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"io"
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"testing"
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)
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// TestErrorKindStringer tests the stringized output for the ErrorKind type.
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func TestErrorKindStringer(t *testing.T) {
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tests := []struct {
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in ErrorKind
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want string
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}{
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{ErrDuplicateBlock, "ErrDuplicateBlock"},
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{ErrMissingParent, "ErrMissingParent"},
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{ErrBlockTooBig, "ErrBlockTooBig"},
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{ErrWrongBlockSize, "ErrWrongBlockSize"},
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{ErrBlockVersionTooOld, "ErrBlockVersionTooOld"},
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{ErrBadStakeVersion, "ErrBadStakeVersion"},
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{ErrInvalidTime, "ErrInvalidTime"},
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{ErrTimeTooOld, "ErrTimeTooOld"},
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{ErrTimeTooNew, "ErrTimeTooNew"},
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{ErrDifficultyTooLow, "ErrDifficultyTooLow"},
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{ErrUnexpectedDifficulty, "ErrUnexpectedDifficulty"},
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{ErrHighHash, "ErrHighHash"},
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{ErrBadMerkleRoot, "ErrBadMerkleRoot"},
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{ErrBadCommitmentRoot, "ErrBadCommitmentRoot"},
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{ErrBadCheckpoint, "ErrBadCheckpoint"},
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{ErrForkTooOld, "ErrForkTooOld"},
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{ErrCheckpointTimeTooOld, "ErrCheckpointTimeTooOld"},
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{ErrNoTransactions, "ErrNoTransactions"},
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{ErrTooManyTransactions, "ErrTooManyTransactions"},
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{ErrNoTxInputs, "ErrNoTxInputs"},
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{ErrNoTxOutputs, "ErrNoTxOutputs"},
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{ErrInvalidTxOutputs, "ErrInvalidTxOutputs"},
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{ErrTxTooBig, "ErrTxTooBig"},
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{ErrBadTxOutValue, "ErrBadTxOutValue"},
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{ErrDuplicateTxInputs, "ErrDuplicateTxInputs"},
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{ErrBadTxInput, "ErrBadTxInput"},
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{ErrMissingTxOut, "ErrMissingTxOut"},
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{ErrUnfinalizedTx, "ErrUnfinalizedTx"},
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{ErrDuplicateTx, "ErrDuplicateTx"},
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{ErrOverwriteTx, "ErrOverwriteTx"},
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{ErrImmatureSpend, "ErrImmatureSpend"},
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{ErrSpendTooHigh, "ErrSpendTooHigh"},
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{ErrBadFees, "ErrBadFees"},
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{ErrTooManySigOps, "ErrTooManySigOps"},
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{ErrFirstTxNotCoinbase, "ErrFirstTxNotCoinbase"},
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{ErrFirstTxNotOpReturn, "ErrFirstTxNotOpReturn"},
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{ErrCoinbaseHeight, "ErrCoinbaseHeight"},
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{ErrMultipleCoinbases, "ErrMultipleCoinbases"},
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{ErrStakeTxInRegularTree, "ErrStakeTxInRegularTree"},
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{ErrRegTxInStakeTree, "ErrRegTxInStakeTree"},
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{ErrBadCoinbaseScriptLen, "ErrBadCoinbaseScriptLen"},
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{ErrBadCoinbaseValue, "ErrBadCoinbaseValue"},
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{ErrBadCoinbaseOutpoint, "ErrBadCoinbaseOutpoint"},
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{ErrBadCoinbaseFraudProof, "ErrBadCoinbaseFraudProof"},
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{ErrBadCoinbaseAmountIn, "ErrBadCoinbaseAmountIn"},
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{ErrBadStakebaseAmountIn, "ErrBadStakebaseAmountIn"},
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{ErrBadStakebaseScriptLen, "ErrBadStakebaseScriptLen"},
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{ErrBadStakebaseScrVal, "ErrBadStakebaseScrVal"},
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{ErrScriptMalformed, "ErrScriptMalformed"},
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{ErrScriptValidation, "ErrScriptValidation"},
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{ErrNotEnoughStake, "ErrNotEnoughStake"},
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{ErrStakeBelowMinimum, "ErrStakeBelowMinimum"},
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{ErrNonstandardStakeTx, "ErrNonstandardStakeTx"},
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{ErrNotEnoughVotes, "ErrNotEnoughVotes"},
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{ErrTooManyVotes, "ErrTooManyVotes"},
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{ErrFreshStakeMismatch, "ErrFreshStakeMismatch"},
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{ErrTooManySStxs, "ErrTooManySStxs"},
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{ErrInvalidEarlyStakeTx, "ErrInvalidEarlyStakeTx"},
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{ErrTicketUnavailable, "ErrTicketUnavailable"},
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{ErrVotesOnWrongBlock, "ErrVotesOnWrongBlock"},
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{ErrVotesMismatch, "ErrVotesMismatch"},
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{ErrIncongruentVotebit, "ErrIncongruentVotebit"},
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{ErrInvalidSSRtx, "ErrInvalidSSRtx"},
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{ErrRevocationsMismatch, "ErrRevocationsMismatch"},
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{ErrTooManyRevocations, "ErrTooManyRevocations"},
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{ErrTicketCommitment, "ErrTicketCommitment"},
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{ErrInvalidVoteInput, "ErrInvalidVoteInput"},
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{ErrBadNumPayees, "ErrBadNumPayees"},
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{ErrBadPayeeScriptVersion, "ErrBadPayeeScriptVersion"},
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{ErrBadPayeeScriptType, "ErrBadPayeeScriptType"},
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{ErrMismatchedPayeeHash, "ErrMismatchedPayeeHash"},
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{ErrBadPayeeValue, "ErrBadPayeeValue"},
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{ErrSSGenSubsidy, "ErrSSGenSubsidy"},
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{ErrImmatureTicketSpend, "ErrImmatureTicketSpend"},
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{ErrTicketInputScript, "ErrTicketInputScript"},
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{ErrInvalidRevokeInput, "ErrInvalidRevokeInput"},
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{ErrSSRtxPayees, "ErrSSRtxPayees"},
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{ErrTxSStxOutSpend, "ErrTxSStxOutSpend"},
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{ErrRegTxCreateStakeOut, "ErrRegTxCreateStakeOut"},
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{ErrInvalidFinalState, "ErrInvalidFinalState"},
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{ErrPoolSize, "ErrPoolSize"},
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{ErrForceReorgWrongChain, "ErrForceReorgWrongChain"},
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{ErrForceReorgMissingChild, "ErrForceReorgMissingChild"},
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{ErrBadStakebaseValue, "ErrBadStakebaseValue"},
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{ErrDiscordantTxTree, "ErrDiscordantTxTree"},
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{ErrStakeFees, "ErrStakeFees"},
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{ErrNoStakeTx, "ErrNoStakeTx"},
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{ErrBadBlockHeight, "ErrBadBlockHeight"},
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{ErrBlockOneTx, "ErrBlockOneTx"},
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{ErrBlockOneInputs, "ErrBlockOneInputs"},
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{ErrBlockOneOutputs, "ErrBlockOneOutputs"},
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{ErrNoTax, "ErrNoTax"},
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{ErrExpiredTx, "ErrExpiredTx"},
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{ErrExpiryTxSpentEarly, "ErrExpiryTxSpentEarly"},
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{ErrFraudAmountIn, "ErrFraudAmountIn"},
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{ErrFraudBlockHeight, "ErrFraudBlockHeight"},
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{ErrFraudBlockIndex, "ErrFraudBlockIndex"},
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{ErrZeroValueOutputSpend, "ErrZeroValueOutputSpend"},
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{ErrInvalidEarlyVoteBits, "ErrInvalidEarlyVoteBits"},
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{ErrInvalidEarlyFinalState, "ErrInvalidEarlyFinalState"},
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{ErrKnownInvalidBlock, "ErrKnownInvalidBlock"},
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{ErrInvalidAncestorBlock, "ErrInvalidAncestorBlock"},
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{ErrInvalidTemplateParent, "ErrInvalidTemplateParent"},
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{ErrUnknownPiKey, "ErrUnknownPiKey"},
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{ErrInvalidPiSignature, "ErrInvalidPiSignature"},
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{ErrInvalidTVoteWindow, "ErrInvalidTVoteWindow"},
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{ErrNotTVI, "ErrNotTVI"},
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{ErrInvalidTSpendWindow, "ErrInvalidTSpendWindow"},
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{ErrNotEnoughTSpendVotes, "ErrNotEnoughTSpendVotes"},
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{ErrInvalidTSpendValueIn, "ErrInvalidTSpendValueIn"},
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{ErrTSpendExists, "ErrTSpendExists"},
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{ErrInvalidExpenditure, "ErrInvalidExpenditure"},
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{ErrFirstTxNotTreasurybase, "ErrFirstTxNotTreasurybase"},
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{ErrBadTreasurybaseOutpoint, "ErrBadTreasurybaseOutpoint"},
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{ErrBadTreasurybaseFraudProof, "ErrBadTreasurybaseFraudProof"},
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{ErrBadTreasurybaseScriptLen, "ErrBadTreasurybaseScriptLen"},
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{ErrTreasurybaseTxNotOpReturn, "ErrTreasurybaseTxNotOpReturn"},
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{ErrTreasurybaseHeight, "ErrTreasurybaseHeight"},
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{ErrMultipleTreasurybases, "ErrMultipleTreasurybases"},
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{ErrInvalidTreasurybaseTxOutputs, "ErrInvalidTreasurybaseTxOutputs"},
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{ErrInvalidTreasurybaseVersion, "ErrInvalidTreasurybaseVersion"},
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{ErrInvalidTreasurybaseScript, "ErrInvalidTreasurybaseScript"},
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{ErrMultipleTreasurybases, "ErrMultipleTreasurybases"},
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{ErrBadTreasurybaseAmountIn, "ErrBadTreasurybaseAmountIn"},
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{ErrBadTSpendOutpoint, "ErrBadTSpendOutpoint"},
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{ErrBadTSpendFraudProof, "ErrBadTSpendFraudProof"},
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{ErrBadTSpendScriptLen, "ErrBadTSpendScriptLen"},
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{ErrInvalidTAddChange, "ErrInvalidTAddChange"},
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{ErrTooManyTAdds, "ErrTooManyTAdds"},
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{ErrTicketExhaustion, "ErrTicketExhaustion"},
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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.Error()
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if result != test.want {
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t.Errorf("#%d: got: %s want: %s", i, result, test.want)
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continue
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}
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}
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}
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// TestRuleError tests the error output for the RuleError type.
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func TestRuleError(t *testing.T) {
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tests := []struct {
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in RuleError
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want string
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}{{
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RuleError{Description: "duplicate block"},
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"duplicate block",
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}, {
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RuleError{Description: "human-readable error"},
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"human-readable error",
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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.Error()
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if result != test.want {
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t.Errorf("#%d: got: %s want: %s", i, result, test.want)
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continue
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}
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}
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}
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// TestErrorKindIsAs ensures both ErrorKind and Error can be identified as being
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// a specific error kind via errors.Is and unwrapped via errors.As.
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func TestErrorKindIsAs(t *testing.T) {
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tests := []struct {
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name string
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err error
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target error
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wantMatch bool
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wantAs ErrorKind
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}{{
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name: "ErrDuplicateBlock == ErrDuplicateBlock",
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err: ErrDuplicateBlock,
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target: ErrDuplicateBlock,
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wantMatch: true,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "RuleError.ErrDuplicateBlock == ErrDuplicateBlock",
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err: ruleError(ErrDuplicateBlock, ""),
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target: ErrDuplicateBlock,
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wantMatch: true,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "RuleError.ErrDuplicateBlock == RuleError.ErrDuplicateBlock",
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err: ruleError(ErrDuplicateBlock, ""),
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target: ruleError(ErrDuplicateBlock, ""),
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wantMatch: true,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "ErrDuplicateBlock != ErrMissingParent",
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err: ErrDuplicateBlock,
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target: ErrMissingParent,
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wantMatch: false,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "RuleError.ErrDuplicateBlock != ErrMissingParent",
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err: ruleError(ErrDuplicateBlock, ""),
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target: ErrMissingParent,
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wantMatch: false,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "ErrDuplicateBlock != RuleError.ErrMissingParent",
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err: ErrDuplicateBlock,
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target: ruleError(ErrMissingParent, ""),
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wantMatch: false,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "RuleError.ErrDuplicateBlock != RuleError.ErrMissingParent",
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err: ruleError(ErrDuplicateBlock, ""),
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target: ruleError(ErrMissingParent, ""),
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wantMatch: false,
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wantAs: ErrDuplicateBlock,
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}, {
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name: "RuleError.ErrDuplicateBlock != io.EOF",
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err: ruleError(ErrDuplicateBlock, ""),
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target: io.EOF,
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wantMatch: false,
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wantAs: ErrDuplicateBlock,
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}}
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for _, test := range tests {
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// Ensure the error matches or not depending on the expected result.
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result := errors.Is(test.err, test.target)
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if result != test.wantMatch {
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t.Errorf("%s: incorrect error identification -- got %v, want %v",
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test.name, result, test.wantMatch)
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continue
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}
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// Ensure the underlying error kind can be unwrapped is and is the
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// expected kind.
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var kind ErrorKind
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if !errors.As(test.err, &kind) {
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t.Errorf("%s: unable to unwrap to error kind", test.name)
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continue
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}
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if kind != test.wantAs {
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t.Errorf("%s: unexpected unwrapped error kind -- got %v, want %v",
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test.name, kind, test.wantAs)
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continue
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}
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}
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}
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