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182 lines
5.0 KiB
182 lines
5.0 KiB
package consensus
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import (
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. "github.com/tendermint/tendermint/blocks"
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. "github.com/tendermint/tendermint/common"
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"testing"
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)
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// NOTE: see consensus/test.go for common test methods.
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func TestAddVote(t *testing.T) {
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voteSet, _, privAccounts := makeVoteSet(0, 0, 10, 1)
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// t.Logf(">> %v", voteSet)
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if voteSet.Get(0) != nil {
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t.Errorf("Expected Get(0) to be nil")
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}
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if voteSet.BitArray().GetIndex(0) {
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t.Errorf("Expected BitArray.GetIndex(0) to be false")
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}
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hash, ok := voteSet.TwoThirdsMajority()
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if hash != nil || ok {
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t.Errorf("There should be no 2/3 majority")
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}
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vote := &Vote{Height: 0, Round: 0, Type: VoteTypePrevote, BlockHash: nil}
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privAccounts[0].Sign(vote)
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voteSet.Add(vote)
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if voteSet.Get(0) == nil {
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t.Errorf("Expected Get(0) to be present")
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}
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if !voteSet.BitArray().GetIndex(0) {
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t.Errorf("Expected BitArray.GetIndex(0) to be true")
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}
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hash, ok = voteSet.TwoThirdsMajority()
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if hash != nil || ok {
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t.Errorf("There should be no 2/3 majority")
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}
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}
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func Test2_3Majority(t *testing.T) {
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voteSet, _, privAccounts := makeVoteSet(0, 0, 10, 1)
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// 6 out of 10 voted for nil.
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vote := &Vote{Height: 0, Round: 0, Type: VoteTypePrevote, BlockHash: nil}
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for i := 0; i < 6; i++ {
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privAccounts[i].Sign(vote)
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voteSet.Add(vote)
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}
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hash, ok := voteSet.TwoThirdsMajority()
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if hash != nil || ok {
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t.Errorf("There should be no 2/3 majority")
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}
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// 7th validator voted for some blockhash
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vote.BlockHash = CRandBytes(32)
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privAccounts[6].Sign(vote)
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voteSet.Add(vote)
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hash, ok = voteSet.TwoThirdsMajority()
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if hash != nil || ok {
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t.Errorf("There should be no 2/3 majority")
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}
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// 8th validator voted for nil.
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vote.BlockHash = nil
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privAccounts[7].Sign(vote)
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voteSet.Add(vote)
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hash, ok = voteSet.TwoThirdsMajority()
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if hash != nil || !ok {
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t.Errorf("There should be 2/3 majority for nil")
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}
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}
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func TestBadVotes(t *testing.T) {
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voteSet, _, privAccounts := makeVoteSet(1, 0, 10, 1)
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// val0 votes for nil.
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vote := &Vote{Height: 1, Round: 0, Type: VoteTypePrevote, BlockHash: nil}
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privAccounts[0].Sign(vote)
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added, err := voteSet.Add(vote)
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if !added || err != nil {
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t.Errorf("Expected Add(vote) to succeed")
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}
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// val0 votes again for some block.
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vote = &Vote{Height: 1, Round: 0, Type: VoteTypePrevote, BlockHash: CRandBytes(32)}
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privAccounts[0].Sign(vote)
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added, err = voteSet.Add(vote)
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if added || err == nil {
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t.Errorf("Expected Add(vote) to fail, dupeout.")
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}
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// val1 votes on another height
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vote = &Vote{Height: 0, Round: 0, Type: VoteTypePrevote, BlockHash: nil}
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privAccounts[1].Sign(vote)
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added, err = voteSet.Add(vote)
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if added {
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t.Errorf("Expected Add(vote) to fail, wrong height")
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}
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// val2 votes on another round
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vote = &Vote{Height: 1, Round: 1, Type: VoteTypePrevote, BlockHash: nil}
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privAccounts[2].Sign(vote)
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added, err = voteSet.Add(vote)
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if added {
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t.Errorf("Expected Add(vote) to fail, wrong round")
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}
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// val3 votes of another type.
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vote = &Vote{Height: 1, Round: 0, Type: VoteTypePrecommit, BlockHash: nil}
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privAccounts[3].Sign(vote)
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added, err = voteSet.Add(vote)
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if added {
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t.Errorf("Expected Add(vote) to fail, wrong type")
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}
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}
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func TestAddCommitsToPrevoteVotes(t *testing.T) {
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voteSet, _, privAccounts := makeVoteSet(1, 5, 10, 1)
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// val0, val1, val2, val3, val4, val5 vote for nil.
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vote := &Vote{Height: 1, Round: 5, Type: VoteTypePrevote, BlockHash: nil}
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for i := 0; i < 6; i++ {
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privAccounts[i].Sign(vote)
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voteSet.Add(vote)
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}
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hash, ok := voteSet.TwoThirdsMajority()
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if hash != nil || ok {
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t.Errorf("There should be no 2/3 majority")
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}
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// Attempt to add a commit from val6 at a previous height
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vote = &Vote{Height: 0, Round: 5, Type: VoteTypeCommit, BlockHash: nil}
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privAccounts[6].Sign(vote)
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added, _ := voteSet.Add(vote)
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if added {
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t.Errorf("Expected Add(vote) to fail, wrong height.")
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}
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// Attempt to add a commit from val6 at a later round
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vote = &Vote{Height: 1, Round: 6, Type: VoteTypeCommit, BlockHash: nil}
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privAccounts[6].Sign(vote)
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added, _ = voteSet.Add(vote)
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if added {
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t.Errorf("Expected Add(vote) to fail, cannot add future round vote.")
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}
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// Attempt to add a commit from val6 for currrent height/round.
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vote = &Vote{Height: 1, Round: 5, Type: VoteTypeCommit, BlockHash: nil}
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privAccounts[6].Sign(vote)
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added, err := voteSet.Add(vote)
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if added || err == nil {
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t.Errorf("Expected Add(vote) to fail, only prior round commits can be added.")
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}
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// Add commit from val6 at a previous round
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vote = &Vote{Height: 1, Round: 4, Type: VoteTypeCommit, BlockHash: nil}
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privAccounts[6].Sign(vote)
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added, err = voteSet.Add(vote)
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if !added || err != nil {
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t.Errorf("Expected Add(vote) to succeed, commit for prior rounds are relevant.")
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}
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// Also add commit from val7 for previous round.
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vote = &Vote{Height: 1, Round: 3, Type: VoteTypeCommit, BlockHash: nil}
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privAccounts[7].Sign(vote)
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added, err = voteSet.Add(vote)
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if !added || err != nil {
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t.Errorf("Expected Add(vote) to succeed. err: %v", err)
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}
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// We should have 2/3 majority
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hash, ok = voteSet.TwoThirdsMajority()
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if hash != nil || !ok {
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t.Errorf("There should be 2/3 majority for nil")
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}
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}
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