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raft: add more comments for dueling candidates test case

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This commit is contained in:
swingbach@gmail.com 2016-05-19 10:38:10 +08:00
parent c703ccab63
commit 1e54117580
1 changed files with 6 additions and 0 deletions
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6
raft/raft_test.go
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@ -476,17 +476,23 @@ func TestDuelingCandidates(t *testing.T) {
nt.send(pb.Message{From: 1, To: 1, Type: pb.MsgHup})
nt.send(pb.Message{From: 3, To: 3, Type: pb.MsgHup})
// 1 becomes leader since it receives votes from 1 and 2
sm := nt.peers[1].(*raft)
if sm.state != StateLeader {
t.Errorf("state = %s, want %s", sm.state, StateLeader)
}
// 3 stays as candidate since it receives a vote from 3 and a rejection from 2
sm = nt.peers[3].(*raft)
if sm.state != StateCandidate {
t.Errorf("state = %s, want %s", sm.state, StateCandidate)
}
nt.recover()
// candidate 3 now increases its term and tries to vote again
// we expect it to disrupt the leader 1 since it has a higher term
// 3 will be follower again since both 1 and 2 rejects its vote request since 3 does not have a long enough log
nt.send(pb.Message{From: 3, To: 3, Type: pb.MsgHup})
wlog := &raftLog{