public async Task NeverVotesTwice()
{
var leaderId = Guid.NewGuid();
_server = new DefaultRaftServer(_sister, _sister, _sister, _maqina.Object, _manijer.Object, _settings);
_server.LastHeartBeat = new AlwaysRecentTimestamp();
_server.LastHeartBeatSent = new AlwaysRecentTimestamp();
_server.Start();
Thread.Sleep(400);
var result = await _server.RequestVoteAsync(new RequestVoteRequest()
{
CandidateId = Guid.NewGuid(),
CurrentTerm = 2,
LastLogIndex = 2,
LastLogTerm = 1
});
Thread.Sleep(400);
var result2 = await _server.RequestVoteAsync(new RequestVoteRequest()
{
CandidateId = Guid.NewGuid(),
CurrentTerm = 2,
LastLogIndex = 2,
LastLogTerm = 1
});
Assert.False(result2.VoteGranted);
}
public async Task NeverVotesYesToLowerTerm()
{
var leaderId = Guid.NewGuid();
_server = new DefaultRaftServer(_sister, _sister, _sister, _maqina.Object, _manijer.Object, _settings);
_server.Start();
// to set the term to 1
var result = await _server.RequestVoteAsync(new RequestVoteRequest()
{
CandidateId = Guid.NewGuid(),
CurrentTerm = 1,
LastLogIndex = 2,
LastLogTerm = 1
});
Thread.Sleep(400); // now it becomes candidate and returns no
// now its term already moved to 2 due to timeout
result = await _server.RequestVoteAsync(new RequestVoteRequest()
{
CandidateId = Guid.NewGuid(),
CurrentTerm = 1,
LastLogIndex = 2,
LastLogTerm = 1
});
Assert.False(result.VoteGranted);
Assert.Equal(2, result.CurrentTerm);
}