public async Task Acceptor_OlderPrepareRequest_Rejected()
{
var acceptor = new Acceptor <string>("sample-acceptor");
var winningProposal = new Proposal <string>(100, "192.168.0.100");
var winningRequest = new PrepareRequest(winningProposal);
var winningResponse = await acceptor.ReceivePrepareRequestAsync(winningRequest)
.ConfigureAwait(false);
var newProposal = new Proposal <string>(99, "192.168.0.99");
var newRequest = new PrepareRequest(newProposal);
var newResponse = await acceptor.ReceivePrepareRequestAsync(newRequest)
.ConfigureAwait(false);
Assert.NotNull(newResponse);
Assert.False(newResponse.Promised);
Assert.NotNull(newResponse.AcceptedProposal);
Assert.IsType <Proposal <string> >(newResponse.AcceptedProposal);
Assert.IsNotType <Proposal <object> >(newResponse.AcceptedProposal);
Assert.IsNotType <Proposal <int> >(newResponse.AcceptedProposal);
Assert.Equal(winningProposal, winningResponse.AcceptedProposal);
Assert.Equal(100, acceptor.PromisedProposalNumber);
Assert.NotNull(acceptor.PromisedProposal.As <Proposal <string> >());
Assert.Equal("192.168.0.100", acceptor.PromisedProposal.As <Proposal <string> >() !.Value);
Assert.Equal($"sample-acceptor: Proposal {{ Number = 100, Value = 192.168.0.100 }}", acceptor.ToString());
}
public async Task Acceptor_CuncurrentPrepareRequests_PromiseHighestNumber()
{
var rnd = new Random(42);
var acceptor = new Acceptor <string>("sample-acceptor");
var randomNumbers = Enumerable.Range(1, 10)
.Select(i => rnd.Next(200, 500))
.ToArray();
var maxNumber = randomNumbers.Max();
var requestTasks = randomNumbers
.Select(i => new PrepareRequest(new Proposal <string>(i, $"proposal-{i:D5}")))
.Select(req => acceptor.ReceivePrepareRequestAsync(req));
_ = await Task.WhenAll(requestTasks).ConfigureAwait(false);
Assert.Equal(maxNumber, acceptor.PromisedProposalNumber);
}
public async Task NewAcceptor_ReceivePrepareRequest_Promised()
{
var acceptor = new Acceptor <string>("sample-acceptor");
var proposal = new Proposal <string>(1, "192.168.0.1");
var request = new PrepareRequest(proposal);
var response = await acceptor.ReceivePrepareRequestAsync(request)
.ConfigureAwait(false);
Assert.NotNull(response);
Assert.True(response.Promised);
Assert.NotNull(response.AcceptedProposal);
Assert.IsType <Proposal <string> >(response.AcceptedProposal);
Assert.IsNotType <Proposal <object> >(response.AcceptedProposal);
Assert.IsNotType <Proposal <int> >(response.AcceptedProposal);
Assert.Equal(proposal, response.AcceptedProposal);
Assert.Equal(1, acceptor.PromisedProposalNumber);
Assert.NotNull(acceptor.PromisedProposal.As <Proposal <string> >());
Assert.Equal("192.168.0.1", acceptor.PromisedProposal.As <Proposal <string> >() !.Value);
Assert.Equal($"sample-acceptor: Proposal {{ Number = 1, Value = 192.168.0.1 }}", acceptor.ToString());
}