Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More

How to use GetLogTermForIndex method of Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.GetLogTermForIndex

RaftTests.cs

Source:RaftTests.cs

...459                    {460                        continue;461                    }462                    var lastLogIndex = this.Logs.Count;463                    var lastLogTerm = this.GetLogTermForIndex(lastLogIndex);464                    this.SendEvent(this.Servers[idx], new VoteRequest(this.CurrentTerm, this.Id,465                        lastLogIndex, lastLogTerm));466                }467            }468            private void VoteAsCandidate(Event e)469            {470                var request = e as VoteRequest;471                if (request.Term > this.CurrentTerm)472                {473                    this.CurrentTerm = request.Term;474                    this.VotedFor = null;475                    this.Vote(e as VoteRequest);476                    this.RaiseEvent(new BecomeFollower());477                }478                else479                {480                    this.Vote(e as VoteRequest);481                }482            }483            private void RespondVoteAsCandidate(Event e)484            {485                var request = e as VoteResponse;486                if (request.Term > this.CurrentTerm)487                {488                    this.CurrentTerm = request.Term;489                    this.VotedFor = null;490                    this.RaiseEvent(new BecomeFollower());491                }492                else if (request.Term != this.CurrentTerm)493                {494                    return;495                }496                if (request.VoteGranted)497                {498                    this.VotesReceived++;499                    if (this.VotesReceived >= (this.Servers.Length / 2) + 1)500                    {501                        this.VotesReceived = 0;502                        this.RaiseEvent(new BecomeLeader());503                    }504                }505            }506            private void AppendEntriesAsCandidate(Event e)507            {508                var request = e as AppendEntriesRequest;509                if (request.Term > this.CurrentTerm)510                {511                    this.CurrentTerm = request.Term;512                    this.VotedFor = null;513                    this.AppendEntries(e as AppendEntriesRequest);514                    this.RaiseEvent(new BecomeFollower());515                }516                else517                {518                    this.AppendEntries(e as AppendEntriesRequest);519                }520            }521            private void RespondAppendEntriesAsCandidate(Event e)522            {523                var request = e as AppendEntriesResponse;524                if (request.Term > this.CurrentTerm)525                {526                    this.CurrentTerm = request.Term;527                    this.VotedFor = null;528                    this.RaiseEvent(new BecomeFollower());529                }530            }531            [OnEntry(nameof(LeaderOnInit))]532            [OnEventDoAction(typeof(Client.Request), nameof(ProcessClientRequest))]533            [OnEventDoAction(typeof(VoteRequest), nameof(VoteAsLeader))]534            [OnEventDoAction(typeof(VoteResponse), nameof(RespondVoteAsLeader))]535            [OnEventDoAction(typeof(AppendEntriesRequest), nameof(AppendEntriesAsLeader))]536            [OnEventDoAction(typeof(AppendEntriesResponse), nameof(RespondAppendEntriesAsLeader))]537            [OnEventDoAction(typeof(ShutDown), nameof(ShuttingDown))]538            [OnEventGotoState(typeof(BecomeFollower), typeof(Follower))]539            [IgnoreEvents(typeof(ElectionTimer.Timeout), typeof(PeriodicTimer.Timeout))]540            private class Leader : State541            {542            }543            private void LeaderOnInit()544            {545                this.Monitor<SafetyMonitor>(new SafetyMonitor.NotifyLeaderElected(this.CurrentTerm));546                this.SendEvent(this.ClusterManager, new ClusterManager.NotifyLeaderUpdate(this.Id, this.CurrentTerm));547                var logIndex = this.Logs.Count;548                var logTerm = this.GetLogTermForIndex(logIndex);549                this.NextIndex.Clear();550                this.MatchIndex.Clear();551                for (int idx = 0; idx < this.Servers.Length; idx++)552                {553                    if (idx == this.ServerId)554                    {555                        continue;556                    }557                    this.NextIndex.Add(this.Servers[idx], logIndex + 1);558                    this.MatchIndex.Add(this.Servers[idx], 0);559                }560                for (int idx = 0; idx < this.Servers.Length; idx++)561                {562                    if (idx == this.ServerId)563                    {564                        continue;565                    }566                    this.SendEvent(this.Servers[idx], new AppendEntriesRequest(this.CurrentTerm, this.Id,567                        logIndex, logTerm, new List<Log>(), this.CommitIndex, null));568                }569            }570            private void ProcessClientRequest(Event e)571            {572                this.LastClientRequest = e as Client.Request;573                var log = new Log(this.CurrentTerm, this.LastClientRequest.Command);574                this.Logs.Add(log);575                this.BroadcastLastClientRequest();576            }577            private void BroadcastLastClientRequest()578            {579                var lastLogIndex = this.Logs.Count;580                this.VotesReceived = 1;581                for (int idx = 0; idx < this.Servers.Length; idx++)582                {583                    if (idx == this.ServerId)584                    {585                        continue;586                    }587                    var server = this.Servers[idx];588                    if (lastLogIndex < this.NextIndex[server])589                    {590                        continue;591                    }592                    var logs = this.Logs.GetRange(this.NextIndex[server] - 1, this.Logs.Count - (this.NextIndex[server] - 1));593                    var prevLogIndex = this.NextIndex[server] - 1;594                    var prevLogTerm = this.GetLogTermForIndex(prevLogIndex);595                    this.SendEvent(server, new AppendEntriesRequest(this.CurrentTerm, this.Id, prevLogIndex,596                        prevLogTerm, logs, this.CommitIndex, this.LastClientRequest.Client));597                }598            }599            private void VoteAsLeader(Event e)600            {601                var request = e as VoteRequest;602                if (request.Term > this.CurrentTerm)603                {604                    this.CurrentTerm = request.Term;605                    this.VotedFor = null;606                    this.RedirectLastClientRequestToClusterManager();607                    this.Vote(e as VoteRequest);608                    this.RaiseEvent(new BecomeFollower());609                }610                else611                {612                    this.Vote(e as VoteRequest);613                }614            }615            private void RespondVoteAsLeader(Event e)616            {617                var request = e as VoteResponse;618                if (request.Term > this.CurrentTerm)619                {620                    this.CurrentTerm = request.Term;621                    this.VotedFor = null;622                    this.RedirectLastClientRequestToClusterManager();623                    this.RaiseEvent(new BecomeFollower());624                }625            }626            private void AppendEntriesAsLeader(Event e)627            {628                var request = e as AppendEntriesRequest;629                if (request.Term > this.CurrentTerm)630                {631                    this.CurrentTerm = request.Term;632                    this.VotedFor = null;633                    this.RedirectLastClientRequestToClusterManager();634                    this.AppendEntries(e as AppendEntriesRequest);635                    this.RaiseEvent(new BecomeFollower());636                }637            }638            private void RespondAppendEntriesAsLeader(Event e)639            {640                var request = e as AppendEntriesResponse;641                if (request.Term > this.CurrentTerm)642                {643                    this.CurrentTerm = request.Term;644                    this.VotedFor = null;645                    this.RedirectLastClientRequestToClusterManager();646                    this.RaiseEvent(new BecomeFollower());647                }648                else if (request.Term != this.CurrentTerm)649                {650                    return;651                }652                if (request.Success)653                {654                    this.NextIndex[request.Server] = this.Logs.Count + 1;655                    this.MatchIndex[request.Server] = this.Logs.Count;656                    this.VotesReceived++;657                    if (request.ReceiverEndpoint != null &&658                        this.VotesReceived >= (this.Servers.Length / 2) + 1)659                    {660                        var commitIndex = this.MatchIndex[request.Server];661                        if (commitIndex > this.CommitIndex &&662                            this.Logs[commitIndex - 1].Term == this.CurrentTerm)663                        {664                            this.CommitIndex = commitIndex;665                        }666                        this.VotesReceived = 0;667                        this.LastClientRequest = null;668                        this.SendEvent(request.ReceiverEndpoint, new Client.Response());669                    }670                }671                else672                {673                    if (this.NextIndex[request.Server] > 1)674                    {675                        this.NextIndex[request.Server] = this.NextIndex[request.Server] - 1;676                    }677                    var logs = this.Logs.GetRange(this.NextIndex[request.Server] - 1, this.Logs.Count - (this.NextIndex[request.Server] - 1));678                    var prevLogIndex = this.NextIndex[request.Server] - 1;679                    var prevLogTerm = this.GetLogTermForIndex(prevLogIndex);680                    this.SendEvent(request.Server, new AppendEntriesRequest(this.CurrentTerm, this.Id, prevLogIndex,681                        prevLogTerm, logs, this.CommitIndex, request.ReceiverEndpoint));682                }683            }684            /// <summary>685            /// Processes the given vote request.686            /// </summary>687            /// <param name="request">VoteRequest.</param>688            private void Vote(VoteRequest request)689            {690                var lastLogIndex = this.Logs.Count;691                var lastLogTerm = this.GetLogTermForIndex(lastLogIndex);692                if (request.Term < this.CurrentTerm ||693                    (this.VotedFor != null && this.VotedFor != request.CandidateId) ||694                    lastLogIndex > request.LastLogIndex ||695                    lastLogTerm > request.LastLogTerm)696                {697                    this.SendEvent(request.CandidateId, new VoteResponse(this.CurrentTerm, false));698                }699                else700                {701                    this.VotedFor = request.CandidateId;702                    this.LeaderId = null;703                    this.SendEvent(request.CandidateId, new VoteResponse(this.CurrentTerm, true));704                }705            }706            /// <summary>707            /// Processes the given append entries request.708            /// </summary>709            /// <param name="request">AppendEntriesRequest.</param>710            private void AppendEntries(AppendEntriesRequest request)711            {712                if (request.Term < this.CurrentTerm)713                {714                    this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, false,715                        this.Id, request.ReceiverEndpoint));716                }717                else718                {719                    if (request.PrevLogIndex > 0 &&720                        (this.Logs.Count < request.PrevLogIndex ||721                        this.Logs[request.PrevLogIndex - 1].Term != request.PrevLogTerm))722                    {723                        this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, false, this.Id, request.ReceiverEndpoint));724                    }725                    else726                    {727                        if (request.Entries.Count > 0)728                        {729                            var currentIndex = request.PrevLogIndex + 1;730                            foreach (var entry in request.Entries)731                            {732                                if (this.Logs.Count < currentIndex)733                                {734                                    this.Logs.Add(entry);735                                }736                                else if (this.Logs[currentIndex - 1].Term != entry.Term)737                                {738                                    this.Logs.RemoveRange(currentIndex - 1, this.Logs.Count - (currentIndex - 1));739                                    this.Logs.Add(entry);740                                }741                                currentIndex++;742                            }743                        }744                        if (request.LeaderCommit > this.CommitIndex &&745                            this.Logs.Count < request.LeaderCommit)746                        {747                            this.CommitIndex = this.Logs.Count;748                        }749                        else if (request.LeaderCommit > this.CommitIndex)750                        {751                            this.CommitIndex = request.LeaderCommit;752                        }753                        if (this.CommitIndex > this.LastApplied)754                        {755                            this.LastApplied++;756                        }757                        this.LeaderId = request.LeaderId;758                        this.SendEvent(request.LeaderId, new AppendEntriesResponse(this.CurrentTerm, true, this.Id, request.ReceiverEndpoint));759                    }760                }761            }762            private void RedirectLastClientRequestToClusterManager()763            {764                if (this.LastClientRequest != null)765                {766                    this.SendEvent(this.ClusterManager, this.LastClientRequest);767                }768            }769            /// <summary>770            /// Returns the log term for the given log index.771            /// </summary>772            /// <param name="logIndex">Index.</param>773            /// <returns>Term.</returns>774            private int GetLogTermForIndex(int logIndex)775            {776                var logTerm = 0;777                if (logIndex > 0)778                {779                    logTerm = this.Logs[logIndex - 1].Term;780                }781                return logTerm;782            }783            private void ShuttingDown()784            {785                this.SendEvent(this.ElectionTimer, HaltEvent.Instance);786                this.SendEvent(this.PeriodicTimer, HaltEvent.Instance);787                this.RaiseHaltEvent();788            }...

GetLogTermForIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6{7    {8        static void Main(string[] args)9        {10            RaftTests raft = new RaftTests();11            raft.GetLogTermForIndex();12        }13    }14}15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using System.Threading.Tasks;20{21    {22        static void Main(string[] args)23        {24            RaftTests raft = new RaftTests();25            raft.GetLogTermForIndex();26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34{35    {36        static void Main(string[] args)37        {38            RaftTests raft = new RaftTests();39            raft.GetLogTermForIndex();40        }41    }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using System.Threading.Tasks;48{49    {50        static void Main(string[] args)51        {52            RaftTests raft = new RaftTests();53            raft.GetLogTermForIndex();54        }55    }56}57using System;58using System.Collections.Generic;59using System.Linq;60using System.Text;61using System.Threading.Tasks;62{63    {64        static void Main(string[] args)65        {66            RaftTests raft = new RaftTests();

GetLogTermForIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors;7{8    {9        static void Main(string[] args)10        {11            RaftTests test = new RaftTests();12            test.GetLogTermForIndex();13        }14    }15}

GetLogTermForIndex

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            RaftTests raftTests = new RaftTests();13            raftTests.GetLogTermForIndex();14        }15    }16}

GetLogTermForIndex

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8using System.IO;9using System.Diagnostics;10using System.Threading;11{12    {13        static void Main(string[] args)14        {15            RaftTests test = new RaftTests();16            test.GetLogTermForIndex();17        }18    }19}

GetLogTermForIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors.BugFinding.Tests;7using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests;8using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks;9using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors;10using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftLeader;11using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica;12using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaFollower;13using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaLeader;14using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreCandidate;15using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreLeader;16using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreLeader.MockRaftReplicaPreLeaderCandidate;17using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreLeader.MockRaftReplicaPreLeaderFollower;18using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreLeader.MockRaftReplicaPreLeaderLeader;19using Microsoft.Coyote.Actors.BugFinding.Tests.RaftTests.Mocks.MockRaftActors.MockRaftReplica.MockRaftReplicaPreLeader.MockRaftReplicaPreLeaderPreCandidate;

GetLogTermForIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors.BugFinding.Tests;7{8    {9        static void Main(string[] args)10        {11            RaftTests raftTests = new RaftTests();12            raftTests.GetLogTermForIndex();13        }14    }15}

GetLogTermForIndex

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors.BugFinding.Tests.Raft;3using Microsoft.Coyote.Specifications;4using Microsoft.Coyote.SystematicTesting;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        public void GetLogTermForIndexTest()13        {14            this.TestWithError(r =>15            {16                r.RegisterMonitor<InvariantMonitor>();17                r.RegisterMonitor<LeaderElectionMonitor>();18                r.CreateActor(typeof(RaftActor), new RaftConfiguration(1, 1, 1, 1, 1, 1, 1, 1, 1));19            },20            configuration: GetConfiguration().WithTestingIterations(100),21            replay: true);22        }23    }24}25using Microsoft.Coyote.Actors.BugFinding.Tests;26using Microsoft.Coyote.Actors.BugFinding.Tests.Raft;27using Microsoft.Coyote.Specifications;28using Microsoft.Coyote.SystematicTesting;29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34{35    {36        public void GetLogTermForIndexTest()37        {38            this.TestWithError(r =>39            {40                r.RegisterMonitor<InvariantMonitor>();41                r.RegisterMonitor<LeaderElectionMonitor>();42                r.CreateActor(typeof(RaftActor), new RaftConfiguration(1, 1, 1, 1, 1, 1, 1, 1, 1));43            },44            configuration: GetConfiguration().WithTestingIterations(100),

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.