TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use RegisterNodes class of Microsoft.Coyote.Samples.Monitors package

Best Coyote code snippet using Microsoft.Coyote.Samples.Monitors.RegisterNodes

Driver.cs

Source:Driver.cs

...56                var node = this.CreateActor(typeof(Node));57                this.Nodes.Add(node);58            }59            // Notifies the liveness monitor that the nodes are initialized.60            this.Monitor<Liveness>(new Liveness.RegisterNodes(this.Nodes));61            this.FailureDetector = this.CreateActor(typeof(FailureDetector), new FailureDetector.Config(this.Nodes));62            this.SendEvent(this.FailureDetector, new RegisterClient(this.Id));63            this.RaiseGotoStateEvent<InjectFailures>();64        }65        [OnEntry(nameof(InjectFailuresOnEntry))]66        [OnEventDoAction(typeof(FailureDetector.NodeFailed), nameof(NodeFailedAction))]67        private class InjectFailures : State { }68        /// <summary>69        /// Injects failures (modelled with the special Coyote event 'halt').70        /// </summary>71        private void InjectFailuresOnEntry()72        {73            foreach (var node in this.Nodes)74            {...

Liveness.cs

Source:Liveness.cs

...12    /// specifications such as absence of deadlocks and livelocks in the test program, using a13    /// liveness monitor.14    ///15    /// This monitor is itself a special type of state machine and it starts in the state 'Init'16    /// and transitions to the state 'Wait' upon receiving the event 'RegisterNodes', which contains17    /// references to all nodes in the program.18    ///19    /// Whenever the 'Driver' machine receives a 'NodeFailed' event from the 'FailureDetector'20    /// machine, it forwards that event to the this monitor which then removes the machine whose21    /// failure was detected from the set of nodes.22    ///23    /// The monitor exits the 'Hot' 'Init' state only when all nodes becomes empty, i.e., when24    /// the failure of all node machines has been detected. Thus, this monitor expresses the25    /// specification that failure of every node machine must be eventually detected.26    ///27    /// Read our documentation (https://microsoft.github.io/coyote/)28    /// to learn more about liveness checking in Coyote.29    /// </summary>30    internal class Liveness : Monitor31    {32        internal class RegisterNodes : Event33        {34            public HashSet<ActorId> Nodes;35            public RegisterNodes(HashSet<ActorId> nodes)36            {37                this.Nodes = nodes;38            }39        }40        private HashSet<ActorId> Nodes;41        [Start]42        [OnEventDoAction(typeof(RegisterNodes), nameof(RegisterNodesAction))]43        private class Init : State { }44        private void RegisterNodesAction(Event e)45        {46            var nodes = (e as RegisterNodes).Nodes;47            this.Nodes = new HashSet<ActorId>(nodes);48            this.RaiseGotoStateEvent<Wait>();49        }50        /// <summary>51        /// A hot state denotes that the liveness property is not52        /// currently satisfied.53        /// </summary>54        [Hot]55        [OnEventDoAction(typeof(FailureDetector.NodeFailed), nameof(NodeDownAction))]56        private class Wait : State { }57        private void NodeDownAction(Event e)58        {59            var node = (e as FailureDetector.NodeFailed).Node;60            this.Nodes.Remove(node);...

RegisterNodes

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            RegisterNodes registerNodes = new RegisterNodes();12            registerNodes.Register("Node1");13            registerNodes.Register("Node2");14            registerNodes.Register("Node3");15            registerNodes.Register("Node4");16            registerNodes.Register("Node5");17            registerNodes.Register("Node6");18            registerNodes.Register("Node7");19            registerNodes.Register("Node8");20            registerNodes.Register("Node9");21            registerNodes.Register("Node10");22            registerNodes.Register("Node11");23            registerNodes.Register("Node12");24            registerNodes.Register("Node13");25            registerNodes.Register("Node14");26            registerNodes.Register("Node15");27            registerNodes.Register("Node16");28            registerNodes.Register("Node17");29            registerNodes.Register("Node18");30            registerNodes.Register("Node19");31            registerNodes.Register("Node20");

RegisterNodes

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Samples.Monitors;6{7    {8        static void Main(string[] args)9        {10            Runtime.RegisterMonitor(typeof(RegisterNodes));11            Runtime.RegisterMonitor(typeof(RegisterNodesWithEvents));12            Runtime.RegisterMonitor(typeof(RegisterNodesWithStates));13            Runtime.RegisterMonitor(typeof(RegisterNodesWithStatesAndEvents));14            Task.Delay(10000).Wait();15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Coyote;21using Microsoft.Coyote.Actors;22using Microsoft.Coyote.Samples.Monitors;23{24    {25        static void Main(string[] args)26        {27            Runtime.RegisterMonitor(typeof(RegisterNodesWithStatesAndEvents));28            Task.Delay(10000).Wait();29        }30    }31}32using System;33using System.Threading.Tasks;34using Microsoft.Coyote;35using Microsoft.Coyote.Actors;36using Microsoft.Coyote.Samples.Monitors;37{38    {39        static void Main(string[] args)40        {41            Runtime.RegisterMonitor(typeof(RegisterNodesWithStates));42            Task.Delay(10000).Wait();43        }44    }45}46using System;47using System.Threading.Tasks;48using Microsoft.Coyote;49using Microsoft.Coyote.Actors;50using Microsoft.Coyote.Samples.Monitors;51{52    {53        static void Main(string[] args)54        {55            Runtime.RegisterMonitor(typeof(RegisterNodesWithEvents));56            Task.Delay(10000).Wait();57        }58    }59}60using System;61using System.Threading.Tasks;62using Microsoft.Coyote;63using Microsoft.Coyote.Actors;64using Microsoft.Coyote.Samples.Monitors;65{66    {67        static void Main(string[] args)68        {69            Runtime.RegisterMonitor(typeof(RegisterNodes));

RegisterNodes

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            RegisterNodes registerNodes = new RegisterNodes();10            registerNodes.Run();11            Console.WriteLine("Hello World!");12        }13    }14}15using Microsoft.Coyote.Samples.Monitors;16using System;17using System.Threading.Tasks;18{19    {20        static void Main(string[] args)21        {22            Console.WriteLine("Hello World!");23            RegisterNodes registerNodes = new RegisterNodes();24            registerNodes.Run();25            Console.WriteLine("Hello World!");26        }27    }28}29using Microsoft.Coyote.Samples.Monitors;30using System;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            Console.WriteLine("Hello World!");37            RegisterNodes registerNodes = new RegisterNodes();38            registerNodes.Run();39            Console.WriteLine("Hello World!");40        }41    }42}43using Microsoft.Coyote.Samples.Monitors;44using System;45using System.Threading.Tasks;46{47    {48        static void Main(string[] args)49        {50            Console.WriteLine("Hello World!");51            RegisterNodes registerNodes = new RegisterNodes();52            registerNodes.Run();53            Console.WriteLine("Hello World!");54        }55    }56}57using Microsoft.Coyote.Samples.Monitors;58using System;59using System.Threading.Tasks;60{61    {62        static void Main(string[] args)63        {64            Console.WriteLine("Hello World!");65            RegisterNodes registerNodes = new RegisterNodes();66            registerNodes.Run();67            Console.WriteLine("Hello World!");68        }69    }70}

RegisterNodes

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.Monitors;5using Microsoft.Coyote.Specifications;6using Microsoft.Coyote.Tasks;7{8    {9        static void Main(string[] args)10        {11            CoyoteRuntime.RegisterMonitor(typeof(RegisterNodes));12            CoyoteRuntime.SetExecutionMode(ExecutionMode.Replaying);13            CoyoteRuntime.RunAsync(MainAsync()).Wait();14            Console.WriteLine("Press any key to exit...");15            Console.ReadKey();16        }17        static async Task MainAsync()18        {19            var m = await CoyoteRuntime.CreateMachineAsync(typeof(M));20            CoyoteRuntime.SendEvent(m, new E());21        }22    }23    {24        [OnEntry(nameof(InitOnEntry))]25        [OnEventDoAction(typeof(E), nameof(HandleE))]26        class Init : MachineState { }27        void InitOnEntry()28        {29            this.Monitor<RegisterNodes>(new RegisterNodes.Register(this.Id));30        }31        void HandleE()32        {33            this.Monitor<RegisterNodes>(new RegisterNodes.Broadcast(new E()));34        }35    }36    class E : Event { }37}38using System;39using System.Threading.Tasks;40using Microsoft.Coyote;41using Microsoft.Coyote.Samples.Monitors;42using Microsoft.Coyote.Specifications;43using Microsoft.Coyote.Tasks;44{45    {46        static void Main(string[] args)47        {48            CoyoteRuntime.RegisterMonitor(typeof(RegisterNodes));49            CoyoteRuntime.SetExecutionMode(ExecutionMode.Replaying);50            CoyoteRuntime.RunAsync(MainAsync()).Wait();51            Console.WriteLine("Press any key to exit...");52            Console.ReadKey();53        }54        static async Task MainAsync()55        {56            var m = await CoyoteRuntime.CreateMachineAsync(typeof(M));57            CoyoteRuntime.SendEvent(m, new E());58        }59    }60    {61        [OnEntry(nameof(Init

RegisterNodes

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using Microsoft.Coyote;3using Microsoft.Coyote.Tasks;4using System;5using System.Threading.Tasks;6{7    {8        static void Main(string[] args)9        {10            Console.WriteLine("Hello World!");11            var runtime = RuntimeFactory.Create();12            runtime.RegisterMonitor(typeof(RegisterNodes));13            runtime.CreateActor(typeof(Node));14            runtime.CreateActor(typeof(Node));15            runtime.CreateActor(typeof(Node));16            runtime.CreateActor(typeof(Node));17            runtime.CreateActor(typeof(Node));18            runtime.Start();19        }20    }21    {22        [OnEventDoAction(typeof(Event), nameof(DoNothing))]23        class Init : State { }24        void DoNothing() { }25    }26}27using Microsoft.Coyote.Samples.Monitors;28using Microsoft.Coyote;29using Microsoft.Coyote.Tasks;30using System;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            Console.WriteLine("Hello World!");37            var runtime = RuntimeFactory.Create();38            runtime.RegisterMonitor(typeof(RegisterNodes));39            runtime.CreateActor(typeof(Node));40            runtime.CreateActor(typeof(Node));41            runtime.CreateActor(typeof(Node));42            runtime.CreateActor(typeof(Node));43            runtime.CreateActor(typeof(Node));44            runtime.Start();45        }46    }47    {48        [OnEventDoAction(typeof(Event), nameof(DoNothing))]49        class Init : State { }50        void DoNothing() { }51    }52}

RegisterNodes

Using AI Code Generation

1using System;2using Microsoft.Coyote.Samples.Monitors;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Runtime;5{6    {7        static void Main(string[] args)8        {9            Console.WriteLine("Hello World!");10            Runtime.RegisterMonitor(typeof(RegisterNodes));11            Runtime.Run(new Config(), () => {12                ActorId a = ActorId.CreateRandom();13                ActorId b = ActorId.CreateRandom();14                ActorId c = ActorId.CreateRandom();15                ActorId d = ActorId.CreateRandom();16                ActorId e = ActorId.CreateRandom();17                ActorId f = ActorId.CreateRandom();18                ActorId g = ActorId.CreateRandom();19                ActorId h = ActorId.CreateRandom();20                ActorId i = ActorId.CreateRandom();21                ActorId j = ActorId.CreateRandom();22                ActorId k = ActorId.CreateRandom();23                ActorId l = ActorId.CreateRandom();24                ActorId m = ActorId.CreateRandom();25                ActorId n = ActorId.CreateRandom();26                ActorId o = ActorId.CreateRandom();27                ActorId p = ActorId.CreateRandom();28                ActorId q = ActorId.CreateRandom();29                ActorId r = ActorId.CreateRandom();30                ActorId s = ActorId.CreateRandom();31                ActorId t = ActorId.CreateRandom();32                ActorId u = ActorId.CreateRandom();33                ActorId v = ActorId.CreateRandom();34                ActorId w = ActorId.CreateRandom();35                ActorId x = ActorId.CreateRandom();36                ActorId y = ActorId.CreateRandom();37                ActorId z = ActorId.CreateRandom();38                ActorId aa = ActorId.CreateRandom();39                ActorId bb = ActorId.CreateRandom();40                ActorId cc = ActorId.CreateRandom();41                ActorId dd = ActorId.CreateRandom();42                ActorId ee = ActorId.CreateRandom();43                ActorId ff = ActorId.CreateRandom();44                ActorId gg = ActorId.CreateRandom();45                ActorId hh = ActorId.CreateRandom();46                ActorId ii = ActorId.CreateRandom();47                ActorId jj = ActorId.CreateRandom();48                ActorId kk = ActorId.CreateRandom();49                ActorId ll = ActorId.CreateRandom();50                ActorId mm = ActorId.CreateRandom();51                ActorId nn = ActorId.CreateRandom();52                ActorId oo = ActorId.CreateRandom();53                ActorId pp = ActorId.CreateRandom();

RegisterNodes

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using Microsoft.Coyote;3using Microsoft.Coyote.SystematicTesting;4using Microsoft.Coyote.Tasks;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors;7using System;8using System.Collections.Generic;9using System.Linq;10using System.Text;11using System.Threading;12using System.Diagnostics;13{14    {15        static void Main(string[] args)16        {17            SystematicTestingEngine engine = new SystematicTestingEngine();18            engine.AddEventHandler(new RegisterNodes());19            engine.Run();20        }21    }22}23using Microsoft.Coyote.Samples.Monitors;24using Microsoft.Coyote;25using Microsoft.Coyote.SystematicTesting;26using Microsoft.Coyote.Tasks;27using System.Threading.Tasks;28using Microsoft.Coyote.Actors;29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading;34using System.Diagnostics;35{36    {37        static void Main(string[] args)38        {39            SystematicTestingEngine engine = new SystematicTestingEngine();40            engine.AddEventHandler(new RegisterNodes());41            engine.Run();42        }43    }44}45using Microsoft.Coyote.Samples.Monitors;46using Microsoft.Coyote;47using Microsoft.Coyote.SystematicTesting;48using Microsoft.Coyote.Tasks;49using System.Threading.Tasks;50using Microsoft.Coyote.Actors;51using System;52using System.Collections.Generic;53using System.Linq;54using System.Text;55using System.Threading;56using System.Diagnostics;57{58    {59        static void Main(string[] args)60        {61            SystematicTestingEngine engine = new SystematicTestingEngine();62            engine.AddEventHandler(new RegisterNodes());63            engine.Run();64        }65    }66}67using Microsoft.Coyote.Samples.Monitors;68using Microsoft.Coyote;69using Microsoft.Coyote.SystematicTesting;70using Microsoft.Coyote.Tasks;71using System.Threading.Tasks;72using Microsoft.Coyote.Actors;73using System;74using System.Collections.Generic;75using System.Linq;

RegisterNodes

Using AI Code Generation

1using Microsoft.Coyote.Samples.Monitors;2using System;3using System.Threading.Tasks;4{5    {6        public static void Main(string[] args)7        {8            var configuration = Configuration.Create();9            configuration.WithTestingIterations(100);10            configuration.WithRandomSchedulingSeed(1);11            configuration.WithMaxSchedulingSteps(100);12            configuration.WithMaxFairSchedulingSteps(100);13            configuration.WithVerbosityEnabled(true);14            configuration.WithTraceScheduling(true);15            configuration.WithTraceSchedulingSteps(true);16            configuration.WithTraceSchedulingHtml(true);17            configuration.WithTraceSchedulingJson(true);18            configuration.WithTraceSchedulingTrace(true);19            configuration.WithTraceSchedulingStats(true);20            configuration.WithTraceSchedulingGraph(true);21            configuration.WithTraceSchedulingGraph(true);22            configuration.WithTestingProcessExit(true);23            configuration.WithTestingProcessExitTimeout(1000);24            configuration.WithTestingProcessExitMaxRetries(10);25            configuration.WithTestingProcessExitRetryDelay(100);26            configuration.WithTestingProcessExitKillProcess(true);27            configuration.WithTestingProcessExitKillProcessTimeout(1000);28            configuration.WithTestingProcessExitKillProcessMaxRetries(10);29            configuration.WithTestingProcessExitKillProcessRetryDelay(100);30            var runtime = RuntimeFactory.Create(configuration);31            runtime.RegisterMonitor(typeof(RegisterNodes));32            runtime.CreateActor(typeof(Actor1));33            runtime.CreateActor(typeof(Actor2));34            runtime.CreateActor(typeof(Actor3));35            runtime.CreateActor(typeof(Actor4));36            runtime.CreateActor(typeof(Actor5));37            runtime.CreateActor(typeof(Actor6));38            runtime.CreateActor(typeof(Actor7));39            runtime.CreateActor(typeof(Actor8));40            runtime.CreateActor(typeof(Actor9));41            runtime.CreateActor(typeof(Actor10));42            runtime.CreateActor(typeof(Actor11));43            runtime.CreateActor(typeof(Actor12));44            runtime.CreateActor(typeof(Actor13));45            runtime.CreateActor(typeof(Actor14));46            runtime.CreateActor(typeof(Actor15));47            runtime.CreateActor(typeof(Actor16));48            runtime.CreateActor(typeof(Actor17));49            runtime.CreateActor(typeof(Actor18));50            runtime.CreateActor(typeof(Actor19));51            runtime.CreateActor(typeof(Actor20));52            runtime.Start();53            runtime.Wait();54        }55    }56}

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.