Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

Automation Advisor
Coyote
Microsoft.Coyote.Samples.HelloWorldActors
RequestGreetingEvent

How to use RequestGreetingEvent class of Microsoft.Coyote.Samples.HelloWorldActors package

Best Coyote code snippet using Microsoft.Coyote.Samples.HelloWorldActors.RequestGreetingEvent

Program.cs

Source:Program.cs

...34            // In Coyote once an actor is created it lives forever until it is halted.35            runtime.CreateActor(typeof(TestActor));36        }37        /// <summary>38        /// This TestActor is designed to test our "Greeter" by sending it one or more RequestGreetingEvents.39        /// </summary>40        [OnEventDoAction(typeof(GreetingEvent), nameof(HandleGreeting))]41        private class TestActor : Actor42        {43            private ActorId GreeterId;44            private int Count;45            protected override Task OnInitializeAsync(Event initialEvent)46            {47                // Create the Greeter and hold onto the returned ActorId.  The ActorId is not the48                // actual Greeter object instance, it is like a handle to the actor that is managed49                // by the Coyote actor runtime.50                this.GreeterId = this.CreateActor(typeof(Greeter));51                // Now request a random number of greetings.  The SendEvent call here queues up52                // work on the Greeter, but HandleGreeting will not be called until this method53                // is done.54                this.Count = 1 + this.RandomInteger(5);55                Console.WriteLine("Requesting {0} greeting{1}", this.Count, this.Count == 1 ? string.Empty : "s");56                for (int i = 0; i < this.Count; i++)57                {58                    this.SendEvent(this.GreeterId, new RequestGreetingEvent(this.Id));59                }60                return base.OnInitializeAsync(initialEvent);61            }62            private void HandleGreeting(Event e)63            {64                // this is perfectly thread safe, because all message handling in actors is65                // serialized within the Actor class.66                this.Count--;67                string greeting = ((GreetingEvent)e).Greeting;68                Console.WriteLine("Received greeting: {0}", greeting);69                this.Assert(this.Count >= 0, "Too many greetings returned!");70            }71        }72    }...

Greeter.cs

Source:Greeter.cs

...3using Microsoft.Coyote.Actors;4namespace Microsoft.Coyote.Samples.HelloWorldActors5{6    /// <summary>7    /// This is a Coyote Actor that handles a RequestGreetingEvent and responds8    /// with a GreetingEvent.9    /// </summary>10    [OnEventDoAction(typeof(RequestGreetingEvent), nameof(HandleGreeting))]11    public class Greeter : Actor12    {13        /// <summary>14        /// This method is called when this actor receives a RequestGreetingEvent.15        /// </summary>16        /// <param name="e">The event should be of type RequestGreetingEvent.</param>17        private void HandleGreeting(Event e)18        {19            if (e is RequestGreetingEvent ge)20            {21                string greeting = this.RandomBoolean() ? "Hello World!" : "Good Morning";22                this.SendEvent(ge.Caller, new GreetingEvent(greeting));23                if (this.RandomInteger(10) is 0)24                {25                    // bug: a 1 in 10 chance of sending too many greetings.26                    this.SendEvent(ge.Caller, new GreetingEvent(greeting));27                }28            }29        }30    }31}...

Events.cs

Source:Events.cs

...8    /// Events in Coyote are strongly typed and have their own lifetime outside of9    /// the scope of any particular call stack, because they can be queued in10    /// an Actor inbox.11    /// </summary>12    internal class RequestGreetingEvent : Event13    {14        public readonly ActorId Caller;15        public RequestGreetingEvent(ActorId caller)16        {17            this.Caller = caller;18        }19    }20    /// <summary>21    /// This is a Coyote Event returned in response to a RequestGreetingEvent.22    /// An event can contain any data you want.23    /// </summary>24    internal class GreetingEvent : Event25    {26        public readonly string Greeting;27        public GreetingEvent(string greeting)28        {29            this.Greeting = greeting;30        }31    }32}...

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Samples.HelloWorldActors;3using Microsoft.Coyote.Samples.HelloWorldActors;4using Microsoft.Coyote.Samples.HelloWorldActors;5using Microsoft.Coyote.Samples.HelloWorldActors;6using Microsoft.Coyote.Samples.HelloWorldActors;7using Microsoft.Coyote.Samples.HelloWorldActors;8using Microsoft.Coyote.Samples.HelloWorldActors;9using Microsoft.Coyote.Samples.HelloWorldActors;10using Microsoft.Coyote.Samples.HelloWorldActors;11using Microsoft.Coyote.Samples.HelloWorldActors;12using Microsoft.Coyote.Samples.HelloWorldActors;13using Microsoft.Coyote.Samples.HelloWorldActors;14using Microsoft.Coyote.Samples.HelloWorldActors;

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3{4    {5        static void Main(string[] args)6        {7            var runtime = new ActorRuntime();8            var greeter = runtime.CreateActor(typeof(Greeter));9            runtime.SendEvent(greeter, new RequestGreetingEvent());10            Console.ReadKey();11        }12    }13}14using Microsoft.Coyote.Samples.HelloWorldActors;15using Microsoft.Coyote.Actors;16using Microsoft.Coyote.Actors;17using Microsoft.Coyote.Actors;18{19    {20        [OnEntry(nameof(OnEntryGreet))]21        [OnEventDoAction(typeof(RequestGreetingEvent), nameof(SendGreeting))]22        {23        }24        void OnEntryGreet(Event e)25        {26            Console.WriteLine("Hello World!");27        }28        void SendGreeting()29        {30            Console.WriteLine("Greetings!");31        }32    }33}34using Microsoft.Coyote.Samples.HelloWorldActors;35using Microsoft.Coyote.Actors;36using Microsoft.Coyote.Actors;

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote;3{4    {5        static void Main(string[] args)6        {7            ActorRuntime runtime = ActorRuntime.Create();8            ActorId id = runtime.CreateActor(typeof(Greeter));9            runtime.SendEvent(id, new RequestGreetingEvent());10        }11    }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Actors;15using Microsoft.Coyote.Samples.HelloWorldActors;16{17    {18        [OnEventDoAction(typeof(RequestGreetingEvent), nameof(ProcessRequest))]19        class Init : State { }20        void ProcessRequest()21        {22            this.SendEvent(this.Runtime, new RespondGreetingEvent("Hello World!"));23        }24    }25}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using System;4using System.Threading.Tasks;5{6    {7        static void Main(string[] args)8        {9            var runtime = new ActorRuntime();10            var greeter = runtime.CreateActor(typeof(Greeter));11            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));12            Console.ReadLine();13        }14    }15}16using Microsoft.Coyote.Samples.HelloWorldActors;17using Microsoft.Coyote.Actors;18using System;19using System.Threading.Tasks;20{21    {22        static void Main(string[] args)23        {24            var runtime = new ActorRuntime();25            var greeter = runtime.CreateActor(typeof(Greeter));26            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));27            Console.ReadLine();28        }29    }30}31using Microsoft.Coyote.Samples.HelloWorldActors;32using Microsoft.Coyote.Actors;33using System;34using System.Threading.Tasks;35{36    {37        static void Main(string[] args)38        {39            var runtime = new ActorRuntime();40            var greeter = runtime.CreateActor(typeof(Greeter));41            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));42            Console.ReadLine();43        }44    }45}46using Microsoft.Coyote.Samples.HelloWorldActors;47using Microsoft.Coyote.Actors;48using System;49using System.Threading.Tasks;50{51    {52        static void Main(string[] args)53        {54            var runtime = new ActorRuntime();55            var greeter = runtime.CreateActor(typeof(Greeter));56            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));57            Console.ReadLine();58        }59    }60}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var runtime = new Coyote.Runtime();8            var id = runtime.CreateActor(typeof(HelloWorldActor), null);9            await runtime.SendEvent(id, new RequestGreetingEvent());10        }11    }12}13using Microsoft.Coyote.Samples.HelloWorldActors;14using System.Threading.Tasks;15{16    {17        static async Task Main(string[] args)18        {19            var runtime = new Coyote.Runtime();20            var id = runtime.CreateActor(typeof(HelloWorldActor), null);21            await runtime.SendEvent(id, new RequestGreetingEvent());22        }23    }24}25Coyote.Runtime.SetExecutionMode(ExecutionMode.Deterministic);

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using System;4{5    {6        static void Main(string[] args)7        {8            var runtime = RuntimeFactory.Create();9            var greeter = runtime.CreateActor(typeof(Greeter));10            runtime.SendEvent(greeter, new RequestGreetingEvent());11            runtime.Wait();12        }13    }14}15using Microsoft.Coyote.Samples.HelloWorldActors;16using Microsoft.Coyote.Actors;17using System;18{19    {20        static void Main(string[] args)21        {22            var runtime = RuntimeFactory.Create();23            var greeter = runtime.CreateActor(typeof(Greeter));24            runtime.SendEvent(greeter, new RequestGreetingEvent());25            runtime.Wait();26        }27    }28}29using Microsoft.Coyote.Samples.HelloWorldActors;30using Microsoft.Coyote.Actors;31using System;32{33    {34        static void Main(string[] args)35        {36            var runtime = RuntimeFactory.Create();37            var greeter = runtime.CreateActor(typeof(Greeter));38            runtime.SendEvent(greeter, new RequestGreetingEvent());39            runtime.Wait();40        }41    }42}43using Microsoft.Coyote.Samples.HelloWorldActors;44using Microsoft.Coyote.Actors;45using System;46{47    {

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2{3    {4        static void Main(string[] args)5        {6            var runtime = Microsoft.Coyote.Runtime.Create();7            var greetingActor = runtime.CreateActor(typeof(GreetingActor));8            runtime.SendEvent(greetingActor, new RequestGreetingEvent("Coyote"));9            runtime.Wait();10        }11    }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Actors;15using Microsoft.Coyote.Samples.HelloWorldActors;16{17    {18        protected override Task OnInitializeAsync(Event initialEvent)19        {20            this.RegisterEventHandler<RequestGreetingEvent>(this.OnRequestGreeting);21            return Task.CompletedTask;22        }23        private Task OnRequestGreeting(Event e)24        {25            var request = e as RequestGreetingEvent;26            var greeting = $"Hello, {request.Name}!";27            this.SendEvent(request.Sender, new GreetingEvent(greeting));28            return Task.CompletedTask;29        }30    }31}32using Microsoft.Coyote.Actors;33{34    {35        public RequestGreetingEvent(string name)36        {37            this.Name = name;38        }39        public string Name { get; private set; }40    }41}42using Microsoft.Coyote.Actors;43{44    {45        public GreetingEvent(string greeting)46        {47            this.Greeting = greeting;48        }49        public string Greeting { get; private set; }50    }51}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.Timers;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var config = Configuration.Create();10            var runtime = RuntimeFactory.Create(config);11            var actorId = await runtime.CreateActorAsync(typeof(HelloWorldActor));12            await runtime.SendEventAsync(actorId, new RequestGreetingEvent("World"));13            runtime.Dispose();14        }15    }16}17using Microsoft.Coyote.Actors;18using Microsoft.Coyote.Actors.Timers;19using System.Threading.Tasks;20{21    {22        protected override Task OnInitializeAsync(Event initialEvent)23        {24            this.RegisterTimer("HelloWorldTimer", new RequestGreetingEvent("World"), 1000, true);25            return Task.CompletedTask;26        }27        protected override Task OnEventAsync(Event e)28        {29            if (e is RequestGreetingEvent rge)30            {31                this.Log.WriteLine($"Hello {rge.Name}!");32            }33            return Task.CompletedTask;34        }35    }36}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var runtime = new ActorRuntime();9            var greeter = runtime.CreateActor(typeof(Greeter));10            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));11            Task.WaitAll(runtime.WaitCompletionAsync(greeter));12        }13    }14}15using Microsoft.Coyote.Samples.HelloWorldActors;16using System;17using System.Threading.Tasks;18{19    {20        static void Main(string[] args)21        {22            var runtime = new ActorRuntime();23            var greeter = runtime.CreateActor(typeof(Greeter));24            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));25            Task.WaitAll(runtime.WaitCompletionAsync(greeter));26        }27    }28}29using Microsoft.Coyote.Samples.HelloWorldActors;30using System;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            var runtime = new ActorRuntime();37            var greeter = runtime.CreateActor(typeof(Greeter));38            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));39            Task.WaitAll(runtime.WaitCompletionAsync(greeter));40        }41    }42}

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.