Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
Coyote
Microsoft.Coyote.Samples.CoffeeMachineTasks
FailoverDriver

How to use FailoverDriver class of Microsoft.Coyote.Samples.CoffeeMachineTasks package

Best Coyote code snippet using Microsoft.Coyote.Samples.CoffeeMachineTasks.FailoverDriver

FailoverDriver.cs

Source:FailoverDriver.cs

...11    /// can it correctly "restart after failure" without getting into a bad state. The CoffeeMachine12    /// will be randomly terminated. The only thing the CoffeeMachine can depend on is the persistence13    /// of the state provided by the MockSensors.14    /// </summary>15    internal interface IFailoverDriver16    {17        Task RunTest();18    }19    /// <summary>20    /// This class implements the IFailoverDriver.21    /// </summary>22    internal class FailoverDriver : IFailoverDriver23    {24        private readonly ISensors Sensors;25        private ICoffeeMachine CoffeeMachine;26        private bool IsInitialized;27        private bool RunForever;28        private int Iterations;29        private ControlledTimer HaltTimer;30        private readonly Generator RandomGenerator;31        private readonly LogWriter Log = LogWriter.Instance;32        public FailoverDriver(bool runForever)33        {34            this.RunForever = runForever;35            this.RandomGenerator = Generator.Create();36            this.Sensors = new MockSensors(runForever);37        }38        public async Task RunTest()39        {40            bool halted = true;41            while (this.RunForever || this.Iterations <= 1)42            {43                this.Log.WriteLine("#################################################################");44                // Create a new CoffeeMachine instance.45                string error = null;46                if (halted)...

Program.cs

Source:Program.cs

...27        {28            LogWriter.Initialize(runtime.Logger, RunForever);29            runtime.OnFailure += OnRuntimeFailure;30            Specification.RegisterMonitor<LivenessMonitor>();31            IFailoverDriver driver = new FailoverDriver(RunForever);32            await driver.RunTest();33        }34    }35}...

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task Run()7        {8            Console.WriteLine("Starting the coffee machine");9            var coffeeMachine = new CoffeeMachine();10            await coffeeMachine.StartAsync();11            Console.WriteLine("Making coffee");12            await coffeeMachine.MakeCoffeeAsync();13            await Task.Delay(1000);14            Console.WriteLine("Stopping the coffee machine");15            await coffeeMachine.StopAsync();16        }17    }18}19using Microsoft.Coyote.Samples.CoffeeMachineTasks;20using System;21using System.Threading.Tasks;22{23    {24        public static async Task Run()25        {26            Console.WriteLine("Starting the coffee machine");27            var coffeeMachine = new CoffeeMachine();28            await coffeeMachine.StartAsync();29            Console.WriteLine("Making coffee");30            await coffeeMachine.MakeCoffeeAsync();31            await Task.Delay(1000);32            Console.WriteLine("Stopping the coffee machine");33            await coffeeMachine.StopAsync();34        }35    }36}37using Microsoft.Coyote.Samples.CoffeeMachineTasks;38using System;39using System.Threading.Tasks;40{41    {42        public static async Task Run()43        {44            Console.WriteLine("Starting the coffee machine");45            var coffeeMachine = new CoffeeMachine();46            await coffeeMachine.StartAsync();47            Console.WriteLine("Making coffee");48            await coffeeMachine.MakeCoffeeAsync();49            await Task.Delay(1000);50            Console.WriteLine("Stopping the coffee machine");51            await coffeeMachine.StopAsync();52        }53    }54}55using Microsoft.Coyote.Samples.CoffeeMachineTasks;56using System;57using System.Threading.Tasks;58{59    {60        public static async Task Run()61        {

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Tasks;3using System;4using System.Threading.Tasks;5{6    {7        public static async Task Main()8        {9            var machine = new FailoverMachine();10            var task = Task.Run(() => machine.Run());

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Tasks;3using System;4{5    {6        static void Main(string[] args)7        {8            var config = Configuration.Create();9            var driver = new FailoverDriver(config);10            driver.Run();11        }12    }13}

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Tasks;3{4    {5        public static void Main()6        {7            {8                Task.Run(() => { CoffeeMachineTasks.Run(); }),9                Task.Run(() => { CoffeeMachineTasks.Run(); }),10                Task.Run(() => { CoffeeMachineTasks.Run(); })11            };12            Task.WaitAll(tasks);13        }14    }15}16using Microsoft.Coyote.Samples.CoffeeMachineTasks;17using Microsoft.Coyote.Tasks;18{19    {20        public static void Main()21        {22            {23                Task.Run(() => { CoffeeMachineTasks.Run(); }),24                Task.Run(() => { CoffeeMachineTasks.Run(); }),25                Task.Run(() => { CoffeeMachineTasks.Run(); })26            };27            Task.WaitAll(tasks);28        }29    }30}31using Microsoft.Coyote.Samples.CoffeeMachineTasks;32using Microsoft.Coyote.Tasks;33{34    {35        public static void Main()36        {37            {38                Task.Run(() => { CoffeeMachineTasks.Run(); }),39                Task.Run(() => { CoffeeMachineTasks.Run(); }),40                Task.Run(() => { CoffeeMachineTasks.Run(); })41            };42            Task.WaitAll(tasks);43        }44    }45}46using Microsoft.Coyote.Samples.CoffeeMachineTasks;47using Microsoft.Coyote.Tasks;48{49    {50        public static void Main()51        {52            {53                Task.Run(() => { CoffeeMachineTasks.Run(); }),54                Task.Run(() => { CoffeeMachineTasks.Run(); }),55                Task.Run(() => { CoffeeMachineTasks.Run();

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var driver = new FailoverDriver();9            await driver.RunAsync();10            Console.WriteLine("Press any key to exit...");11            Console.ReadKey();12        }13    }14}15using Microsoft.Coyote.Samples.CoffeeMachineTasks;16using System;17using System.Threading.Tasks;18{19    {20        static async Task Main(string[] args)21        {22            var driver = new FailoverDriver();23            await driver.RunAsync();24            Console.WriteLine("Press any key to exit...");25            Console.ReadKey();26        }27    }28}29using Microsoft.Coyote.Samples.CoffeeMachineTasks;30using System;31using System.Threading.Tasks;32{33    {34        static async Task Main(string[] args)35        {36            var driver = new FailoverDriver();37            await driver.RunAsync();38            Console.WriteLine("Press any key to exit...");39            Console.ReadKey();40        }41    }42}43using Microsoft.Coyote.Samples.CoffeeMachineTasks;44using System;45using System.Threading.Tasks;46{47    {48        static async Task Main(string[] args)49        {50            var driver = new FailoverDriver();51            await driver.RunAsync();52            Console.WriteLine("Press any key to exit...");53            Console.ReadKey();54        }55    }56}

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Samples.CoffeeMachineTasks.Tasks;3using Microsoft.Coyote.Tasks;4using System;5using System.Threading.Tasks;6{7    {8        public static async Task RunAsync()9        {10            var machine = new FailoverMachine();11            await Task.Run(async () =>12            {13                await Task.WhenAll(14                    Task.Run(() => machine.RunAsync()),15                    Task.Run(async () =>16                    {17                        await machine.SendEventAsync(new StartEvent());18                        await Task.Delay(1000);19                        await machine.SendEventAsync(new FailoverEvent());20                        await Task.Delay(1000);21                        await machine.SendEventAsync(new FailoverEvent());22                        await Task.Delay(1000);23                        await machine.SendEventAsync(new FailoverEvent());24                    }));25            });26        }27    }28}29using Microsoft.Coyote.Samples.CoffeeMachineTasks;30using Microsoft.Coyote.Samples.CoffeeMachineTasks.Tasks;31using Microsoft.Coyote.Tasks;32using System;33using System.Threading.Tasks;34{35    {36        public static async Task RunAsync()37        {38            var machine = new FailoverMachine();39            await Task.Run(async () =>40            {41                await Task.WhenAll(42                    Task.Run(() => machine.RunAsync()),43                    Task.Run(async () =>44                    {45                        await machine.SendEventAsync(new StartEvent());46                        await Task.Delay(1000);47                        await machine.SendEventAsync(new FailoverEvent());48                        await Task.Delay(1000);49                        await machine.SendEventAsync(new FailoverEvent());50                        await Task.Delay(1000);51                        await machine.SendEventAsync(new FailoverEvent());52                    }));53            });54        }55    }56}57using Microsoft.Coyote.Samples.CoffeeMachineTasks;58using Microsoft.Coyote.Samples.CoffeeMachineTasks.Tasks;59using Microsoft.Coyote.Tasks;60using System;61using System.Threading.Tasks;62{63    {

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task RunAsync()7        {8            var coffeeMachine = new CoffeeMachine();9            var task = coffeeMachine.StartAsync();10            await coffeeMachine.WaitForStartAsync();11            await Task.Delay(1000);12            coffeeMachine.TurnOff();13            await coffeeMachine.WaitForStopAsync();14            await Task.Delay(1000);15            coffeeMachine.TurnOn();16            await coffeeMachine.WaitForStartAsync();17            await Task.Delay(1000);18            coffeeMachine.TurnOff();19            await coffeeMachine.WaitForStopAsync();20            await Task.Delay(1000);21            coffeeMachine.TurnOn();22            await coffeeMachine.WaitForStartAsync();23            await Task.Delay(1000);24            coffeeMachine.TurnOff();25            await coffeeMachine.WaitForStopAsync();26            await Task.Delay(1000);27            coffeeMachine.TurnOn();28            await coffeeMachine.WaitForStartAsync();29            await Task.Delay(1000);30            coffeeMachine.TurnOff();31            await coffeeMachine.WaitForStopAsync();32            await Task.Delay(1000);33            coffeeMachine.TurnOn();34            await coffeeMachine.WaitForStartAsync();

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Tasks;3{4    {5        public static void Main(string[] args)6        {7            Task.Run(async () =>8            {9                await Task.Run(() => new CoffeeMachine().Start());10            }).Wait();11        }12    }13}14using System;15using System.Threading.Tasks;16using Microsoft.Coyote;17using Microsoft.Coyote.Samples.CoffeeMachineTasks;18using Microsoft.Coyote.Tasks;19{20    {21        {22        }23        private State CurrentState;24        private readonly TaskCompletionSource<bool> TaskCompletionSource;25        public CoffeeMachine()26        {27            this.CurrentState = State.Idle;28            this.TaskCompletionSource = new TaskCompletionSource<bool>();29        }30        public async Task Start()31        {32            await this.TaskCompletionSource.Task;33        }34        private async Task BrewCoffee()35        {36            this.CurrentState = State.Brewing;37            await Task.Delay(1000);38            this.CurrentState = State.Idle;39        }40        private async Task FillWater()41        {42            this.CurrentState = State.Filling;43            await Task.Delay(1000);44            this.CurrentState = State.Idle;45        }46        public async Task MakeCoffee()47        {48            if (this.CurrentState == State.Idle)49            {50                await this.BrewCoffee();51            }52            else if (this.CurrentState == State.Filling)53            {54                this.TaskCompletionSource.SetException(new Exception("Coffee machine is filling up"));55            }56            {57                this.TaskCompletionSource.SetException(new Exception("Coffee machine is currently brewing"));58            }59        }60        public async Task Fill()61        {62            if (this.CurrentState == State.Idle)63            {64                await this.FillWater();65            }66            else if (this.CurrentState == State.Brewing)67            {68                this.TaskCompletionSource.SetException(new Exception("Coffee machine is currently brewing"));69            }70            {71                this.TaskCompletionSource.SetException(new Exception("Coffee machine is filling up"));72            }73        }

FailoverDriver

Using AI Code Generation

1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using Microsoft.Coyote.Samples.CoffeeMachineTasks;3FailoverDriver driver = new FailoverDriver();4driver.Run();5using Microsoft.Coyote.Samples.CoffeeMachineTasks;6FailoverDriver driver = new FailoverDriver();7driver.Run();8using Microsoft.Coyote.Samples.CoffeeMachineTasks;9FailoverDriver driver = new FailoverDriver();10driver.Run();11using Microsoft.Coyote.Samples.CoffeeMachineTasks;12FailoverDriver driver = new FailoverDriver();13driver.Run();14using Microsoft.Coyote.Samples.CoffeeMachineTasks;15FailoverDriver driver = new FailoverDriver();16driver.Run();17using Microsoft.Coyote.Samples.CoffeeMachineTasks;18FailoverDriver driver = new FailoverDriver();19driver.Run();20using Microsoft.Coyote.Samples.CoffeeMachineTasks;21FailoverDriver driver = new FailoverDriver();22driver.Run();23using Microsoft.Coyote.Samples.CoffeeMachineTasks;24FailoverDriver driver = new FailoverDriver();25driver.Run();26using Microsoft.Coyote.Samples.CoffeeMachineTasks;27FailoverDriver driver = new FailoverDriver();28driver.Run();29using Microsoft.Coyote.Samples.CoffeeMachineTasks;30FailoverDriver driver = new FailoverDriver();31driver.Run();32using Microsoft.Coyote.Samples.CoffeeMachineTasks;33FailoverDriver driver = new FailoverDriver();34driver.Run();35using Microsoft.Coyote.Samples.CoffeeMachineTasks;36FailoverDriver driver = new FailoverDriver();37driver.Run();38using Microsoft.Coyote.Samples.CoffeeMachineTasks;39FailoverDriver driver = new FailoverDriver();40driver.Run();41using Microsoft.Coyote.Samples.CoffeeMachineTasks;

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.