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How to use Operation class of Microsoft.Coyote.Runtime package

Best Coyote code snippet using Microsoft.Coyote.Runtime.Operation

EntryPointTests.cs

Source:EntryPointTests.cs

...132        [Fact(Timeout = 5000)]133        public void TestUnspecifiedEntryPoint()134        {135            string name = string.Empty;136            var exception = Assert.Throws<InvalidOperationException>(() => CheckTestMethod(name));137            string possibleNames = GetPossibleTestNames();138            string expected = $"System.InvalidOperationException: Found '16' test methods declared with the " +139                $"'{typeof(TestAttribute).FullName}' attribute. Provide --method (-m) flag to qualify the test " +140                $"method name you wish to use. {possibleNames}   at";141            string actual = exception.ToString();142            Assert.StartsWith(expected, actual);143        }144        [Fact(Timeout = 5000)]145        public void TestNotExistingEntryPoint()146        {147            string name = "NotExistingEntryPoint";148            var exception = Assert.Throws<InvalidOperationException>(() => CheckTestMethod(name));149            string possibleNames = GetPossibleTestNames();150            string expected = "System.InvalidOperationException: Cannot detect a Coyote test method name " +151                $"containing {name}. {possibleNames}   at";152            string actual = exception.ToString();153            Assert.StartsWith(expected, actual);154        }155        [Fact(Timeout = 5000)]156        public void TestAmbiguousEntryPoint()157        {158            string name = "VoidTest";159            var exception = Assert.Throws<InvalidOperationException>(() => CheckTestMethod(name));160            string possibleNames = GetPossibleTestNames(name);161            string expected = $"System.InvalidOperationException: The method name '{name}' is ambiguous. " +162                $"Please specify the full test method name. {possibleNames}   at";163            string actual = exception.ToString();164            Assert.StartsWith(expected, actual);165        }166        private static void CheckTestMethod(string name)167        {168            Configuration config = Configuration.Create();169            config.AssemblyToBeAnalyzed = Assembly.GetExecutingAssembly().Location;170            config.TestMethodName = name;171            var testMethodInfo = TestMethodInfo.Create(config);172            Assert.Equal(Assembly.GetExecutingAssembly(), testMethodInfo.Assembly);173            Assert.Equal(GetFullyQualifiedTestName(name), testMethodInfo.Name);174        }175        private static string GetPossibleTestNames(string ambiguousName = null)...

RequestControllerMiddleware.cs

Source:RequestControllerMiddleware.cs

...39            if (request != null && TryExtractRuntime(request, out CoyoteRuntime runtime))40            {41                IO.Debug.WriteLine("[coyote::debug] Runtime '{0}' takes control of the '{1} {2}' handler on thread '{3}'.",42                    runtime.Id, request.Method, request.Path, SystemThread.CurrentThread.ManagedThreadId);43                TryExtractSourceOperation(request, runtime, out ControlledOperation source);44                var op = HttpOperation.Create(ToHttpMethod(request.Method), request.Path, runtime, source);45                OperationGroup.SetCurrent(op.Group);46                await runtime.TaskFactory.StartNew(state =>47                    {48                        SystemTask task = this.Next(context);49                        TaskServices.WaitUntilTaskCompletes(runtime, op, task);50                        task.GetAwaiter().GetResult();51                    },52                    op,53                    default,54                    runtime.TaskFactory.CreationOptions | SystemTaskCreationOptions.DenyChildAttach,55                    runtime.TaskFactory.Scheduler);56            }57            else58            {59                IO.Debug.WriteLine($"[coyote::debug] Unable to control the '{0} {1}' request on thread '{2}'.",60                    request?.Method, request?.Path, SystemThread.CurrentThread.ManagedThreadId);61                await this.Next(context);62            }63        }64        /// <summary>65        /// Tries to return the runtime instance that has the identifier defined in the value66        /// of the <see cref="HttpRequestHeader.RuntimeId"/> header of the specified request,67        /// if there is such a header available.68        /// </summary>69        /// <remarks>70        /// The header is removed from the request after the runtime is retrieved.71        /// </remarks>72        private static bool TryExtractRuntime(WebFramework.HttpRequest request, out CoyoteRuntime runtime)73        {74            if (request.Headers.TryGetValue(HttpRequestHeader.RuntimeId, out var runtimeId) &&75                System.Guid.TryParse(runtimeId, out Guid value))76            {77                request.Headers.Remove(HttpRequestHeader.RuntimeId);78                RuntimeProvider.TryGetFromId(System.Guid.Parse(runtimeId), out runtime);79                return true;80            }81            runtime = null;82            return false;83        }84        /// <summary>85        /// Tries to return the source operation that has the identifier defined in the value86        /// of the <see cref="HttpRequestHeader.SourceOperationId"/> header of the specified87        /// request, if there is such a header available.88        /// </summary>89        /// <remarks>90        /// The header is removed from the request after the operation is retrieved.91        /// </remarks>92        private static bool TryExtractSourceOperation(WebFramework.HttpRequest request, CoyoteRuntime runtime,93            out ControlledOperation op)94        {95            if (request.Headers.TryGetValue(HttpRequestHeader.SourceOperationId, out var sourceOpId) &&96                ulong.TryParse(sourceOpId, out ulong value))97            {98                request.Headers.Remove(HttpRequestHeader.SourceOperationId);99                op = runtime.GetOperationWithId(value);100                return true;101            }102            op = null;103            return false;104        }105        /// <summary>106        /// Returns an <see cref="HttpMethod"/> from the specified string.107        /// </summary>108        private static HttpMethod ToHttpMethod(string method)109        {110            switch (method)111            {112                case "GET":113                    return HttpMethod.Get;...

PausedOperationAwaitableTests.cs

Source:PausedOperationAwaitableTests.cs

...7using Xunit.Abstractions;8using CoyoteTypes = Microsoft.Coyote.Rewriting.Types;9namespace Microsoft.Coyote.Runtime.Tests10{11    public class PausedOperationAwaitableTests : BaseRuntimeTest12    {13        public PausedOperationAwaitableTests(ITestOutputHelper output)14            : base(output)15        {16        }17        [Fact(Timeout = 5000)]18        public void TestPausedOperationAwaitablePersistsOperation()19        {20            this.RunSystematicTest(() =>21            {22                var tcs = new TaskCompletionSource<bool>();23                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>24                {25                    var op = CoyoteRuntime.Current.GetExecutingOperation();26                    await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs.Task.IsCompleted, false);27                    Specification.Assert(op == CoyoteRuntime.Current.GetExecutingOperation(),28                        "Operation of the continuation is not the same.");29                });30                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs, true);31                CoyoteTypes.Threading.Tasks.Task.Wait(task);32            },33            configuration: this.GetConfiguration().WithTestingIterations(100));34        }35        [Fact(Timeout = 5000)]36        public void TestPausedOperationAwaitableResumesAsynchronously()37        {38            this.RunSystematicTest(() =>39            {40                var tcs1 = new TaskCompletionSource<bool>();41                var tcs2 = new TaskCompletionSource<bool>();42                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>43                {44                    var op = CoyoteRuntime.Current.GetExecutingOperation();45                    CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs2, true);46                    await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs1.Task.IsCompleted, true);47                    Specification.Assert(op != CoyoteRuntime.Current.GetExecutingOperation(),48                        "Operation of the continuation is the same.");49                });50                CoyoteRuntime.Current.PauseOperationUntil(default, () => tcs2.Task.IsCompleted);51                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs1, true);52                CoyoteTypes.Threading.Tasks.Task.Wait(task);53            },54            configuration: this.GetConfiguration().WithTestingIterations(100));55        }56        private static async AsyncTask RecursiveAsync(TaskCompletionSource<bool> tcs, int depth, int maxDepth)57        {58            if (++depth < maxDepth)59            {60                await RecursiveAsync(tcs, depth, maxDepth);61            }62            if (depth == maxDepth)63            {64                await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs.Task.IsCompleted, false);65            }66        }67        [Fact(Timeout = 5000)]68        public void TestPausedOperationAwaitableRunsAsynchronously()69        {70            this.RunSystematicTest(() =>71            {72                var tcs1 = new TaskCompletionSource<bool>();73                var tcs2 = new TaskCompletionSource<bool>();74                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>75                {76                    var op = CoyoteRuntime.Current.GetExecutingOperation();77                    var t = RecursiveAsync(tcs1, 0, 10);78                    CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs2, true);79                    await t;80                    Specification.Assert(op == CoyoteRuntime.Current.GetExecutingOperation(),81                        "Operation of the continuation is not the same.");82                });83                CoyoteRuntime.Current.PauseOperationUntil(default, () => tcs2.Task.IsCompleted);84                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs1, true);85                CoyoteTypes.Threading.Tasks.Task.Wait(task);86            },87            configuration: this.GetConfiguration().WithTestingIterations(100));88        }89    }90}...

Operation

Using AI Code Generation

1using Microsoft.Coyote.Runtime;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            Operation.Run(() => MainAsync());10        }11        static async Task MainAsync()12        {13            Console.WriteLine("Hello World!");14            await Task.CompletedTask;15        }16    }17}18using Microsoft.Coyote;19using System;20using System.Threading.Tasks;21{22    {23        static void Main(string[] args)24        {25            Console.WriteLine("Hello World!");26            Operation.Run(() => MainAsync());27        }28        static async Task MainAsync()29        {30            Console.WriteLine("Hello World!");31            await Task.CompletedTask;32        }33    }34}35 CoyoteTest -> Microsoft.Coyote.Runtime 1.0.1 -> Microsoft.Coyote (>= 1.0.1) 36 CoyoteTest -> Microsoft.Coyote.Runtime 1.0.1 -> Microsoft.Coyote (>= 1.0.1)

Operation

Using AI Code Generation

1using Microsoft.Coyote.Runtime;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var op1 = Operation.Create("op1");9            var op2 = Operation.Create("op2", (op) =>10            {11                Console.WriteLine("Operation {0} finished", op);12            });13            var op3 = Operation.Create("op3", (op) =>14            {15                Console.WriteLine("Operation {0} finished", op);16            });17            var op4 = Operation.Create("op4", (op) =>18            {19                Console.WriteLine("Operation {0} finished", op);20            });21            var op5 = Operation.Create("op5", (op) =>22            {23                Console.WriteLine("Operation {0} finished", op);24            });25            var op6 = Operation.Create("op6", (op) =>26            {27                Console.WriteLine("Operation {0} finished", op);28            });29            var op7 = Operation.Create("op7", (op) =>30            {31                Console.WriteLine("Operation {0} finished", op);32            });33            var op8 = Operation.Create("op8", (op) =>34            {35                Console.WriteLine("Operation {0} finished", op);36            });37            var op9 = Operation.Create("op9", (op) =>38            {39                Console.WriteLine("Operation {0} finished", op);40            });41            var op10 = Operation.Create("op10", (op) =>42            {43                Console.WriteLine("Operation {0} finished", op);44            });45            var op11 = Operation.Create("op11", (op) =>46            {47                Console.WriteLine("Operation {0} finished", op);48            });

Operation

Using AI Code Generation

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

Operation

Using AI Code Generation

1using Microsoft.Coyote.Runtime;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var task = Task.Run(() => new Operation().Run());9            task.Wait();10        }11    }12}13using Microsoft.Coyote.Runtime;14using System;15using System.Threading.Tasks;16{17    {18        static void Main(string[] args)19        {20            var task = Task.Run(() => new Operation().Run());21            task.Wait();22        }23    }24}25using Microsoft.Coyote.Runtime;26using System;27using System.Threading.Tasks;28{29    {30        static void Main(string[] args)31        {32            var task = Task.Run(() => new Operation().Run());33            task.Wait();34        }35    }36}37using Microsoft.Coyote.Runtime;38using System;39using System.Threading.Tasks;40{41    {42        static void Main(string[] args)43        {44            var task = Task.Run(() => new Operation().Run());45            task.Wait();46        }47    }48}49using Microsoft.Coyote.Runtime;50using System;51using System.Threading.Tasks;52{53    {54        static void Main(string[] args)55        {56            var task = Task.Run(() => new Operation().Run());57            task.Wait();58        }59    }60}61using Microsoft.Coyote.Runtime;62using System;63using System.Threading.Tasks;64{65    {66        static void Main(string[] args)67        {68            var task = Task.Run(() => new Operation().Run());69            task.Wait();70        }71    }72}73using Microsoft.Coyote.Runtime;74using System;75using System.Threading.Tasks;76{77    {78        static void Main(string

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