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How to use EventStubsBehavior class of Telerik.JustMock.Core.Behaviors package

Best JustMockLite code snippet using Telerik.JustMock.Core.Behaviors.EventStubsBehavior

MockCreationSettings.cs

Source:MockCreationSettings.cs

...81            var supplementaryBehaviors = new List<IBehavior>();82            var fallbackBehaviors = new List<IBehavior>();83            var mixins = new List<object>();84            mixins.Add(new MockingBehaviorConfiguration { Behavior = behavior });85            var eventStubs = new EventStubsBehavior();86            mixins.Add(eventStubs.CreateMixin());87            switch (behavior)88            {89                case Behavior.RecursiveLoose:90                case Behavior.Loose:91                    fallbackBehaviors.Add(eventStubs);92                    fallbackBehaviors.Add(new PropertyStubsBehavior());93                    fallbackBehaviors.Add(new CallOriginalObjectMethodsBehavior());94                    fallbackBehaviors.Add(new RecursiveMockingBehavior(behavior == Behavior.RecursiveLoose95                        ? RecursiveMockingBehaviorType.ReturnMock : RecursiveMockingBehaviorType.ReturnDefault));96                    fallbackBehaviors.Add(new StaticConstructorMockBehavior());97                    fallbackBehaviors.Add(new ExecuteConstructorBehavior());98                    break;99                case Behavior.Strict:...

EventStubsBehavior.cs

Source:EventStubsBehavior.cs

...27		/// An implementation detail. Not intended for external usage.28		/// </summary>29		void RaiseEvent(EventInfo evt, object[] delegateArguments);30	}31	internal class EventStubsBehavior : IBehavior32	{33		private readonly Dictionary<EventInfo, Delegate> eventHandlers = new Dictionary<EventInfo, Delegate>();34		public object CreateMixin()35		{36			return new EventsMixin(this);37		}38		public void Process(Invocation invocation)39		{40			var method = invocation.Method;41			var candidateEvent = method.GetEventFromAddOrRemove();42			if (candidateEvent == null)43				return;44			invocation.UserProvidedImplementation = true;45			var delg = (Delegate)invocation.Args[0];46			if (candidateEvent.GetAddMethod(true) == invocation.Method)47				this.AddEventHandler(candidateEvent, delg);48			else49				this.RemoveEventHandler(candidateEvent, delg);50		}51		private void AddEventHandler(EventInfo evt, Delegate handler)52		{53			Delegate existing;54			eventHandlers.TryGetValue(evt, out existing);55			eventHandlers[evt] = Delegate.Combine(existing, handler);56		}57		private void RemoveEventHandler(EventInfo evt, Delegate handler)58		{59			Delegate existing;60			eventHandlers.TryGetValue(evt, out existing);61			eventHandlers[evt] = Delegate.Remove(existing, handler);62		}63		public void RaiseEvent(EventInfo evt, object[] delegateArguments)64		{65			Delegate existing;66			eventHandlers.TryGetValue(evt, out existing);67			if (existing != null)68			{69				try70				{71					object state;72					MockingUtil.BindToMethod(MockingUtil.Default, new[] { existing.Method }, ref delegateArguments, null, null, null, out state);73				}74				catch (MissingMethodException ex)75				{76					throw new MockException(String.Format("Event signature {0} is incompatible with argument types ({1})",77						existing.Method, String.Join(", ", delegateArguments.Select(x => x != null ? x.GetType().ToString() : "null").ToArray())78						), ex);79				}80				var invoker = MockingUtil.MakeFuncCaller(existing);81				ProfilerInterceptor.GuardExternal(() => invoker(delegateArguments, existing));82			}83		}84		private class EventsMixin : IEventsMixin85		{86			private readonly EventStubsBehavior events;87			public EventsMixin(EventStubsBehavior events)88			{89				this.events = events;90			}91			public void RaiseEvent(EventInfo evt, object[] delegateArguments)92			{93				events.RaiseEvent(evt, delegateArguments);94			}95		}96	}97}...

EventStubsBehavior

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.ServiceBus.Messaging;7using Telerik.JustMock;8using Telerik.JustMock.Core.Behaviors;9{10    {11        static void Main(string[] args)12        {13            var client = Mock.Create<EventHubClient>();14            Mock.Arrange(() => client.SendAsync(Arg.IsAny<EventData>())).DoNothing().MustBeCalled();15            var behavior = new EventStubsBehavior(client);16            Mock.AddBehavior(behavior);17            var eventHub = new EventHub();18            eventHub.SendEvent("test");19            Mock.Assert(client);20        }21    }22}23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28using Microsoft.ServiceBus.Messaging;29using Telerik.JustMock;30using Telerik.JustMock.Core.Behaviors;31{32    {33        private EventHubClient client;34        public EventHub()35        {36        }37        public void SendEvent(string message)38        {39            client.SendAsync(new EventData(Encoding.UTF8.GetBytes(message)));40        }41    }42}

EventStubsBehavior

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core;3using Telerik.JustMock.Helpers;4using Microsoft.Azure.EventHubs;5using Microsoft.Azure.EventHubs.Processor;6using Microsoft.Azure.WebJobs;7using Microsoft.Azure.WebJobs.ServiceBus;8using Microsoft.Extensions.Logging;9using System;10using System.Collections.Generic;11using System.Text;12using System.Threading.Tasks;13{14    {15        [FunctionName("Function1")]16        public static async Task Run([EventHubTrigger("justmocksample", Connection = "EventHubConnectionAppSetting")] EventData[] events,17            [EventHub("justmocksample", Connection = "EventHubConnectionAppSetting")] IAsyncCollector<EventData> outputEvents,18        {19            var eventProcessorHost = Mock.Create<EventProcessorHost>();20            Mock.Arrange(() => eventProcessorHost.RegisterEventProcessorFactoryAsync(Arg.IsAny<IEventProcessorFactory>()))21                .DoInstead(() => { throw new Exception("test"); })22                .MustBeCalled();23            await eventProcessorHost.RegisterEventProcessorFactoryAsync(new EventProcessorFactory());24        }25    }26}27using Microsoft.Azure.EventHubs.Processor;28using System;29using System.Collections.Generic;30using System.Text;31using System.Threading.Tasks;32{33    {34        public IEventProcessor CreateEventProcessor(PartitionContext context)35        {36            return new EventProcessor();37        }38    }39}40using Microsoft.Azure.EventHubs;41using Microsoft.Azure.EventHubs.Processor;42using System;43using System.Collections.Generic;44using System.Text;45using System.Threading.Tasks;46{47    {48        public Task CloseAsync(PartitionContext context, CloseReason reason)49        {50            throw new NotImplementedException();51        }52        public Task OpenAsync(PartitionContext context)

EventStubsBehavior

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock;7using Telerik.JustMock.Core.Behaviors;8using Microsoft.ServiceBus.Messaging;9{10    {11        public static EventHubClient Create(string eventHubPath, string connectionString)12        {13            var behavior = new EventStubsBehavior();14            var client = Mock.Create<EventHubClient>(behavior);15            Mock.Arrange(() => client.Send(Arg.IsAny<EventData>())).DoNothing().MustBeCalled();16            return client;17        }18    }19}20using System;21using System.Collections.Generic;22using System.Linq;23using System.Text;24using System.Threading.Tasks;25using Telerik.JustMock;26using Telerik.JustMock.Core.Behaviors;27using Microsoft.ServiceBus.Messaging;28{29    {30        public static EventData Create(string message)31        {32            var behavior = new EventStubsBehavior();33            var client = Mock.Create<EventData>(behavior);34            Mock.Arrange(() => client.GetBytes()).Returns(Encoding.UTF8.GetBytes(message)).MustBeCalled();35            return client;36        }37    }38}39using System;40using System.Collections.Generic;41using System.Linq;42using System.Text;43using System.Threading.Tasks;44using Telerik.JustMock;45using Telerik.JustMock.Core.Behaviors;46using Microsoft.ServiceBus.Messaging;47{48    {49        public static EventHubClient Create(string eventHubPath, string connectionString)50        {51            var behavior = new EventStubsBehavior();52            var client = Mock.Create<EventHubClient>(behavior);53            Mock.Arrange(() => client.Send(Arg.IsAny<EventData>())).DoNothing().MustBeCalled();54            return client;55        }56    }57}58using System;

EventStubsBehavior

Using AI Code Generation

1{2    public bool AppliesTo(IMethodInvocation invocation)3    {4        return invocation.Method.Name == "Add" && invocation.Method.DeclaringType.Name == "EventStubs";5    }6    public void Execute(IMethodInvocation invocation)7    {8        var eventStubs = invocation.Instance as EventStubs;9        if (eventStubs != null)10        {11            var eventHubClient = Mock.Create<EventHubClient>();12            Mock.Arrange(() => eventHubClient.SendAsync(Arg.IsAny<EventData>())).DoNothing();13            eventStubs.EventHubClients.Add(eventHubClient);14        }15        invocation.Proceed();16    }17}18{19    public void EventStubsTests_EventHubClients()20    {21        var eventStubs = Mock.Create<EventStubs>(Behavior.CallOriginal, new EventStubsBehavior());22        var eventHubClient = Mock.Create<EventHubClient>();23        eventStubs.Add(eventHubClient);24        Assert.IsTrue(eventStubs.EventHubClients.Count == 1);25    }26}

EventStubsBehavior

Using AI Code Generation

1using Telerik.JustMock.Core.Behaviors;2{3    {4        public void Send(string message)5        {6        }7    }8}9using Telerik.JustMock;10using Telerik.JustMock.Core.Behaviors;11using MyNamespace;12{13    {14        public static void Main(string[] args)15        {16            var eventHubClient = Mock.Create<EventHubClient>();17            Mock.Arrange(() => eventHubClient.Send(Arg.AnyString)).DoNothing().MustBeCalled();18            eventHubClient.Send("Hello");19            Mock.Assert(eventHubClient);20        }21    }22}23The above code snippet will throw a MockException: "Assert failed. Expected call: EventHubClient.Send(Arg.AnyString); Actual: None."

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