Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use ActivatorCreateInstanceTBehavior class of Telerik.JustMock.Core.Behaviors package
Best JustMockLite code snippet using Telerik.JustMock.Core.Behaviors.ActivatorCreateInstanceTBehavior
MocksRepository.cs
Source:MocksRepository.cs 
...645 result.CallPattern = CallPatternCreator.FromExpression(this, expression);646 AddArrange(result);647 }648#if !PORTABLE649 var createInstanceLambda = ActivatorCreateInstanceTBehavior.TryCreateArrangementExpression(result.CallPattern.Method);650 if (createInstanceLambda != null)651 {652 var createInstanceMethodMock = Arrange(createInstanceLambda, methodMockFactory);653 ActivatorCreateInstanceTBehavior.Attach(result, createInstanceMethodMock);654 }655#endif656 return result;657 }658 /// <summary>659 /// Since we are not able to record deffered execution, check whether mock is about to present660 /// IQueryable<> or IEnumerable<>. If it so, then throw an exception to prompt the user to use661 /// Mock.Arrange overloads with expressions.662 /// See also https://stackoverflow.com/questions/3894490/linq-what-is-the-quickest-way-to-find-out-deferred-execution-or-not663 /// </summary>664 /// <typeparam name="TMethodMock">Mock return type</typeparam>665 /// <param name="methodMockFactory">Mock factory</param>666 private void CheckDefferedExecutionTypes<TMethodMock>(Func<TMethodMock> methodMockFactory)667 {...
ActivatorCreateInstanceTBehavior.cs
Source:ActivatorCreateInstanceTBehavior.cs
2using System.Linq.Expressions;3using System.Reflection;4namespace Telerik.JustMock.Core.Behaviors5{6 internal class ActivatorCreateInstanceTBehavior : IBehavior7 {8 private readonly IMethodMock delegatedMock;9 public ActivatorCreateInstanceTBehavior(IMethodMock delegatedMock)10 {11 this.delegatedMock = delegatedMock;12 }13 public void Process(Invocation invocation)14 {15 var delegatedInvocation = new Invocation(16 MockingUtil.TryGetUninitializedObject(invocation.Method.GetReturnType()),17 delegatedMock.CallPattern.Method,18 new object[0]);19 this.delegatedMock.Repository.DispatchInvocation(delegatedInvocation);20 if (delegatedInvocation.IsReturnValueSet)21 invocation.ReturnValue = delegatedInvocation.ReturnValue;22 invocation.CallOriginal = delegatedInvocation.CallOriginal;23 invocation.UserProvidedImplementation = delegatedInvocation.UserProvidedImplementation;24 invocation.ExceptionThrower = delegatedInvocation.ExceptionThrower;25 if (invocation.CallOriginal)26 ProfilerInterceptor.SkipMethodInterceptionOnce(delegatedMock.CallPattern.Method);27 }28 public static LambdaExpression TryCreateArrangementExpression(MethodBase method)29 {30 var ctor = method as ConstructorInfo;31 if (ctor == null)32 return null;33 var createInstance = typeof(Activator).GetMethod("CreateInstance", MockingUtil.EmptyTypes);34 createInstance = createInstance.MakeGenericMethod(method.DeclaringType);35 return Expression.Lambda(Expression.Call(createInstance));36 }37 public static void Attach(IMethodMock newExprMethodMock, IMethodMock createInstanceMethodMock)38 {39 var activatorBehavior = new ActivatorCreateInstanceTBehavior(newExprMethodMock);40 createInstanceMethodMock.Behaviors.Add(activatorBehavior);41 }42 }43}...
ActivatorCreateInstanceTBehavior
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 Telerik.JustMock.Helpers;9{10 {11 public string Test()12 {13 return "Test";14 }15 }16 {17 public string Test()18 {19 return "Test";20 }21 }22 {23 public string Test()24 {25 return "Test";26 }27 }28 {29 public string Test()30 {31 return "Test";32 }33 }34 {35 public string Test()36 {37 return "Test";38 }39 }40 {41 public string Test()42 {43 return "Test";44 }45 }46 {47 public string Test()48 {49 return "Test";50 }51 }52 {53 public string Test()54 {55 return "Test";56 }57 }58 {59 public string Test()60 {61 return "Test";62 }63 }64 {65 public string Test()66 {67 return "Test";68 }69 }70 {71 public string Test()72 {73 return "Test";74 }75 }76 {77 public string Test()78 {79 return "Test";80 }81 }82 {83 public string Test()84 {85 return "Test";86 }87 }88 {89 public string Test()90 {91 return "Test";92 }93 }94 {95 public string Test()96 {97 return "Test";98 }99 }100 {101 public string Test()102 {103 return "Test";104 }105 }106 {107 public string Test()108 {109 return "Test";110 }111 }112 {113 public string Test()114 {115 return "Test";116 }117 }118 {119 public string Test()
ActivatorCreateInstanceTBehavior
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;8{9 {10 public virtual void TestMethod()11 {12 Console.WriteLine("test");13 }14 }15 {16 static void Main(string[] args)17 {18 var mock = Mock.Create<TestClass>();19 Mock.Arrange(() => mock.TestMethod()).DoInstead((Action)(() => Console.WriteLine("test2")));20 Mock.Arrange(() => mock.TestMethod()).CallOriginal();21 Mock.Arrange(() => mock.TestMethod()).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test3")));22 Mock.Arrange(() => mock.TestMethod()).DoInstead((Action)(() => Console.WriteLine("test4"))).CallOriginal();23 Mock.Arrange(() => mock.TestMethod()).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test5"))).CallOriginal();24 Mock.Arrange(() => mock.TestMethod()).DoInstead((Action)(() => Console.WriteLine("test6"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test7")));25 Mock.Arrange(() => mock.TestMethod()).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test8"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test9")));26 Mock.Arrange(() => mock.TestMethod()).DoInstead((Action)(() => Console.WriteLine("test10"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test11"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test12")));27 Mock.Arrange(() => mock.TestMethod()).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test13"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test14"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test15")));28 Mock.Arrange(() => mock.TestMethod()).DoInstead((Action)(() => Console.WriteLine("test16"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test17"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test18"))).CallOriginal().DoInstead((Action)(() => Console.WriteLine("test19")));
ActivatorCreateInstanceTBehavior
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock.Core.Behaviors;7{8 {9 public void Test()10 {11 var obj = new ActivatorCreateInstanceTBehavior();12 }13 }14}15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using System.Threading.Tasks;20using Telerik.JustMock;21{22 {23 public void Test()24 {25 var obj = new ActivatorCreateInstanceTBehavior();26 }27 }28}
ActivatorCreateInstanceTBehavior
Using AI Code Generation
1{2 public void TestMethod()3 {4 var mock = Mock.Create<TestClass>();5 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));6 mock.TestMethod();7 }8}9{10 public void TestMethod()11 {12 var mock = Mock.Create<TestClass>();13 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));14 mock.TestMethod();15 }16}17{18 public void TestMethod()19 {20 var mock = Mock.Create<TestClass>();21 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));22 mock.TestMethod();23 }24}25{26 public void TestMethod()27 {28 var mock = Mock.Create<TestClass>();29 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));30 mock.TestMethod();31 }32}33{34 public void TestMethod()35 {36 var mock = Mock.Create<TestClass>();37 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));38 mock.TestMethod();39 }40}41{42 public void TestMethod()43 {44 var mock = Mock.Create<TestClass>();45 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));46 mock.TestMethod();47 }48}49{50 public void TestMethod()51 {52 var mock = Mock.Create<TestClass>();53 Mock.Arrange(() => mock.TestMethod()).DoInstead(() => Console.WriteLine("Hello World"));54 mock.TestMethod();55 }56}
ActivatorCreateInstanceTBehavior
Using AI Code Generation
1using Telerik.JustMock.Core.Behaviors;2{3 {4 static void Main(string[] args)5 {6 var mock = Mock.Create<MyClass>();7 Mock.Arrange(() => new MyClass()).Returns(mock).MustBeCalled();8 var result = new MyClass();9 Mock.Assert(mock);10 }11 }12 {13 public MyClass()14 {15 }16 }17}18using Telerik.JustMock.Core.Behaviors;19{20 {21 static void Main(string[] args)22 {23 var mock = Mock.Create<MyClass>();24 Mock.Arrange(() => new MyClass()).Returns(mock).MustBeCalled();25 var result = new MyClass();26 Mock.Assert(mock);27 }28 }29 {30 public MyClass(int a)31 {32 }33 }34}
ActivatorCreateInstanceTBehavior
Using AI Code Generation
1using Telerik.JustMock.Core.Behaviors;2using Telerik.JustMock;3Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface1>(Arg.IsAny<Type[]>()))4 .Returns(new Interface1Impl1());5Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface2>(Arg.IsAny<Type[]>()))6 .Returns(new Interface2Impl1());7obj.DoSomething();8Assert.AreEqual("Interface1Impl1", obj.Interface1Prop);9Assert.AreEqual("Interface2Impl1", obj.Interface2Prop);10using Telerik.JustMock.Core.Behaviors;11using Telerik.JustMock;12Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface1>(Arg.IsAny<Type[]>()))13 .Returns(new Interface1Impl2());14Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface2>(Arg.IsAny<Type[]>()))15 .Returns(new Interface2Impl2());16obj.DoSomething();17Assert.AreEqual("Interface1Impl2", obj.Interface1Prop);18Assert.AreEqual("Interface2Impl2", obj.Interface2Prop);19using Telerik.JustMock.Core.Behaviors;20using Telerik.JustMock;21Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface1>(Arg.IsAny<Type[]>()))22 .Returns(new Interface1Impl1());23Mock.Arrange(() => Activator.CreateInstanceTBehavior<Interface2>(Arg.IsAny<Type[]>()))24 .Returns(new Interface2Impl2());25obj.DoSomething();26Assert.AreEqual("Interface1Impl1", obj.Interface1Prop);27Assert.AreEqual("Interface2Impl2", obj.Interface2Prop);
ActivatorCreateInstanceTBehavior
Using AI Code Generation
1var mock = Mock.Create<ISomeInterface>(Behavior.CallOriginal);2Mock.Arrange(() => mock.SomeMethod()).Returns(100);3Mock.Assert(() => mock.SomeMethod(), Occurs.Once());4var mock = Mock.Create<ISomeInterface>(Behavior.CallOriginal);5Mock.Arrange(() => mock.SomeMethod()).Returns(100);6Mock.Assert(() => mock.SomeMethod(), Occurs.Once());7var mock = Mock.Create<ISomeInterface>(Behavior.CallOriginal);8Mock.Arrange(() => mock.SomeMethod()).Returns(100);9Mock.Assert(() => mock.SomeMethod(), Occurs.Once());10var mock = Mock.Create<ISomeInterface>(Behavior.CallOriginal);11Mock.Arrange(() => mock.SomeMethod()).Returns(100);12Mock.Assert(() => mock.SomeMethod(), Occurs.Once());13var mock = Mock.Create<ISomeInterface>(Behavior.CallOriginal);
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run JustMockLite automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used methods in ActivatorCreateInstanceTBehavior
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
