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IssueReportsFixture.cs
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IssueReportsFixture.cs
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// Copyright (c) 2007, Clarius Consulting, Manas Technology Solutions, InSTEDD.
// All rights reserved. Licensed under the BSD 3-Clause License; see License.txt.
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Castle.DynamicProxy;
using Moq;
using Moq.Properties;
using Moq.Protected;
using Xunit;
#region #181
// NOTE class without namespace
public class _181
{
[Fact]
public void ReproTest()
{
var mock = new Mock<IDisposable>();
mock.Object.Dispose();
mock.Verify(d => d.Dispose());
}
}
#endregion
namespace Moq.Tests.Regressions
{
public class IssueReportsFixture
{
// @ GitHub
#region #54
public class Issue54
{
public interface IFoo
{
void Bar();
}
[Fact]
public void when_as_disposable_then_succeeds()
{
var mock = new Mock<IFoo>();
mock.Setup(x => x.Bar());
mock.As<IDisposable>().Setup(x => x.Dispose());
Action<IFoo> testMock = (IFoo foo) =>
{
foo.Bar();
var disposable = foo as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
};
testMock(mock.Object);
mock.VerifyAll();
}
}
#endregion
#region 47 & 62
public class Issue47ClassToMock
{
AutoResetEvent reset = new AutoResetEvent(false);
public virtual void M1()
{
//we're inside the interceptor's stack now
//kick off a new thread to a method on ourselves, which will also go through the interceptor
Thread th = new Thread(new ThreadStart(M2));
th.Start();
//ensure the thread has started
Thread.Sleep(500);
//release the thing the thread 'should' be waiting on
reset.Set();
//wait for the thread to finish
th.Join();
}
public virtual void M2()
{
//this method will get called on the thread, via the interceptor
//if the interceptor is locking then we won't get here until after the thread.Join above has
//finished, which is blocked waiting on us.
reset.WaitOne();
}
}
[Fact]
public void CallsToExternalCodeNotLockedInInterceptor()
{
var testMock = new Mock<Issue47ClassToMock> { CallBase = true };
testMock.Object.M1(); // <-- This will never return if the interceptor is locking!
testMock.Verify(x => x.M1());
testMock.Verify(x => x.M2());
}
#endregion
#region #78
public interface IIssue78Interface
{
Issue78TypeOne GetTypeOne();
Issue78TypeTwo GetTypeTwo();
}
public class Issue78TypeOne
{
}
public class Issue78TypeTwo
{
}
public class Issue78Sut
{
public void TestMethod(IIssue78Interface intOne)
{
Task<Issue78TypeOne> getTypeOneTask = Task<Issue78TypeOne>.Factory.StartNew(() => intOne.GetTypeOne());
Task<Issue78TypeTwo> getTypeTwoTask = Task<Issue78TypeTwo>.Factory.StartNew(() => intOne.GetTypeTwo());
Issue78TypeOne objOne = getTypeOneTask.Result;
Issue78TypeTwo objTwo = getTypeTwoTask.Result;
}
}
public class Issue78Tests
{
[Fact()]
public void DoTest()
{
Mock<IIssue78Interface> mock = new Mock<IIssue78Interface>();
Issue78TypeOne expectedResOne = new Issue78TypeOne();
Issue78TypeTwo expectedResTwo = new Issue78TypeTwo();
mock.Setup(it => it.GetTypeOne()).Returns(expectedResOne);
mock.Setup(it => it.GetTypeTwo()).Returns(expectedResTwo);
Issue78Sut sut = new Issue78Sut();
sut.TestMethod(mock.Object);
mock.VerifyAll();
}
}
#endregion
#region 82
public class Issue82
{
public interface ILogger
{
event Action info;
void add_info(string info);
void Add_info(string info);
void remove_info(string info);
void Remove_info(string info);
}
[Fact]
public void MethodWithAddUnderscoreNamePrefixDoesNotGetMisrecognizedAsEventAccessor()
{
var mock = new Mock<ILogger>();
mock.Setup(x => x.add_info(It.IsAny<string>()));
mock.Setup(x => x.Add_info(It.IsAny<string>()));
mock.Object.add_info(string.Empty);
mock.Object.Add_info(string.Empty);
}
[Fact]
public void MethodWithRemoveUnderscoreNamePrefixDoesNotGetMisrecognizedAsEventAccessor()
{
var mock = new Mock<ILogger>();
mock.Setup(x => x.remove_info(It.IsAny<string>()));
mock.Setup(x => x.Remove_info(It.IsAny<string>()));
mock.Object.remove_info(string.Empty);
mock.Object.Remove_info(string.Empty);
}
}
#endregion
#region 110
public class Issue110
{
[Fact]
public void Recursive_property_does_not_override_previous_setups()
{
var baz = Mock.Of<Baz>(x => x.Value == "beforeBaz");
var qux = Mock.Of<Qux>(x => x.Value == "beforeQux");
var bar = Mock.Of<Bar>(x =>
x.Baz == baz &&
x.Qux == qux);
var obj = Mock.Of<Foo>(x => x.Bar == bar);
var mock = Mock.Get(obj);
Assert.Equal("beforeBaz", obj.Bar.Baz.Value); // Pass
Assert.Equal("beforeQux", obj.Bar.Qux.Value); // Pass
mock.SetupGet(x => x.Bar.Baz.Value).Returns("test");
Assert.Equal("test", obj.Bar.Baz.Value); // Pass
Assert.Equal("beforeQux", obj.Bar.Qux.Value); // Fail
}
public interface Foo
{
Bar Bar { get; }
}
public interface Bar
{
Baz Baz { get; }
Qux Qux { get; }
}
public interface Qux
{
string Value { get; }
}
public interface Baz
{
string Value { get; }
}
}
#endregion
#region 131
public class Issue131
{
[Fact]
public void Order_of_setups_should_not_matter_when_setting_up_methods_in_a_hierarchy_of_interfaces()
{
var mock = new Mock<Derived>();
mock.Setup(x => x.Method())
.Returns("Derived");
mock.As<BaseA>().Setup(x => x.Method())
.Returns("BaseA");
mock.As<BaseB>().Setup(x => x.Method())
.Returns("BaseB");
var derived = mock.Object;
Assert.Equal("Derived", derived.Method());
Assert.Equal("BaseA", (derived as BaseA).Method());
Assert.Equal("BaseB", (derived as BaseB).Method());
}
public interface BaseA
{
string Method();
}
public interface BaseB
{
string Method();
}
public interface Derived : BaseA, BaseB
{
new string Method();
}
}
#endregion
#region 141
public class Issue141
{
[Fact]
public void MockingDoesNotChangeVirtualnessAndFinalnessOfInheritedInterfaceMethod()
{
var actualTypeMethod = typeof(ConcreteClass).GetMethod("Method");
Assert.True(actualTypeMethod.IsVirtual && actualTypeMethod.IsFinal);
var mockedTypeMethod = new Mock<ConcreteClass>().Object.GetType().GetMethod("Method");
Assert.True(mockedTypeMethod.IsVirtual && mockedTypeMethod.IsFinal);
}
public interface ISomeInterface
{
void Method();
}
public class ConcreteClass : ISomeInterface
{
public void Method() { }
}
}
#endregion
#region 142
public class Issue142
{
[Fact]
public void Mock_Of_recursive_with_argument_matchers()
{
var foo = Mock.Of<IFoo>(f =>
f.Foo(It.Is<int>(i => i == 1)).Name == "One" &&
f.Foo(It.Is<int>(i => i == 2)).Name == "Two");
Assert.Equal("One", foo.Foo(1).Name);
Assert.Equal("Two", foo.Foo(2).Name);
}
public interface INameHolder
{
string Name { get; }
}
public interface IFoo
{
INameHolder Foo(int index);
}
}
#endregion
#region 156
public class Issue156
{
[Fact]
public void Test()
{
var mock = new Mock<A>(MockBehavior.Strict);
var actualViaObject = mock.Object.Foo();
var actualViaInterface = ((IA)mock.Object).Foo();
Assert.Equal(42, actualViaObject);
Assert.Equal(42, actualViaInterface);
}
public class A : IA
{
public int Foo()
{
return 42;
}
}
public interface IA
{
int Foo();
}
}
#endregion
#region 157
public class Issue157
{
[Fact]
public void Test()
{
var streamMock = new Mock<Stream>();
using (var stream = streamMock.Object) { }
// non-mocked Dispose methods calls Close which is virtual and can thus be verified
streamMock.Verify(x => x.Close());
}
public class Stream : IDisposable
{
public void Dispose()
{
Close();
}
public virtual void Close()
{
}
}
}
#endregion
#region 162
public class Issue162
{
[Fact]
public void GetSetPropertyThatOverridesGetPropertyRetainsValueSetUpWithMockOf()
{
const decimal expectedValue = .14M;
var i = Mock.Of<B>(b => b.Value == expectedValue);
Assert.Equal(expectedValue, actual: i.Value);
}
public interface A
{
decimal? Value { get; }
}
public interface B : A
{
new decimal? Value { get; set; }
}
}
#endregion
#region 163
#if FEATURE_DYNAMICPROXY_SERIALIZABLE_PROXIES
public class Issue163 // see also issue 340 below
{
[Fact]
public void WhenMoqEncountersTypeThatDynamicProxyCannotHandleFallbackToEmptyDefaultValue()
{
// First, establish that we're looking at situation involving a type that DynamicProxy
// cannot handle:
var proxyGenerator = new ProxyGenerator();
Assert.Throws<ArgumentException>(() => proxyGenerator.CreateClassProxy<NoDeserializationCtor>());
// With such a type, Moq should fall back to the empty default value provider:
var foo = Mock.Of<Foo>();
Assert.Null(foo.SomeSerializableObject);
}
public abstract class Foo
{
public abstract NoDeserializationCtor SomeSerializableObject { get; }
}
[Serializable]
public abstract class NoDeserializationCtor : ISerializable
{
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
/// <summary>
/// The tests in this class document some of Moq's assumptions about
/// how Castle DynamicProxy handles various correct and incorrect
/// implementations of `ISerializable`. If any one these tests start
/// failing, this is a signal that DynamicProxy has changed, and that
/// Moq might have to be adjusted accordingly.
/// </summary>
public class AssumptionsAboutDynamicProxy
{
[Theory]
[InlineData(typeof(CorrectImplementation))]
public void CanCreateProxyForCorrectImplementaiton(Type classToProxy)
{
var proxyGenerator = new ProxyGenerator();
var proxy = proxyGenerator.CreateClassProxy(classToProxy);
Assert.NotNull(proxy);
}
[Theory]
[InlineData(typeof(NoSerializableAttribute))]
[InlineData(typeof(NoSerializableAttributeAndNoDeserializationCtor))]
[InlineData(typeof(NoSerializableAttributeAndGetObjectDataNotVirtual))]
public void DoesNotMindPossibleErrorsIfNoSerializableAttribute(Type classToProxy)
{
var proxyGenerator = new ProxyGenerator();
var proxy = proxyGenerator.CreateClassProxy(classToProxy);
Assert.NotNull(proxy);
}
[Theory]
[InlineData(typeof(NotISerializable))]
[InlineData(typeof(NotISerializableAndNoDeserializationCtor))]
[InlineData(typeof(NotISerializableAndGetObjectDataNotVirtual))]
public void DoesNotMindPossibleErrorsIfNotISerializable(Type classToProxy)
{
var proxyGenerator = new ProxyGenerator();
var proxy = proxyGenerator.CreateClassProxy(classToProxy);
Assert.NotNull(proxy);
}
[Theory]
[InlineData(typeof(NoDeserializationCtor))]
public void DoesMindMissingDeserializationCtor(Type classToProxy)
{
var proxyGenerator = new ProxyGenerator();
Assert.Throws<ArgumentException>(() => proxyGenerator.CreateClassProxy(classToProxy));
}
[Theory]
[InlineData(typeof(GetObjectDataNotVirtual))]
public void DoesMindNonVirtualGetObjectData(Type classToProxy)
{
var proxyGenerator = new ProxyGenerator();
Assert.Throws<ArgumentException>(() => proxyGenerator.CreateClassProxy(classToProxy));
}
public abstract class NoSerializableAttribute : ISerializable
{
protected NoSerializableAttribute() { }
protected NoSerializableAttribute(SerializationInfo info, StreamingContext context) { }
public void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
public abstract class NoSerializableAttributeAndNoDeserializationCtor : ISerializable
{
public void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
public abstract class NoSerializableAttributeAndGetObjectDataNotVirtual : ISerializable
{
protected NoSerializableAttributeAndGetObjectDataNotVirtual() { }
protected NoSerializableAttributeAndGetObjectDataNotVirtual(SerializationInfo info, StreamingContext context) { }
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class CorrectImplementation : ISerializable
{
protected CorrectImplementation() { }
protected CorrectImplementation(SerializationInfo info, StreamingContext context) { }
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class NotISerializable
{
protected NotISerializable() { }
protected NotISerializable(SerializationInfo info, StreamingContext context) { }
public void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class NotISerializableAndNoDeserializationCtor
{
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class NotISerializableAndGetObjectDataNotVirtual
{
protected NotISerializableAndGetObjectDataNotVirtual() { }
protected NotISerializableAndGetObjectDataNotVirtual(SerializationInfo info, StreamingContext context) { }
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class NoDeserializationCtor : ISerializable
{
public virtual void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
[Serializable]
public abstract class GetObjectDataNotVirtual : ISerializable
{
protected GetObjectDataNotVirtual() { }
protected GetObjectDataNotVirtual(SerializationInfo info, StreamingContext context) { }
public void GetObjectData(SerializationInfo info, StreamingContext context) { }
}
}
}
#endif
#endregion
#region 164
public class Issue164
{
[Fact]
public void PropertyFails()
{
var mock = new Mock<LogWrapper>();
mock.Setup(o => o.IsDebugEnabled).Returns(false).Verifiable();
Checker(mock.Object);
mock.Verify(log => log.IsDebugEnabled, Times.Exactly(1));
}
private static void Checker(ILogger log)
{
log.Debug("some message");
}
public interface ILogger
{
bool IsDebugEnabled { get; }
void Debug(object message);
}
public class LogWrapper : ILogger
{
public virtual bool IsDebugEnabled
{
get { return true; }
}
public void Debug(object message)
{
if (IsDebugEnabled)
{
Console.WriteLine(message);
}
}
}
}
#endregion
#region 166
public class Issue166
{
[Fact]
public void Events_with_same_name_in_object_graph_can_both_be_raised()
{
var mock = new Mock<IFoo> { DefaultValue = DefaultValue.Mock };
var fooEventRaiseCount = 0;
mock.Object.Event += (s, e) => ++fooEventRaiseCount;
var barEventRaiseCount = 0;
mock.Object.Bar.Event += (s, e) => ++barEventRaiseCount;
mock.Raise(x => x.Event += null, EventArgs.Empty);
mock.Raise(x => x.Bar.Event += null, EventArgs.Empty);
Assert.Equal(1, fooEventRaiseCount);
Assert.Equal(1, barEventRaiseCount);
}
[Fact]
public void Events_with_different_names_in_object_graph_can_both_be_raised()
{
var mock = new Mock<IFoo> { DefaultValue = DefaultValue.Mock };
var fooEventRaiseCount = 0;
mock.Object.Event += (s, e) => ++fooEventRaiseCount;
var barAnotherEventRaiseCount = 0;
mock.Object.Bar.AnotherEvent += (s, e) => ++barAnotherEventRaiseCount;
mock.Raise(x => x.Event += null, EventArgs.Empty);
mock.Raise(x => x.Bar.AnotherEvent += null, EventArgs.Empty);
Assert.Equal(1, fooEventRaiseCount);
Assert.Equal(1, barAnotherEventRaiseCount);
}
[Fact]
public void Event_in_child_mock_can_be_raised_if_parent_object_has_no_events()
{
var mock = new Mock<IQux>() { DefaultValue = DefaultValue.Mock };
var quuxEventRaiseCount = 0;
mock.Object.Quux.Event += (s, e) => ++quuxEventRaiseCount;
mock.Raise(x => x.Quux.Event += null, EventArgs.Empty);
Assert.Equal(1, quuxEventRaiseCount);
}
public interface IFoo
{
IBar Bar { get; }
event EventHandler Event;
}
public interface IBar
{
event EventHandler Event;
event EventHandler AnotherEvent;
}
public interface IQux
{
IQuux Quux { get; }
}
public interface IQuux : IQux
{
event EventHandler Event;
}
}
#endregion
#region 169
public class Issue169
{
[Fact]
public void Mocks_that_implement_IEnumerable_which_is_not_set_up_can_be_used_without_NullReferenceException()
{
// This test makes sure that a mock is usable when it implements IEnumerable,
// but that interface isn't set up to correctly work. (Moq will attempt to use
// IEnumerable to generate an ExpressionKey, for example.)
var mocks = new MockRepository(MockBehavior.Loose);
var service = mocks.Create<IDependency>();
var input = mocks.OneOf<IInput>();
service.Setup(x => x.Run(input)).Returns(1);
var foo = new Foo(service.Object);
foo.Calculate(input);
}
public interface IDependency
{
decimal Run(IInput input);
}
public interface IInput : IEnumerable<int>
{
}
public class Foo
{
private readonly IDependency dependency;
public Foo(IDependency dependency)
{
this.dependency = dependency;
}
public void Calculate(IInput input)
{
this.dependency.Run(input);
}
}
}
#endregion
#region 175
public class Issue175
{
[Fact]
public void MoqErrors()
{
Mock<ExtendingTypeBase> fake = new Mock<ExtendingTypeBase>(42);
ExtendingTypeBase realFake = fake.Object;
// Make sure we're telling the truth that the value is mocked prior to our frobbing
Assert.Equal(42, realFake.ExtendedValue);
Frobber frobber = new Frobber(realFake);
Assert.True(frobber.WasExtendedType);
// BUGBUG: Seems to have been set back to the default for this type (Moq type is by default LOOSE)
Assert.Equal(42, frobber.ExtendedTypeValue); // "BUGBUG: Moq Lost the value and set back to default."
}
[Fact]
public void CSharpIsCoolWithIt()
{
ExtendingTypeBase real = new ExtendedConcreteType(42);
// Make sure we're telling the truth that the value is mocked prior to our frobbing
Assert.Equal(42, real.ExtendedValue);
Frobber frobber = new Frobber(real);
Assert.True(frobber.WasExtendedType);
Assert.Equal(42, frobber.ExtendedTypeValue);
}
[Fact]
public void MoqErrorsTwo()
{
var rootMock = new Mock<ExtendingTypeBase>(42);
ExtendingTypeBase realObject = rootMock.Object;
IExtendedType realObjectInterfaceType = rootMock.Object;
Assert.Equal(42, realObject.ExtendedValue);
// BUGBUG: Seems to have been set back to the default for this type (Moq type is by default LOOSE)
Assert.Equal(42, realObjectInterfaceType.ExtendedValue);
}
[Fact]
public void MoqErrorsThree()
{
var rootMock = new Mock<ExtendingTypeBase>(42);
ExtendingTypeBase realObject = rootMock.Object;
IExtendedType realObjectInterfaceType = rootMock.As<IExtendedType>().Object;
Assert.Equal(42, realObject.ExtendedValue);
// BUGBUG: Seems to have been set back to the default for this type (Moq type is by default LOOSE)
Assert.Equal(42, realObjectInterfaceType.ExtendedValue);
}
public class Frobber
{
List<ISharedType> internalStore;
public Frobber(params ISharedType[] inputs)
{
// Save the Internal Store
this.internalStore = new List<ISharedType>(inputs);
}
public bool WasExtendedType
{
get
{
return this.internalStore.First() is IExtendedType;
}
}
public int ExtendedTypeValue
{
get
{
return ((IExtendedType)this.internalStore.First()).ExtendedValue;
}
}
}
public class ExtendedConcreteType : ExtendingTypeBase
{
public ExtendedConcreteType(int extendedValue) :
base(extendedValue)
{
}
public override int CommonValue
{
get;
set;
}
}
public interface ISharedType
{
int CommonValue { get; set; }
}
public interface IExtendedType
{
int ExtendedValue { get; set; }
}
public abstract class ExtendingTypeBase : ISharedType, IExtendedType
{
public ExtendingTypeBase(int extendedValue)
{
this.ExtendedValue = extendedValue;
}
public abstract int CommonValue { get; set; }
public int ExtendedValue { get; set; }
}
}
#endregion
#region #176
public class Issue176
{
public interface ISomeInterface
{
TResult DoSomething<TResult>(int anInt);
int DoSomethingElse(int anInt);
}
[Fact]
public void when_a_mock_doesnt_match_generic_parameters_exception_indicates_generic_parameters()
{
var mock = new Mock<ISomeInterface>(MockBehavior.Strict);
mock.Setup(m => m.DoSomething<int>(0)).Returns(1);
try
{
mock.Object.DoSomething<string>(0);
}
catch (MockException exception)
{
var genericTypesRE = new Regex(@"\<.*?\>");
var match = genericTypesRE.Match(exception.Message);
Assert.True(match.Success);
Assert.Equal("<string>", match.Captures[0].Value, StringComparer.OrdinalIgnoreCase);
return;
}
Assert.True(false, "No exception was thrown when one should have been");
}
[Fact]
public void when_a_method_doesnt_have_generic_parameters_exception_doesnt_include_brackets()
{
var mock = new Mock<ISomeInterface>(MockBehavior.Strict);
mock.Setup(m => m.DoSomething<int>(0)).Returns(1);
try
{
mock.Object.DoSomethingElse(0);
}
catch (MockException exception)
{
var genericTypesRE = new Regex(@"\<.*?\>");
var match = genericTypesRE.Match(exception.Message);
Assert.False(match.Success);
return;
}
Assert.True(false, "No exception was thrown when one should have been");
}
}
#endregion // #176
#region #184
public class Issue184
{
public interface ISimpleInterface
{
void Method(Guid? g);
}
[Fact]
public void strict_mock_accepts_null_as_nullable_guid_value()
{
var mock = new Mock<ISimpleInterface>(MockBehavior.Strict);
mock.Setup(x => x.Method(It.IsAny<Guid?>()));
mock.Object.Method(null);
mock.Verify();
}
}
#endregion // #184
#region 193
public class Issue193
{
[Fact(Skip = "Fails due to a bug in Castle DynamicProxy. Try enabling this test once we reference Castle.Core > 4.4.0.")]
public void Can_mock_class_type_where_generic_type_parameter_name_diverges_from_name_in_interface()
{
var mock = new Mock<C>();
mock.As<I>();
_ = mock.Object;
}
public interface I
{
void Method<T>();
}
public class C : I
{
public void Method<U>()
{
}
}
}
#endregion
#region 224
public class Issue224
{
[Fact]
public void Delegate_invocation_in_Mock_Of_does_not_cause_infinite_loop()