Issues with partial mock inside an another

[Bruno Silva]

Hi, 

I'm having problems using partial mock inside an another one, like in the example below:

public class ClassA

    {

        private ClassB mock = NSubstitute.Substitute.ForPartsOf<ClassB>();

        public ClassB PropertyA

        {

            get

            {

                return mock;

            }

        }

    }

public class ClassB

    {

        public virtual string PropertyB

        {

            get

            {

                throw new System.Exception("ERROR");

            }

            set

            {

                throw new System.Exception("ERROR");

            }

        }

    }

I wanna do something like below, but I got an exception. 

Is there something wrong that I'm doing?

ClasseA mock = NSubstitute.Substitute.ForPartsOf<ClasseA>();
mock.PropertyA.PropertyB.Returns("My own return");

[David Tchepak]

Hello,

With NSubstitute 3.x we need to make sure the base method (which throws) is not called before setting the returns:

            var mock = Substitute.ForPartsOf<ClassA>();

            mock.PropertyA.When(x => { var _ = x.PropertyB; }).DoNotCallBase();

            mock.PropertyA.PropertyB.Returns("My own return");

This roughly translates to "when x.PropertyB getter is called, do not call the base method".

In the next version of NSubstitute this will be simplified to something like:

            var mock = Substitute.ForPartsOf<ClassA>();

            mock.PropertyA.Configure().PropertyB.Returns("My own return");

This should be available some time this month.

Hope this helps.

Regards,

David

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