CODEWITHSUNDEEP
c#unit-testingmockingmoq
billboard
billboard

Reputation: 915

Moq: How to call method on a object with Mock.Of<>

In the below statements, I'm wanting to set the Navigation object's IsNew flag to false and then also, return false to a method IsCurrentStepUnlocked invoked on that object

However, on line 4 when i retrieve the value of IsNew, it is 'true'

I don't seem to get both, set the value on the object and also setup something to return a predetermined value.

1. var mockStatementInformation = Mock.Of<IStatementInformation>();
2. mockStatementInformation.Navigation = new Navigation { IsNew = false };
3. Mock.Get(mockStatementInformation).Setup(x => x.Navigation.IsCurrentStepUnlocked()).Returns(false);

4. var isNew = mockStatementInformation.Navigation.IsNew;

Navigation, is defined simply as shown below.

public class Navigation
{        
    public Navigation()
    {
       IsNew = true;
    }

    public bool IsNew { get; set; }
}

How do i set a nested property or call methods on it using Moq?

Upvotes: 1

Views: 6183

Answers (1)

Nkosi
Nkosi

Reputation: 247561

Reference: Moq Quickstart - linq-to-mocks

And assuming this example

public interface IStatementInformation {

    Navigation Navigation { get; set; }
}

public class Navigation {

    public Navigation() {
        IsNew = true;
    }

    public virtual bool IsNew { get; set; }

    public virtual bool IsCurrentStepUnlocked() {
        return true;
    }
}

Where both method and property return true by default.

When tested like this results are as expected

var mockStatementInformation = Mock.Of<IStatementInformation>(m =>
    m.Navigation == new Navigation { IsNew = false } &&
    m.Navigation.IsCurrentStepUnlocked() == false
);

Assert.IsFalse(mockStatementInformation.Navigation.IsCurrentStepUnlocked());
Assert.IsFalse(mockStatementInformation.Navigation.IsNew);

Upvotes: 1

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