Mocking protected setters

Question

My entity setters are all private so I use constructors to initialize my entities.

Now I need to write unit tests and I need to instantiate multiple objects. The "issue" is that I don't want to create constructors just to instantiate my entities with some random data. Instead, I would like to leverage C# easy way to do this:

var user = new User() { Name = "John", LastName = "Smith" };

One option I considered is to make the setters internal and set InternalsVisibleTo. But I don't want other entities to set these properties.

I don't think I can do this with Moq, though. Is there any other way to go around this?

Danny · Accepted Answer · 2016-12-04 01:13:26Z

2

If your goal is just to be able to Mock the protected properties you should be able to mock them if you make the getter public by doing:

public int A { get; protected set; }

Another option is to extend the class your trying to test and the test version of the class can have the constructors or public methods to set the properties.

answered Dec 4, 2016 at 1:13

Danny

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1 Comment

zaitsman Over a year ago

+1 for the second option, just create a TestUser that derives from User and add public setters there that call protected setters.

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