In the previous part of this series, we looked at how you can verify on an interface exactly what was called using Moq’s “Verify” syntax. In this entry we are going to take a look at setting up mocks with return values.
Setting Up Return Values
If you have ever done mocking before in the past then you probably know that the “classic” way of using mocks is to setup the mock before you call it. So in the last post when we had this line:
mockFileWriter.Verify(fw => fw.WriteLine("1001,10.53"), Times.Exactly(1));
which verifies, after the fact, what was called. In the “classic” way of doing things we could have written the test like this: (In Moq 2 the method was called “Expect” not “Setup”)
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