Question 1

How to mock a class with Delphi Mocks without running into nil issues?

Accepted Answer

Use IsNotNil instead of IsAny when matching class parameters, as shown in the README example. This avoids conflicts where nil values cause unexpected behavior in expectation setup.

Question 2

Delphi Mocks vs DUnit's built-in mocking features?

Accepted Answer

Delphi Mocks offers a more advanced and fluent API with rich parameter matching, while DUnit provides basic stubs. It's better for complex test scenarios but requires learning its specific syntax.

Question 3

Can I use Delphi Mocks with Delphi 11 Alexandria?

Accepted Answer

Yes, it's compatible with Delphi XE2 and later, including Alexandria, as it relies on RTTI features present in these versions. Ensure your project settings enable RTTI.

Question 4

What are the limitations for mocking static methods in Delphi Mocks?

Accepted Answer

Delphi Mocks primarily relies on RTTI, which may not support mocking static methods or certain class types effectively. You might need workarounds or alternative testing approaches for such cases.

Question 5

How to set up return values for mocked functions in Delphi Mocks?

Accepted Answer

Use the WillReturn method in the fluent chain, e.g., mock.Setup.WillReturn(3).When.SimpleFunction(It0.IsEqualTo('hello')). This allows you to define specific return values based on parameter matches.

Question 6

Is Delphi Mocks suitable for large enterprise projects?

Accepted Answer

It can be, due to its robust mocking capabilities, but the learning curve for class matching and potential performance overhead from RTTI might require careful test design and team training.

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