mock: add OnF method #1814
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mock: add OnF method #1814
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Summary
Adds OnF method to mock.Mock and mock.Call to allow defining mock expectations using function references instead of string method names.
Changes
Motivation
Currently, mock expectations are defined using string literals for method names, which can be error-prone and break easily during refactoring.
OnF allows developers to use actual function references, improving type safety and maintainability.
Related issues
#425