A mocking framework has many benefits. It can streamline and improve testing and help you create faster, more reliable tests. You can use it to test classes in isolation, which is important for unit testing. Building your mocking framework with the stub API can also be beneficial because stub objects are generated at runtime. Because these objects are generated dynamically, you don’t have to package and deploy test classes.
- Define the behavior of the stub class by implementing the System.StubProvider interface.
- Instantiate a stub object by using the System.Test.createStub() method.
- Invoke the relevant method of the stub object from within a test class.