Tutorial by Topics: mocking

@ngrx/Store is becoming more widely used in Angular 2 projects. As such, the Store is required to be injected into the constructor of any Component or Service that wishes to use it. Unit testing Store isn't as easy as testing a simple service though. As with many problems, there are a myriad of ...

mock.Setup(expression).Returns(value) //Whenever called the method in the expression will return value ParameterDetailsexpressionLambda expression that specifies the method invocation.

The Mockito docs have an excellent example of how to provide a sequence of answers for multiple calls to a mock. However, they don't cover how to do that for a method that returns void, other than noting that stubbing void methods require using the do family of methods. Remember, for non-void ...