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XUnit - Testing event handlers

Testing event handlers in XUnit can be done through the Assert.Raises method. This method expect 3 parameters:

  • An action of EventHandler<T> to attach a handler
  • An action of EventHandler<T> to detach the handler
  • An action containing the code that should trigger the event

This was not immediately clear to me so here is a (simple) example:

And here is the interface of the IUnitOfWork that is tested above:

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