public void given_the_requestObject_when_executePost_usecase_method_is_called_then_the_gateway_is_called_with_factory_output() // this should be 2 tests really, one to see if factory gets called, and the other to see if gateway is called, but due to using static factory method this becomes impossible to separate.
{
//arrange
PostInitialProcessDocumentRequest requestObject = MatProcessDataHelper.CreatePostInitialProcessDocumentRequestObject();
MatProcessData domainObject = ProcessDataFactory.CreateProcessDataObject(requestObject);
mockMatGateway.Setup(g => g.PostInitialProcessDocument(It.IsAny <MatProcessData>())).Returns((MatProcessData dobj) => dobj.Id);
//act
processDataUseCase.ExecutePost(requestObject);
//assert
mockMatGateway.Verify(g => g.PostInitialProcessDocument(It.Is <MatProcessData>(d =>
d.ProcessType.name == requestObject.processType.name && //checking whether properties that have to be transfered from request object to domain object are present
d.Id == requestObject.processRef &&
d.ProcessType.value == requestObject.processType.value &&
d.ProcessDataSchemaVersion == requestObject.processDataSchemaVersion &&
d.DateCompleted == DateTime.MinValue && //checking whether some of the properties that factory has to generate itself are present.
d.ProcessStage == "Not completed"
)), Times.Once);
// This checks whether the usecase calls the gateway with the output of the factory method.
}
