public void TestsDisposesAllTransformersWhenShifting()
{
Mock <IDisposableTransformer <SourceModel, IntermediateModel> > firstTransformerMock = new Mock <IDisposableTransformer <SourceModel, IntermediateModel> >();
Mock <IDisposableTransformer <IntermediateModel, DestinationModel> > secondTransformerMock = new Mock <IDisposableTransformer <IntermediateModel, DestinationModel> >();
Mock <IDisposableTransformer <DestinationModel, IntermediateModel> > thirdTransformerMock = new Mock <IDisposableTransformer <DestinationModel, IntermediateModel> >();
Mock <IDisposableTransformer <IntermediateModel, SourceModel> > fourthTransformerMock = new Mock <IDisposableTransformer <IntermediateModel, SourceModel> >();
TransformerPipeline <SourceModel, IntermediateModel, DestinationModel> transformer =
new TransformerPipeline <SourceModel, IntermediateModel, DestinationModel>(
firstTransformerMock.Object,
secondTransformerMock.Object
);
TransformerPipeline <DestinationModel, IntermediateModel, DestinationModel> newTransformer =
transformer
.PipeShift(fourthTransformerMock.Object)
.PipeShift(thirdTransformerMock.Object);
newTransformer.Dispose();
firstTransformerMock.Verify(_ => _.Dispose(), Times.Once);
secondTransformerMock.Verify(_ => _.Dispose(), Times.Once);
thirdTransformerMock.Verify(_ => _.Dispose(), Times.Once);
fourthTransformerMock.Verify(_ => _.Dispose(), Times.Once);
}
public void TestCallsIntermediateTransformerWhenShifting()
{
SourceModel sourceModel = new SourceModel();
IntermediateModel intermediateModel = new IntermediateModel();
DestinationModel destinationModel = new DestinationModel();
Mock <ITransformer <SourceModel, IntermediateModel> > firstTransformerMock = new Mock <ITransformer <SourceModel, IntermediateModel> >();
Mock <ITransformer <IntermediateModel, DestinationModel> > secondTransformerMock = new Mock <ITransformer <IntermediateModel, DestinationModel> >();
Mock <ITransformer <DestinationModel, IntermediateModel> > thirdTransformerMock = new Mock <ITransformer <DestinationModel, IntermediateModel> >();
Mock <ITransformer <IntermediateModel, SourceModel> > fourthTransformerMock = new Mock <ITransformer <IntermediateModel, SourceModel> >();
firstTransformerMock.Setup(_ => _.Transform(sourceModel)).Returns(intermediateModel).Verifiable();
secondTransformerMock.Setup(_ => _.Transform(intermediateModel)).Returns(destinationModel).Verifiable();
thirdTransformerMock.Setup(_ => _.Transform(destinationModel)).Returns(intermediateModel).Verifiable();
fourthTransformerMock.Setup(_ => _.Transform(intermediateModel)).Returns(sourceModel).Verifiable();
TransformerPipeline <SourceModel, IntermediateModel, DestinationModel> transformer =
new TransformerPipeline <SourceModel, IntermediateModel, DestinationModel>(
firstTransformerMock.Object,
secondTransformerMock.Object
);
ITransformer <DestinationModel, DestinationModel> newTransformer =
transformer
.PipeShift(fourthTransformerMock.Object)
.PipeShift(thirdTransformerMock.Object);
newTransformer.Transform(destinationModel);
firstTransformerMock.Verify(_ => _.Transform(sourceModel), Times.Once);
secondTransformerMock.Verify(_ => _.Transform(intermediateModel), Times.Once);
thirdTransformerMock.Verify(_ => _.Transform(destinationModel), Times.Once);
fourthTransformerMock.Verify(_ => _.Transform(intermediateModel), Times.Once);
}
