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686 686​
687** Progress reporting 687​** Progress reporting
688 The fact that a processing visitor does a really simple task 688​ The fact that a processing visitor does a really simple task
689 (processes a single node) that is very easy to report progress 689​ (processes a single node) that is very easy to report progress
690 using progress bars in the layer box. We just need to use progress 690​ using progress bars in the layer box. We just need to use progress
691 pxoxy of the node we process (=KisNodeProgressProxy=). Our 691​ pxoxy of the node we process (=KisNodeProgressProxy=). Our
692 processings framework provides even easier way of doing this. You 692​ processings framework provides even easier way of doing this. You
693 just need to instantiate a =ProgressHelper= object and ask it to 693​ just need to instantiate a =ProgressHelper= object and ask it to
694 greate a =KoUpdater= object for you. And all is done. You can see 694​ create a =KoUpdater= object for you. And all is done. You can see
695 an example in =KisTransformProcessingVisitor= class. 695​ an example in =KisTransformProcessingVisitor= class.
696 696​
697** Testing 697​** Testing
698 Usage of a common framework makes testing really simple. There is a 698​ Usage of a common framework makes testing really simple. There is a
699 separate unittest in image's tests folder: =KisProcessingsTest=. To 699​ separate unittest in image's tests folder: =KisProcessingsTest=. To
700 test a processing you need to write just a couple of 700​ test a processing you need to write just a couple of
701 lines. Everything is done by =BaseProcessingTest= helper 701​ lines. Everything is done by =BaseProcessingTest= helper
702 class. This class will run your processing and compare results 702​ class. This class will run your processing and compare results
703 against reference png files those are stored in data folder. If 703​ against reference png files those are stored in data folder. If
704 there are some problems found, it'll dump result files to the 704​ there are some problems found, it'll dump result files to the
705 current directory. 705​ current directory.