> Le 15 nov. 2022 à 01:08, Paolo Prete <paolopr...@gmail.com> a écrit : > > Hello, > > I need to execute the following automated test: > given a .ly file, I would like to check if the produced output is what I > expect it to be. > Then I was thinking about a way to compare the output (doesn't matter if > PDF or SVG) with an expected image of the same file type, and check if the > two images are the same. > There are several ways to do that: for example a Python script with a > graphic library such as Pillow, which compares two images. > However, I wonder if this test task is already done somewhere in LP with > some embedded or suggested tool or procedure. Any hint?
The regression testing infrastructure uses the compare command from ImageMagick. See scripts/build/output-distance.py. Best, Jean
