https://nanx.me/tags/visual-regression-testing/ Recent content in visual regression testing on Nan Xiao | 肖楠 Hugo -- gohugo.io en Wed, 04 Dec 2024 21:53:00 +0000 https://nanx.me/blog/post/tinyvdiff/ Wed, 04 Dec 2024 21:53:00 +0000 https://nanx.me/blog/post/tinyvdiff/ Hummingbirds. Photo by Zdeněk Macháček. I’m delighted to announce my second Python package, tinyvdiff, now available on PyPI. It offers a lightweight pytest plugin for detecting appearance changes in visual content, such as figures or documents. You can install it with: pip install tinyvdiff Setup and usage Here is an example test for matplotlib graphics, from the tinyvdiff demo project: import pytest from tinyvdiff_demo.matplotlib import generate_plot @pytest.fixture def temp_pdf(tmp_path): """Fixture to create a temporary PDF file path""" return tmp_path / "test.