Unit testing with Jest: Redux + async actions + fetchLAST UPDATE: June 24, 2017. Original writing: May 19, 2016. I have been using Jest since its beginnings. I won’t lie, the path has been painful: Things like updating from version 0.x.0 to version 0.y.0 (specially to version 0.4.0) was particularly terrible for my tests. Furthermore, I struggled myself more than once with the way Jest works and I even bothered the community with questions like 1, 2
