Into the Great Unknown — Migrating from Mocha to Jest

A Tale of Adventure, Ambition and JavaScript Unit Tests Facebook’s unit test framework Jest has a lot going for it: it makes writing tests for React components a breeze with its snapshot testing feature, it runs tests very quickly through parallel test execution and it is very easy to set up. Inspired by Chris Pojer’s talk at JSConf.eu 2017, I decided to overcome my unease about relying on yet ano

[efcl]

MochaからJestへテストを移行した話。 codemodを使ったマイグレーション、js以外を読み込んでいた時のhook処理、ESLintの設定など。 また複雑なテストやchaiの拡張を使っている場合に自動で移行できないケースについて

[daikikohara]

ebayもJest。Jestめっちゃいいよね。