generated at
Jestのmock
https://t-yng.jp/post/jest-typescript-types
https://jestjs.io/ja/docs/mock-functions

Mock ObjectとTest Stubを混在している



Jestでmoduleのstubを作る


Jestのauto mock
読み込むmoduleが全てmock化される
https://qiita.com/kojiro_ueda/items/c60d201671d001333ee9
Jestのmanual mock
__mocks__というディレクトリ
https://jestjs.io/ja/docs/manual-mocks
https://qiita.com/maaaashin324/items/67ad40f2a3f24371d5d4
https://klzns.github.io/how-to-use-type-script-and-jest-mocks


Date系のmock
fake-timers
https://github.com/sinonjs/fake-timers


https://zenn.dev/takepepe/articles/readable-jest-mocking
https://jestjs.io/ja/docs/bypassing-module-mocks