The @testing-library/jest-dom library provides a set of custom jest matchers that you can use to extend jest. These will make your tests more declarative, ... ... <看更多>

若用Jest 來測試直接操作DOM 的程式碼，最大好處是不用安裝額外的套件就可以測試，因為Jest 附帶了jsdom，它是用來模擬DOM 環境，讓你很像在瀏覽器上 ... ... <看更多>

Thanks. My Code. myApp.test.js require("@testing-library/jest-dom"); ... ... <看更多>

This video explains a bit how jest works when you want to test parts of your web application that interacts with the DOM and browser api's. ... <看更多>

When I test this, the dom does not update and my jest tests do not pass. <table class=\"slds-table slds-table_cell-buffer ... ... <看更多>

The @testing-library/jest-dom library provides a set of custom jest matchers that you can use to extend jest. These will make your tests more declarative, clear ... ... <看更多>