Object not initialised in `describe`, but initialised in `it`
I’m coding a test with Jest and I have a long input at the bottom of my test file.
jest toEqual() ignores keys with undefined properties
I have this test:
jest toEqual() ignores keys with undefined properties
I have this test:
TypeError: Cannot read properties of null (reading ‘map’);
function stableSort(array, comparator) { const stabilizedThis = array.map((el, index) => [el, index]); stabilizedThis.sort((a, b) => { const order = comparator(a[0], b[0]); if (order !== 0) { return order; } return a[1] – b[1]; }); return stabilizedThis.map((el) => el[0]); } in need to test this by using jest explain me give me the test case javascript […]
JS – required lib returns a constructor – how to test?
There is this NPM lib: https://www.npmjs.com/package/clamscan
Create a file/folder during a test with Jest always fails
I have a file watcher that triggers a callback every time a file in a specific path is update.
I want to write a test to make sure this happens, so my approach is the following:
Need to know jest dom setup in plain vanilla javascript
i created an todo app in vanilla javascript now i needed to test that using jest but the thing jest-environment is not working on that. i need proper procedure to setup get done
avoid jest running in watch mode
when i use npm run test it run the jest in mode but i only want to run it once, is there a way to avoid the jest running in watch mode by default
Mock module exporting constant
I have the following foo and bar modules:
Assigning value to document.location.href throws Navigation error
I have code snippet where a path is being assigned in document.location.href