testing with Jest
To start:
- Clone repo
- Run
npm install
- Run
npm run test
visist https://zerotomastery.io/ for more
ZTM tutorial - testing with Jest
testing with Jest
To start:
npm install
npm run test
visist https://zerotomastery.io/ for more
I've been doing exercises and as usual there was a snag preventing me from progress. Jest didn't want to run with node-fetch import since as far as I understood it moved to ESM. It constantly threw an error on "import". Presumably it happened as a result of installing the latest node-fetch version which is 3.0.0
Any way. if you are wondering how I managed to dealt with the error, here is my package.json file. See the snapshot
Basically you need to switch type to "module" and
"test": "jest --watchAll"
change to
"test": "node --experimental-vm-modules node_modules/jest/bin/jest.js --watchAll"
Then go over all imports and export and change them to ECMA standard. For example, comment out the line
//module.exports = googleSearch;
and export the function like this
export const googleSearch = (searchInput, db) =>...
then open your script.test.js, and change the top line to:
//const googleSearch = require("./script");
import { googleSearch } from "./script";
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