Verify that an exception is thrown using Mocha / Chai and async/await

Question

I\'m struggling to work out the best way to verify that a promise is rejected in a Mocha test while using async/await.

Here\'s an example that works, but I dislike t

Answer 1

you can write a function to swap resolve & reject handler, and do anything normally

const promise = new Promise((resolve, rejects) => {
    YourPromise.then(rejects, resolve);
})
const res = await promise;
res.should.be.an("error");