chai expect async throw
const chai = require('chai')
const expect = chai.expect
chai.use(require('chai-as-promised'))
// Always succeeds
async function wins() {
return 'Winner'
}
// Always fails with an error
async function fails() {
throw new Error('Contrived Error')
}
it('wins() returns Winner', async () => {
expect(await wins()).to.equal('Winner')
})
it('fails() throws Error', async () => {
await expect(fails()).to.be.rejectedWith(Error)
})