/// /// import {Promise} from 'es6-promise'; import xs from '../../src/index'; import * as assert from 'assert'; describe('xs.fromPromise', () => { it('should convert a resolved promise to a stream', (done) => { const stream = xs.fromPromise(Promise.resolve('yes')); let nextSent = false; stream.addListener({ next: (x: string) => { assert.strictEqual(x, 'yes'); nextSent = true; }, error: (err: any) => done(err), complete: () => { assert.strictEqual(nextSent, true); done(); }, }); }); it('should convert a rejected promise to a stream', (done) => { const stream = xs.fromPromise(Promise.reject('no')); stream.addListener({ next: (x: string) => done('next should not be called'), error: (err: any) => { assert.strictEqual(err, 'no'); done(); }, complete: () => done('complete should not be called'), }); }); });