spec-js/observables/throw-spec.js

"use strict";
var chai_1 = require('chai');
var Rx = require('../../dist/package/Rx');
var ErrorObservable_1 = require('../../dist/package/observable/ErrorObservable');
var Observable = Rx.Observable;
/** @test {throw} */
describe('Observable.throw', function () {
    asDiagram('throw(e)')('should create a cold observable that just emits an error', function () {
        var expected = '#';
        var e1 = Observable.throw('error');
        expectObservable(e1).toBe(expected);
    });
    it('should emit one value', function (done) {
        var calls = 0;
        Observable.throw('bad').subscribe(function () {
            done(new Error('should not be called'));
        }, function (err) {
            chai_1.expect(++calls).to.equal(1);
            chai_1.expect(err).to.equal('bad');
            done();
        });
    });
    it('should create expose a error property', function () {
        var e = Observable.throw('error');
        chai_1.expect(e['error']).to.equal('error');
    });
    it('should create ErrorObservable via static create function', function () {
        var e = new ErrorObservable_1.ErrorObservable('error');
        var r = ErrorObservable_1.ErrorObservable.create('error');
        chai_1.expect(e).to.deep.equal(r);
    });
    it('should accept scheduler', function () {
        var e = Observable.throw('error', rxTestScheduler);
        expectObservable(e).toBe('#');
    });
});
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