@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
67 lines • 2.27 kB
JavaScript
;
var chai_1 = require('chai');
var sinon = require('sinon');
var Rx = require('../dist/cjs/Rx');
var Subscriber = Rx.Subscriber;
/** @test {Subscriber} */
describe('Subscriber', function () {
describe('when created through create()', function () {
it('should not call error() if next() handler throws an error', function () {
var errorSpy = sinon.spy();
var completeSpy = sinon.spy();
var subscriber = Subscriber.create(function (value) {
if (value === 2) {
throw 'error!';
}
}, errorSpy, completeSpy);
subscriber.next(1);
chai_1.expect(function () {
subscriber.next(2);
}).to.throw('error!');
chai_1.expect(errorSpy).not.have.been.called;
chai_1.expect(completeSpy).not.have.been.called;
});
});
it('should ignore next messages after unsubscription', function () {
var times = 0;
var sub = new Subscriber({
next: function () { times += 1; }
});
sub.next();
sub.next();
sub.unsubscribe();
sub.next();
chai_1.expect(times).to.equal(2);
});
it('should ignore error messages after unsubscription', function () {
var times = 0;
var errorCalled = false;
var sub = new Subscriber({
next: function () { times += 1; },
error: function () { errorCalled = true; }
});
sub.next();
sub.next();
sub.unsubscribe();
sub.next();
sub.error();
chai_1.expect(times).to.equal(2);
chai_1.expect(errorCalled).to.be.false;
});
it('should ignore complete messages after unsubscription', function () {
var times = 0;
var completeCalled = false;
var sub = new Subscriber({
next: function () { times += 1; },
complete: function () { completeCalled = true; }
});
sub.next();
sub.next();
sub.unsubscribe();
sub.next();
sub.complete();
chai_1.expect(times).to.equal(2);
chai_1.expect(completeCalled).to.be.false;
});
});
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