angular-cn/modules/angular2/test/facade/async_spec.js

99 lines
3.2 KiB
JavaScript

import {describe, it, expect, beforeEach, ddescribe, iit, xit, el,
SpyObject, AsyncTestCompleter, inject, IS_DARTIUM} from 'angular2/test_lib';
import {ObservableWrapper, Observable, ObservableController, PromiseWrapper} from 'angular2/src/facade/async';
export function main() {
describe('Observable', () => {
var obs:Observable;
var controller:ObservableController;
beforeEach(() => {
controller = ObservableWrapper.createController();
obs = ObservableWrapper.createObservable(controller);
});
it("should call the next callback", inject([AsyncTestCompleter], (async) => {
ObservableWrapper.subscribe(obs, (value) => {
expect(value).toEqual(99);
async.done();
});
ObservableWrapper.callNext(controller, 99);
}));
it("should call the throw callback", inject([AsyncTestCompleter], (async) => {
ObservableWrapper.subscribe(obs, (_) => {}, (error) => {
expect(error).toEqual("Boom");
async.done();
});
ObservableWrapper.callThrow(controller, "Boom");
}));
it("should call the return callback", inject([AsyncTestCompleter], (async) => {
ObservableWrapper.subscribe(obs, (_) => {}, (_) => {}, () => {
async.done();
});
ObservableWrapper.callReturn(controller);
}));
it("should subscribe to the wrapper asynchronously", () => {
var called = false;
ObservableWrapper.subscribe(obs, (value) => {
called = true;
});
ObservableWrapper.callNext(controller, 99);
expect(called).toBe(false);
});
if (!IS_DARTIUM) {
// See here: https://github.com/jhusain/observable-spec
describe("Generator", () => {
var generator;
beforeEach(() => {
generator = new SpyObject();
generator.spy("next");
generator.spy("throw");
generator.spy("return");
});
it("should call next on the given generator", inject([AsyncTestCompleter], (async) => {
generator.spy("next").andCallFake((value) => {
expect(value).toEqual(99);
async.done();
});
ObservableWrapper.subscribe(obs, generator);
ObservableWrapper.callNext(controller, 99);
}));
it("should call throw on the given generator", inject([AsyncTestCompleter], (async) => {
generator.spy("throw").andCallFake((error) => {
expect(error).toEqual("Boom");
async.done();
});
ObservableWrapper.subscribe(obs, generator);
ObservableWrapper.callThrow(controller, "Boom");
}));
it("should call return on the given generator", inject([AsyncTestCompleter], (async) => {
generator.spy("return").andCallFake(() => {
async.done();
});
ObservableWrapper.subscribe(obs, generator);
ObservableWrapper.callReturn(controller);
}));
});
}
//TODO: vsavkin: add tests cases
//should call dispose on the subscription if generator returns {done:true}
//should call dispose on the subscription on throw
//should call dispose on the subscription on return
});
}
//make sure rx observables are async