spec-js/operators/timeoutWith-spec.js
"use strict";
var Rx = require('../../dist/package/Rx');
var Observable = Rx.Observable;
/** @test {timeoutWith} */
describe('Observable.prototype.timeoutWith', function () {
asDiagram('timeoutWith(50)')('should timeout after a specified period then subscribe to the passed observable', function () {
var e1 = cold('-------a--b--|');
var e1subs = '^ ! ';
var e2 = cold('x-y-z-| ');
var e2subs = ' ^ ! ';
var expected = '-----x-y-z-| ';
var result = e1.timeoutWith(50, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout at a specified date then subscribe to the passed observable', function () {
var e1 = cold('-');
var e1subs = '^ ! ';
var e2 = cold('--x--y--z--|');
var e2subs = ' ^ !';
var expected = '------------x--y--z--|';
var result = e1.timeoutWith(new Date(rxTestScheduler.now() + 100), e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after a specified period between emit then subscribe ' +
'to the passed observable when source emits', function () {
var e1 = hot('---a---b------c---|');
var e1subs = '^ ! ';
var e2 = cold('-x-y-| ');
var e2subs = ' ^ ! ';
var expected = '---a---b----x-y-| ';
var result = e1.timeoutWith(40, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should allow unsubscribing explicitly and early', function () {
var e1 = hot('---a---b-----c----|');
var e1subs = '^ ! ';
var e2 = cold('-x---y| ');
var e2subs = ' ^ ! ';
var expected = '---a---b----x-- ';
var unsub = ' ! ';
var result = e1.timeoutWith(40, e2, rxTestScheduler);
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not break unsubscription chain when unsubscribed explicitly', function () {
var e1 = hot('---a---b-----c----|');
var e1subs = '^ ! ';
var e2 = cold('-x---y| ');
var e2subs = ' ^ ! ';
var expected = '---a---b----x-- ';
var unsub = ' ! ';
var result = e1
.mergeMap(function (x) { return Observable.of(x); })
.timeoutWith(40, e2, rxTestScheduler)
.mergeMap(function (x) { return Observable.of(x); });
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not subscribe to withObservable after explicit unsubscription', function () {
var e1 = cold('---a------b------');
var e1subs = '^ ! ';
var e2 = cold('i---j---|');
var e2subs = [];
var expected = '---a-- ';
var unsub = ' ! ';
var result = e1
.mergeMap(function (x) { return Observable.of(x); })
.timeoutWith(50, e2, rxTestScheduler)
.mergeMap(function (x) { return Observable.of(x); });
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after a specified period then subscribe to the ' +
'passed observable when source is empty', function () {
var e1 = hot('-------------| ');
var e1subs = '^ ! ';
var e2 = cold('----x----|');
var e2subs = ' ^ !';
var expected = '--------------x----|';
var result = e1.timeoutWith(100, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after a specified period between emit then never completes ' +
'if other source does not complete', function () {
var e1 = hot('--a--b--------c--d--|');
var e1subs = '^ ! ';
var e2 = cold('-');
var e2subs = ' ^ ';
var expected = '--a--b---- ';
var result = e1.timeoutWith(40, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after a specified period then subscribe to the ' +
'passed observable when source raises error after timeout', function () {
var e1 = hot('-------------# ');
var e1subs = '^ ! ';
var e2 = cold('----x----|');
var e2subs = ' ^ !';
var expected = '--------------x----|';
var result = e1.timeoutWith(100, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after a specified period between emit then never completes ' +
'if other source emits but not complete', function () {
var e1 = hot('-------------| ');
var e1subs = '^ ! ';
var e2 = cold('----x----');
var e2subs = ' ^ ';
var expected = '--------------x----';
var result = e1.timeoutWith(100, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not timeout if source completes within timeout period', function () {
var e1 = hot('-----|');
var e1subs = '^ !';
var e2 = cold('----x----');
var e2subs = [];
var expected = '-----|';
var result = e1.timeoutWith(100, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not timeout if source raises error within timeout period', function () {
var e1 = hot('-----#');
var e1subs = '^ !';
var e2 = cold('----x----|');
var e2subs = [];
var expected = '-----#';
var result = e1.timeoutWith(100, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not timeout if source emits within timeout period', function () {
var e1 = hot('--a--b--c--d--e--|');
var e1subs = '^ !';
var e2 = cold('----x----|');
var e2subs = [];
var expected = '--a--b--c--d--e--|';
var result = e1.timeoutWith(50, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout after specified Date then subscribe to the passed observable', function () {
var e1 = hot('--a--b--c--d--e--|');
var e1subs = '^ ! ';
var e2 = cold('--z--| ');
var e2subs = ' ^ ! ';
var expected = '--a--b---z--| ';
var result = e1.timeoutWith(new Date(rxTestScheduler.now() + 70), e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not timeout if source completes within specified Date', function () {
var e1 = hot('--a--b--c--d--e--|');
var e1subs = '^ !';
var e2 = cold('--x--|');
var e2subs = [];
var expected = '--a--b--c--d--e--|';
var timeoutValue = new Date(Date.now() + (expected.length + 2) * 10);
var result = e1.timeoutWith(timeoutValue, e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should not timeout if source raises error within specified Date', function () {
var e1 = hot('---a---#');
var e1subs = '^ !';
var e2 = cold('--x--|');
var e2subs = [];
var expected = '---a---#';
var result = e1.timeoutWith(new Date(Date.now() + 100), e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should timeout specified Date after specified Date then never completes ' +
'if other source does not complete', function () {
var e1 = hot('---a---b---c---d---e---|');
var e1subs = '^ ! ';
var e2 = cold('-');
var e2subs = ' ^ ';
var expected = '---a---b--- ';
var result = e1.timeoutWith(new Date(rxTestScheduler.now() + 100), e2, rxTestScheduler);
expectObservable(result).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
it('should unsubscribe from the scheduled timeout action when timeout is unsubscribed early', function () {
var e1 = hot('---a---b-----c----|');
var e1subs = '^ ! ';
var e2 = cold('-x---y| ');
var e2subs = ' ^ ! ';
var expected = '---a---b----x-- ';
var unsub = ' ! ';
var result = e1
.lift({
call: function (timeoutSubscriber, source) {
var action = timeoutSubscriber.action; // get a ref to the action here
timeoutSubscriber.add(function () {
if (!action.closed) {
throw new Error('TimeoutSubscriber scheduled action wasn\'t canceled');
}
});
return source.subscribe(timeoutSubscriber);
}
})
.timeoutWith(40, e2, rxTestScheduler);
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
});
});
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