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data-ice="title">spec-js/operators/combineAll-spec.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">&quot;use strict&quot;; var chai_1 = require(&apos;chai&apos;); var Rx = require(&apos;../../dist/cjs/Rx&apos;); var Observable = Rx.Observable; var queueScheduler = Rx.Scheduler.queue; /** @test {combineAll} */ describe(&apos;Observable.prototype.combineAll&apos;, function () { asDiagram(&apos;combineAll&apos;)(&apos;should combine events from two observables&apos;, function () { var x = cold(&apos;-a-----b---|&apos;); var y = cold(&apos;--1-2-| &apos;); var outer = hot(&apos;-x----y--------| &apos;, { x: x, y: y }); var expected = &apos;-----------------A-B--C---|&apos;; var result = outer.combineAll(function (a, b) { return String(a) + String(b); }); expectObservable(result).toBe(expected, { A: &apos;a1&apos;, B: &apos;a2&apos;, C: &apos;b2&apos; }); }); it(&apos;should work with two nevers&apos;, function () { var e1 = cold(&apos;-&apos;); var e1subs = &apos;^&apos;; var e2 = cold(&apos;-&apos;); var e2subs = &apos;^&apos;; var expected = &apos;-&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with never and empty&apos;, function () { var e1 = cold(&apos;-&apos;); var e1subs = &apos;^&apos;; var e2 = cold(&apos;|&apos;); var e2subs = &apos;(^!)&apos;; var expected = &apos;-&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with empty and never&apos;, function () { var e1 = cold(&apos;|&apos;); var e1subs = &apos;(^!)&apos;; var e2 = cold(&apos;-&apos;); var e2subs = &apos;^&apos;; var expected = &apos;-&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with empty and empty&apos;, function () { var e1 = cold(&apos;|&apos;); var e1subs = &apos;(^!)&apos;; var e2 = cold(&apos;|&apos;); var e2subs = &apos;(^!)&apos;; var expected = &apos;|&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with hot-empty and hot-single&apos;, function () { var e1 = hot(&apos;-a-^-|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;-b-^-c-|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;----|&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with hot-single and hot-empty&apos;, function () { var e1 = hot(&apos;-a-^-|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;-b-^-c-|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;----|&apos;; var result = Observable.of(e2, e1).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with hot-single and never&apos;, function () { var e1 = hot(&apos;-a-^-|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;------&apos;); //never var e2subs = &apos;^ &apos;; var expected = &apos;-&apos;; //never var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with never and hot-single&apos;, function () { var e1 = hot(&apos;--------&apos;); //never var e1subs = &apos;^ &apos;; var e2 = hot(&apos;-a-^-b-|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;-----&apos;; //never var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with hot and hot&apos;, function () { var e1 = hot(&apos;--a--^--b--c--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---e-^---f--g--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;----x-yz--|&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, { x: &apos;bf&apos;, y: &apos;cf&apos;, z: &apos;cg&apos; }); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should allow unsubscribing early and explicitly&apos;, function () { var e1 = hot(&apos;--a--^--b--c---d-| &apos;); var e1subs = &apos;^ ! &apos;; var e2 = hot(&apos;---e-^---f--g---h-|&apos;); var e2subs = &apos;^ ! &apos;; var expected = &apos;----x-yz-- &apos;; var unsub = &apos; ! &apos;; var values = { x: &apos;bf&apos;, y: &apos;cf&apos;, z: &apos;cg&apos; }; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result, unsub).toBe(expected, values); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should not break unsubscription chains when unsubscribed explicitly&apos;, function () { var e1 = hot(&apos;--a--^--b--c---d-| &apos;); var e1subs = &apos;^ ! &apos;; var e2 = hot(&apos;---e-^---f--g---h-|&apos;); var e2subs = &apos;^ ! &apos;; var expected = &apos;----x-yz-- &apos;; var unsub = &apos; ! &apos;; var values = { x: &apos;bf&apos;, y: &apos;cf&apos;, z: &apos;cg&apos; }; var result = Observable.of(e1, e2) .mergeMap(function (x) { return Observable.of(x); }) .combineAll(function (x, y) { return x + y; }) .mergeMap(function (x) { return Observable.of(x); }); expectObservable(result, unsub).toBe(expected, values); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should combine 3 observables&apos;, function () { var e1 = hot(&apos;--a--^--b--c--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---e-^---f--g--|&apos;); var e2subs = &apos;^ !&apos;; var e3 = hot(&apos;---h-^----i--j-|&apos;); var e3subs = &apos;^ !&apos;; var expected = &apos;-----wxyz-|&apos;; var result = Observable.of(e1, e2, e3).combineAll(function (x, y, z) { return x + y + z; }); expectObservable(result).toBe(expected, { w: &apos;bfi&apos;, x: &apos;cfi&apos;, y: &apos;cgi&apos;, z: &apos;cgj&apos; }); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); expectSubscriptions(e3.subscriptions).toBe(e3subs); }); it(&apos;should work with empty and error&apos;, function () { var e1 = hot(&apos;----------|&apos;); //empty var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;------#&apos;, undefined, &apos;shazbot!&apos;); //error var e2subs = &apos;^ !&apos;; var expected = &apos;------#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;shazbot!&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with error and empty&apos;, function () { var e1 = hot(&apos;--^---#&apos;, undefined, &apos;too bad, honk&apos;); //error var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;--^--------|&apos;); //empty var e2subs = &apos;^ !&apos;; var expected = &apos;----#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;too bad, honk&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with hot and throw&apos;, function () { var e1 = hot(&apos;-a-^--b--c--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^-#&apos;, undefined, &apos;bazinga&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;--#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;bazinga&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with throw and hot&apos;, function () { var e1 = hot(&apos;---^-#&apos;, undefined, &apos;bazinga&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;-a-^--b--c--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;--#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;bazinga&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with throw and throw&apos;, function () { var e1 = hot(&apos;---^----#&apos;, undefined, &apos;jenga&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^-#&apos;, undefined, &apos;bazinga&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;--#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;bazinga&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with error and throw&apos;, function () { var e1 = hot(&apos;-a-^--b--#&apos;, undefined, &apos;wokka wokka&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^-#&apos;, undefined, &apos;flurp&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;--#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;flurp&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with throw and error&apos;, function () { var e1 = hot(&apos;---^-#&apos;, undefined, &apos;flurp&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;-a-^--b--#&apos;, undefined, &apos;wokka wokka&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;--#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;flurp&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with never and throw&apos;, function () { var e1 = hot(&apos;---^-----------&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^-----#&apos;, undefined, &apos;wokka wokka&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;------#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;wokka wokka&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with throw and never&apos;, function () { var e1 = hot(&apos;---^----#&apos;, undefined, &apos;wokka wokka&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^-----------&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;-----#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;wokka wokka&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with some and throw&apos;, function () { var e1 = hot(&apos;---^----a---b--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^--#&apos;, undefined, &apos;wokka wokka&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;---#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, { a: 1, b: 2 }, &apos;wokka wokka&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should work with throw and some&apos;, function () { var e1 = hot(&apos;---^--#&apos;, undefined, &apos;wokka wokka&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;---^----a---b--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;---#&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;wokka wokka&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should handle throw after complete left&apos;, function () { var left = hot(&apos;--a--^--b---|&apos;); var leftSubs = &apos;^ !&apos;; var right = hot(&apos;-----^--------#&apos;, undefined, &apos;bad things&apos;); var rightSubs = &apos;^ !&apos;; var expected = &apos;---------#&apos;; var result = Observable.of(left, right).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;bad things&apos;); expectSubscriptions(left.subscriptions).toBe(leftSubs); expectSubscriptions(right.subscriptions).toBe(rightSubs); }); it(&apos;should handle throw after complete right&apos;, function () { var left = hot(&apos;-----^--------#&apos;, undefined, &apos;bad things&apos;); var leftSubs = &apos;^ !&apos;; var right = hot(&apos;--a--^--b---|&apos;); var rightSubs = &apos;^ !&apos;; var expected = &apos;---------#&apos;; var result = Observable.of(left, right).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;bad things&apos;); expectSubscriptions(left.subscriptions).toBe(leftSubs); expectSubscriptions(right.subscriptions).toBe(rightSubs); }); it(&apos;should handle interleaved with tail&apos;, function () { var e1 = hot(&apos;-a--^--b---c---|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;--d-^----e---f--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;-----x-y-z--|&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, { x: &apos;be&apos;, y: &apos;ce&apos;, z: &apos;cf&apos; }); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should handle two consecutive hot observables&apos;, function () { var e1 = hot(&apos;--a--^--b--c--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;-----^----------d--e--f--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;-----------x--y--z--|&apos;; var result = Observable.of(e1, e2).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, { x: &apos;cd&apos;, y: &apos;ce&apos;, z: &apos;cf&apos; }); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should handle two consecutive hot observables with error left&apos;, function () { var left = hot(&apos;--a--^--b--c--#&apos;, undefined, &apos;jenga&apos;); var leftSubs = &apos;^ !&apos;; var right = hot(&apos;-----^----------d--e--f--|&apos;); var rightSubs = &apos;^ !&apos;; var expected = &apos;---------#&apos;; var result = Observable.of(left, right).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, null, &apos;jenga&apos;); expectSubscriptions(left.subscriptions).toBe(leftSubs); expectSubscriptions(right.subscriptions).toBe(rightSubs); }); it(&apos;should handle two consecutive hot observables with error right&apos;, function () { var left = hot(&apos;--a--^--b--c--|&apos;); var leftSubs = &apos;^ !&apos;; var right = hot(&apos;-----^----------d--e--f--#&apos;, undefined, &apos;dun dun dun&apos;); var rightSubs = &apos;^ !&apos;; var expected = &apos;-----------x--y--z--#&apos;; var result = Observable.of(left, right).combineAll(function (x, y) { return x + y; }); expectObservable(result).toBe(expected, { x: &apos;cd&apos;, y: &apos;ce&apos;, z: &apos;cf&apos; }, &apos;dun dun dun&apos;); expectSubscriptions(left.subscriptions).toBe(leftSubs); expectSubscriptions(right.subscriptions).toBe(rightSubs); }); it(&apos;should handle selector throwing&apos;, function () { var e1 = hot(&apos;--a--^--b--|&apos;); var e1subs = &apos;^ !&apos;; var e2 = hot(&apos;--c--^--d--|&apos;); var e2subs = &apos;^ !&apos;; var expected = &apos;---#&apos;; var result = Observable.of(e1, e2).combineAll((function (x, y) { throw &apos;ha ha &apos; + x + &apos;, &apos; + y; })); expectObservable(result).toBe(expected, null, &apos;ha ha b, d&apos;); expectSubscriptions(e1.subscriptions).toBe(e1subs); expectSubscriptions(e2.subscriptions).toBe(e2subs); }); it(&apos;should combine two observables&apos;, function (done) { var a = Observable.of(1, 2, 3); var b = Observable.of(4, 5, 6, 7, 8); var expected = [[3, 4], [3, 5], [3, 6], [3, 7], [3, 8]]; Observable.of(a, b).combineAll().subscribe(function (vals) { chai_1.expect(vals).to.deep.equal(expected.shift()); }, null, function () { chai_1.expect(expected.length).to.equal(0); done(); }); }); it(&apos;should combine two immediately-scheduled observables&apos;, function (done) { var a = Observable.of(1, 2, 3, queueScheduler); var b = Observable.of(4, 5, 6, 7, 8, queueScheduler); var r = [[1, 4], [2, 4], [2, 5], [3, 5], [3, 6], [3, 7], [3, 8]]; Observable.of(a, b, queueScheduler).combineAll() .subscribe(function (vals) { chai_1.expect(vals).to.deep.equal(r.shift()); }, null, function () { chai_1.expect(r.length).to.equal(0); done(); }); }); }); //# sourceMappingURL=combineAll-spec.js.map</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.8)</span></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>