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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| import * as _ from 'lodash'; | ||
|
|
||
| function stringify(x: any): string { | ||
| return JSON.stringify(x, function (key: string, value: any) { | ||
| if (Array.isArray(value)) { | ||
| return '[' + value | ||
| .map(function (i) { | ||
| return '\n\t' + stringify(i); | ||
| }) + '\n]'; | ||
| } | ||
| return value; | ||
| }) | ||
| .replace(/\\"/g, '"') | ||
| .replace(/\\t/g, '\t') | ||
| .replace(/\\n/g, '\n'); | ||
| } | ||
|
|
||
| function deleteErrorNotificationStack(marble: any) { | ||
| const { notification } = marble; | ||
| if (notification) { | ||
| const { kind, error } = notification; | ||
| if (kind === 'E' && error instanceof Error) { | ||
| notification.error = { name: error.name, message: error.message }; | ||
| } | ||
| } | ||
| return marble; | ||
| } | ||
|
|
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| export function observableMatcher(actual: any, expected: any) { | ||
| if (Array.isArray(actual) && Array.isArray(expected)) { | ||
| actual = actual.map(deleteErrorNotificationStack); | ||
| expected = expected.map(deleteErrorNotificationStack); | ||
| const passed = _.isEqual(actual, expected); | ||
| if (passed) { | ||
| return; | ||
| } | ||
|
|
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| let message = '\nExpected \n'; | ||
| actual.forEach((x: any) => message += `\t${stringify(x)}\n`); | ||
|
|
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| message += '\t\nto deep equal \n'; | ||
| expected.forEach((x: any) => message += `\t${stringify(x)}\n`); | ||
|
|
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| chai.assert(passed, message); | ||
| } else { | ||
| chai.assert.deepEqual(actual, expected); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| import { scheduled, of } from 'rxjs'; | ||
| import { TestScheduler } from 'rxjs/testing'; | ||
| import { lowerCaseO } from '../helpers/test-helper'; | ||
| import { observableMatcher } from '../helpers/observableMatcher'; | ||
| import { expect } from 'chai'; | ||
|
|
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| describe('scheduled', () => { | ||
| let testScheduler: TestScheduler; | ||
|
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| beforeEach(() => { | ||
| testScheduler = new TestScheduler(observableMatcher); | ||
| }); | ||
|
|
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| it('should schedule a sync observable', () => { | ||
| const input = of('a', 'b', 'c'); | ||
| testScheduler.run(({ expectObservable }) => { | ||
| expectObservable(scheduled(input, testScheduler)).toBe('(abc|)'); | ||
| }); | ||
| }); | ||
|
|
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| it('should schedule an array', () => { | ||
| const input = ['a', 'b', 'c']; | ||
| testScheduler.run(({ expectObservable }) => { | ||
| expectObservable(scheduled(input, testScheduler)).toBe('(abc|)'); | ||
| }); | ||
| }); | ||
|
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| it('should schedule an iterable', () => { | ||
| const input = 'abc'; // strings are iterables | ||
| testScheduler.run(({ expectObservable }) => { | ||
| expectObservable(scheduled(input, testScheduler)).toBe('(abc|)'); | ||
| }); | ||
| }); | ||
|
|
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| it('should schedule an observable-like', () => { | ||
| const input = lowerCaseO('a', 'b', 'c'); // strings are iterables | ||
| testScheduler.run(({ expectObservable }) => { | ||
| expectObservable(scheduled(input, testScheduler)).toBe('(abc|)'); | ||
| }); | ||
| }); | ||
|
|
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| it('should schedule a promise', done => { | ||
| const results: any[] = []; | ||
| const input = Promise.resolve('x'); // strings are iterables | ||
| scheduled(input, testScheduler).subscribe({ | ||
| next(value) { results.push(value); }, | ||
| complete() { results.push('done'); }, | ||
| }); | ||
|
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| expect(results).to.deep.equal([]); | ||
|
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| // Promises force async, so we can't schedule synchronously, no matter what. | ||
| testScheduler.flush(); | ||
| expect(results).to.deep.equal([]); | ||
|
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| Promise.resolve().then(() => { | ||
| // NOW it should work, as the other promise should have resolved. | ||
| testScheduler.flush(); | ||
| expect(results).to.deep.equal(['x', 'done']); | ||
| done(); | ||
| }); | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,26 +1,12 @@ | ||
| import { Observable } from '../Observable'; | ||
| import { SchedulerLike } from '../types'; | ||
| import { Subscription } from '../Subscription'; | ||
| import { subscribeToArray } from '../util/subscribeToArray'; | ||
| import { scheduleArray } from '../scheduled/scheduleArray'; | ||
|
|
||
| export function fromArray<T>(input: ArrayLike<T>, scheduler?: SchedulerLike) { | ||
| if (!scheduler) { | ||
| return new Observable<T>(subscribeToArray(input)); | ||
| } else { | ||
| return new Observable<T>(subscriber => { | ||
| const sub = new Subscription(); | ||
| let i = 0; | ||
| sub.add(scheduler.schedule(function () { | ||
| if (i === input.length) { | ||
| subscriber.complete(); | ||
| return; | ||
| } | ||
| subscriber.next(input[i++]); | ||
| if (!subscriber.closed) { | ||
| sub.add(this.schedule()); | ||
| } | ||
| })); | ||
| return sub; | ||
| }); | ||
| return scheduleArray(input, scheduler); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,50 +1,15 @@ | ||
| import { Observable } from '../Observable'; | ||
| import { SchedulerLike } from '../types'; | ||
| import { Subscription } from '../Subscription'; | ||
| import { iterator as Symbol_iterator } from '../symbol/iterator'; | ||
| import { subscribeToIterable } from '../util/subscribeToIterable'; | ||
| import { scheduleIterable } from '../scheduled/scheduleIterable'; | ||
|
|
||
| export function fromIterable<T>(input: Iterable<T>, scheduler: SchedulerLike) { | ||
| export function fromIterable<T>(input: Iterable<T>, scheduler?: SchedulerLike) { | ||
| if (!input) { | ||
| throw new Error('Iterable cannot be null'); | ||
| } | ||
| if (!scheduler) { | ||
| return new Observable<T>(subscribeToIterable(input)); | ||
| } else { | ||
| return new Observable<T>(subscriber => { | ||
| const sub = new Subscription(); | ||
| let iterator: Iterator<T>; | ||
| sub.add(() => { | ||
| // Finalize generators | ||
| if (iterator && typeof iterator.return === 'function') { | ||
| iterator.return(); | ||
| } | ||
| }); | ||
| sub.add(scheduler.schedule(() => { | ||
| iterator = input[Symbol_iterator](); | ||
| sub.add(scheduler.schedule(function () { | ||
| if (subscriber.closed) { | ||
| return; | ||
| } | ||
| let value: T; | ||
| let done: boolean; | ||
| try { | ||
| const result = iterator.next(); | ||
| value = result.value; | ||
| done = result.done; | ||
| } catch (err) { | ||
| subscriber.error(err); | ||
| return; | ||
| } | ||
| if (done) { | ||
| subscriber.complete(); | ||
| } else { | ||
| subscriber.next(value); | ||
| this.schedule(); | ||
| } | ||
| })); | ||
| })); | ||
| return sub; | ||
| }); | ||
| return scheduleIterable(input, scheduler); | ||
| } | ||
| } |
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