redioactive
Version:
Reactive streams for chaining overlapping promises.
74 lines (73 loc) • 2.83 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const redio_1 = __importStar(require("../redio"));
describe('Debounce vales', () => {
test('Sends the last value', async () => {
await expect((0, redio_1.default)([1, 2, 3]).debounce(10).toArray()).resolves.toEqual([3]);
});
test('Works with an empty stream', async () => {
await expect((0, redio_1.default)([]).debounce(10).toArray()).resolves.toEqual([]);
});
const genny = () => {
let counter = 0;
return () => new Promise((resolve) => {
if (counter++ >= 3) {
resolve(redio_1.end);
}
else {
setTimeout(() => {
resolve(counter);
}, counter * 10);
}
});
};
test('Generated stream with delay', async () => {
await expect((0, redio_1.default)(genny()).debounce(30).toArray()).resolves.toEqual([2, 3]);
});
test('Debounce with negative value', async () => {
await expect((0, redio_1.default)([1, 2, 3]).debounce(-10).toArray()).resolves.toEqual([3]);
});
let pusher = () => {
/* void */
};
const funnel = () => new Promise((resolve) => {
pusher = resolve;
});
const wait = (t) => new Promise((resolve) => {
setTimeout(resolve, t);
});
test('Funnel-created debouncable stream', async () => {
const stream = (0, redio_1.default)(funnel).debounce(75).toArray();
pusher(1);
await wait(10);
pusher(2);
await wait(100);
pusher(3);
await wait(50);
pusher(redio_1.end);
await expect(stream).resolves.toEqual([2, 3]);
});
});