redioactive
Version:
Reactive streams for chaining overlapping promises.
92 lines (91 loc) • 4 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('Zipping two streams', () => {
test('Zip two streams of equal length is as expected', async () => {
const numbers = (0, redio_1.default)([1, 2, 3]);
const words = (0, redio_1.default)(['one', 'two', 'three']);
await expect(numbers.zip(words).toArray()).resolves.toEqual([
[1, 'one'],
[2, 'two'],
[3, 'three']
]);
});
test('Zip two empty streams', async () => {
const empty1 = (0, redio_1.default)([]);
const empty2 = (0, redio_1.default)([]);
await expect(empty1.zip(empty2).toArray()).resolves.toEqual([]);
});
test('Zip streams of different lengths - shorter first', async () => {
const numbers = (0, redio_1.default)([1, 2]);
const words = (0, redio_1.default)(['one', 'two', 'three']);
await expect(numbers.zip(words).toArray()).resolves.toEqual([
[1, 'one'],
[2, 'two']
]);
});
test('Zip streams of different lengths - shorter second', async () => {
const numbers = (0, redio_1.default)([1, 2, 3]);
const words = (0, redio_1.default)(['one', 'two']);
await expect(numbers.zip(words).toArray()).resolves.toEqual([
[1, 'one'],
[2, 'two']
]);
});
test('Zip streams with one empty - empty first', async () => {
const numbers = (0, redio_1.default)([]);
const words = (0, redio_1.default)(['one', 'two', 'three']);
await expect(numbers.zip(words).toArray()).resolves.toEqual([]);
});
test('Zip streams with one empty - empty second', async () => {
const numbers = (0, redio_1.default)([1, 2, 3]);
const words = (0, redio_1.default)([]);
await expect(numbers.zip(words).toArray()).resolves.toEqual([]);
});
test('Zip streams with big difference in lengths', async () => {
const numbers = (0, redio_1.default)([1, 2, 3, 4, 5, 6, 7, 8, 8, 10, 11, 12, 13, 14, 15]);
const words = (0, redio_1.default)(['one', 'two', 'three']);
await expect(numbers.zip(words).toArray()).resolves.toEqual([
[1, 'one'],
[2, 'two'],
[3, 'three']
]);
});
test('Zip with different speed streams', async () => {
const wait = (t) => new Promise((r) => setTimeout(() => r(t), t * 5));
function addWait(n) {
let count = 0;
return async () => (count < n ? await wait(++count) : redio_1.end);
}
await expect((0, redio_1.default)(addWait(4))
.zip((0, redio_1.default)(['one', 'two', 'three']))
.toArray()).resolves.toEqual([
[1, 'one'],
[2, 'two'],
[3, 'three']
]);
});
});