ccxws
Version:
Websocket client for 37 cryptocurrency exchanges
47 lines • 1.59 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const sinon_1 = __importDefault(require("sinon"));
const Debounce_1 = require("../../src/flowcontrol/Debounce");
const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
describe("debounce", () => {
let fn;
let sut;
beforeEach(() => {
const debounceMs = 50;
fn = sinon_1.default.stub();
sut = (0, Debounce_1.debounce)(fn, debounceMs);
});
it("groups calls within timeout period", async () => {
sut(1);
await wait(10);
sut(2);
await wait(10);
sut(3);
await wait(100);
(0, chai_1.expect)(fn.callCount).to.equal(1);
(0, chai_1.expect)(fn.args[0][0]).to.deep.equal(3);
});
it("groups calls within debounce periods", async () => {
sut(1);
await wait(100);
sut(2);
await wait(100);
sut(3);
await wait(100);
(0, chai_1.expect)(fn.callCount).to.equal(3);
(0, chai_1.expect)(fn.args[0][0]).to.deep.equal(1);
(0, chai_1.expect)(fn.args[1][0]).to.deep.equal(2);
(0, chai_1.expect)(fn.args[2][0]).to.deep.equal(3);
});
it("can cancel pending executions", async () => {
sut(1);
sut.cancel();
await wait(100);
(0, chai_1.expect)(fn.callCount).to.equal(0);
});
});
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