tsoid
Version:
Typed functional library to deal with async operations.
28 lines (27 loc) • 1.61 kB
JavaScript
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const index_1 = require("../../index");
describe('traverse', () => {
const list = [1, 2, 3, 4, 5];
const decideIfIsEven = jest.fn((n) => Promise.resolve(n % 2 === 0));
it('Should apply the action to all traversable items', () => __awaiter(void 0, void 0, void 0, function* () {
const res = yield index_1.traverse(list, decideIfIsEven);
expect(res).toStrictEqual([false, true, false, true, false]);
expect(decideIfIsEven).toBeCalledTimes(list.length);
}));
it('Should propagate the error', () => __awaiter(void 0, void 0, void 0, function* () {
const fn = (n) => (n % 2 === 0 ? Promise.reject(new Error('Is EVEN!')) : Promise.resolve(false));
const res = yield index_1.traverse(list, fn);
expect(res).toBeInstanceOf(Error);
expect(res.message).toBe('Is EVEN!');
}));
});