tsoid
Version:
Typed functional library to deal with async operations.
42 lines (41 loc) • 2.38 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 lift_1 = require("../lift");
describe('liftPN', () => {
const printAdd = (x, y, z, prefix) => `${prefix}${x + y + z}`;
it('Should resolve all promises and lift the function successfully', () => __awaiter(void 0, void 0, void 0, function* () {
const get1 = () => Promise.resolve(1);
const get2 = () => Promise.resolve(2);
const get3 = () => Promise.resolve(3);
const getPrefix = () => Promise.resolve('~> ');
const res = yield lift_1.liftPN(printAdd, get1, get2, get3, getPrefix);
expect(res).toBe('~> 6');
}));
it('Should propagate error if it occurs', () => __awaiter(void 0, void 0, void 0, function* () {
const get1 = () => Promise.resolve(1);
const get2 = () => Promise.resolve(2);
const get3 = () => Promise.reject(new Error('Could not get 3'));
const getPrefix = () => Promise.resolve('~> ');
const res = yield lift_1.liftPN(printAdd, get1, get2, get3, getPrefix);
expect(res).toBeInstanceOf(Error);
expect(res.message).toBe('Could not get 3');
}));
it('Should propagate error if some action return any error', () => __awaiter(void 0, void 0, void 0, function* () {
const get1 = () => Promise.resolve(1);
const get2 = () => Promise.resolve(new Error('Unexpected'));
const get3 = () => Promise.reject(new Error('Ooops'));
const getPrefix = () => Promise.resolve('~> ');
const res = yield lift_1.liftPN(printAdd, get1, get2, get3, getPrefix);
expect(res).toBeInstanceOf(Error);
expect(res.message).toBe('Unexpected');
}));
});