@academyjs/rover/dist/src/excercises/node/factorial.js

Rover allows you to learn programming interactively.

"use strict";
/**
 * Copyright (c) AcademyJS and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
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());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const import_locals_1 = __importDefault(require("import-locals"));
const assertions_1 = require("../../assertions");
suite({
    title: "Calculate the factorial of a given integer.",
    handle: "node/factorial",
    description: `Factorial of a non-negative integer, is multiplication of all integers smaller than or equal to n.
For example factorial of 6 is 6 * 5 * 4 * 3 * 2 * 1 which is 720.

Factorial can be calculated iteratively or recursively. You can solve using any approach.`,
    tags: ["node", "javascript", "js", "factorial"],
});
test("Write the program in 'factorial.js'", "This is a huge description.", () => __awaiter(void 0, void 0, void 0, function* () {
    yield (0, assertions_1.fileExists)("factorial.js", "Cannot find file `factorial.js`");
}));
let factorial = null;
let temporary = null;
beforeEach(() => {
    import_locals_1.default.export(process.cwd() + "/factorial.js", "factorial");
    factorial = require(process.cwd() + "/factorial.js").factorial;
    temporary = process.stdout.write;
});
afterEach(() => {
    import_locals_1.default.unexport(process.cwd() + "/factorial.js", "factorial");
});
test("Calculate the factorial of 5", "This is a huge description.", () => {
    const actual = factorial(5);
    (0, assertions_1.strictEqual)(actual, 120, "factorial(5) should return 120");
});
test("Calculate the factorial of 6", "This is a huge description.", () => {
    const actual = factorial(6);
    (0, assertions_1.strictEqual)(actual, 720, "factorial(6) should return 720");
});
//# sourceMappingURL=factorial.js.map