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utils.spec.ts

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import * as utils from './utils';

describe('utils', () => {

describe('isString', () => {

it('should be able to properly detect a string', () => {

const str = 'oh hai';

const notStr = 101;

const bool = true;

const nul = null;

const obj = {};

const fn = () => { };

const undef = undefined;

expect(utils.isString(str)).toBe(true);

expect(utils.isString(notStr)).toBe(false);

expect(utils.isString(bool)).toBe(false);

expect(utils.isString(nul)).toBe(false);

expect(utils.isString(obj)).toBe(false);

expect(utils.isString(fn)).toBe(false);

expect(utils.isString(undef)).toBe(false);

});

});

});