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reverseString.spec.js

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const reverseString = require('./reverseString');

describe('reverseString', () => {

test('reverses single word', () => {

expect(reverseString('hello')).toEqual('olleh');

});

test('reverses multiple words', () => {

expect(reverseString('hello there')).toEqual('ereht olleh');

});

test('works with numbers and punctuation', () => {

expect(reverseString('123! abc! Hello, Odinite.')).toEqual(

'.etinidO ,olleH !cba !321'

);

});

test('works with blank strings', () => {

expect(reverseString('')).toEqual('');

});

});