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Commit 0065648

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feat: fizzBuzz
1 parent 7f8bbb1 commit 0065648

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2 files changed

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2 files changed

+67
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‎src/5_fizzBuzz/fizzBuzz.test.ts‎

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// @ts-nocheck
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import { fizzBuzz } from '.';
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beforeEach(() => {
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jest.spyOn(console, 'log');
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});
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afterEach(() => {
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console.log.mockRestore();
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});
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test('fizzBuzz function is defined', () => {
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expect(fizzBuzz).toBeDefined();
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});
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test('Calling fizzbuzz with `5` prints out 5 statements', () => {
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fizzBuzz(5);
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expect(console.log.mock.calls.length).toEqual(5);
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});
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test('Calling fizzbuzz with 15 prints out the correct values', () => {
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fizzBuzz(15);
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expect(console.log.mock.calls[0][0]).toEqual(1);
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expect(console.log.mock.calls[1][0]).toEqual(2);
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expect(console.log.mock.calls[2][0]).toEqual('fizz');
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expect(console.log.mock.calls[3][0]).toEqual(4);
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expect(console.log.mock.calls[4][0]).toEqual('buzz');
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expect(console.log.mock.calls[5][0]).toEqual('fizz');
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expect(console.log.mock.calls[6][0]).toEqual(7);
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expect(console.log.mock.calls[7][0]).toEqual(8);
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expect(console.log.mock.calls[8][0]).toEqual('fizz');
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expect(console.log.mock.calls[9][0]).toEqual('buzz');
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expect(console.log.mock.calls[10][0]).toEqual(11);
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expect(console.log.mock.calls[11][0]).toEqual('fizz');
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expect(console.log.mock.calls[12][0]).toEqual(13);
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expect(console.log.mock.calls[13][0]).toEqual(14);
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expect(console.log.mock.calls[14][0]).toEqual('fizzbuzz');
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});

‎src/5_fizzBuzz/index.ts‎

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// --- Task
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// Write a function that console logs the numbers
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// from 1 to n. But for multiples of three print
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// "fizz" instead of the number and for the multiples
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// of five print "buzz". For numbers which are multiples
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// of both three and five print "fizzbuzz".
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// --- Example
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// fizzBuzz(5);
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// 1
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// 2
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// fizz // n / 3 === 0
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// 4
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// buzz // 5 / 5 === 0
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export const fizzBuzz = (n: number): void => {
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for (let i = 1; i <= n; i++) {
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if (i % 15 === 0) {
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console.log('fizzbuzz');
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} else if (i % 5 === 0) {
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console.log('buzz');
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} else if (i % 3 === 0) {
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console.log('fizz');
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} else console.log(i);
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}
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};

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