solves 02_repeatString

This commit is contained in:
Max Hillebrand 2023-11-17 08:59:10 +01:00
parent 9dadabc9bf
commit e7847b0ac1
2 changed files with 30 additions and 19 deletions

View File

@ -1,5 +1,14 @@
const repeatString = function() {
const repeatString = function (string, num) {
let addedStrings = "";
if (num < 0) {
return (addedStrings = "ERROR");
} else {
for (num; num > 0; num--) {
addedStrings += string;
}
}
return addedStrings;
};
// Do not edit below this line

View File

@ -1,22 +1,22 @@
const repeatString = require('./repeatString')
const repeatString = require("./repeatString");
describe('repeatString', () => {
test('repeats the string', () => {
expect(repeatString('hey', 3)).toEqual('heyheyhey');
describe("repeatString", () => {
test("repeats the string", () => {
expect(repeatString("hey", 3)).toEqual("heyheyhey");
});
test.skip('repeats the string many times', () => {
expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
test("repeats the string many times", () => {
expect(repeatString("hey", 10)).toEqual("heyheyheyheyheyheyheyheyheyhey");
});
test.skip('repeats the string 1 times', () => {
expect(repeatString('hey', 1)).toEqual('hey');
test("repeats the string 1 times", () => {
expect(repeatString("hey", 1)).toEqual("hey");
});
test.skip('repeats the string 0 times', () => {
expect(repeatString('hey', 0)).toEqual('');
test("repeats the string 0 times", () => {
expect(repeatString("hey", 0)).toEqual("");
});
test.skip('returns ERROR with negative numbers', () => {
expect(repeatString('hey', -1)).toEqual('ERROR');
test("returns ERROR with negative numbers", () => {
expect(repeatString("hey", -1)).toEqual("ERROR");
});
test.skip('repeats the string a random amount of times', function () {
test("repeats the string a random amount of times", function () {
/*The number is generated by using Math.random to get a value from between
0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it
equals a number between 0 to 999 (this number will change everytime you run
@ -25,13 +25,15 @@ describe('repeatString', () => {
// DO NOT use Math.floor(Math.random() * 1000) in your code,
// this test generates a random number, then passes it into your code with a function parameter.
// If this doesn't make sense, you should go read about functions here: https://www.theodinproject.com/paths/foundations/courses/foundations/lessons/fundamentals-part-3
const number = Math.floor(Math.random() * 1000)
const number = Math.floor(Math.random() * 1000);
/*The .match(/((hey))/g).length is a regex that will count the number of heys
in the result, which if your function works correctly will equal the number that
was randomly generated. */
expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
expect(repeatString("hey", number).match(/((hey))/g).length).toEqual(
number
);
});
test.skip('works with blank strings', () => {
expect(repeatString('', 10)).toEqual('');
test("works with blank strings", () => {
expect(repeatString("", 10)).toEqual("");
});
});