Files
freeCodeCamp/tools/challenge-helper-scripts/helpers/pad-with-leading-zeros.test.js
Oliver Eyton-Williams 7216ca55cc refactor: organise TypeScript config and migrate helpers (#44747)
* feat: allow more 1000 steps to be created at once

* refactor: start migrating to typescript

* refactor: delete-step to ts

* refactor: migrated some helpers

* refactor: migrate create-empty-steps

* refactor: migrate create-step-between

* refactor: finish migrating to TS

* refactor: migrate tests

* fix: ensure mock.restore is done after each test

* fix: prevent double-tscing

* fix: repair the tests

* chore: use ts-node for scripts

We don't need the performance boost of incremental compilation and
ts-node is easier to work with

* refactor: consolidate tsconfigs

* refactor: replace gulp

* fix: use ts-node for build-curriculum

* fix: allow ts compilation of config

* feat: create and use create:config script

* fix: add /config to eslint projects

* fix: remove gulp script
2022-01-25 11:34:16 +01:00

22 lines
723 B
JavaScript

const { padWithLeadingZeros } = require('./pad-with-leading-zeros');
describe('padWithLeadingZeros helper', () => {
it('should return a string of 3 digits for valid values', () => {
const items = ['1', '11', '111'];
items.forEach(item => expect(padWithLeadingZeros(item).length).toEqual(3));
});
it('should prepend 0s on valid values while length is less than 3', () => {
expect(padWithLeadingZeros('1')).toEqual('001');
expect(padWithLeadingZeros('11')).toEqual('011');
expect(padWithLeadingZeros('111')).toEqual('111');
});
it('should throw on valid values that are longer that 3 characters', () => {
expect(() => {
padWithLeadingZeros('19850809');
}).toThrow();
});
});