93 lines
3.1 KiB
JavaScript
93 lines
3.1 KiB
JavaScript
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import { uuids } from '~/diffs/utils/uuids';
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const HEX = /[a-f0-9]/i;
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const HEX_RE = HEX.source;
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const UUIDV4 = new RegExp(
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`${HEX_RE}{8}-${HEX_RE}{4}-4${HEX_RE}{3}-[89ab]${HEX_RE}{3}-${HEX_RE}{12}`,
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'i',
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);
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describe('UUIDs Util', () => {
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describe('uuids', () => {
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const SEQUENCE_FOR_GITLAB_SEED = [
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'a1826a44-316c-480e-a93d-8cdfeb36617c',
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'e049db1f-a4cf-4cba-aa60-6d95e3b547dc',
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'6e3c737c-13a7-4380-b17d-601f187d7e69',
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'bee5cc7f-c486-45c0-8ad3-d1ac5402632d',
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'af248c9f-a3a6-4d4f-a311-fe151ffab25a',
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];
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const SEQUENCE_FOR_12345_SEED = [
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'edfb51e2-e3e1-4de5-90fd-fd1d21760881',
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'2f154da4-0a2d-4da9-b45e-0ffed391517e',
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'91566d65-8836-4222-9875-9e1df4d0bb01',
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'f6ea6c76-7640-4d71-a736-9d3bec7a1a8e',
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'bfb85869-5fb9-4c5b-a750-5af727ac5576',
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];
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it('returns version 4 UUIDs', () => {
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expect(uuids()[0]).toMatch(UUIDV4);
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});
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it('outputs an array of UUIDs', () => {
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const ids = uuids({ count: 11 });
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expect(ids.length).toEqual(11);
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expect(ids.every(id => UUIDV4.test(id))).toEqual(true);
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});
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it.each`
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seeds | uuid
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${['some', 'special', 'seed']} | ${'6fa53e51-0f70-4072-9c84-1c1eee1b9934'}
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${['magic']} | ${'fafae8cd-7083-44f3-b82d-43b30bd27486'}
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${['seeded']} | ${'e06ed291-46c5-4e42-836b-e7c772d48b49'}
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${['GitLab']} | ${'a1826a44-316c-480e-a93d-8cdfeb36617c'}
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${['JavaScript']} | ${'12dfb297-1560-4c38-9775-7178ef8472fb'}
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${[99, 169834, 2619]} | ${'3ecc8ad6-5b7c-4c9b-94a8-c7271c2fa083'}
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${[12]} | ${'2777374b-723b-469b-bd73-e586df964cfd'}
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${[9876, 'mixed!', 7654]} | ${'865212e0-4a16-4934-96f9-103cf36a6931'}
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${[123, 1234, 12345, 6]} | ${'40aa2ee6-0a11-4e67-8f09-72f5eba04244'}
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${[0]} | ${'8c7f0aac-97c4-4a2f-b716-a675d821ccc0'}
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`(
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'should always output the UUID $uuid when the options.seeds argument is $seeds',
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({ uuid, seeds }) => {
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expect(uuids({ seeds })[0]).toEqual(uuid);
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},
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);
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describe('unseeded UUID randomness', () => {
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const nonRandom = Array(6)
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.fill(0)
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.map((_, i) => uuids({ seeds: [i] })[0]);
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const random = uuids({ count: 6 });
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const moreRandom = uuids({ count: 6 });
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it('is different from a seeded result', () => {
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random.forEach((id, i) => {
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expect(id).not.toEqual(nonRandom[i]);
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});
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});
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it('is different from other random results', () => {
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random.forEach((id, i) => {
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expect(id).not.toEqual(moreRandom[i]);
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});
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});
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it('never produces any duplicates', () => {
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expect(new Set(random).size).toEqual(random.length);
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});
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});
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it.each`
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seed | sequence
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${'GitLab'} | ${SEQUENCE_FOR_GITLAB_SEED}
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${12345} | ${SEQUENCE_FOR_12345_SEED}
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`(
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'should output the same sequence of UUIDs for the given seed "$seed"',
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({ seed, sequence }) => {
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expect(uuids({ seeds: [seed], count: 5 })).toEqual(sequence);
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},
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);
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});
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});
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