44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { serializeSettings, parseSettings } from './settings.mjs';
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test('settings store only entered minutes and seconds, not countdown state', () => {
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assert.deepEqual(JSON.parse(serializeSettings('2', '90')), {
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minutes: '2', seconds: '90',
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});
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assert.deepEqual(parseSettings(serializeSettings('2', '90')), {
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minutes: '2', seconds: '90',
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});
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});
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test('restored seconds have at least two digits and leading zeros are canonicalized', () => {
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assert.deepEqual(parseSettings(serializeSettings('001', '005')), {
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minutes: '1', seconds: '05',
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});
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});
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test('empty input is stored as zero', () => {
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assert.deepEqual(parseSettings(serializeSettings('', '')), {
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minutes: '0', seconds: '00',
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});
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});
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test('large entered integers round trip without losing precision', () => {
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const minutes = '123456789012345678901234567890';
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const seconds = '987654321098765432109876543210';
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assert.deepEqual(parseSettings(serializeSettings(minutes, seconds)), { minutes, seconds });
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});
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test('missing, malformed, or invalid settings restore the default countdown', () => {
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for (const json of [
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null, '', 'invalid json', 'null', '[]', '{}', '42',
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'{"minutes": 1, "seconds": 2}',
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'{"minutes": "-1", "seconds": "00"}',
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'{"minutes": "0", "seconds": "1.5"}',
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'{"minutes": "0", "seconds": ""}',
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'{"minutes": "0", "seconds": "1e2"}',
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]) {
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assert.deepEqual(parseSettings(json), { minutes: '0', seconds: '00' });
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}
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});
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