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cinny/src/app/utils/a11y.test.ts
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import { test } from 'node:test';
import assert from 'node:assert/strict';
import dayjs from 'dayjs';
import { messageAriaLabel } from './a11y';
import { timeDayMonthYear, timeHourMinute } from './time';
test('messageAriaLabel composes sender, date and time (24h)', () => {
const ts = dayjs('2026-07-01T14:30:00').valueOf();
assert.equal(
messageAriaLabel('Alice', ts, true),
`Alice, ${timeDayMonthYear(ts)} ${timeHourMinute(ts, true)}`,
);
});
test('messageAriaLabel honours the 12-hour clock preference', () => {
const ts = dayjs('2026-07-01T14:30:00').valueOf();
assert.equal(
messageAriaLabel('Bob', ts, false),
`Bob, ${timeDayMonthYear(ts)} ${timeHourMinute(ts, false)}`,
);
});
test('messageAriaLabel keeps the sender name verbatim as plain text', () => {
const ts = dayjs('2026-07-01T09:05:00').valueOf();
const label = messageAriaLabel('@user:example.org', ts, true);
assert.ok(label.startsWith('@user:example.org, '));
assert.ok(!label.includes('<'));
});