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Module-Rust/client/test/format.test.js
wtclaude cddba957d3
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feat(rust): Admin → Rust servers page and the next wipe on the web (phase 16)
The module had no page for its own server rows: they were written only
through PUT /admin/rust/servers/:id, and the README described an
"Admin → Rust" server form that did not exist. D133 (org lead) builds it:
add, edit, test and delete a server, with the D130 wipe schedule in the
same form. The token stays write-only and an edit sends the stored
protocol back rather than re-stamping the row.

The next wipe shows on the server list and in the server page's header,
in the reader's own clock, marked "rescheduled" for a one-off date.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY
2026-09-25 13:29:59 -05:00

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// ── Formatting ────────────────────────────────────────────────────────────
//
// Small functions, and the tests are small too — but three of them guard claims
// that would otherwise be made by a page that looks fine: an unknown duration
// rendered as zero, a timestamp in the wrong unit, and "in 0 seconds".
//
// Locale-dependent output is asserted loosely on purpose. `Intl` formats to the
// RUNNER's locale, and a test pinned to "3 minutes ago" would be a test that
// fails on a machine set to French while the page it describes is correct.
import test from 'node:test'
import assert from 'node:assert/strict'
import { ago, clock, count, day, duration, nextWipe, prefab, shortId } from '../src/lib/format.js'
const NOW = Date.parse('2026-09-16T12:00:00Z')
test('a relative time picks the unit that fits', () => {
assert.match(ago(NOW - 3 * 60_000, NOW), /3/)
assert.match(ago(NOW - 5 * 3600_000, NOW), /5/)
assert.match(ago(NOW - 3 * 86400_000, NOW), /3/)
})
test('"just now" rather than "in 0 seconds"', () => {
// What `numeric: 'auto'` produces under a minute is not what anybody means,
// and a feed row a few seconds old is the commonest row on the page.
assert.equal(ago(NOW, NOW), 'just now')
assert.equal(ago(NOW - 10_000, NOW), 'just now')
})
test('both time shapes this module serves are accepted', () => {
// `updatedAt` is an ISO string the model produced; an event's `t` is the
// millisecond stamp the plugin put on the frame. A helper that took only one
// would be a helper every caller has to remember the type for.
assert.equal(ago('2026-09-16T11:57:00.000Z', NOW), ago(NOW - 3 * 60_000, NOW))
})
test('a missing time is "never", not the epoch', () => {
assert.equal(ago(null), 'never')
assert.equal(ago(undefined), 'never')
assert.equal(ago(''), 'never')
assert.equal(day(null), 'unknown')
})
test('an unknown duration is a dash, and a short one keeps its seconds', () => {
// The distinction the plugin makes and this must not lose: `sessionSec` is
// ABSENT for a player who was already on when it loaded, so zero and unknown
// arrive at the same function and must not render the same way.
assert.equal(duration(null), '—')
assert.equal(duration(0), '—')
assert.equal(duration(40), '40s')
assert.equal(duration(90), '2m')
assert.equal(duration(3720), '1h 2m')
assert.equal(duration(7200), '2h')
})
test('a prefab reads as words, without a lookup table', () => {
assert.equal(prefab('rifle.ak'), 'rifle ak')
assert.equal(prefab('scientistnpc_full_any'), 'scientistnpc full any')
assert.equal(prefab(null), '')
})
test('a steam id is shortened without pretending to be a name', () => {
assert.equal(shortId('76561198000000001'), '…000001')
assert.equal(shortId(''), '')
})
test('a count that is not a number is zero, never NaN on the page', () => {
assert.equal(count(undefined), '0')
assert.equal(count(null), '0')
})
test("a feed row from another day carries its date, not just a time", () => {
// Found by the page walk: with the feed filtered to the previous wipe, three
// events from six weeks ago rendered as `02:03 PM` and read as this afternoon.
// Today's rows stay bare, because a killfeed of today's fights does not want
// the date on every line.
// Asserted against `Intl` rather than against a literal: a 12-hour locale puts
// letters in a bare time ("05:30 AM"), so "has letters in it" is not the test —
// "is exactly the time, and nothing else" is.
const time = (at) => new Date(at).toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' })
const todayAt = NOW - 90 * 60_000
assert.equal(clock(todayAt, NOW), time(todayAt))
const olderAt = NOW - 46 * 86400_000
assert.ok(clock(olderAt, NOW).endsWith(time(olderAt)))
assert.ok(clock(olderAt, NOW).length > time(olderAt).length, 'an older row carries no date')
// Yesterday counts as another day even when it is only a few hours back — the
// boundary is the calendar, not a duration, because that is what a reader
// means by "what time was that".
const lateLastNight = Date.parse('2026-09-15T23:50:00')
const earlyToday = Date.parse('2026-09-16T00:20:00')
assert.ok(clock(lateLastNight, earlyToday).length > time(lateLastNight).length)
})
test('the next wipe: the reader’s own clock, how far away, and whether it moved', () => {
const now = Date.parse('2026-09-25T12:00:00Z')
const forced = nextWipe({ at: '2026-10-01T18:00:00.000Z', source: 'forced' }, now)
assert.match(forced, /\(in 6 days\)$/)
assert.ok(!forced.includes('rescheduled'))
assert.match(nextWipe({ at: '2026-09-27T17:00:00.000Z', source: 'once' }, now), /\(in 2 days\) — rescheduled$/)
// No schedule is no line, not "unknown": the page leaves the part out.
assert.equal(nextWipe(null, now), null)
assert.equal(nextWipe({ at: 'soon', source: 'rule' }, now), null)
})