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Test Info: Warnings
- This test runs only with pattern: os != 'android'
- Manifest: browser/components/aiwindow/ui/test/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
// "Today" in the AI Tab header is a calendar day, not a rolling 24 hours.
// Both `now` and the timestamp are supplied here so the boundary cases are
// deterministic; asserting against the real clock would flake for a suite
// that happened to run across midnight.
do_get_profile();
const { formatCreatedAt } = ChromeUtils.importESModule(
"moz-src:///browser/components/aiwindow/ui/actors/AITabParent.sys.mjs"
);
const HOUR_MS = 60 * 60 * 1000;
const DAY_MS = 24 * HOUR_MS;
/**
* The store keeps created_at in microseconds, which is what the formatter
* takes.
*
* @param {string} isoString
* @returns {number}
*/
function storedTime(isoString) {
return new Date(isoString).getTime() * 1000;
}
add_task(async function test_today_uses_the_today_string() {
const now = new Date("2026-09-08T14:30:00").getTime();
const today = await formatCreatedAt(storedTime("2026-09-08T14:30:00"), now);
Assert.equal(today, "Created today", "The same instant reads as today");
Assert.equal(
await formatCreatedAt(storedTime("2026-09-08T00:00:00"), now),
today,
"The first moment of today reads as today"
);
Assert.equal(
await formatCreatedAt(storedTime("2026-09-08T23:59:59"), now),
today,
"The last moment of today reads as today"
);
});
add_task(async function test_other_days_use_a_date() {
const now = new Date("2026-09-08T14:30:00").getTime();
const yesterday = await formatCreatedAt(
storedTime("2026-09-07T23:59:59"),
now
);
Assert.notEqual(
yesterday,
"Created today",
"The last moment of yesterday is not today"
);
Assert.ok(yesterday.startsWith("Created "), `Reads as a date: ${yesterday}`);
Assert.notEqual(
await formatCreatedAt(storedTime("2026-09-09T00:00:00"), now),
"Created today",
"The first moment of tomorrow is not today either"
);
});
add_task(async function test_within_24_hours_is_not_enough() {
// Two hours apart but on different calendar days. A rolling 24 hour window
// would call the earlier one today, which is not what a reader means.
const now = new Date("2026-09-08T01:00:00").getTime();
const lateYesterday = new Date("2026-09-07T23:00:00").getTime();
Assert.less(now - lateYesterday, DAY_MS, "Less than a day apart");
Assert.notEqual(
await formatCreatedAt(lateYesterday * 1000, now),
"Created today",
"but the previous calendar day is still not today"
);
});
add_task(async function test_unusable_timestamps_render_nothing() {
const now = Date.now();
Assert.equal(await formatCreatedAt(0, now), "", "Zero produces no label");
Assert.equal(
await formatCreatedAt(Number.NaN, now),
"",
"NaN produces no label"
);
Assert.equal(
await formatCreatedAt(undefined, now),
"",
"A missing timestamp produces no label"
);
});