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nxdns/admin/src/features/activity/datetime.test.ts
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milestone 29: activity — history, live and policy simulation on one surface
query log, live and lookup merge into /activity. history filters live
in the url, so a pasted link or back/forward reproduces the exact
view; the result column separates servfail and nxdomain from success
in the list. live is follow-by-default with freeze, and a streamed
row opens its in-memory provenance detail — no correlation invented
for rows sqlite has not written. lookup survives as the current
policy simulation under /activity/test. investigation links carry
absolute bounds, and the diagnostics page now honors since/until
instead of ignoring them. the old routes are gone without aliases.
2026-08-22 10:52:56 +02:00

101 lines
4.1 KiB
TypeScript

import {
datetimeField,
datetimeLocalToUnix,
editDatetimeField,
resolveDatetimeField,
unixToDatetimeLocal,
} from "./datetime";
/**
* Every assertion here is about local time, so the zone has to be pinned. New
* York is the zone the DST cases are written for: the fold is 2024-11-03 01:30
* and the gap is 2024-03-10 02:30.
*/
// The app never reads `process`, so `src` is typed without node's globals; the
// test host is node, where assigning `TZ` re-reads the zone for `Date`.
declare const process: { env: Record<string, string | undefined> };
const originalTz = process.env["TZ"];
beforeAll(() => {
process.env["TZ"] = "America/New_York";
});
afterAll(() => {
process.env["TZ"] = originalTz;
});
/** 2024-06-01T12:34:56 EDT. */
const SUMMER = 1_717_259_696;
test("a non-zero-second instant round trips", () => {
expect(unixToDatetimeLocal(SUMMER)).toBe("2024-06-01T12:34:56");
expect(datetimeLocalToUnix("2024-06-01T12:34:56")).toBe(SUMMER);
});
test("text without seconds parses as :00", () => {
expect(datetimeLocalToUnix("2024-06-01T12:34")).toBe(datetimeLocalToUnix("2024-06-01T12:34:00"));
});
test("text that is not a datetime-local value names no instant", () => {
expect(datetimeLocalToUnix("")).toBeUndefined();
expect(datetimeLocalToUnix("yesterday")).toBeUndefined();
expect(datetimeLocalToUnix("2024-06-01")).toBeUndefined();
expect(datetimeLocalToUnix("2024-13-01T00:00:00")).toBeUndefined();
});
/** 2024-11-03 01:30 EDT and 01:30 EST: two instants, one wall clock. */
const FOLD_FIRST = 1_730_611_800;
const FOLD_SECOND = 1_730_615_400;
test("the fall-back fold gives two instants the same text", () => {
expect(unixToDatetimeLocal(FOLD_FIRST)).toBe("2024-11-03T01:30:00");
expect(unixToDatetimeLocal(FOLD_SECOND)).toBe("2024-11-03T01:30:00");
expect(datetimeLocalToUnix("2024-11-03T01:30:00")).toBe(FOLD_FIRST);
});
test("an untouched fold bound applies the instant it was seeded with, not a re-parse of its text", () => {
const field = datetimeField(FOLD_SECOND);
expect(field.text).toBe("2024-11-03T01:30:00");
expect(resolveDatetimeField(field)).toEqual({ ok: true, value: FOLD_SECOND });
});
test("an edited fold bound resolves to the first of the two instants, which is what its text says", () => {
const field = editDatetimeField(datetimeField(FOLD_SECOND), "2024-11-03T01:30:00");
expect(resolveDatetimeField(field)).toEqual({ ok: true, value: FOLD_FIRST });
});
test("a spring-forward time that exists on no clock is rejected rather than slid forward an hour", () => {
const field = editDatetimeField(datetimeField(undefined), "2024-03-10T02:30:00");
expect(datetimeLocalToUnix("2024-03-10T02:30:00")).toBe(1_710_055_800);
expect(unixToDatetimeLocal(1_710_055_800)).toBe("2024-03-10T03:30:00");
expect(resolveDatetimeField(field)).toEqual({ ok: false, reason: "nonexistent" });
});
test("an edited bound round trips with non-zero seconds", () => {
const field = editDatetimeField(datetimeField(undefined), "2024-06-01T12:34:56");
expect(resolveDatetimeField(field)).toEqual({ ok: true, value: SUMMER });
});
test("clearing an edited bound drops the filter", () => {
const field = editDatetimeField(datetimeField(SUMMER), "");
expect(resolveDatetimeField(field)).toEqual({ ok: true, value: undefined });
});
test("an unparseable edit is reported, never silently dropped", () => {
const field = editDatetimeField(datetimeField(undefined), "2024-06-32T99:99");
expect(resolveDatetimeField(field)).toEqual({ ok: false, reason: "unparseable" });
});
test("an unset bound seeds an empty field that stays unset", () => {
const field = datetimeField(undefined);
expect(field.text).toBe("");
expect(resolveDatetimeField(field)).toEqual({ ok: true, value: undefined });
});
test("a fractional part on the seconds is parsed and dropped, not rejected", () => {
// jsdom, and any engine that sanitizes to the full grammar, hands the input
// back with milliseconds attached; a bound is a whole second either way.
const field = editDatetimeField(datetimeField(undefined), "2023-11-14T23:13:37.000");
const resolved = resolveDatetimeField(field);
expect(resolved).toEqual({ ok: true, value: datetimeLocalToUnix("2023-11-14T23:13:37") });
});