mirror of
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92 lines
2.7 KiB
TypeScript
92 lines
2.7 KiB
TypeScript
/**
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* Local day keys from naive UTC timestamps, against a real Postgres.
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*
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* `measured_at` and `scheduled_for` hold UTC wall-clock time in `timestamp`
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* columns. The dashboard streak and the medication-compliance backfill keyed
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* them with a single `AT TIME ZONE tz`, which reads the value as local time
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* and shifts it the wrong way. Both now agree with `userDayKey`: a reading at
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* 23:30 UTC is the next day in Berlin and still the same day in Los Angeles,
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* a reading at 03:00 UTC is the previous day in Los Angeles.
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*/
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import { beforeEach, describe, expect, it } from "vitest";
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import { getPrismaClient, truncateAllTables } from "./setup";
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import { readActivityDayKeys } from "@/lib/dashboard/summary-reads";
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import { userDayKey } from "@/lib/tz/format";
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const prisma = getPrismaClient();
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const USER = "local-day-keys";
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const now = new Date();
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/** UTC midnight ten days back. */
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const D = Date.UTC(
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now.getUTCFullYear(),
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now.getUTCMonth(),
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now.getUTCDate() - 10,
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);
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const LATE = new Date(D + 23.5 * 3_600_000); // 23:30 UTC on D
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const EARLY = new Date(D + 3 * 3_600_000); // 03:00 UTC on D
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const key = (ms: number) => new Date(ms).toISOString().slice(0, 10);
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beforeEach(async () => {
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await truncateAllTables(prisma);
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await prisma.user.create({
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data: {
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id: USER,
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username: USER,
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email: `${USER}@example.test`,
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timezone: "Europe/Berlin",
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},
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});
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});
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describe("readActivityDayKeys", () => {
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beforeEach(async () => {
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await prisma.measurement.createMany({
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data: [
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{ at: LATE, deleted: false },
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{ at: EARLY, deleted: false },
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{ at: new Date(D - 3 * 86_400_000), deleted: true },
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].map(({ at, deleted }, i) => ({
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id: `${USER}-m${i}`,
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userId: USER,
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type: "WEIGHT" as const,
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source: "MANUAL" as const,
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value: 80,
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unit: "kg",
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measuredAt: at,
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deletedAt: deleted ? new Date() : null,
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})),
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});
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});
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const since = new Date(D - 5 * 86_400_000);
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it("keys a late reading onto the next day east of UTC", async () => {
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const keys = await readActivityDayKeys(
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prisma,
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USER,
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"Europe/Berlin",
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since,
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now,
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);
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expect(keys).toEqual([key(D), key(D + 86_400_000)]);
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expect(keys).toEqual(
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[EARLY, LATE].map((at) => userDayKey(at, "Europe/Berlin")),
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);
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});
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it("keys an early reading onto the previous day west of UTC", async () => {
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const keys = await readActivityDayKeys(
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prisma,
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USER,
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"America/Los_Angeles",
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since,
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now,
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);
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expect(keys).toEqual([key(D - 86_400_000), key(D)]);
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expect(keys).toEqual(
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[EARLY, LATE].map((at) => userDayKey(at, "America/Los_Angeles")),
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);
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});
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});
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