Files
homarr/packages/widgets/src/beszel/_shared/chart.spec.ts
T

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TypeScript

import { describe, expect, test } from "vitest";
import type { BeszelSystemStatsRecord } from "@homarr/integrations/types";
import { buildDiskChartData, padLiveTimeGrid } from "./chart";
const record = (
created: string,
du: number,
efs: BeszelSystemStatsRecord["stats"]["efs"],
): BeszelSystemStatsRecord => ({
id: created,
system: "system-1",
type: "1m",
created,
updated: created,
stats: {
cpu: 0,
m: 0,
mu: 0,
mp: 0,
mb: 0,
s: 0,
su: 0,
d: 938.8,
du,
dp: 51.15,
efs,
},
});
describe("buildDiskChartData", () => {
test("keeps root and extra filesystem usage in GiB without stacking or byte conversion", () => {
const data = buildDiskChartData(
[
record("2026-07-11T13:46:00.000Z", 455.81, {
sda: { d: 1906.8, du: 1656.45, r: 0, w: 0 },
sdb: { d: 5587.04, du: 3936.86, r: 0, w: 0 },
sdc: { d: 3724.18, du: 1589.84, r: 0, w: 0 },
}),
],
["sda", "sdb", "sdc"],
"Root",
"1h",
);
expect(data).toHaveLength(1);
expect(data[0]).toMatchObject({ Root: 455.81, sda: 1656.45, sdb: 3936.86, sdc: 1589.84 });
});
test("uses zero for a filesystem missing from an individual sample and orders historical records oldest first", () => {
const data = buildDiskChartData(
[
record("2026-07-11T13:47:00.000Z", 2, { sda: { d: 10, du: 4, r: 0, w: 0 } }),
record("2026-07-11T13:46:00.000Z", 1, undefined),
],
["sda"],
"Root",
"1h",
);
expect(data.map((point) => ({ Root: point.Root, sda: point.sda }))).toEqual([
{ Root: 1, sda: 0 },
{ Root: 2, sda: 4 },
]);
});
});
describe("padLiveTimeGrid", () => {
test("keeps a fixed 60-second window with the newest sample at the right edge", () => {
const data = padLiveTimeGrid([{ time: "13:51:30", rawTime: "2026-07-11T13:51:30.217Z", CPU: 18.07 }]);
expect(data).toHaveLength(60);
expect(data[0]).not.toHaveProperty("CPU");
expect(data[58]).not.toHaveProperty("CPU");
expect(data[59]).toMatchObject({ CPU: 18.07 });
});
test("leaves null gaps for missing seconds instead of stretching existing points", () => {
const data = padLiveTimeGrid([
{ time: "13:51:28", rawTime: "2026-07-11T13:51:28.000Z", CPU: 10 },
{ time: "13:51:30", rawTime: "2026-07-11T13:51:30.000Z", CPU: 20 },
]);
expect(data.slice(-3).map((point) => point.CPU)).toEqual([10, undefined, 20]);
});
});