File size: 2,042 Bytes
fcd8223 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | import os from "node:os";
import { afterEach, expect, it, vi } from "vitest";
import { validateNodeHostStatsPayload } from "../../packages/gateway-protocol/src/index.js";
import * as diskSpace from "../infra/disk-space.js";
import { sampleNodeHostStats } from "./host-stats.js";
afterEach(() => vi.restoreAllMocks());
it("samples the real host into the node host stats wire contract", () => {
const stats = sampleNodeHostStats();
expect(validateNodeHostStatsPayload(stats)).toBe(true);
expect(stats.memoryTotalBytes).toBeGreaterThan(0);
expect(stats.cpuCount).toBeGreaterThanOrEqual(1);
expect(stats).not.toHaveProperty("updatedAtMs");
});
it("bounds OS readings and reports available space on the home volume", () => {
vi.spyOn(os, "cpus").mockReturnValue([]);
vi.spyOn(os, "loadavg").mockReturnValue([1.25, -1, 100_001]);
vi.spyOn(os, "totalmem").mockReturnValue(100.4);
vi.spyOn(os, "freemem").mockReturnValue(200);
const disk = vi.spyOn(diskSpace, "tryReadDiskSpace").mockReturnValue({
targetPath: os.homedir(),
checkedPath: os.homedir(),
totalBytes: 500.4,
availableBytes: 600,
});
const stats = sampleNodeHostStats();
expect(stats).toEqual({
cpuCount: 1,
loadAverage: [1.25, 0, 100_000],
memoryTotalBytes: 100,
memoryFreeBytes: 100,
diskTotalBytes: 500,
diskAvailableBytes: 500,
});
expect(disk).toHaveBeenCalledWith(os.homedir());
expect(validateNodeHostStatsPayload(stats)).toBe(true);
});
it.each([
null,
{ targetPath: "/home", checkedPath: "/home", totalBytes: null, availableBytes: 100 },
])("omits unavailable disk capacity and zero-only load averages", (disk) => {
vi.spyOn(os, "loadavg").mockReturnValue([0, 0, 0]);
vi.spyOn(diskSpace, "tryReadDiskSpace").mockReturnValue(disk);
const stats = sampleNodeHostStats();
expect(validateNodeHostStatsPayload(stats)).toBe(true);
expect(stats).not.toHaveProperty("loadAverage");
expect(stats).not.toHaveProperty("diskTotalBytes");
expect(stats).not.toHaveProperty("diskAvailableBytes");
});
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