wehub-resource-sync
070959e133
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42 lines
1.5 KiB
TypeScript
42 lines
1.5 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { collectProcessTreePids, type ProcessSnapshot } from "../src/index.js";
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function snapshot(pid: number, ppid: number, command = `pid-${pid}`): ProcessSnapshot {
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return { command, pid, ppid };
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}
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describe("collectProcessTreePids", () => {
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it("returns an empty array when no roots are supplied", () => {
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expect(collectProcessTreePids([snapshot(100, 1), snapshot(101, 100)], [])).toEqual([]);
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expect(collectProcessTreePids([], [null, undefined])).toEqual([]);
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});
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it("returns a single root with no descendants", () => {
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expect(collectProcessTreePids([snapshot(101, 1)], [100])).toEqual([100]);
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});
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it("walks two levels of descendants and sorts pids descending", () => {
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const processes = [
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snapshot(100, 1),
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snapshot(200, 100),
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snapshot(201, 100),
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snapshot(300, 200),
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];
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expect(collectProcessTreePids(processes, [100])).toEqual([300, 201, 200, 100]);
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});
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it("returns the root even when no matching ppid exists in the process list", () => {
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expect(collectProcessTreePids([snapshot(500, 1)], [100])).toEqual([100]);
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});
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it("dedupes repeated root pids", () => {
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expect(collectProcessTreePids([snapshot(200, 100)], [100, 100])).toEqual([200, 100]);
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});
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it("terminates on parent-child cycles instead of looping forever", () => {
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const processes = [snapshot(100, 200), snapshot(200, 100)];
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expect(collectProcessTreePids(processes, [100])).toEqual([200, 100]);
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});
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});
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