82 lines
2.3 KiB
TypeScript
82 lines
2.3 KiB
TypeScript
import { describe, expect, it, vi, beforeEach, afterEach } from "vitest";
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vi.mock("node:child_process", async () => {
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const actual = await vi.importActual<typeof import("node:child_process")>(
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"node:child_process",
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);
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return {
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...actual,
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execFileSync: vi.fn(),
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};
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});
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import { execFileSync } from "node:child_process";
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import {
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forceFreePort,
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listPortListeners,
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parseLsofOutput,
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type PortProcess,
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} from "./program.js";
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describe("gateway --force helpers", () => {
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let originalKill: typeof process.kill;
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beforeEach(() => {
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vi.clearAllMocks();
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originalKill = process.kill;
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});
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afterEach(() => {
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process.kill = originalKill;
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});
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it("parses lsof output into pid/command pairs", () => {
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const sample = ["p123", "cnode", "p456", "cpython", ""].join("\n");
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const parsed = parseLsofOutput(sample);
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expect(parsed).toEqual<PortProcess[]>([
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{ pid: 123, command: "node" },
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{ pid: 456, command: "python" },
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]);
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});
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it("returns empty list when lsof finds nothing", () => {
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(execFileSync as unknown as vi.Mock).mockImplementation(() => {
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const err = new Error("no matches");
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// @ts-expect-error partial
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err.status = 1; // lsof uses exit 1 for no matches
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throw err;
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});
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expect(listPortListeners(18789)).toEqual([]);
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});
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it("throws when lsof missing", () => {
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(execFileSync as unknown as vi.Mock).mockImplementation(() => {
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const err = new Error("not found");
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// @ts-expect-error partial
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err.code = "ENOENT";
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throw err;
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});
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expect(() => listPortListeners(18789)).toThrow(/lsof not found/);
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});
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it("kills each listener and returns metadata", () => {
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(execFileSync as unknown as vi.Mock).mockReturnValue(
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["p42", "cnode", "p99", "cssh", ""].join("\n"),
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);
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const killMock = vi.fn();
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// @ts-expect-error override for test
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process.kill = killMock;
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const killed = forceFreePort(18789);
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expect(execFileSync).toHaveBeenCalled();
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expect(killMock).toHaveBeenCalledTimes(2);
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expect(killMock).toHaveBeenCalledWith(42, "SIGTERM");
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expect(killMock).toHaveBeenCalledWith(99, "SIGTERM");
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expect(killed).toEqual<PortProcess[]>([
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{ pid: 42, command: "node" },
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{ pid: 99, command: "ssh" },
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]);
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});
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});
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