import { describe, expect, it } from "vitest"; import { isWindowsCommandNotFound, runProcess } from "./processRunner.ts"; describe("runProcess", () => {  it("fails when output exceeds max buffer in default mode", async () => {    await expect(      runProcess("node", ["-e", "process.stdout.write('x'.repeat(2048))"], { maxBufferBytes: 128 }),    ).rejects.toThrow("exceeded stdout buffer limit");  });   it("truncates output when outputMode is truncate", async () => {    const result = await runProcess("node", ["-e", "process.stdout.write('x'.repeat(2048))"], {      maxBufferBytes: 128,      outputMode: "truncate",    });     expect(result.code).toBe(0);    expect(result.stdout.length).toBeLessThanOrEqual(128);    expect(result.stdoutTruncated).toBe(true);    expect(result.stderrTruncated).toBe(false);  });}); describe("isWindowsCommandNotFound", () => {  it("matches the localized German cmd.exe error text", () => {    const originalPlatform = process.platform;    Object.defineProperty(process, "platform", { value: "win32", configurable: true });     try {      expect(        isWindowsCommandNotFound(          1,          "wird nicht als interner oder externer Befehl, betriebsfahiges Programm oder Batch-Datei erkannt",        ),      ).toBe(true);    } finally {      Object.defineProperty(process, "platform", { value: originalPlatform, configurable: true });    }  });});