// Covers WSL detection from platform and release files.

import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";

import { captureEnv } from "../test-utils/env.js";

import { captureEnv, deleteTestEnvValue, setTestEnvValue } from "../test-utils/env.js";

import { mockProcessPlatform } from "../test-utils/vitest-spies.js";

const readFileSyncMock = vi.hoisted(() => vi.fn());

beforeEach(() => {

envSnapshot = captureEnv(["WSL_INTEROP", "WSL_DISTRO_NAME", "WSLENV"]);

delete process.env.WSL_INTEROP;

delete process.env.WSL_DISTRO_NAME;

delete process.env.WSLENV;

deleteTestEnvValue("WSL_INTEROP");

deleteTestEnvValue("WSL_DISTRO_NAME");

deleteTestEnvValue("WSLENV");

readFileSyncMock.mockReset();

readFileMock.mockReset();

setPlatform("linux");

["WSL_INTEROP", "/run/WSL/123_interop"],

["WSLENV", "PATH/l"],

])("detects WSL from %s", (key, value) => {

process.env[key] = value;

setTestEnvValue(key, value);

expect(isWSLEnv()).toBe(true);

});

});

it("short-circuits async detection from WSL env vars without reading osrelease", async () => {

process.env.WSL_DISTRO_NAME = "Ubuntu";

setTestEnvValue("WSL_DISTRO_NAME", "Ubuntu");

await expect(isWSL()).resolves.toBe(true);

expect(readFileMock).not.toHaveBeenCalled();