import { platform } from "node:os";

import path from "node:path";

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

const { existsSyncMock, readFileSyncMock } = vi.hoisted(() => ({

});

it("respects HOME when probing the default ADC path from a copied env snapshot", () => {

const homeDir = "/tmp/vertex-home";

const defaultAdcPath =

platform() === "win32"

? path.join(homeDir, "AppData", "Roaming", "gcloud", "application_default_credentials.json")

: path.join(homeDir, ".config", "gcloud", "application_default_credentials.json");

const env = {

HOME: "/tmp/vertex-home",

HOME: homeDir,

} as NodeJS.ProcessEnv;

readFileSyncMock.mockImplementation((pathname, options) =>

String(pathname) === "/tmp/vertex-home/.config/gcloud/application_default_credentials.json"

String(pathname) === defaultAdcPath

? '{"project_id":"vertex-project"}'

: String(pathname) === "/tmp/vertex-adc.json"

? '{"project_id":"vertex-project"}'

expect(resolveAnthropicVertexProjectId(env)).toBe("vertex-project");

expect(hasAnthropicVertexAvailableAuth(env)).toBe(true);

expect(existsSyncMock).not.toHaveBeenCalled();

expect(readFileSyncMock).toHaveBeenCalledWith(

"/tmp/vertex-home/.config/gcloud/application_default_credentials.json",

"utf8",

);

expect(readFileSyncMock).toHaveBeenCalledWith(defaultAdcPath, "utf8");

});

});