import { describe, expect, test } from "vitest";
import { spawnSync } from "node:child_process";
import path from "node:path";

const runCli = (args: string[]) => {
  const tsxPath = path.resolve(process.cwd(), "node_modules/.bin/tsx");
  const cliPath = path.resolve(process.cwd(), "src/cli/index.ts");

  return spawnSync(tsxPath, [cliPath, ...args], {
    encoding: "utf8",
    cwd: process.cwd(),
  });
};

describe("cli entry boundary behavior", () => {
  test("returns non-zero for incomplete mnemonic invocation", () => {
    const result = runCli(["mnemonic"]);

    expect(result.status).toBe(1);
    expect(result.stdout).toContain("Usage:");
  });

  test("returns zero for mnemonic list invocation", () => {
    const result = runCli(["mnemonic", "list"]);

    expect(result.status).toBe(0);
  });
});