import { test } from 'node:test';
import assert from 'node:assert/strict';
import { run, ProcessError, ProcessTimeoutError } from '../src/exec.js';

test('resolves with stdout on success', async () => {
  const { stdout } = await run('node', ['-e', 'process.stdout.write("hi")']);
  assert.equal(stdout, 'hi');
});

test('rejects with ProcessError on non-zero exit, capturing stderr', async () => {
  await assert.rejects(
    run('node', ['-e', 'process.stderr.write("bad"); process.exit(2)']),
    (err) => {
      assert.ok(err instanceof ProcessError);
      assert.equal(err.code, 2);
      assert.equal(err.stderr, 'bad');
      return true;
    },
  );
});

test('rejects with ProcessTimeoutError when the process exceeds the timeout', async () => {
  await assert.rejects(
    run('node', ['-e', 'setTimeout(() => {}, 5000)'], { timeoutMs: 100 }),
    ProcessTimeoutError,
  );
});

test('passes cwd and env through to the child process', async () => {
  const { stdout } = await run('node', ['-e', 'process.stdout.write(process.env.FOO || "")'], {
    env: { ...process.env, FOO: 'bar' },
  });
  assert.equal(stdout, 'bar');
});