'use strict';

const { describe, it } = require('node:test');
const assert = require('node:assert/strict');
const userService = require('./userService');
const professorService = require('../professors/professorService');

describe('Student Profile and Professor Promotion Service Exports', () => {
  it('exports getUserFullProfile and promoteToProfessor in userService', () => {
    assert.equal(typeof userService.getUserFullProfile, 'function');
    assert.equal(typeof userService.promoteToProfessor, 'function');
  });

  it('exports createProfessorFromUser in professorService', () => {
    assert.equal(typeof professorService.createProfessorFromUser, 'function');
  });

  it('throws validation error when userId is missing in createProfessorFromUser', async () => {
    await assert.rejects(
      () => professorService.createProfessorFromUser(null),
      (err) => err.errorCode === 'VALIDATION_FAILED' || err.statusCode === 400
    );
  });
});