import { SYSTEM_USER } from '../../lib/types';

import type { IUser } from '../server-impl';

import { extractUserIdFromUser, extractUsernameFromUser } from './extract-user';

describe('extractUsernameFromUser', () => {

test('Should return the email if it exists', () => {

const user = {

email: 'ratatoskr@yggdrasil.com',

username: 'ratatoskr',

} as IUser;

expect(extractUsernameFromUser(user)).toBe(user.email);

});

test('Should return the username if it exists and email does not', () => {

const user = {

username: 'ratatoskr',

} as IUser;

expect(extractUsernameFromUser(user)).toBe(user.username);

});

test('Should return the system user if neither email nor username exists', () => {

const user = {} as IUser;

expect(extractUsernameFromUser(user)).toBe(SYSTEM_USER.username);

expect(extractUserIdFromUser(user)).toBe(SYSTEM_USER.id);

});

test('Should return the system user if user is null', () => {

const user = null as unknown as IUser;

expect(extractUsernameFromUser(user)).toBe(SYSTEM_USER.username);

expect(extractUserIdFromUser(user)).toBe(SYSTEM_USER.id);

});

});