import pytest

from django.contrib.auth import get_user_model
from django.contrib.auth.models import Group
from django.test import TestCase


User = get_user_model()


class TestUsers(TestCase):

    def test_create_user(self):
        User.objects.create_user({
            'username': 'user 1',
            'password': 'password1'
        })
        User.objects.all().count() == 1

    def test_new_user_invalid_username(self):
        """Test creating user with no username raises error"""
        with pytest.raises(ValueError):
            User.objects.create_user(None, 'test123')

    def test_create_new_superuser(self):
        """Test creating a new superuser"""
        # Creation with standard method
        user = User.objects.create_superuser(
            'testsuperuser@adminemail.com',
            'testadmin123'
        )
        assert user.is_superuser
        assert user.is_staff

    def test_create_group(self):
        Group.objects.create(name='Group1')
        assert Group.objects.count() == 1