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