import pytest

from rest_framework.test import APIClient

@pytest.mark.django_db

class TestUserAPI:

"""Tests for users/api.py"""

def test_login_with_invalid_credentials(self, api_client):

"""Test login with wrong credentials returns 400"""

response = api_client.post(

"/api/login/",

{"username": "nonexistent", "password": "wrongpassword"},

format="json",

)

# Should return 400 (Bad Request) or 401 (Unauthorized)

assert response.status_code in [

400,

401,

], f"Expected 400/401, got {response.status_code}"

assert "error" in response.data or "detail" in response.data

def test_login_without_credentials(self, api_client):

"""Test login without required fields"""

response = api_client.post("/api/login/", {}, format="json")

# Should return 400 with validation errors

assert response.status_code == 400, f"Expected 400, got {response.status_code}"

assert "username" in response.data or "password" in response.data