"""E2E tests for user authentication - Login flow.
These tests use Playwright in SYNC mode to test the login functionality
from a real browser perspective, ensuring the full stack works correctly.
IMPORTANT: These tests run in SYNC mode (not async) to avoid
pytest-asyncio conflicts with Django ORM operations.
"""
import pytest
from playwright.sync_api import Page
@pytest.mark.e2e
@pytest.mark.django_db(transaction=True)
class TestLoginE2E:
"""End-to-end tests for user login using Playwright."""
def test_login_with_valid_credentials_success(self, page: Page, live_server_url: str):
"""
Test E2E-AUTH-01: User can log in with valid credentials.
Given: User 'admin' exists with password 'admin123'
When: User navigates to login page and enters valid credentials
Then: User is redirected to dashboard and sees welcome message
"""
# Navigate to login page
page.goto(f"{live_server_url}/auth/user/login/")
# Verify we're on the login page
assert "Login" in page.title()
# Fill in login form
page.fill('input[name="username"]', 'admin')
page.fill('input[name="password"]', 'admin123')
# Submit the form
page.click('button[type="submit"]')
# Wait for navigation to complete
page.wait_for_load_state('networkidle')
# Verify successful login - should be on dashboard or redirected
assert page.url.startswith(live_server_url)
# Check that we're not on the login page anymore
assert '/auth/user/login/' not in page.url
def test_login_with_invalid_credentials_shows_error(self, page: Page, live_server_url: str):
"""
Test E2E-AUTH-02: Login with invalid credentials shows error.
Given: User is on login page
When: User enters invalid credentials
Then: Error message is displayed and user stays on login page
"""
# Navigate to login page
page.goto(f"{live_server_url}/auth/user/login/")
# Fill in login form with invalid credentials
page.fill('input[name="username"]', 'invalid_user')
page.fill('input[name="password"]', 'wrongpassword')
# Submit the form
page.click('button[type="submit"]')
# Wait for page to reload/respond
page.wait_for_load_state('networkidle')
# Verify we're still on the login page
assert '/auth/user/login/' in page.url
# Verify error message appears (check for common error indicators)
content = page.content()
assert any(text in content.lower() for text in ['error', 'invalid', 'incorrect', 'wrong'])
def test_login_page_displays_form(self, page: Page, live_server_url: str):
"""
Test E2E-AUTH-03: Login page displays login form correctly.
Given: User is on login page
Then: Login form with username and password fields is visible
"""
# Navigate to login page
page.goto(f"{live_server_url}/auth/user/login/")
# Verify form elements are present
assert page.locator('input[name="username"]').is_visible()
assert page.locator('input[name="password"]').is_visible()
assert page.locator('button[type="submit"]').is_visible()
