import pytest
from app import app


# set up a test client for the Flask app.
# configure the app for testing and provides a client to make requests.
@pytest.fixture
def client():
    app.config['TESTING'] = True
    with app.test_client() as client:
        yield client


# test checks that the home page ('/') loads successfully
# and contains the word 'Welcome' in the response.
def test_home_page(client):
    response = client.get('/')  # Send GET request to home page
    assert response.status_code == 200  # Page should load successfully
    assert b"Welcome" in response.data  # Page should contain 'Welcome'