test_app.py

import pytest
from app import app, calculate_target_calories

@pytest.fixture
def client():
    app.config['TESTING'] = True
    app.secret_key = 'test_secret'
    with app.test_client() as client:
        yield client

def test_home_page(client):
    """Test that the landing page loads correctly."""
    response = client.get('/')
    assert response.status_code == 200
    assert b"SmartFit" in response.data

def test_login_page_loads(client):
    """Test that login page loads."""
    response = client.get('/login')
    assert response.status_code == 200
    assert b"Login" in response.data

def test_calorie_calculator():
    """Test the BMR logic independently."""
    calories = calculate_target_calories(80, 180, 'MAINTAIN', 'MALE')
    assert calories > 1500  
    assert isinstance(calories, int)

def test_dashboard_access_denied(client):
    """Ensure dashboard redirects if not logged in."""
    response = client.get('/dashboard', follow_redirects=True)
    assert b"Login" in response.data