Add basic unit tests for Flask app

test_app.py

@@ -0,0 +1,21 @@
+import pytest
+from app import app
+
+# ✅ Basic test to ensure the Flask app starts successfully
+@pytest.fixture
+def client():
+    app.testing = True
+    with app.test_client() as client:
+        yield client
+
+
+def test_home_route(client):
+    """Test that the home route returns 200 OK"""
+    response = client.get('/')
+    assert response.status_code == 200
+
+
+def test_weather_page_content(client):
+    """Check if page contains expected content"""
+    response = client.get('/')
+    assert b"Weather" in response.data or b"temperature" in response.data