Started on making functional unit tests for endpoints

tests/functional/test_homepage.py

@@ -0,0 +1,41 @@
+from app import app
+from flask.testing import FlaskClient
+import pytest
+import os
+
+
+@pytest.fixture(scope="module")
+def test_client() -> FlaskClient:
+    """ Test that required environment variables are set
+        ahead of runtime
+    """
+    os.environ['CONFIG_TYPE'] = 'config.TestingConfig'
+
+    with app.test_client() as testing_client:
+        with app.app_context():
+            yield testing_client
+
+
+def test_homepage(test_client: FlaskClient):
+    """ Tests that the main homepage loads correctly
+        once the '/' endpoint is hit
+    """
+    response = test_client.get('/')
+    assert response.status_code == 302
+
+    response = test_client.get('/products')
+    assert response.status_code == 308
+
+
+def test_products(test_client: FlaskClient):
+    """ Tests that a product page is displayed when
+        hitting one of the product endpoints
+    """
+    response = test_client.get('/products/2')
+    assert response.status_code == 200
+
+    response = test_client.get('/products/50')
+    assert response.status_code == 302
+
+    response = test_client.get('/products/Books')
+    assert response.status_code == 200