Refactor cart tests for data-driven testing

tests/conftest.py

@@ -94,6 +94,27 @@ def page(context):
     page_instance.close()
 
 
+@pytest.fixture(scope="function")
+def authenticated_page(page, config, test_data):
+    """
+    Create a new page and authenticate a valid user.
+    This fixture is used by tests that require an already authenticated SauceDemo session.
+    """
+    from pages.login_page import LoginPage
+
+    login_page = LoginPage(page)
+
+    # Navigate to application
+    login_page.navigate(config.get("application.base_url"))
+
+    # Retrieve the first valid user from test data
+    valid_user = test_data.get("users.valid_user")[0]
+
+    # Login with valid credentials
+    login_page.login(username=valid_user["username"], password=valid_user["password"])
+    return page
+
+
 @pytest.fixture(scope="session")
 def test_data():
     """

tests/e2e/test_cart.py

@@ -1,6 +1,6 @@
 from pages.cart_page import CartPage
 from pages.inventory_page import InventoryPage
-from pages.login_page import LoginPage
+# from pages.login_page import LoginPage
 import pytest
 import allure
 import json
@@ -27,25 +27,25 @@ def load_inventory_test_data():
 @pytest.mark.regression
 @pytest.mark.e2e
 @pytest.mark.parametrize("product_data", inventory_test_data.values(), ids=lambda product: product["name"])
-def test_product_is_displayed_in_cart(page, config, test_data, product_data):
+def test_product_is_displayed_in_cart(authenticated_page, product_data):
     """
     Verify that each selected product appears in the shopping cart.
     """
 
-    with allure.step("Navigate to SauceDemo application"):
-        login_page = LoginPage(page)
-        login_page.navigate(config.get("application.base_url"))
+    # with allure.step("Navigate to SauceDemo application"):
+    #     login_page = LoginPage(page)
+    #     login_page.navigate(config.get("application.base_url"))
 
-    with allure.step("Retrieve valid user credentials"):
-        valid_user = test_data.get("users.valid_user")[0]
-        username = valid_user["username"]
-        password = valid_user["password"]
+    # with allure.step("Retrieve valid user credentials"):
+    #     valid_user = test_data.get("users.valid_user")[0]
+    #     username = valid_user["username"]
+    #     password = valid_user["password"]
 
-    with allure.step("Login with valid credentials"):
-        login_page.login(username=username, password=password)
+    # with allure.step("Login with valid credentials"):
+    #     login_page.login(username=username, password=password)
 
     with allure.step("Verify inventory page is loaded"):
-        inventory_page = InventoryPage(page)
+        inventory_page = InventoryPage(authenticated_page)
         assert inventory_page.is_loaded()
 
     with allure.step(f"Retrieve product name: {product_data['name']}"):
@@ -58,7 +58,7 @@ def test_product_is_displayed_in_cart(page, config, test_data, product_data):
         inventory_page.open_cart()
 
     with allure.step("Verify cart page is loaded"):
-        cart_page = CartPage(page)
+        cart_page = CartPage(authenticated_page)
         assert cart_page.is_loaded()
 
     with allure.step(f"Verify '{product_name}' is present in cart"):

tests/e2e/test_checkout.py

@@ -3,7 +3,7 @@
 from pages.checkout_overview_page import CheckoutOverviewPage
 from pages.checkout_page import CheckoutPage
 from pages.inventory_page import InventoryPage
-from pages.login_page import LoginPage
+# from pages.login_page import LoginPage
 import pytest
 import allure
 import json
@@ -58,25 +58,25 @@ def load_product_test_data():
 @pytest.mark.regression
 @pytest.mark.e2e
 @pytest.mark.parametrize("product_data, customer_data", checkout_test_cases, ids=checkout_test_ids)
-def test_complete_checkout_flow(page, config, test_data, product_data, customer_data):
+def test_complete_checkout_flow(authenticated_page, product_data, customer_data):
     """
     Verify that a user can complete a complete product purchase flow using data-driven product and customer combinations.
     """
 
-    with allure.step("Navigate to SauceDemo application"):
-        login_page = LoginPage(page)
-        login_page.navigate(config.get("application.base_url"))
+    # with allure.step("Navigate to SauceDemo application"):
+    #     login_page = LoginPage(page)
+    #     login_page.navigate(config.get("application.base_url"))
 
-    with allure.step("Retrieve valid user credentials"):
-        valid_user = test_data.get("users.valid_user")[0]
-        username = valid_user["username"]
-        password = valid_user["password"]
+    # with allure.step("Retrieve valid user credentials"):
+    #     valid_user = test_data.get("users.valid_user")[0]
+    #     username = valid_user["username"]
+    #     password = valid_user["password"]
 
-    with allure.step(f"Login with user: {valid_user['test_id']}"):
-        login_page.login(username=username, password=password)
+    # with allure.step(f"Login with user: {valid_user['test_id']}"):
+    #     login_page.login(username=username, password=password)
 
     with allure.step("Verify inventory page is loaded"):
-        inventory_page = InventoryPage(page)
+        inventory_page = InventoryPage(authenticated_page)
         assert inventory_page.is_loaded()
 
     with allure.step(f"Retrieve product name: {product_data['name']}"):
@@ -89,7 +89,7 @@ def test_complete_checkout_flow(page, config, test_data, product_data, customer_
         inventory_page.open_cart()
 
     with allure.step("Verify cart page is loaded"):
-        cart_page = CartPage(page)
+        cart_page = CartPage(authenticated_page)
         assert cart_page.is_loaded()
 
     with allure.step(f"Verify {product_name} is present in cart"):
@@ -99,7 +99,7 @@ def test_complete_checkout_flow(page, config, test_data, product_data, customer_
         cart_page.click_checkout()
 
     with allure.step("Verify checkout information page is loaded"):
-        checkout_page = CheckoutPage(page)
+        checkout_page = CheckoutPage(authenticated_page)
         assert checkout_page.is_loaded()
 
     with allure.step(f"Enter customer information for {customer_data['test_id']}"):
@@ -109,7 +109,7 @@ def test_complete_checkout_flow(page, config, test_data, product_data, customer_
         checkout_page.click_continue()
 
     with allure.step("Verify checkout overview page is loaded"):
-        checkout_overview_page = CheckoutOverviewPage(page)
+        checkout_overview_page = CheckoutOverviewPage(authenticated_page)
         assert checkout_overview_page.is_loaded()
 
     with allure.step(f"Verify {product_name} is present in order"):
@@ -119,6 +119,6 @@ def test_complete_checkout_flow(page, config, test_data, product_data, customer_
         checkout_overview_page.click_finish()
 
     with allure.step("Verify order confirmation message"):
-        checkout_complete_page = CheckoutCompletePage(page)
+        checkout_complete_page = CheckoutCompletePage(authenticated_page)
         assert (checkout_complete_page.get_confirmation_message() == "Thank you for your order!")
 

tests/e2e/test_inventory.py

@@ -1,5 +1,5 @@
 from pages.inventory_page import InventoryPage
-from pages.login_page import LoginPage
+# from pages.login_page import LoginPage
 import pytest
 import allure
 import json
@@ -28,25 +28,25 @@ def load_inventory_test_data():
 @pytest.mark.smoke
 @pytest.mark.e2e
 @pytest.mark.parametrize("product_data", inventory_test_data.values(), ids=lambda product: product["name"])
-def test_add_product_to_cart(page, config, test_data, product_data):
+def test_add_product_to_cart(authenticated_page, product_data):
     """
     Verify that a user can add different products to the shopping cart.
     """
 
-    with allure.step("Navigate to SauceDemo application"):
-        login_page = LoginPage(page)
-        login_page.navigate(config.get("application.base_url"))
+    # with allure.step("Navigate to SauceDemo application"):
+    #     login_page = LoginPage(page)
+    #     login_page.navigate(config.get("application.base_url"))
 
-    with allure.step("Retrieve valid user credentials"):
-        valid_user = test_data.get("users.valid_user")[0]
-        username = valid_user["username"]
-        password = valid_user["password"]
+    # with allure.step("Retrieve valid user credentials"):
+    #     valid_user = test_data.get("users.valid_user")[0]
+    #     username = valid_user["username"]
+    #     password = valid_user["password"]
 
-    with allure.step("Login with valid credentials"):
-        login_page.login(username=username, password=password)
+    # with allure.step("Login with valid credentials"):
+    #     login_page.login(username=username, password=password)
 
     with allure.step("Verify inventory page is loaded"):
-        inventory_page = InventoryPage(page)
+        inventory_page = InventoryPage(authenticated_page)
         assert inventory_page.is_loaded()
 
     with allure.step(f"Retrieve product name: {product_data['name']}"):