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import pytest
from allauth.account.signals import user_signed_up
from django.contrib.auth import get_user_model
from django.core.exceptions import ValidationError
from django.db import IntegrityError
from django.test import RequestFactory
from alphabetlearning.payments.models import ShoppingCart
from alphabetlearning.payments.models import Subscription
from alphabetlearning.payments.models import SubscriptionPlan
User = get_user_model()
@pytest.fixture
def user_data():
return {"email": "testuser@example.com", "password": "testpassword123"}
@pytest.mark.django_db
def test_subscription_user_unique():
# Ensure the free plan exists
free_plan, _ = SubscriptionPlan.objects.get_or_create(
name="Free Plan",
defaults={
"price": 0,
"description": "Free plan description",
"allowed_downloads": 10,
},
)
# Create a new user
user_data = {"email": "testuser@example.com", "password": "testpassword123"}
user = User.objects.create_user(**user_data) # type: ignore
# Create a subscription for the user
Subscription.objects.create(user=user, plan=free_plan)
# Try to create another subscription for the same user
with pytest.raises(IntegrityError):
Subscription.objects.create(user=user, plan=free_plan)
@pytest.mark.django_db
def test_user_signup_assigns_free_subscription(user_data):
# Ensure the free plan exists
free_plan, _ = SubscriptionPlan.objects.get_or_create(
name="Free Plan",
defaults={
"price": 0,
"description": "Free plan description",
"allowed_downloads": 10,
},
) # Create a new user
user = User.objects.create_user(**user_data) # type: ignore
# Manually trigger the user_signed_up signal
request = RequestFactory().get("/")
user_signed_up.send(sender=user.__class__, request=request, user=user)
# Check if a SubscriptionPlan was created for the user
subscription = user.subscription
assert subscription is not None
# Check if the assigned plan is the free plan
assert subscription.plan == free_plan
# Additional assertions can be added here to check other properties
# of the SubscriptionPlan or Subscription as needed
@pytest.mark.django_db
def test_shopping_cart_is_created_when_user_is_created(user_data):
user = User.objects.create_user(**user_data) # type: ignore
request = RequestFactory().get("/")
user_signed_up.send(sender=user.__class__, request=request, user=user)
shopping_cart = ShoppingCart.objects.get(user=user)
assert shopping_cart is not None
assert str(shopping_cart) == "Shopping cart for {}".format(user.email)
# When the user adds a `Resource` to their cart, create a new `CartItem` instance and associate it with the user's `ShoppingCart` and the selected `Resource`.
@pytest.mark.django_db
def test_cart_item_is_created_when_resource_is_added_to_cart(user_data, resource):
user = User.objects.create_user(**user_data) # type: ignore
request = RequestFactory().get("/")
user_signed_up.send(sender=user.__class__, request=request, user=user)
users_cart = ShoppingCart.objects.get(user=user)
users_cart.add_resource(resource)
assert users_cart.items.count() == 1 # type: ignore
@pytest.mark.django_db
def test_cannot_add_the_same_resource_to_cart_twice(user_data, resource):
user = User.objects.create_user(**user_data) # type: ignore
request = RequestFactory().get("/")
user_signed_up.send(sender=user.__class__, request=request, user=user)
users_cart = ShoppingCart.objects.get(user=user)
users_cart.add_resource(resource)
assert users_cart.items.count() == 1 # type: ignore
with pytest.raises(ValidationError):
users_cart.add_resource(resource)
@pytest.mark.django_db
def test_can_add_multiple_different_items_to_cart(user_data, resources):
user = User.objects.create_user(**user_data) # type: ignore
request = RequestFactory().get("/")
user_signed_up.send(sender=user.__class__, request=request, user=user)
users_cart = ShoppingCart.objects.get(user=user)
users_cart.add_resource(resources[0])
users_cart.add_resource(resources[1])
users_cart.add_resource(resources[2])
users_cart.add_resource(resources[3])
assert users_cart.items.count() == 4 # type: ignore
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