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fixup! WIP

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This commit is contained in:
Oystein Kristoffer Tveit
2025-06-11 20:01:11 +02:00
parent 745db277ec
commit 3c9bca8b55
35 changed files with 1467 additions and 1010 deletions
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2
tests/conftest.py
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@@ -5,6 +5,7 @@ from sqlalchemy.orm import Session
from dibbler.models import Base
def pytest_addoption(parser):
parser.addoption(
"--echo",
@@ -12,6 +13,7 @@ def pytest_addoption(parser):
help="Enable SQLAlchemy echo mode for debugging",
)
@pytest.fixture(scope="function")
def sql_session(request):
"""Create a new SQLAlchemy session for testing."""

0
tests/models/__init__.py Normal file
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32
tests/models/test_product.py Normal file
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@@ -0,0 +1,32 @@
import pytest
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product
def insert_test_data(sql_session: Session) -> Product:
product = Product("1234567890123", "Test Product")
sql_session.add(product)
sql_session.commit()
return product
def test_product_no_duplicate_barcodes(sql_session: Session):
product = insert_test_data(sql_session)
duplicate_product = Product(product.bar_code, "Hehe >:)")
sql_session.add(duplicate_product)
with pytest.raises(IntegrityError):
sql_session.commit()
def test_product_no_duplicate_names(sql_session: Session):
product = insert_test_data(sql_session)
duplicate_product = Product("1918238911928", product.name)
sql_session.add(duplicate_product)
with pytest.raises(IntegrityError):
sql_session.commit()

73
tests/models/test_transaction.py Normal file
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@@ -0,0 +1,73 @@
from datetime import datetime
import pytest
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
def insert_test_data(sql_session: Session) -> tuple[User, Product]:
user = User("Test User")
product = Product("1234567890123", "Test Product")
sql_session.add(user)
sql_session.add(product)
sql_session.commit()
return user, product
def test_transaction_no_duplicate_timestamps(sql_session: Session):
user, _ = insert_test_data(sql_session)
transaction1 = Transaction.adjust_balance(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
amount=100,
)
sql_session.add(transaction1)
sql_session.commit()
transaction2 = Transaction.adjust_balance(
time=transaction1.time,
user_id=user.id,
amount=-50,
)
sql_session.add(transaction2)
with pytest.raises(IntegrityError):
sql_session.commit()
def test_transaction_buy_product_wrong_amount(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
# Set price by adding a product
transaction = Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
# Attempt to buy product with wrong amount
transaction2 = Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 1),
user_id=user.id,
product_id=product.id,
amount=(27 * 2) + 1, # Wrong amount
product_count=2,
)
sql_session.add(transaction2)
with pytest.raises(ValueError):
sql_session.commit()

72
tests/models/test_user.py Normal file
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@@ -0,0 +1,72 @@
from datetime import datetime
import pytest
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
def insert_test_data(sql_session: Session) -> User:
user = User("Test User")
sql_session.add(user)
sql_session.commit()
return user
def test_ensure_no_duplicate_user_names(sql_session: Session):
user = insert_test_data(sql_session)
user2 = User(user.name)
sql_session.add(user2)
with pytest.raises(IntegrityError):
sql_session.commit()
def test_user_transactions(sql_session: Session):
user = insert_test_data(sql_session)
product = Product("1234567890123", "Test Product")
user2 = User("Test User 2")
sql_session.add_all([product, user2])
sql_session.commit()
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 0),
amount=100,
user_id=user.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 1),
amount=50,
user_id=user2.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 2),
amount=-50,
user_id=user.id,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user.id,
product_id=product.id,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 1),
amount=27,
product_count=1,
user_id=user2.id,
product_id=product.id,
),
]
sql_session.add_all(transactions)
assert len(user.transactions(sql_session)) == 3
assert len(user2.transactions(sql_session)) == 2

0
tests/queries/__init__.py Normal file
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184
tests/queries/test_buy_product.py Normal file
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@@ -0,0 +1,184 @@
import math
from datetime import datetime
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.queries.buy_product import buy_product
from dibbler.queries.product_stock import product_stock
from dibbler.queries.user_balance import user_balance
def insert_test_data(sql_session: Session) -> tuple[User, Product]:
user = User("Test User")
product = Product("1234567890123", "Test Product")
sql_session.add(user)
sql_session.add(product)
sql_session.commit()
transactions = [
Transaction.adjust_penalty(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
penalty_multiplier_percent=200,
penalty_threshold=-100,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 1),
user_id=user.id,
amount=100,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 2),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
return user, product
def test_buy_product_basic(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 12, 0, 0),
user=user,
product=product,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
def test_buy_product_with_penalty(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
amount=-200,
)
]
sql_session.add_all(transactions)
sql_session.commit()
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 12, 0, 0),
user=user,
product=product,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
assert user_balance(sql_session, user) == 100 + 27 - 200 - (27 * 2)
def test_buy_product_with_interest(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
interest_rate_percent=110,
)
]
sql_session.add_all(transactions)
sql_session.commit()
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 12, 0, 0),
user=user,
product=product,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
assert user_balance(sql_session, user) == 100 + 27 - math.ceil(27 * 1.1)
def test_buy_product_with_changing_penalty(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
amount=-200,
)
]
sql_session.add_all(transactions)
sql_session.commit()
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 12, 0, 0),
user=user,
product=product,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
assert user_balance(sql_session, user) == 100 + 27 - 200 - (27 * 2)
adjust_penalty = Transaction.adjust_penalty(
time=datetime(2023, 10, 1, 13, 0, 0),
user_id=user.id,
penalty_multiplier_percent=300,
penalty_threshold=-100,
)
sql_session.add(adjust_penalty)
sql_session.commit()
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 14, 0, 0),
user=user,
product=product,
product_count=1,
)
sql_session.add(transaction)
sql_session.commit()
assert user_balance(sql_session, user) == 100 + 27 - 200 - (27 * 2) - (27 * 3)
def test_buy_product_with_changing_interest(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_buy_product_with_penalty_interest_combined(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_buy_product_more_than_stock(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transaction = buy_product(
sql_session=sql_session,
time=datetime(2023, 10, 1, 13, 0, 0),
product_count=10,
user=user,
product=product,
)
sql_session.add(transaction)
sql_session.commit()
assert product_stock(sql_session, product) == 1 - 10

173
tests/queries/test_product_price.py Normal file
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@@ -0,0 +1,173 @@
from datetime import datetime
from sqlalchemy import select
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.queries.product_price import product_price
def insert_test_data(sql_session: Session) -> None:
# Add users
user1 = User("Test User 1")
user2 = User("Test User 2")
sql_session.add_all([user1, user2])
sql_session.commit()
# Add products
product1 = Product("1234567890123", "Test Product 1")
product2 = Product("9876543210987", "Test Product 2")
product3 = Product("1111111111111", "Test Product 3")
sql_session.add_all([product1, product2, product3])
sql_session.commit()
# Add transactions
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 0),
amount=100,
user_id=user1.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 1),
amount=50,
user_id=user2.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 2),
amount=-50,
user_id=user1.id,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user1.id,
product_id=product1.id,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 1),
amount=27,
product_count=1,
user_id=user2.id,
product_id=product1.id,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 12, 0, 2),
product_count=3,
user_id=user1.id,
product_id=product1.id,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 12, 0, 3),
product_count=-2,
user_id=user1.id,
product_id=product1.id,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 4),
amount=50,
per_product=50,
product_count=1,
user_id=user1.id,
product_id=product3.id,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 5),
amount=50,
product_count=1,
user_id=user1.id,
product_id=product3.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 12, 0, 6),
amount=1000,
user_id=user1.id,
),
]
sql_session.add_all(transactions)
sql_session.commit()
def test_product_price(sql_session: Session) -> None:
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
assert product_price(sql_session, product1) == 27
def test_product_price_no_transactions(sql_session: Session) -> None:
insert_test_data(sql_session)
product2 = sql_session.scalars(select(Product).where(Product.name == "Test Product 2")).one()
assert product_price(sql_session, product2) == 0
def test_product_price_sold_out(sql_session: Session) -> None:
insert_test_data(sql_session)
product3 = sql_session.scalars(select(Product).where(Product.name == "Test Product 3")).one()
assert product_price(sql_session, product3) == 50
def test_product_price_interest(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_product_price_changing_interest(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
# Price goes up and gets rounded up to the next integer
def test_product_price_round_up_from_below(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
# Price goes down and gets rounded up to the next integer
def test_product_price_round_up_from_above(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_product_price_with_negative_stock_single_addition(sql_session: Session) -> None:
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
transaction = Transaction.buy_product(
time=datetime(2023, 10, 1, 13, 0, 0),
amount=27 * 5,
product_count=10,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
product1_price = product_price(sql_session, product1)
assert product1_price == 27
transaction = Transaction.add_product(
time=datetime(2023, 10, 1, 13, 0, 1),
amount=22,
per_product=22,
product_count=1,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
# Stock went subzero, price should be the last added product price
product1_price = product_price(sql_session, product1)
assert product1_price == 22
# TODO: what happens when stock is still negative and yet new products are added?
def test_product_price_with_negative_stock_multiple_additions(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")

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tests/queries/test_product_stock.py Normal file
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from datetime import datetime
from sqlalchemy import select
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.queries.product_stock import product_stock
def insert_test_data(sql_session: Session) -> None:
user1 = User("Test User 1")
sql_session.add(user1)
sql_session.commit()
def test_product_stock_basic_history(sql_session: Session) -> None:
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
product = Product("1234567890123", "Test Product")
sql_session.add(product)
sql_session.commit()
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=10,
per_product=10,
user_id=user1.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product) == 1
def test_product_stock_complex_history(sql_session: Session) -> None:
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
product = Product("1234567890123", "Test Product")
sql_session.add(product)
sql_session.commit()
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 13, 0, 0),
amount=27 * 2,
per_product=27,
user_id=user1.id,
product_id=product.id,
product_count=2,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 13, 0, 1),
amount=27 * 3,
user_id=user1.id,
product_id=product.id,
product_count=3,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 13, 0, 2),
amount=50 * 4,
per_product=50,
user_id=user1.id,
product_id=product.id,
product_count=4,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 15, 0, 0),
user_id=user1.id,
product_id=product.id,
product_count=3,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 15, 0, 1),
user_id=user1.id,
product_id=product.id,
product_count=-2,
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product) == 2 - 3 + 4 + 3 - 2
def test_product_stock_no_transactions(sql_session: Session) -> None:
insert_test_data(sql_session)
product = Product("1234567890123", "Test Product")
sql_session.add(product)
sql_session.commit()
assert product_stock(sql_session, product) == 0
def test_negative_product_stock(sql_session: Session) -> None:
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
product = Product("1234567890123", "Test Product")
sql_session.add(product)
sql_session.commit()
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 14, 0, 0),
amount=50,
per_product=50,
user_id=user1.id,
product_id=product.id,
product_count=1,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 14, 0, 1),
amount=50,
user_id=user1.id,
product_id=product.id,
product_count=2,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 16, 0, 0),
user_id=user1.id,
product_id=product.id,
product_count=-1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
# The stock should be negative because we added and bought the product
assert product_stock(sql_session, product) == 1 - 2 - 1

12
tests/queries/test_transfer_balance.py Normal file
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@@ -0,0 +1,12 @@
from sqlalchemy.orm import Session
def test_user_not_allowed_to_transfer_to_self(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
# insert_test_data(sql_session)
# ...
# user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
# with pytest.raises(ValueError, match="Cannot transfer to self"):
# user1.transfer(sql_session, user1, 10) # Attempting to transfer to self

103
tests/queries/test_user_balance.py Normal file
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@@ -0,0 +1,103 @@
from datetime import datetime
from sqlalchemy import select
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.queries.user_balance import user_balance
def insert_test_data(sql_session: Session) -> None:
# Add users
user1 = User("Test User 1")
user2 = User("Test User 2")
sql_session.add(user1)
sql_session.add(user2)
sql_session.commit()
# Add products
product1 = Product("1234567890123", "Test Product 1")
product2 = Product("9876543210987", "Test Product 2")
sql_session.add(product1)
sql_session.add(product2)
sql_session.commit()
# Add transactions
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 0),
amount=100,
user_id=user1.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 1),
amount=50,
user_id=user2.id,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 2),
amount=-50,
user_id=user1.id,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user1.id,
product_id=product1.id,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 1),
amount=27,
product_count=1,
user_id=user2.id,
product_id=product1.id,
),
]
sql_session.add_all(transactions)
sql_session.commit()
def test_user_balance_basic_history(sql_session: Session) -> None:
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
user2 = sql_session.scalars(select(User).where(User.name == "Test User 2")).one()
assert user_balance(sql_session, user1) == 100 - 50 + 27 * 2
assert user_balance(sql_session, user2) == 50 - 27
def test_user_balance_no_transactions(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_complex_history(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_with_tranfers(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_penalty(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_changing_penalty(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_interest(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_changing_interest(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")
def test_user_balance_penalty_interest_combined(sql_session: Session) -> None:
raise NotImplementedError("This test is not implemented yet.")

216
tests/test_product.py
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@@ -1,216 +0,0 @@
from datetime import datetime
import pytest
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, TransactionType, User
def insert_test_data(sql_session: Session) -> None:
# Add users
user1 = User("Test User 1")
user2 = User("Test User 2")
sql_session.add_all([user1, user2])
sql_session.commit()
# Add products
product1 = Product("1234567890123", "Test Product 1")
product2 = Product("9876543210987", "Test Product 2")
product3 = Product("1111111111111", "Test Product 3")
sql_session.add_all([product1, product2, product3])
sql_session.commit()
# Add transactions
transactions = [
Transaction(
time=datetime(2023, 10, 1, 10, 0, 0),
type_=TransactionType.ADJUST_BALANCE,
amount=100,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 1),
type_=TransactionType.ADJUST_BALANCE,
amount=50,
user_id=user2.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 2),
type_=TransactionType.ADJUST_BALANCE,
amount=-50,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 0),
type_=TransactionType.ADD_PRODUCT,
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user1.id,
product_id=product1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 1),
type_=TransactionType.BUY_PRODUCT,
amount=27,
product_count=1,
user_id=user2.id,
product_id=product1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 2),
type_=TransactionType.ADD_PRODUCT,
amount=50,
per_product=50,
product_count=1,
user_id=user1.id,
product_id=product3.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 3),
type_=TransactionType.BUY_PRODUCT,
amount=50,
product_count=1,
user_id=user1.id,
product_id=product3.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 4),
type_=TransactionType.ADJUST_BALANCE,
amount=1000,
user_id=user1.id,
),
]
sql_session.add_all(transactions)
sql_session.commit()
# Note: These constructors depend on the content of the previous transactions,
# so they cannot be part of the initial transaction list.
transaction = Transaction.adjust_stock_auto_amount(
sql_session=sql_session,
time=datetime(2023, 10, 1, 13, 0, 0),
product_count=3,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
transaction = Transaction.adjust_stock_auto_amount(
sql_session=sql_session,
time=datetime(2023, 10, 1, 13, 0, 1),
product_count=-2,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
def test_no_duplicate_products(sql_session: Session):
insert_test_data(sql_session)
product1 = Product("1234567890123", "Test Product 1")
sql_session.add(product1)
with pytest.raises(IntegrityError):
sql_session.commit()
def test_product_stock(sql_session: Session):
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
product2 = sql_session.scalars(select(Product).where(Product.name == "Test Product 2")).one()
assert product1.stock(sql_session) == 2 - 1 + 3 - 2
assert product2.stock(sql_session) == 0
def test_product_price(sql_session: Session):
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
assert product1.price(sql_session) == 27
def test_product_no_transactions_price(sql_session: Session):
insert_test_data(sql_session)
product2 = sql_session.scalars(select(Product).where(Product.name == "Test Product 2")).one()
assert product2.price(sql_session) == 0
def test_product_sold_out_price(sql_session: Session):
insert_test_data(sql_session)
product3 = sql_session.scalars(select(Product).where(Product.name == "Test Product 3")).one()
assert product3.price(sql_session) == 50
def test_allowed_to_buy_more_than_stock(sql_session: Session):
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
transaction = Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 6),
amount = 27 * 5,
product_count=10,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
product1_stock = product1.stock(sql_session)
assert product1_stock < 0 # Should be negative, as we bought more than available stock
product1_price = product1.price(sql_session)
assert product1_price == 27 # Price should remain the same, as it is based on previous transactions
transaction = Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 8),
amount=22,
per_product=22,
product_count=1,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
product1_price = product1.price(sql_session)
assert product1_price == 22 # Price should now be updated to the new price of the added product
def test_not_allowed_to_buy_with_incorrect_amount(sql_session: Session):
insert_test_data(sql_session)
product1 = sql_session.scalars(select(Product).where(Product.name == "Test Product 1")).one()
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
product1_price = product1.price(sql_session)
with pytest.raises(IntegrityError):
transaction = Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 7),
amount= product1_price * 4 + 1, # Incorrect amount
product_count=4,
user_id=user1.id,
product_id=product1.id,
)
sql_session.add(transaction)
sql_session.commit()
def test_not_allowed_to_buy_with_too_little_balance(sql_session: Session):
...

97
tests/test_transaction.py
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@@ -1,97 +0,0 @@
from datetime import datetime
import pytest
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, TransactionType, User
def insert_test_data(sql_session: Session) -> None:
# Add users
user1 = User("Test User 1")
user2 = User("Test User 2")
sql_session.add(user1)
sql_session.add(user2)
sql_session.commit()
# Add products
product1 = Product("1234567890123", "Test Product 1")
product2 = Product("9876543210987", "Test Product 2")
sql_session.add(product1)
sql_session.add(product2)
sql_session.commit()
# Add transactions
transactions = [
Transaction(
time=datetime(2023, 10, 1, 10, 0, 0),
type_=TransactionType.ADJUST_BALANCE,
amount=100,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 1),
type_=TransactionType.ADJUST_BALANCE,
amount=50,
user_id=user2.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 2),
type_=TransactionType.ADJUST_BALANCE,
amount=-50,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 0),
type_=TransactionType.ADD_PRODUCT,
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user1.id,
product_id=product1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 1),
type_=TransactionType.BUY_PRODUCT,
amount=27,
product_count=1,
user_id=user2.id,
product_id=product1.id,
),
]
sql_session.add_all(transactions)
sql_session.commit()
def test_no_duplicate_timestamps(sql_session: Session):
"""
Ensure that no two transactions have the same timestamp.
"""
# Insert test data
insert_test_data(sql_session)
user1 = sql_session.scalar(
select(User).where(User.name == "Test User 1")
)
assert user1 is not None, "Test User 1 should exist"
transaction_to_duplicate = sql_session.scalar(
select(Transaction).limit(1)
)
assert transaction_to_duplicate is not None, "There should be at least one transaction"
duplicate_timestamp_transaction = Transaction.adjust_balance(
time=transaction_to_duplicate.time, # Use the same timestamp as an existing transaction
amount=50,
user_id=user1.id,
)
with pytest.raises(IntegrityError):
sql_session.add(duplicate_timestamp_transaction)
sql_session.commit()

108
tests/test_user.py
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@@ -1,108 +0,0 @@
from datetime import datetime
import pytest
from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, TransactionType, User
def insert_test_data(sql_session: Session) -> None:
# Add users
user1 = User("Test User 1")
user2 = User("Test User 2")
sql_session.add(user1)
sql_session.add(user2)
sql_session.commit()
# Add products
product1 = Product("1234567890123", "Test Product 1")
product2 = Product("9876543210987", "Test Product 2")
sql_session.add(product1)
sql_session.add(product2)
sql_session.commit()
# Add transactions
transactions = [
Transaction(
time=datetime(2023, 10, 1, 10, 0, 0),
type_=TransactionType.ADJUST_BALANCE,
amount=100,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 1),
type_=TransactionType.ADJUST_BALANCE,
amount=50,
user_id=user2.id,
),
Transaction(
time=datetime(2023, 10, 1, 10, 0, 2),
type_=TransactionType.ADJUST_BALANCE,
amount=-50,
user_id=user1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 0),
type_=TransactionType.ADD_PRODUCT,
amount=27 * 2,
per_product=27,
product_count=2,
user_id=user1.id,
product_id=product1.id,
),
Transaction(
time=datetime(2023, 10, 1, 12, 0, 1),
type_=TransactionType.BUY_PRODUCT,
amount=27,
product_count=1,
user_id=user2.id,
product_id=product1.id,
),
]
sql_session.add_all(transactions)
sql_session.commit()
def test_ensure_no_duplicate_users(sql_session: Session):
insert_test_data(sql_session)
user1 = User("Test User 1")
sql_session.add(user1)
with pytest.raises(IntegrityError):
sql_session.commit()
def test_user_credit(sql_session: Session):
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
user2 = sql_session.scalars(select(User).where(User.name == "Test User 2")).one()
assert user1.credit(sql_session) == 100 - 50 + 27 * 2
assert user2.credit(sql_session) == 50 - 27
def test_user_transactions(sql_session: Session):
insert_test_data(sql_session)
user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
user2 = sql_session.scalars(select(User).where(User.name == "Test User 2")).one()
user1_transactions = user1.transactions(sql_session)
user2_transactions = user2.transactions(sql_session)
assert len(user1_transactions) == 3
assert len(user2_transactions) == 2
def test_user_not_allowed_to_transfer_to_self(sql_session: Session):
insert_test_data(sql_session)
...
# user1 = sql_session.scalars(select(User).where(User.name == "Test User 1")).one()
# with pytest.raises(ValueError, match="Cannot transfer to self"):
# user1.transfer(sql_session, user1, 10) # Attempting to transfer to self