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