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Write a set of queries to go along with the event sourcing model

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Oystein Kristoffer Tveit
2025-12-10 16:00:36 +09:00
parent 969be02a91
commit f229c5c4d0
34 changed files with 4663 additions and 74 deletions
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tests/queries/test_product_stock.py Normal file
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from datetime import datetime
import pytest
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.queries import joint_buy_product, product_stock
def insert_test_data(sql_session: Session) -> tuple[User, Product]:
user = User("Test User 1")
product = Product("1234567890123", "Test Product")
sql_session.add(user)
sql_session.add(product)
sql_session.commit()
return user, product
def test_product_stock_uninitialized_product(sql_session: Session) -> None:
user = User("Test User 1")
sql_session.add(user)
sql_session.commit()
product = Product("1234567890123", "Uninitialized Product")
with pytest.raises(ValueError):
product_stock(sql_session, product)
def test_product_stock_basic_history(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
sql_session.commit()
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=10,
per_product=10,
user_id=user.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_adjust_stock_up(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
user_id=user.id,
product_id=product.id,
amount=50,
per_product=10,
product_count=5,
time=datetime(2024, 1, 1, 10, 0, 0),
),
Transaction.adjust_stock(
user_id=user.id,
product_id=product.id,
product_count=2,
time=datetime(2024, 1, 2, 10, 0, 0),
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product) == 5 + 2
def test_product_stock_adjust_stock_down(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
user_id=user.id,
product_id=product.id,
amount=50,
per_product=10,
product_count=5,
time=datetime(2024, 1, 1, 10, 0, 0),
),
Transaction.adjust_stock(
user_id=user.id,
product_id=product.id,
product_count=-2,
time=datetime(2024, 1, 2, 10, 0, 0),
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product) == 5 - 2
def test_product_stock_complex_history(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 13, 0, 0),
amount=27 * 2,
per_product=27,
user_id=user.id,
product_id=product.id,
product_count=2,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 13, 0, 1),
user_id=user.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=user.id,
product_id=product.id,
product_count=4,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 15, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=3,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 15, 0, 1),
user_id=user.id,
product_id=product.id,
product_count=-2,
),
Transaction.throw_product(
time=datetime(2023, 10, 1, 15, 0, 2),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product) == 2 - 3 + 4 + 3 - 2 - 1
def test_product_stock_no_transactions(sql_session: Session) -> None:
_, product = insert_test_data(sql_session)
assert product_stock(sql_session, product) == 0
def test_negative_product_stock(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 14, 0, 0),
amount=50,
per_product=50,
user_id=user.id,
product_id=product.id,
product_count=1,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 14, 0, 1),
user_id=user.id,
product_id=product.id,
product_count=2,
),
Transaction.adjust_stock(
time=datetime(2023, 10, 1, 16, 0, 0),
user_id=user.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
def test_product_stock_joint_transaction(sql_session: Session) -> None:
user1, product = insert_test_data(sql_session)
user2 = User("Test User 2")
sql_session.add(user2)
sql_session.commit()
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 17, 0, 0),
amount=100,
per_product=100,
user_id=user1.id,
product_id=product.id,
product_count=5,
),
]
sql_session.add_all(transactions)
sql_session.commit()
joint_buy_product(
sql_session,
time=datetime(2023, 10, 1, 17, 0, 1),
instigator=user1,
users=[user1, user2],
product=product,
product_count=3,
)
assert product_stock(sql_session, product) == 5 - 3
def test_product_stock_until(sql_session: Session) -> None:
user, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 12, 0, 0),
amount=10,
per_product=10,
user_id=user.id,
product_id=product.id,
product_count=1,
),
Transaction.add_product(
time=datetime(2023, 10, 2, 12, 0, 0),
amount=20,
per_product=10,
user_id=user.id,
product_id=product.id,
product_count=2,
),
]
sql_session.add_all(transactions)
sql_session.commit()
assert product_stock(sql_session, product, until=datetime(2023, 10, 1, 23, 59, 59)) == 1