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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 b3c9366790
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tests/queries/test_user_balance.py Normal file
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import math
from datetime import datetime
from pprint import pprint
import pytest
from sqlalchemy.orm import Session
from dibbler.models import Product, Transaction, User
from dibbler.models.Transaction import DEFAULT_PENALTY_MULTIPLIER_PERCENTAGE
from dibbler.queries import joint_buy_product, user_balance, user_balance_log
# TODO: see if we can use pytest_runtest_makereport to print the "user_balance_log"s
# only on failures instead of inlining it in every test function
def insert_test_data(sql_session: Session) -> tuple[User, User, User, Product]:
user = User("Test User")
user2 = User("Test User 2")
user3 = User("Test User 3")
product = Product("1234567890123", "Test Product")
sql_session.add_all([user, user2, user3, product])
sql_session.commit()
return user, user2, user3, product
def test_user_balance_no_transactions(sql_session: Session) -> None:
user, *_ = insert_test_data(sql_session)
pprint(user_balance_log(sql_session, user))
balance = user_balance(sql_session, user)
assert balance == 0
def test_user_balance_basic_history(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
amount=100,
),
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 1),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
balance = user_balance(sql_session, user)
assert balance == 100 + 27
def test_user_balance_with_transfers(sql_session: Session) -> None:
user1, user2, _, product = insert_test_data(sql_session)
transactions = [
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user1.id,
amount=100,
),
Transaction.transfer(
time=datetime(2023, 10, 1, 10, 0, 1),
user_id=user1.id,
transfer_user_id=user2.id,
amount=50,
),
Transaction.transfer(
time=datetime(2023, 10, 1, 10, 0, 2),
user_id=user2.id,
transfer_user_id=user1.id,
amount=30,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user1))
user1_balance = user_balance(sql_session, user1)
assert user1_balance == 100 - 50 + 30
pprint(user_balance_log(sql_session, user2))
user2_balance = user_balance(sql_session, user2)
assert user2_balance == 50 - 30
@pytest.mark.skip(reason="Not yet implemented")
def test_user_balance_complex_history(sql_session: Session) -> None: ...
def test_user_balance_penalty(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
amount=-200,
),
# Penalized, pays 2x the price (default penalty)
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == 27 - 200 - (
27 * (DEFAULT_PENALTY_MULTIPLIER_PERCENTAGE // 100)
)
def test_user_balance_changing_penalty(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
amount=-200,
),
# Penalized, pays 2x the price (default penalty)
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
Transaction.adjust_penalty(
time=datetime(2023, 10, 1, 13, 0, 0),
user_id=user.id,
penalty_multiplier_percent=300,
penalty_threshold=-100,
),
# Penalized, pays 3x the price
Transaction.buy_product(
time=datetime(2023, 10, 1, 14, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == 27 - 200 - (
27 * (DEFAULT_PENALTY_MULTIPLIER_PERCENTAGE // 100)
) - (27 * 3)
def test_user_balance_interest(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
interest_rate_percent=110,
),
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == 27 - math.ceil(27 * 1.1)
def test_user_balance_changing_interest(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
interest_rate_percent=110,
),
# Pays 1.1x the price
Transaction.buy_product(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 13, 0, 0),
user_id=user.id,
interest_rate_percent=120,
),
# Pays 1.2x the price
Transaction.buy_product(
time=datetime(2023, 10, 1, 14, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == 27 * 3 - math.ceil(27 * 1.1) - math.ceil(27 * 1.2)
def test_user_balance_penalty_interest_combined(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27,
per_product=27,
product_count=1,
),
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 11, 0, 0),
user_id=user.id,
interest_rate_percent=110,
),
Transaction.adjust_balance(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
amount=-200,
),
# Penalized, pays 2x the price (default penalty)
# Pays 1.1x the price
Transaction.buy_product(
time=datetime(2023, 10, 1, 13, 0, 0),
user_id=user.id,
product_id=product.id,
product_count=1,
),
]
sql_session.add_all(transactions)
sql_session.commit()
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (
27 - 200 - math.ceil(27 * (DEFAULT_PENALTY_MULTIPLIER_PERCENTAGE // 100) * 1.1)
)
def test_user_balance_joint_transaction_single_user(sql_session: Session) -> None:
user, _, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
]
sql_session.add_all(transactions)
sql_session.commit()
joint_buy_product(
sql_session,
instigator=user,
users=[user],
product=product,
product_count=2,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (27 * 3) - (27 * 2)
def test_user_balance_joint_transactions_multiple_users(sql_session: Session) -> None:
user, user2, user3, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
]
sql_session.add_all(transactions)
sql_session.commit()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user2, user3],
product=product,
product_count=2,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (27 * 3) - math.ceil((27 * 2) / 3)
def test_user_balance_joint_transactions_multiple_times_self(sql_session: Session) -> None:
user, user2, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
]
sql_session.add_all(transactions)
sql_session.commit()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user, user2],
product=product,
product_count=2,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (27 * 3) - math.ceil((27 * 2) * (2 / 3))
def test_user_balance_joint_transactions_interest(sql_session: Session) -> None:
user, user2, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
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()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user2],
product=product,
product_count=2,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (27 * 3) - math.ceil(math.ceil(27 * 2 / 2) * 1.1)
def test_user_balance_joint_transactions_changing_interest(sql_session: Session) -> None:
user, user2, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 4,
per_product=27,
product_count=4,
),
# Pays 1.1x the price
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()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user2],
product=product,
product_count=2,
)
transactions = [
# Pays 1.2x the price
Transaction.adjust_interest(
time=datetime(2023, 10, 1, 12, 0, 0),
user_id=user.id,
interest_rate_percent=120,
)
]
sql_session.add_all(transactions)
sql_session.commit()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user2],
product=product,
product_count=1,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (
(27 * 4) - math.ceil(math.ceil(27 * 2 / 2) * 1.1) - math.ceil(math.ceil(27 * 1 / 2) * 1.2)
)
def test_user_balance_joint_transactions_penalty(sql_session: Session) -> None:
user, user2, _, product = insert_test_data(sql_session)
transactions = [
Transaction.add_product(
time=datetime(2023, 10, 1, 10, 0, 0),
user_id=user.id,
product_id=product.id,
amount=27 * 3,
per_product=27,
product_count=3,
),
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()
joint_buy_product(
sql_session,
instigator=user,
users=[user, user2],
product=product,
product_count=2,
)
pprint(user_balance_log(sql_session, user))
assert user_balance(sql_session, user) == (
(27 * 3)
- 200
- math.ceil(math.ceil(27 * 2 / 2) * (DEFAULT_PENALTY_MULTIPLIER_PERCENTAGE // 100))
)
@pytest.mark.skip(reason="Not yet implemented")
def test_user_balance_joint_transactions_changing_penalty(sql_session: Session) -> None: ...
@pytest.mark.skip(reason="Not yet implemented")
def test_user_balance_joint_transactions_penalty_interest_combined(
sql_session: Session,
) -> None: ...
@pytest.mark.skip(reason="Not yet implemented")
def test_user_balance_until(sql_session: Session) -> None: ...
@pytest.mark.skip(reason="Not yet implemented")
def test_user_balance_throw_away_products(sql_session: Session) -> None: ...