73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
import pytest
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from datetime import datetime
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from sqlalchemy.orm import Session
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from dibbler.models import Transaction, User
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from dibbler.queries.adjust_interest import adjust_interest
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from dibbler.queries.current_interest import current_interest
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def test_adjust_interest_no_history(sql_session: Session) -> None:
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user = User("Test User")
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sql_session.add(user)
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sql_session.commit()
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adjust_interest(
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sql_session,
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user_id=user.id,
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new_interest=3,
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message="Setting initial interest rate",
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)
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sql_session.commit()
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current_interest_rate = current_interest(sql_session)
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assert current_interest_rate == 3
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def test_adjust_interest_existing_history(sql_session: Session) -> None:
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user = User("Test User")
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sql_session.add(user)
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sql_session.commit()
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transactions = [
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Transaction.adjust_interest(
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time=datetime(2023, 10, 1, 9, 0, 0),
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user_id=user.id,
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interest_rate_percent=5,
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message="Initial interest rate",
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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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current_interest_rate = current_interest(sql_session)
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assert current_interest_rate == 5
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adjust_interest(
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sql_session,
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user_id=user.id,
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new_interest=2,
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message="Adjusting interest rate",
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)
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sql_session.commit()
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current_interest_rate = current_interest(sql_session)
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assert current_interest_rate == 2
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def test_adjust_interest_negative_failure(sql_session: Session) -> None:
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user = User("Test User")
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sql_session.add(user)
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sql_session.commit()
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with pytest.raises(ValueError, match="Interest rate cannot be negative"):
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adjust_interest(
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sql_session,
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user_id=user.id,
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new_interest=-1,
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message="Attempting to set negative interest rate",
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)
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