tests/service/test_fraud_service.py

from src.service.fraud_service import check_for_fraud
from src.entity.transaction import Transaction

def test_check_for_fraud_valid(valid_transaction: Transaction):
    """
    Test the method check_for_fraud
    Case: valid transaction
    """
    is_fraud = check_for_fraud(valid_transaction)
    assert is_fraud is False

def test_check_for_fraud_invalid(fraudulent_transaction: Transaction):
    """
    Test the method check_for_fraud
    Case: invalid transaction
    """
    is_fraud = check_for_fraud(fraudulent_transaction)
    assert is_fraud is True