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"""Regression test for https://github.com/pylint-dev/pylint/issues/6531."""
# pylint: disable=missing-docstring, redefined-outer-name
import pytest
class Wallet:
def __init__(self):
self.balance = 0
def add_cash(self, earned):
self.balance += earned
def spend_cash(self, spent):
self.balance -= spent
@pytest.fixture
def my_wallet():
'''Returns a Wallet instance with a zero balance'''
return Wallet()
@pytest.mark.parametrize("earned,spent,expected", [
(30, 10, 20),
(20, 2, 18),
])
def test_transactions(my_wallet, earned, spent, expected):
my_wallet.add_cash(earned)
my_wallet.spend_cash(spent)
assert my_wallet.balance == expected
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