def test_accumulate_errors(self):
with pytest.raises(Buzz) as err_info:
with Buzz.accumulate_errors('there will be errors') as checker:
checker += True
checker += False
checker += 1 == 2
checker += 'cooooooool'
checker += 0
err_msg = err_info.value.message
assert 'there will be errors' in err_msg
assert '`checker += True` resolved as false' not in err_msg
assert '`checker += False` resolved as false' in err_msg
assert '`checker += 1 == 2` resolved as false' in err_msg
assert '`checker += \'cooooooool\' resolved as false' not in err_msg
assert '`checker += 0` resolved as false' in err_msg
def check_number(n):
with Buzz.accumulate_errors("Some checks failed for {}", n) as acc:
acc += is_int(n)
acc += is_even(n)
acc += is_power_of_2(n)
acc += is_prime(n)