Created
January 19, 2021 19:43
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Checking arguments of called mocked objects
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# functions.py | |
class CustomPessoa: | |
def __init__(self, *args, **kwargs): | |
for (k, v) in kwargs.items(): | |
setattr(self, k, v) | |
def target_function(pessoa, outro_arg): | |
return | |
def caller(): | |
c = CustomPessoa(nome="Vinicius") | |
target_function(c, False) | |
return |
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# test_functions.py | |
# run it with: $ python -m unittest test_functions.py | |
import unittest | |
from unittest import mock | |
import functions | |
class TestFunctions(unittest.TestCase): | |
@mock.patch("functions.target_function") | |
def test_called(self, target_mocked): | |
functions.caller() | |
self.assertEqual(target_mocked.called, True) | |
@unittest.expectedFailure | |
@mock.patch("functions.target_function") | |
def test_called_with_fail(self, target_mocked): | |
functions.caller() | |
expected_pessoa = functions.CustomPessoa(nome="Vinicius") | |
target_mocked.assert_called_with(expected_pessoa) | |
# O teste falha porque o argumento passado para `target_function()` | |
# nao eh o mesmo objeto `expected_pessoa`, apesar do atributo `nome` | |
# ter o mesmo conteudo. | |
@mock.patch("functions.target_function") | |
def test_inspect_call_args_success(self, target_mocked): | |
expected_pessoa = functions.CustomPessoa(nome="Vinicius") | |
functions.caller() | |
(arg_pessoa, arg_outro_arg) = target_mocked.call_args[0] | |
self.assertEqual(arg_pessoa.nome, expected_pessoa.nome) |
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