Assert_called_once_with potrebné skontrolovať, či inštancie v hovoru, sú s rovnakým info

0

Otázka

Snažím sa používať assert_called_once_with z unittest.mock https://docs.python.org/3/library/unittest.mock.html#unittest.mock.Mock.assert_called_once_with

Ale chcem skontrolovať, či 2 inštancií objektov boli prešiel s te správne atribúty.

Takže vo vnútri triedy I overrided na __eq__ func:

    def __eq__(self, other):
        return (
            self.id == other.id
            and self.users == other.users
        )

A v kóde som použil ako to

        mock_add_user.assert_called_once_with(context_fix, expected_user_obj1, expected_user_obj2, users)

Ale ja si stále chybu a teste udržuje porovnanie repr udalosti, ako je táto

<app.domain.model.load_md.Load object at 0x10cb7d7d0>
E           AssertionError: Expected call: add_user(<app.infrastructure.context.Context object at 0x10cb7da50>, <app.domain.model.load_md.Load object at 0x10cb7d7d0>, <app.domain.model.load_md.Load object at 0x10cb7d550>, [1, 2, 3, 2])
E           Actual call: add_user(<app.infrastructure.context.Context object at 0x10cb7da50>, <app.domain.model.load_md.Load object at 0x10ca7f5d0>, <app.domain.model.load_md.Load object at 0x10cd1e650>, [1, 2, 3, 2])

Som naozaj potrebovať spôsob, ako uplatniť, ak inštanciu objektu má byť odovzdané ako parameter funkcie správne atribúty vyplnená.

mocking pytest python python-unittest
2021-11-23 20:31:11
1

Najlepšiu odpoveď

0

Chcete použiť call_args atribút mock objektu:

from unittest.mock import ANY, Mock

class Foo:
    pass

def call(add_user):
    f = Foo()
    add_user(f)

def test_is_instance():
    mock_add_user = Mock()

    call(mock_add_user)

    # expected = Foo()
    # mock_add_user.assert_called_once_with(expected) # This would fail
    mock_add_user.assert_called_once_with(ANY)
    assert isinstance(mock_add_user.call_args.args[0], Foo)

Tu je to trochu zložitejšie napríklad s args a kwargs tvrdenia:

from unittest.mock import ANY, Mock

class Foo:
    pass

class Bar:
    pass

def call(add_user):
    f = Foo()
    b = Bar()
    add_user(f, bar=b)

def test_is_instance():
    mock_add_user = Mock()

    call(mock_add_user)

    mock_add_user.assert_called_once_with(ANY, bar=ANY)
    assert isinstance(mock_add_user.call_args.args[0], Foo)
    assert isinstance(mock_add_user.call_args.kwargs["bar"], Bar)
2021-11-26 15:33:54

V iných jazykoch

Táto stránka je v iných jazykoch

Русский
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................