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"""
Tests the dynamic loading of all Django assertion cases.
"""
from __future__ import annotations
import inspect
import pytest
import pytest_django
from pytest_django.asserts import __all__ as asserts_all
def _get_actual_assertions_names() -> list[str]:
"""
Returns list with names of all assertion helpers in Django.
"""
from unittest import TestCase as DefaultTestCase
from django import VERSION
from django.test import TestCase as DjangoTestCase
if VERSION >= (5, 0):
from django.contrib.messages.test import MessagesTestMixin
class MessagesTestCase(MessagesTestMixin, DjangoTestCase):
pass
obj = MessagesTestCase("run")
else:
obj = DjangoTestCase("run")
def is_assert(func) -> bool:
return func.startswith("assert") and "_" not in func
base_methods = [
name for name, member in inspect.getmembers(DefaultTestCase) if is_assert(name)
]
return [
name
for name, member in inspect.getmembers(obj)
if is_assert(name) and name not in base_methods
]
def test_django_asserts_available() -> None:
django_assertions = _get_actual_assertions_names()
expected_assertions = asserts_all
assert set(django_assertions) == set(expected_assertions)
for name in expected_assertions:
assert hasattr(pytest_django.asserts, name)
@pytest.mark.django_db
def test_sanity() -> None:
from django.http import HttpResponse
from pytest_django.asserts import assertContains, assertNumQueries
response = HttpResponse("My response")
assertContains(response, "My response")
with pytest.raises(AssertionError):
assertContains(response, "Not my response")
assertNumQueries(0, lambda: 1 + 1)
with assertNumQueries(0):
pass
assert assertContains.__doc__
|
